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About Pipe and Fittings
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Measure your pipe and fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.
High-Pressure Stainless Steel Unthreaded Pipe Flanges
Forged Flanges
 |
Stub End with Straight Adapter (Front) |
 |  |  |
Butt Weld | Slip-On | Socket-Connect |
Forged flanges have better strength than cast flanges.
Butt-Weld Fitting Connection—Butt-weld flanges are also known as weld-neck flanges; the flange neck has a beveled end that, when flush to pipe, creates a trough for a strong weld.
Slip-on-Weld Fitting Connection—Slip-on weld flanges have no internal stop; slide a pipe through the flange and weld on both sides.
Stub-End Fitting Connection—Stub-end flanges are also known as lap-joint flanges. Use them with a stub-end straight adapter (not included). The stub-end straight adapter slides into the flange and welds to pipe (not the flange). Since the flange isn’t welded to the pipe, it can be disconnected easily for frequent cleaning and inspecting.
304/304L Stainless Steel—Flanges hold up in humid, damp, and washdown environments but will corrode if exposed to salt water or chemicals.
316/316L Stainless Steel—Flanges are the most corrosion resistant. They stand up to wet environments, just like 304 stainless steel flanges, but unlike 304 stainless steel, they will not corrode from salt water, chlorine solutions, and chemicals.
Pipe Size | Dash Size | Bolt Hole | 304/304L Stainless Steel | 316/316L Stainless Steel | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
(A) | (B) | (A) | (B) | Flanged Connection Surface (B) | Flange OD | For Bolt Dia. | Dia. | No. Of | Bolt Circle Dia. | Pressure Class | Max. Pressure @ Temp. | Max. Steam Pressure @ Temp. | Each | Each | ||||
Butt Weld | ||||||||||||||||||
| 1/2 | 1/2 | 08 | 08 | Raised | 3 3/4" | 1/2" | 0.62" | 4 | 2 5/8" | 600 | 1,200 psi @ 72° F | 825 psi @ 400° F | ——— | 0 | 1503N31 | 000000 | ||
| 1/2 | 1/2 | 08 | 08 | Raised | 3 3/4" | 1/2" | 0.625" | 4 | 2 5/8" | 300 | 600 psi @ 72° F | 415 psi @ 360° F | 4448T286 | 000000 | 4452T296 | 00000 | ||
| 3/4 | 3/4 | 12 | 12 | Raised | 4 5/8" | 5/8" | 0.75" | 4 | 3 1/4" | 300 | 600 psi @ 72° F | 415 psi @ 360° F | 4448T287 | 00000 | 4452T297 | 00000 | ||
| 1 | 1 | 16 | 16 | Raised | 4 7/8" | 5/8" | 0.75" | 4 | 3 1/2" | 300 | 600 psi @ 72° F | 415 psi @ 360° F | 4448T288 | 00000 | 4452T298 | 00000 | ||
| 1 | 1 | 16 | 16 | Raised | 4 7/8" | 5/8" | 0.75" | 4 | 3 1/2" | 600 | 1,200 psi @ 72° F | 825 psi @ 400° F | 1538N57 | 00000 | 1503N33 | 000000 | ||
| 1 1/4 | 1 1/4 | 20 | 20 | Raised | 5 1/4" | 5/8" | 0.75" | 4 | 3 7/8" | 300 | 600 psi @ 72° F | 415 psi @ 360° F | 4448T289 | 000000 | 4452T299 | 000000 | ||
| 1 1/2 | 1 1/2 | 24 | 24 | Raised | 6 1/8" | 3/4" | 0.875" | 4 | 4 1/2" | 300 | 600 psi @ 72° F | 415 psi @ 360° F | 4448T291 | 000000 | 4452T311 | 000000 | ||
| 1 1/2 | 1 1/2 | 24 | 24 | Raised | 6 1/8" | 3/4" | 0.875" | 4 | 4 1/2" | 600 | 1,200 psi @ 72° F | 825 psi @ 400° F | 1538N59 | 000000 | 1503N35 | 000000 | ||
| 2 | 2 | 32 | 32 | Raised | 6 1/2" | 5/8" | 0.75" | 8 | 5" | 300 | 600 psi @ 72° F | 415 psi @ 360° F | 4448T292 | 000000 | 4452T312 | 000000 | ||
| 2 | 2 | 32 | 32 | Raised | 6 1/2" | 5/8" | 0.75" | 8 | 5" | 600 | 1,200 psi @ 72° F | 825 psi @ 400° F | 1538N61 | 000000 | 1503N36 | 000000 | ||
| 2 1/2 | 2 1/2 | 40 | 40 | Raised | 7 1/2" | 3/4" | 0.875" | 8 | 5 7/8" | 300 | 600 psi @ 72° F | 415 psi @ 360° F | 4448T293 | 000000 | 4452T313 | 000000 | ||
| 3 | 3 | 48 | 48 | Raised | 8 1/4" | 3/4" | 0.875" | 8 | 6 5/8" | 300 | 600 psi @ 72° F | 415 psi @ 360° F | 4448T294 | 000000 | 4452T314 | 000000 | ||
| 3 | 3 | 48 | 48 | Raised | 8 1/4" | 3/4" | 0.88" | 8 | 6 5/8" | 600 | 1,200 psi @ 72° F | 825 psi @ 400° F | ——— | 0 | 1503N38 | 000000 | ||
| 4 | 4 | 64 | 64 | Raised | 10" | 3/4" | 0.875" | 8 | 7 7/8" | 300 | 600 psi @ 72° F | 415 psi @ 360° F | 4448T295 | 000000 | 4452T315 | 000000 | ||
| 4 | 4 | 64 | 64 | Raised | 10 3/4" | 7/8" | 1" | 8 | 8 1/2" | 600 | 1,200 psi @ 72° F | 825 psi @ 400° F | 1538N64 | 000000 | ——— | 0 | ||
| 6 | 6 | 96 | 96 | Raised | 12 1/2" | 3/4" | 0.875" | 12 | 10 5/8" | 300 | 600 psi @ 72° F | 415 psi @ 360° F | 4448T296 | 000000 | 4452T316 | 000000 | ||
Slip-On Weld Female | ||||||||||||||||||
| 1/2 | 1/2 | 08 | 08 | Raised | 3 3/4" | 1/2" | 0.625" | 4 | 2 5/8" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T251 | 00000 | 4452T261 | 00000 | ||
| 3/4 | 3/4 | 12 | 12 | Raised | 4 5/8" | 5/8" | 0.75" | 4 | 3 1/4" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T252 | 00000 | 4452T262 | 00000 | ||
| 3/4 | 3/4 | 12 | 12 | Raised | 4 5/8" | 5/8" | 0.75" | 4 | 3 1/4" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | ——— | 0 | 1503N12 | 00000 | ||
| 1 | 1 | 16 | 16 | Raised | 4 7/8" | 5/8" | 0.75" | 4 | 3 1/2" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T253 | 00000 | 4452T263 | 00000 | ||
| 1 | 1 | 16 | 16 | Raised | 4 7/8" | 5/8" | 0.75" | 4 | 3 1/2" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | 1538N17 | 00000 | 1503N13 | 00000 | ||
| 1 1/4 | 1 1/4 | 20 | 20 | Raised | 5 1/4" | 5/8" | 0.75" | 4 | 3 7/8" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T254 | 00000 | 4452T264 | 000000 | ||
| 1 1/2 | 1 1/2 | 24 | 24 | Raised | 6 1/8" | 3/4" | 0.875" | 4 | 4 1/2" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T255 | 000000 | 4452T265 | 000000 | ||
| 1 1/2 | 1 1/2 | 24 | 24 | Raised | 6 1/8" | 3/4" | 0.875" | 4 | 4 1/2" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | 1538N19 | 000000 | ——— | 0 | ||
| 2 | 2 | 32 | 32 | Raised | 6 1/2" | 5/8" | 0.75" | 8 | 5" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T256 | 000000 | 4452T266 | 000000 | ||
| 2 | 2 | 32 | 32 | Raised | 6 1/2" | 5/8" | 0.75" | 8 | 5" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | 1538N21 | 000000 | 1503N16 | 000000 | ||
| 2 1/2 | 2 1/2 | 40 | 40 | Raised | 7 1/2" | 3/4" | 0.875" | 8 | 5 7/8" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T257 | 000000 | 4452T267 | 000000 | ||
| 3 | 3 | 48 | 48 | Raised | 8 1/4" | 3/4" | 0.875" | 8 | 6 5/8" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T258 | 000000 | 4452T268 | 000000 | ||
| 3 | 3 | 48 | 48 | Raised | 8 1/4" | 3/4" | 0.88" | 8 | 6 5/8" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | 1538N23 | 000000 | ——— | 0 | ||
| 4 | 4 | 64 | 64 | Raised | 10" | 3/4" | 0.875" | 8 | 7 7/8" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T259 | 000000 | 4452T269 | 000000 | ||
| 4 | 4 | 64 | 64 | Raised | 10 3/4" | 7/8" | 1" | 8 | 8 1/2" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | 1538N24 | 000000 | ——— | 0 | ||
| 6 | 6 | 96 | 96 | Raised | 12 1/2" | 3/4" | 0.875" | 12 | 10 5/8" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T261 | 000000 | 4452T271 | 000000 | ||
| 8 | 8 | — | — | Raised | 15" | 7/8" | 1" | 12 | 13" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T43 | 000000 | ——— | 0 | ||
Socket-Connect Female | ||||||||||||||||||
| 1/2 | 1/2 | 08 | 08 | Raised | 3 3/4" | 1/2" | 0.62" | 4 | 2 5/8" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | ——— | 0 | 1503N21 | 00000 | ||
| 1/2 | 1/2 | 08 | 08 | Raised | 3 3/4" | 1/2" | 0.625" | 4 | 2 5/8" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T264 | 00000 | 4452T274 | 00000 | ||
| 3/4 | 3/4 | 12 | 12 | Raised | 4 5/8" | 5/8" | 0.75" | 4 | 3 1/4" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T265 | 00000 | 4452T275 | 00000 | ||
| 3/4 | 3/4 | 12 | 12 | Raised | 4 5/8" | 5/8" | 0.75" | 4 | 3 1/4" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | ——— | 0 | 1503N22 | 00000 | ||
| 1 | 1 | 16 | 16 | Raised | 4 7/8" | 5/8" | 0.75" | 4 | 3 1/2" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T266 | 00000 | 4452T276 | 00000 | ||
| 1 | 1 | 16 | 16 | Raised | 4 7/8" | 5/8" | 0.75" | 4 | 3 1/2" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | 1538N37 | 00000 | 1503N23 | 000000 | ||
| 1 1/4 | 1 1/4 | 20 | 20 | Raised | 5 1/4" | 5/8" | 0.75" | 4 | 3 7/8" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T267 | 000000 | 4452T277 | 000000 | ||
| 1 1/2 | 1 1/2 | 24 | 24 | Raised | 6 1/8" | 3/4" | 0.875" | 4 | 4 1/2" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T268 | 00000 | 4452T278 | 000000 | ||
| 1 1/2 | 1 1/2 | 24 | 24 | Raised | 6 1/8" | 3/4" | 0.875" | 4 | 4 1/2" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | 1538N39 | 000000 | 1503N25 | 000000 | ||
| 2 | 2 | 32 | 32 | Raised | 6 1/2" | 5/8" | 0.75" | 8 | 5" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T269 | 000000 | 4452T279 | 000000 | ||
| 2 | 2 | 32 | 32 | Raised | 6 1/2" | 5/8" | 0.75" | 8 | 5" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | 1538N41 | 000000 | 1503N26 | 000000 | ||
| 2 1/2 | 2 1/2 | 40 | 40 | Raised | 7 1/2" | 3/4" | 0.875" | 8 | 5 7/8" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T271 | 000000 | ——— | 0 | ||
| 3 | 3 | 48 | 48 | Raised | 8 1/4" | 3/4" | 0.875" | 8 | 6 5/8" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T272 | 000000 | 4452T282 | 000000 | ||
| 3 | 3 | 48 | 48 | Raised | 8 1/4" | 3/4" | 0.88" | 8 | 6 5/8" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | 1538N43 | 000000 | ——— | 0 | ||
| 4 | 4 | 64 | 64 | Raised | 10" | 3/4" | 0.875" | 8 | 7 7/8" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T273 | 000000 | 4452T283 | 000000 | ||
| 6 | 6 | 96 | 96 | Raised | 12 1/2" | 3/4" | 0.875" | 12 | 10 5/8" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T274 | 000000 | ——— | 0 | ||
Stub End | ||||||||||||||||||
| 3/4 | 3/4 | 12 | 12 | Flat | 4 5/8" | 5/8" | 0.75" | 4 | 3 1/4" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T298 | 00000 | ——— | 0 | ||
| 1 | 1 | 16 | 16 | Flat | 4 7/8" | 5/8" | 0.75" | 4 | 3 1/2" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T299 | 00000 | 4452T319 | 00000 | ||
| 1 | 1 | 16 | 16 | Flat | 4 7/8" | 5/8" | 0.75" | 4 | 3 1/2" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | 1538N77 | 00000 | ——— | 0 | ||
| 1 1/2 | 1 1/2 | 24 | 24 | Flat | 6 1/8" | 3/4" | 0.875" | 4 | 4 1/2" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T312 | 000000 | 4452T322 | 000000 | ||
| 2 | 2 | 32 | 32 | Flat | 6 1/2" | 5/8" | 0.75" | 8 | 5" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T313 | 000000 | 4452T323 | 000000 | ||
| 2 1/2 | 2 1/2 | 40 | 40 | Flat | 7 1/2" | 3/4" | 0.875" | 8 | 5 7/8" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T314 | 000000 | 4452T324 | 000000 | ||
| 3 | 3 | 48 | 48 | Flat | 8 1/4" | 3/4" | 0.875" | 8 | 6 5/8" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T315 | 000000 | 4452T325 | 000000 | ||
| 4 | 4 | 64 | 64 | Flat | 10" | 3/4" | 0.875" | 8 | 7 7/8" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T262 | 000000 | ——— | 0 | ||
| 4 | 4 | 64 | 64 | Flat | 10 3/4" | 7/8" | 1" | 8 | 8 1/2" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | 1538N84 | 000000 | ——— | 0 | ||
| 6 | 6 | 96 | 96 | Flat | 12 1/2" | 3/4" | 0.875" | 12 | 10 5/8" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T263 | 000000 | ——— | 0 | ||
Forged Blind Flanges
 |  |
Front | Raised Surface on Back |
Forged flanges have better strength than cast flanges.
304/304L Stainless Steel—Flanges hold up in humid, damp, and washdown environments but will corrode if exposed to salt water or chemicals.
316/316L Stainless Steel—Flanges are the most corrosion resistant. They stand up to wet environments, just like 304 stainless steel flanges, but unlike 304 stainless steel, they will not corrode from salt water, chlorine solutions, and chemicals.
Bolt Hole | 304/304L Stainless Steel | 316/316L Stainless Steel | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Pipe Size | Dash Size | Flanged Connection Surface | Flange OD | For Bolt Dia. | Dia. | No. Of | Bolt Circle Dia. | Pressure Class | Max. Pressure @ Temp. | Max. Steam Pressure @ Temp. | Each | Each | ||||
Flanged | ||||||||||||||||
| 1/2 | 08 | Raised | 3 3/4" | 1/2" | 0.62" | 4 | 2 5/8" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | 1538N91 | 000000 | 1503N51 | 000000 | ||
| 1/2 | 08 | Raised | 3 3/4" | 1/2" | 0.625" | 4 | 2 5/8" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T275 | 00000 | 4452T285 | 00000 | ||
| 3/4 | 12 | Raised | 4 5/8" | 5/8" | 0.75" | 4 | 3 1/4" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T276 | 00000 | 4452T286 | 00000 | ||
| 3/4 | 12 | Raised | 4 5/8" | 5/8" | 0.75" | 4 | 3 1/4" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | 1538N92 | 00000 | ——— | 0 | ||
| 1 | 16 | Raised | 4 7/8" | 5/8" | 0.75" | 4 | 3 1/2" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T277 | 00000 | 4452T287 | 00000 | ||
| 1 | 16 | Raised | 4 7/8" | 5/8" | 0.75" | 4 | 3 1/2" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | 1538N93 | 00000 | 1503N53 | 000000 | ||
| 1 1/4 | 20 | Raised | 5 1/4" | 5/8" | 0.75" | 4 | 3 7/8" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T278 | 00000 | 4452T288 | 000000 | ||
| 1 1/4 | 20 | Raised | 5 1/4" | 5/8" | 0.75" | 4 | 3 7/8" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | 1538N94 | 000000 | ——— | 0 | ||
| 1 1/2 | 24 | Raised | 6 1/8" | 3/4" | 0.875" | 4 | 4 1/2" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T279 | 000000 | 4452T289 | 000000 | ||
| 1 1/2 | 24 | Raised | 6 1/8" | 3/4" | 0.875" | 4 | 4 1/2" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | 1538N95 | 000000 | 1503N55 | 000000 | ||
| 2 | 32 | Raised | 6 1/2" | 5/8" | 0.75" | 8 | 5" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T281 | 000000 | 4452T291 | 000000 | ||
| 2 | 32 | Raised | 6 1/2" | 5/8" | 0.75" | 8 | 5" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | 1538N96 | 000000 | 1503N56 | 000000 | ||
| 2 1/2 | 40 | Raised | 7 1/2" | 3/4" | 0.875" | 8 | 5 7/8" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T282 | 000000 | 4452T292 | 000000 | ||
| 2 1/2 | 40 | Raised | 7 1/2" | 3/4" | 0.88" | 8 | 5 7/8" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | 1538N97 | 000000 | 1503N57 | 000000 | ||
| 3 | 48 | Raised | 8 1/4" | 3/4" | 0.875" | 8 | 6 5/8" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T283 | 000000 | 4452T293 | 000000 | ||
| 3 | 48 | Raised | 8 1/4" | 3/4" | 0.88" | 8 | 6 5/8" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | 1538N98 | 000000 | 1503N58 | 000000 | ||
| 4 | 64 | Raised | 10" | 3/4" | 0.875" | 8 | 7 7/8" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T284 | 000000 | 4452T294 | 000000 | ||
| 4 | 64 | Raised | 10 3/4" | 7/8" | 1" | 8 | 8 1/2" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | 1538N99 | 000000 | 1503N59 | 000000 | ||
| 6 | 96 | Raised | 12 1/2" | 3/4" | 0.875" | 12 | 10 5/8" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T285 | 000000 | 4452T295 | 000000 | ||
| 8 | — | Raised | 15" | 7/8" | 1" | 12 | 13" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T48 | 000000 | 4452T116 | 000000 | ||
| 10 | — | Raised | 17 1/2" | 1" | 1.12" | 16 | 15 1/4" | 300 | 600 psi @ 72° F | 300 psi @ 360° F | 4448T49 | 000000 | ——— | 0 | ||
Stub-End Straight Adapters
 |
Straight Adapter |
304/304L Stainless Steel | 316/316L Stainless Steel | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Pipe Size | Wall Thk. | Flange OD | Construction | Pipe Schedule | Each | Each | |||
| 3/4 | 0.113" | 1 11/16" | Welded | 40 | 45605K652 | 000000 | ——— | 0 | |
| 1 | 0.133" | 2" | Welded | 40 | 45605K653 | 00000 | 45555K653 | 000000 | |
| 1 1/2 | 0.145" | 2 7/8" | Welded | 40 | 45605K655 | 00000 | 45555K655 | 00000 | |
| 2 | 0.154" | 3 5/8" | Welded | 40 | 45605K656 | 00000 | 45555K656 | 00000 | |
| 2 1/2 | 0.203" | 4 1/8" | Welded | 40 | 45605K657 | 00000 | 45555K657 | 00000 | |
| 3 | 0.216" | 5" | Welded | 40 | 45605K661 | 00000 | 45555K661 | 00000 | |
| 4 | 0.237" | 6 3/16" | Welded | 40 | 45605K663 | 00000 | ——— | 0 | |
| 6 | 0.28" | 8 1/2" | Welded | 40 | 45605K665 | 000000 | ——— | 0 | |
High-Pressure Iron and Steel Unthreaded Pipe Flanges
Forged Flanges
 |  |  |  |
Butt Weld (Front) | Butt Weld (Raised Surface on Back) | Slip-On Weld (Front) | Slip-On Weld (Raised Surface on Back) |
 |  |  |  |
Socket Connect (Front) | Socket-Connect (Raised Surface on Back) | Stub-End (Front) | Stub-End (Flat Surface on Back) |
Pipe Size | Dash Size | Bolt Hole | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
(A) | (B) | (A) | (B) | Flanged Connection Surface (B) | Flange OD | For Bolt Dia. | Dia. | No. Of | Bolt Circle Dia. | Pressure Class | Material | Max. Pressure @ Temp. | Max. Steam Pressure @ Temp. | Each | |||
Butt Weld | |||||||||||||||||
| 1/2 | 1/2 | 08 | 08 | Raised | 3 3/4" | 1/2" | 5/8" | 4 | 2 5/8" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K346 | 000000 | ||
| 3/4 | 3/4 | 12 | 12 | Raised | 4 5/8" | 5/8" | 3/4" | 4 | 3 1/4" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K297 | 00000 | ||
| 1 | 1 | 16 | 16 | Raised | 4 7/8" | 5/8" | 3/4" | 4 | 3 1/2" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K298 | 00000 | ||
| 1 | 1 | 16 | 16 | Raised | 4.88" | 3/4" | 3/4" | 4 | 3 1/2" | 600 | Steel | 1,400 psi @ 72° F | 1,300 psi @ 300° F | 6806K448 | 00000 | ||
| 1 1/4 | 1 1/4 | 20 | 20 | Raised | 5 1/4" | 5/8" | 3/4" | 4 | 3 7/8" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K299 | 00000 | ||
| 1 1/2 | 1 1/2 | 24 | 24 | Raised | 6 1/8" | 3/4" | 7/8" | 4 | 4 1/2" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K311 | 00000 | ||
| 2 | 2 | 32 | 32 | Raised | 6 1/2" | 5/8" | 3/4" | 8 | 5" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K312 | 00000 | ||
| 2 | 2 | 32 | 32 | Raised | 6 1/2" | 3/4" | 3/4" | 8 | 5" | 600 | Steel | 1,400 psi @ 72° F | 1,300 psi @ 300° F | 6806K451 | 00000 | ||
| 2 1/2 | 2 1/2 | 40 | 40 | Raised | 7 1/2" | 3/4" | 7/8" | 8 | 5 7/8" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K313 | 00000 | ||
| 3 | 3 | 48 | 48 | Raised | 8 1/4" | 3/4" | 7/8" | 8 | 6 5/8" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K314 | 00000 | ||
| 3 | 3 | 48 | 48 | Raised | 8 1/4" | 0.88" | 0.88" | 8 | 6.62" | 600 | Steel | 1,400 psi @ 72° F | 1,300 psi @ 300° F | 6806K452 | 00000 | ||
| 4 | 4 | 64 | 64 | Raised | 10" | 3/4" | 7/8" | 8 | 7 7/8" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K315 | 00000 | ||
| 4 | 4 | 64 | 64 | Raised | 10 3/4" | 1" | 1" | 8 | 8 1/2" | 600 | Steel | 1,400 psi @ 72° F | 1,300 psi @ 300° F | 6806K453 | 000000 | ||
| 5 | 5 | — | — | Raised | 11" | 3/4" | 7/8" | 8 | 9 1/4" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K344 | 000000 | ||
| 6 | 6 | 96 | 96 | Raised | 12 1/2" | 3/4" | 7/8" | 12 | 10 5/8" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K316 | 000000 | ||
| 8 | 8 | — | — | Raised | 15" | 7/8" | 1" | 12 | 13" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K345 | 000000 | ||
Slip-On Weld Female | |||||||||||||||||
| 1/2 | 1/2 | 08 | 08 | Raised | 3 3/4" | 1/2" | 5/8" | 4 | 2 5/8" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K339 | 00000 | ||
| 3/4 | 3/4 | 12 | 12 | Raised | 4 5/8" | 5/8" | 3/4" | 4 | 3 1/4" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K277 | 00000 | ||
| 1 | 1 | 16 | 16 | Raised | 4 7/8" | 5/8" | 3/4" | 4 | 3 1/2" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K278 | 00000 | ||
| 1 | 1 | 16 | 16 | Raised | 4.88" | 3/4" | 3/4" | 4 | 3 1/2" | 600 | Steel | 1,400 psi @ 72° F | 1,300 psi @ 300° F | 6806K435 | 00000 | ||
| 1 1/4 | 1 1/4 | 20 | 20 | Raised | 5 1/4" | 5/8" | 3/4" | 4 | 3 7/8" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K279 | 00000 | ||
| 1 1/2 | 1 1/2 | 24 | 24 | Raised | 6.12" | 0.88" | 0.88" | 4 | 4 1/2" | 600 | Steel | 1,400 psi @ 72° F | 1,300 psi @ 300° F | 6806K436 | 00000 | ||
| 1 1/2 | 1 1/2 | 24 | 24 | Raised | 6 1/8" | 3/4" | 7/8" | 4 | 4 1/2" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K281 | 00000 | ||
| 2 | 2 | 32 | 32 | Raised | 6 1/2" | 5/8" | 3/4" | 8 | 5" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K282 | 00000 | ||
| 2 | 2 | 32 | 32 | Raised | 6 1/2" | 3/4" | 3/4" | 8 | 5" | 600 | Steel | 1,400 psi @ 72° F | 1,300 psi @ 300° F | 6806K437 | 00000 | ||
| 2 1/2 | 2 1/2 | 40 | 40 | Raised | 7 1/2" | 3/4" | 7/8" | 8 | 5 7/8" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K283 | 00000 | ||
| 3 | 3 | 48 | 48 | Raised | 8 1/4" | 3/4" | 7/8" | 8 | 6 5/8" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K284 | 00000 | ||
| 3 | 3 | 48 | 48 | Raised | 8 1/4" | 0.88" | 0.88" | 8 | 6.62" | 600 | Steel | 1,400 psi @ 72° F | 1,300 psi @ 300° F | 6806K438 | 00000 | ||
| 4 | 4 | 64 | 64 | Raised | 10" | 3/4" | 7/8" | 8 | 7 7/8" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K285 | 00000 | ||
| 4 | 4 | 64 | 64 | Raised | 10 3/4" | 1" | 1" | 8 | 8 1/2" | 600 | Steel | 1,400 psi @ 72° F | 1,300 psi @ 300° F | 6806K439 | 000000 | ||
| 5 | 5 | — | — | Raised | 11" | 3/4" | 7/8" | 8 | 9 1/4" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K337 | 000000 | ||
| 6 | 6 | 96 | 96 | Raised | 12 1/2" | 3/4" | 7/8" | 12 | 10 5/8" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K286 | 000000 | ||
| 6 | 6 | 96 | 96 | Raised | 14" | 1.12" | 1.12" | 12 | 11 1/2" | 600 | Steel | 1,400 psi @ 72° F | 1,300 psi @ 300° F | 6806K441 | 000000 | ||
| 8 | 8 | — | — | Raised | 15" | 7/8" | 1" | 12 | 13" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K338 | 000000 | ||
| 10 | 10 | — | — | Raised | 17 1/2" | 1.12" | 1.12" | 16 | 15 1/4" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K413 | 000000 | ||
| 12 | 12 | — | — | Raised | 20 1/2" | 1 1/4" | 1 1/4" | 16 | 17 3/4" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K414 | 000000 | ||
Socket-Connect Female | |||||||||||||||||
| 1/2 | 1/2 | 08 | 08 | Raised | 3 3/4" | 1/2" | 5/8" | 4 | 2 5/8" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K343 | 00000 | ||
| 3/4 | 3/4 | 12 | 12 | Raised | 4 5/8" | 5/8" | 3/4" | 4 | 3 1/4" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K287 | 00000 | ||
| 1 | 1 | 16 | 16 | Raised | 4 7/8" | 5/8" | 3/4" | 4 | 3 1/2" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K288 | 00000 | ||
| 1 | 1 | 16 | 16 | Raised | 4.88" | 3/4" | 3/4" | 4 | 3 1/2" | 600 | Steel | 1,400 psi @ 72° F | 1,300 psi @ 300° F | 6806K428 | 00000 | ||
| 1 1/4 | 1 1/4 | 20 | 20 | Raised | 5 1/4" | 5/8" | 3/4" | 4 | 3 7/8" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K289 | 00000 | ||
| 1 1/2 | 1 1/2 | 24 | 24 | Raised | 6.12" | 0.88" | 0.88" | 4 | 4 1/2" | 600 | Steel | 1,400 psi @ 72° F | 1,300 psi @ 300° F | 6806K429 | 00000 | ||
| 1 1/2 | 1 1/2 | 24 | 24 | Raised | 6 1/8" | 3/4" | 7/8" | 4 | 4 1/2" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K291 | 00000 | ||
| 2 | 2 | 32 | 32 | Raised | 6 1/2" | 5/8" | 3/4" | 8 | 5" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K292 | 00000 | ||
| 2 | 2 | 32 | 32 | Raised | 6 1/2" | 3/4" | 3/4" | 8 | 5" | 600 | Steel | 1,400 psi @ 72° F | 1,300 psi @ 300° F | 6806K431 | 00000 | ||
| 2 1/2 | 2 1/2 | 40 | 40 | Raised | 7 1/2" | 3/4" | 7/8" | 8 | 5 7/8" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K293 | 00000 | ||
| 3 | 3 | 48 | 48 | Raised | 8 1/4" | 3/4" | 7/8" | 8 | 6 5/8" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K294 | 00000 | ||
| 3 | 3 | 48 | 48 | Raised | 8 1/4" | 0.88" | 0.88" | 8 | 6.62" | 600 | Steel | 1,400 psi @ 72° F | 1,300 psi @ 300° F | 6806K432 | 00000 | ||
| 4 | 4 | 64 | 64 | Raised | 10" | 3/4" | 7/8" | 8 | 7 7/8" | 300 | Steel | Not Rated | Not Rated | 6806K295 | 000000 | ||
| 4 | 4 | 64 | 64 | Raised | 10 3/4" | 1" | 1" | 8 | 8 1/2" | 600 | Steel | Not Rated | Not Rated | 6806K433 | 000000 | ||
| 5 | 5 | — | — | Raised | 11" | 3/4" | 7/8" | 8 | 9 1/4" | 300 | Steel | Not Rated | Not Rated | 6806K341 | 000000 | ||
| 6 | 6 | 96 | 96 | Raised | 12 1/2" | 3/4" | 7/8" | 12 | 10 5/8" | 300 | Steel | Not Rated | Not Rated | 6806K296 | 000000 | ||
| 8 | 8 | — | — | Raised | 15" | 7/8" | 1" | 12 | 13" | 300 | Steel | Not Rated | Not Rated | 6806K342 | 000000 | ||
Stub-End Female | |||||||||||||||||
| 1/2 | 1/2 | 08 | 08 | Flat | 3 3/4" | 1/2" | 5/8" | 4 | 2 5/8" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K353 | 00000 | ||
| 3/4 | 3/4 | 12 | 12 | Flat | 4 5/8" | 5/8" | 3/4" | 4 | 3 1/4" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K327 | 00000 | ||
| 1 | 1 | 16 | 16 | Flat | 4 7/8" | 5/8" | 3/4" | 4 | 3 1/2" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K328 | 00000 | ||
| 1 1/4 | 1 1/4 | 20 | 20 | Flat | 5 1/4" | 5/8" | 3/4" | 4 | 3 7/8" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K329 | 00000 | ||
| 1 1/2 | 1 1/2 | 24 | 24 | Flat | 6 1/8" | 3/4" | 7/8" | 4 | 4 1/2" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K331 | 00000 | ||
| 2 | 2 | 32 | 32 | Flat | 6 1/2" | 5/8" | 3/4" | 8 | 5" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K332 | 00000 | ||
| 2 1/2 | 2 1/2 | 40 | 40 | Flat | 7 1/2" | 3/4" | 7/8" | 8 | 5 7/8" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K333 | 00000 | ||
| 3 | 3 | 48 | 48 | Flat | 8 1/4" | 3/4" | 7/8" | 8 | 6 5/8" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K334 | 00000 | ||
| 4 | 4 | 64 | 64 | Flat | 10" | 3/4" | 7/8" | 8 | 7 7/8" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K335 | 00000 | ||
| 5 | 5 | — | — | Flat | 11" | 3/4" | 7/8" | 8 | 9 1/4" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K351 | 000000 | ||
| 6 | 6 | 96 | 96 | Flat | 12 1/2" | 3/4" | 7/8" | 12 | 10 5/8" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K336 | 000000 | ||
| 8 | 8 | — | — | Flat | 15" | 7/8" | 1" | 12 | 13" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K352 | 000000 | ||
Forged Blind Flanges
 |  |
Front | Raised Surface on Back |
Bolt Hole | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Pipe Size | Dash Size | Flanged Connection Surface | Flange OD | For Bolt Dia. | Dia. | No. Of | Bolt Circle Dia. | Pressure Class | Material | Max. Pressure @ Temp. | Max. Steam Pressure @ Temp. | Each | |||
Flanged | |||||||||||||||
| 1/2 | 08 | Raised | 3 3/4" | 1/2" | 5/8" | 4 | 2 5/8" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K349 | 000000 | ||
| 3/4 | 12 | Raised | 4 5/8" | 5/8" | 3/4" | 4 | 3 1/4" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K317 | 00000 | ||
| 1 | 16 | Raised | 4 7/8" | 5/8" | 3/4" | 4 | 3 1/2" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K318 | 00000 | ||
| 1 | 16 | Raised | 4.88" | 3/4" | 3/4" | 4 | 3 1/2" | 600 | Steel | 1,400 psi @ 72° F | 1,300 psi @ 300° F | 6806K455 | 00000 | ||
| 1 1/4 | 20 | Raised | 5 1/4" | 5/8" | 3/4" | 4 | 3 7/8" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K319 | 00000 | ||
| 1 1/2 | 24 | Raised | 6.12" | 0.88" | 0.88" | 4 | 4 1/2" | 600 | Steel | 1,400 psi @ 72° F | 1,300 psi @ 300° F | 6806K456 | 00000 | ||
| 1 1/2 | 24 | Raised | 6 1/8" | 3/4" | 7/8" | 4 | 4 1/2" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K321 | 00000 | ||
| 2 | 32 | Raised | 6 1/2" | 5/8" | 3/4" | 8 | 5" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K322 | 00000 | ||
| 2 | 32 | Raised | 6 1/2" | 3/4" | 3/4" | 8 | 5" | 600 | Steel | 1,400 psi @ 72° F | 1,300 psi @ 300° F | 6806K457 | 00000 | ||
| 2 1/2 | 40 | Raised | 7 1/2" | 3/4" | 7/8" | 8 | 5 7/8" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K323 | 00000 | ||
| 3 | 48 | Raised | 8 1/4" | 3/4" | 7/8" | 8 | 6 5/8" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K324 | 00000 | ||
| 3 | 48 | Raised | 8 1/4" | 0.88" | 0.88" | 8 | 6.62" | 600 | Steel | 1,400 psi @ 72° F | 1,300 psi @ 300° F | 6806K458 | 00000 | ||
| 4 | 64 | Raised | 10" | 3/4" | 7/8" | 8 | 7 7/8" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K325 | 00000 | ||
| 4 | 64 | Raised | 10 3/4" | 1" | 1" | 8 | 8 1/2" | 600 | Steel | 1,400 psi @ 72° F | 1,300 psi @ 300° F | 6806K459 | 000000 | ||
| 5 | — | Raised | 11" | 3/4" | 7/8" | 8 | 9 1/4" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K347 | 000000 | ||
| 6 | 96 | Raised | 12 1/2" | 3/4" | 7/8" | 12 | 10 5/8" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K326 | 000000 | ||
| 6 | 96 | Raised | 14" | 1.12" | 1.12" | 12 | 11 1/2" | 600 | Steel | 1,400 psi @ 72° F | 1,300 psi @ 300° F | 6806K461 | 000000 | ||
| 8 | — | Raised | 15" | 7/8" | 1" | 12 | 13" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K348 | 000000 | ||
| 10 | — | Raised | 17 1/2" | 1.12" | 1.12" | 16 | 15 1/4" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K419 | 000000 | ||
| 12 | — | Raised | 20 1/2" | 1 1/4" | 1 1/4" | 16 | 17 3/4" | 300 | Steel | 600 psi @ 72° F | 300 psi @ 300° F | 6806K421 | 000000 | ||
Stub-End Straight Adapters
 |
Straight Adapter |
Pipe Size | Flange OD | Construction | Pipe Schedule | Finished Material | Each | ||
|---|---|---|---|---|---|---|---|
| 1/2 | 1 3/8" | Seamless | 80 | Steel | 4981T211 | 000000 | |
| 3/4 | 1 1/16" | Seamless | 80 | Steel | 4981T221 | 00000 | |
| 1 | 2" | Seamless | 80 | Steel | 4981T231 | 00000 | |
| 1 1/4 | 2 1/2" | Seamless | 80 | Steel | 4981T241 | 000000 | |
| 1 1/2 | 2 7/8" | Seamless | 80 | Steel | 4981T251 | 000000 | |
| 2 | 3 5/8" | Seamless | 80 | Steel | 4981T261 | 000000 | |
| 2 1/2 | 4 1/8" | Seamless | 80 | Steel | 4981T271 | 000000 | |
| 3 | 5" | Seamless | 80 | Steel | 4981T281 | 000000 | |
| 4 | 6 3/16" | Seamless | 80 | Steel | 4981T291 | 000000 | |
| 5 | 7 5/16" | Seamless | 80 | Steel | 4981T311 | 000000 | |
| 6 | 8 1/2" | Seamless | 80 | Steel | 4981T321 | 000000 | |
| 8 | 10 5/8" | Seamless | 80 | Steel | 4981T322 | 000000 |
Extreme-Pressure Iron and Steel Threaded Pipe Flanges
Forged Flanges
 |  |
Front | Raised Surface on Back |
Pipe Size | Dash Size | Bolt Hole | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
(A) | (B) | (A) | (B) | Flanged Connection Surface (B) | Flange OD | For Bolt Dia. | Dia. | No. Of | Bolt Circle Dia. | Pressure Class | Material | Max. Pressure @ Temp. | Max. Steam Pressure @ Temp. | Each | |||
NPT Female | |||||||||||||||||
| 1/2 | 1/2 | 08 | 08 | Raised | 4 3/4" | 3/4" | 7/8" | 4 | 3 1/4" | 1500 | Steel | 3,700 psi @ 72° F | 3,200 psi @ 300° F | 1153T41 | 0000000 | ||
| 3/4 | 3/4 | 12 | 12 | Raised | 5 1/8" | 3/4" | 7/8" | 4 | 3 1/2" | 1500 | Steel | 3,700 psi @ 72° F | 3,200 psi @ 300° F | 1153T42 | 000000 | ||
| 1 | 1 | 16 | 16 | Raised | 5 7/8" | 7/8" | 1" | 4 | 4" | 1500 | Steel | 3,700 psi @ 72° F | 3,200 psi @ 300° F | 1153T43 | 000000 | ||
| 1 1/4 | 1 1/4 | 20 | 20 | Raised | 6 1/4" | 7/8" | 1" | 4 | 4 3/8" | 1500 | Steel | 3,700 psi @ 72° F | 3,200 psi @ 300° F | 1153T44 | 000000 | ||
| 1 1/2 | 1 1/2 | 24 | 24 | Raised | 7" | 1" | 1 1/8" | 4 | 4 7/8" | 1500 | Steel | 3,700 psi @ 72° F | 3,200 psi @ 300° F | 1153T45 | 000000 | ||
| 2 | 2 | 32 | 32 | Raised | 8 1/2" | 7/8" | 1" | 8 | 6 1/2" | 1500 | Steel | 3,700 psi @ 72° F | 3,200 psi @ 300° F | 1153T46 | 000000 | ||
| 3 | 3 | 48 | 48 | Raised | 10 1/2" | 1 1/4" | 1 1/4" | 8 | 8" | 1500 | Steel | Not Rated | Not Rated | 1153T47 | 000000 | ||
| 4 | 4 | 64 | 64 | Raised | 12 1/4" | 1.38" | 1.38" | 8 | 9 1/2" | 1500 | Steel | Not Rated | Not Rated | 1153T48 | 000000 | ||
High-Pressure Stainless Steel Threaded Pipe Flanges
Forged Flanges
 |  |
Front | Raised Surface on Back |
Forged flanges have better strength than cast flanges.
304/304L Stainless Steel—Flanges hold up in humid, damp, and washdown environments but will corrode if exposed to salt water or chemicals.
316/316L Stainless Steel—Flanges are the most corrosion resistant. They stand up to wet environments, just like 304 stainless steel flanges, but unlike 304 stainless steel, they will not corrode from salt water, chlorine solutions, and chemicals.
Pipe Size | Dash Size | Bolt Hole | 304/304L Stainless Steel | 316/316L Stainless Steel | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
(A) | (B) | (A) | (B) | Flanged Connection Surface (B) | Flange OD | For Bolt Dia. | Dia. | No. Of | Bolt Circle Dia. | Pressure Class | Max. Pressure @ Temp. | Max. Steam Pressure @ Temp. | Each | Each | ||||
NPT Female | ||||||||||||||||||
| 1/2 | 1/2 | 08 | 08 | Raised | 3 3/4" | 1/2" | 0.62" | 4 | 2 5/8" | 300 | 600 psi @ 72° F | 300 psi @ 300° F | 7977K11 | 000000 | 7469T31 | 000000 | ||
| 1/2 | 1/2 | 08 | 08 | Raised | 3 3/4" | 1/2" | 0.62" | 4 | 2 5/8" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | 1441N25 | 00000 | 1501N21 | 00000 | ||
| 3/4 | 3/4 | 12 | 12 | Raised | 4 5/8" | 5/8" | 0.75" | 4 | 3 1/4" | 300 | 600 psi @ 72° F | 300 psi @ 300° F | 7977K12 | 00000 | 7469T32 | 00000 | ||
| 3/4 | 3/4 | 12 | 12 | Raised | 4 5/8" | 5/8" | 0.75" | 4 | 3 1/4" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | 1441N26 | 00000 | 1501N22 | 000000 | ||
| 1 | 1 | 16 | 16 | Raised | 4 7/8" | 5/8" | 0.75" | 4 | 3 1/2" | 300 | 600 psi @ 72° F | 300 psi @ 300° F | 7977K13 | 00000 | 7469T33 | 00000 | ||
| 1 | 1 | 16 | 16 | Raised | 4 7/8" | 5/8" | 0.75" | 4 | 3 1/2" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | 1441N27 | 000000 | 1501N23 | 000000 | ||
| 1 1/4 | 1 1/4 | 20 | 20 | Raised | 5 1/4" | 5/8" | 0.75" | 4 | 3 7/8" | 300 | 600 psi @ 72° F | 300 psi @ 300° F | 7977K14 | 00000 | 7469T34 | 000000 | ||
| 1 1/4 | 1 1/4 | 20 | 20 | Raised | 5 1/4" | 5/8" | 0.75" | 4 | 3 7/8" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | 1441N28 | 000000 | 1501N24 | 000000 | ||
| 1 1/2 | 1 1/2 | 24 | 24 | Raised | 6 1/8" | 3/4" | 0.88" | 4 | 4 1/2" | 300 | 600 psi @ 72° F | 300 psi @ 300° F | 7977K15 | 00000 | 7469T35 | 000000 | ||
| 1 1/2 | 1 1/2 | 24 | 24 | Raised | 6 1/8" | 3/4" | 0.88" | 4 | 4 1/2" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | 1441N29 | 000000 | 1501N25 | 000000 | ||
| 2 | 2 | 32 | 32 | Raised | 6 1/2" | 5/8" | 0.75" | 8 | 5" | 300 | 600 psi @ 72° F | 300 psi @ 300° F | 7977K16 | 00000 | 7469T36 | 000000 | ||
| 2 | 2 | 32 | 32 | Raised | 6 1/2" | 5/8" | 0.75" | 8 | 5" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | 1441N31 | 000000 | 1501N26 | 000000 | ||
| 2 1/2 | 2 1/2 | 40 | 40 | Raised | 7 1/2" | 3/4" | 0.88" | 8 | 5 7/8" | 300 | 600 psi @ 72° F | 300 psi @ 300° F | 7977K17 | 000000 | 7469T37 | 000000 | ||
| 2 1/2 | 2 1/2 | 40 | 40 | Raised | 7 1/2" | 3/4" | 0.88" | 8 | 5 7/8" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | 1441N32 | 000000 | ——— | 0 | ||
| 3 | 3 | 48 | 48 | Raised | 8 1/4" | 3/4" | 0.88" | 8 | 6 5/8" | 300 | 600 psi @ 72° F | 300 psi @ 300° F | 7977K18 | 000000 | 7469T38 | 000000 | ||
| 3 | 3 | 48 | 48 | Raised | 8 1/4" | 3/4" | 0.88" | 8 | 6 5/8" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | 1441N33 | 000000 | 1501N28 | 000000 | ||
| 4 | 4 | 64 | 64 | Raised | 10" | 3/4" | 0.875" | 8 | 7 7/8" | 300 | 600 psi @ 72° F | 300 psi @ 300° F | 7977K19 | 000000 | 7469T39 | 000000 | ||
| 4 | 4 | 64 | 64 | Raised | 10 3/4" | 7/8" | 1" | 8 | 8 1/2" | 600 | 1,200 psi @ 72° F | 840 psi @ 400° F | 1441N34 | 000000 | ——— | 0 | ||
SAE High-Pressure Iron and Steel Unthreaded Pipe Flanges
Machined Flanges
 |  |
Front | Back (O-Ring Groove) |
Dash Size | Bolt Hole | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Pipe Size (A) | SAE Pipe Flange Size (B) | (A) | (B) | Flanged Connection Surface (B) | For Bolt Dia. | Dia. | No. Of | Material | Max. Pressure @ Temp. | Each | |||
Socket-Connect Female | |||||||||||||
| 3/4 | 3/4 | 12 | 12 | Flat | 3/8" | 0.41" | 4 | Steel | 3,000 psi @ 72° F | 2125N34 | 000000 | ||
| 3/4 | 3/4 | 12 | 12 | O-Ring Groove | 3/8" | 0.41" | 4 | Steel | 3,000 psi @ 72° F | 2125N38 | 00000 | ||
| 1 | 1 | 16 | 16 | Flat | 3/8" | 0.41" | 4 | Steel | 3,000 psi @ 72° F | 2125N35 | 00000 | ||
| 1 | 1 | 16 | 16 | O-Ring Groove | 3/8" | 0.41" | 4 | Steel | 3,000 psi @ 72° F | 2125N39 | 00000 | ||
| 1 1/2 | 1 1/2 | 24 | 24 | Flat | 1/2" | 1/2" | 4 | Steel | 3,000 psi @ 72° F | 2125N36 | 00000 | ||
| 1 1/2 | 1 1/2 | 24 | 24 | O-Ring Groove | 1/2" | 0.53" | 4 | Steel | 3,000 psi @ 72° F | 2125N4 | 00000 | ||
| 1 1/2 | 1 1/2 | 24 | 24 | O-Ring Groove | 12 mm | 13 mm | 4 | Steel | 3,000 psi @ 72° F | 2125N44 | 00000 | ||
| 2 | 2 | 32 | 32 | Flat | 1/2" | 0.53" | 4 | Steel | 3,000 psi @ 72° F | 2125N37 | 00000 | ||
| 2 | 2 | 32 | 32 | O-Ring Groove | 1/2" | 0.53" | 4 | Steel | 3,000 psi @ 72° F | 2125N41 | 00000 | ||
| 2 | 2 | 32 | 32 | O-Ring Groove | 12 mm | 13 mm | 4 | Steel | 3,000 psi @ 72° F | 2125N45 | 00000 | ||
Machined Blind Flanges
 |  |
Front | Back (O-Ring Groove) |
Bolt Hole | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
SAE Pipe Flange Size | Dash Size | Flanged Connection Surface | For Bolt Dia. | Dia. | No. Of | Material | Max. Pressure @ Temp. | Each | |||
Flanged | |||||||||||
| 3/4 | 12 | O-Ring Groove | 3/8" | 0.41" | 4 | Steel | 3,000 psi @ 72° F | 2125N5 | 000000 | ||
| 1 | 16 | Flat | 3/8" | 0.41" | 4 | Steel | 3,000 psi @ 72° F | 2125N47 | 00000 | ||
| 1 | 16 | O-Ring Groove | 3/8" | 0.41" | 4 | Steel | 3,000 psi @ 72° F | 2125N51 | 00000 | ||
| 1 1/2 | 24 | Flat | 1/2" | 1/2" | 4 | Steel | 3,000 psi @ 72° F | 2125N48 | 00000 | ||
| 1 1/2 | 24 | O-Ring Groove | 1/2" | 0.53" | 4 | Steel | 3,000 psi @ 72° F | 2125N52 | 00000 | ||
| 2 | 32 | O-Ring Groove | 1/2" | 0.53" | 4 | Steel | 3,000 psi @ 72° F | 2125N53 | 00000 | ||
SAE High-Pressure Iron and Steel Threaded Pipe Flanges
Machined Flanges
 |  |  |
Front | Back (Flat) | Back (O-Ring Groove) |
Dash Size | Bolt Hole | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Pipe Size (A) | Thread Size (A) | SAE Pipe Flange Size (B) | (A) | (B) | Flanged Connection Surface (B) | For Bolt Dia. | Dia. | No. Of | Material | Max. Pressure @ Temp. | Each | |||
NPTF Female | ||||||||||||||
| 3/4 | — | 3/4 | 12 | 12 | Flat | 3/8" | 3/8" | 4 | Steel | 3,000 psi @ 72° F | 2125N1 | 000000 | ||
| 3/4 | — | 3/4 | 12 | 12 | O-Ring Groove | 3/8" | 0.41" | 4 | Steel | 3,000 psi @ 72° F | 2125N14 | 00000 | ||
| 1 | — | 1 | 16 | 16 | Flat | 3/8" | 3/8" | 4 | Steel | 3,000 psi @ 72° F | 2125N11 | 00000 | ||
| 1 | — | 1 | 16 | 16 | O-Ring Groove | 3/8" | 0.41" | 4 | Steel | 3,000 psi @ 72° F | 2125N15 | 00000 | ||
| 1 | — | 1 | 16 | 16 | O-Ring Groove | 10 mm | 10.5 mm | 4 | Steel | 3,000 psi @ 72° F | 2125N19 | 00000 | ||
| 1 1/2 | — | 1 1/2 | 24 | 24 | Flat | 1/2" | 1/2" | 4 | Steel | 3,000 psi @ 72° F | 2125N12 | 00000 | ||
| 1 1/2 | — | 1 1/2 | 24 | 24 | O-Ring Groove | 1/2" | 0.53" | 4 | Steel | 3,000 psi @ 72° F | 2125N16 | 00000 | ||
| 2 | — | 2 | 32 | 32 | Flat | 1/2" | 1/2" | 4 | Steel | 3,000 psi @ 72° F | 2125N13 | 00000 | ||
| 2 | — | 2 | 32 | 32 | O-Ring Groove | 1/2" | 0.53" | 4 | Steel | 3,000 psi @ 72° F | 2125N17 | 00000 | ||
| 2 | — | 2 | 32 | 32 | O-Ring Groove | 12 mm | 13.3 mm | 4 | Steel | 3,000 psi @ 72° F | 2125N21 | 00000 | ||
UN/UNF (SAE Straight) Female | ||||||||||||||
| — | 1 5/16"-12 | 1 | 16 | 16 | O-Ring Groove | 3/8" | 0.41" | 4 | Steel | 3,000 psi @ 72° F | 2125N27 | 00000 | ||
| — | 1 7/8"-12 | 1 1/2 | 24 | 24 | Flat | 1/2" | 1/2" | 4 | Steel | 3,000 psi @ 72° F | 2125N24 | 00000 | ||
| — | 1 7/8"-12 | 1 1/2 | 24 | 24 | O-Ring Groove | 12 mm | 13 mm | 4 | Steel | 3,000 psi @ 72° F | 2125N32 | 00000 | ||
| — | 1 7/8"-12 | 2 | 24 | 32 | O-Ring Groove | 1/2" | 0.53" | 4 | Steel | 3,000 psi @ 72° F | 2125N29 | 00000 | ||
SAE High-Pressure Stainless Steel Unthreaded Pipe Flanges
Machined Flanges
 |  |  |  |
Flat Front | Flat Back | O-Ring Groove Front | O-Ring Groove Back |
Dash Size | Bolt Hole | 316/316L Stainless Steel | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Pipe Size (A) | SAE Pipe Flange Size (B) | (A) | (B) | Flanged Connection Surface (B) | For Bolt Dia. | Dia. | No. Of | Max. Pressure @ Temp. | Each | |||
Socket-Connect Female | ||||||||||||
| 3/4 | 3/4 | 12 | 12 | Flat | 3/8" | 0.406" | 4 | 5,000 psi @ 72° F | 1431N11 | 0000000 | ||
| 3/4 | 3/4 | 12 | 12 | O-Ring Groove | 3/8" | 0.406" | 4 | 5,000 psi @ 72° F | 1431N015 | 000000 | ||
| 1 | 1 | 16 | 16 | Flat | 3/8" | 0.406" | 4 | 5,000 psi @ 72° F | 1431N012 | 000000 | ||
| 1 | 1 | 16 | 16 | O-Ring Groove | 3/8" | 0.406" | 4 | 5,000 psi @ 72° F | 1431N016 | 000000 | ||
| 1 1/2 | 1 1/2 | 24 | 24 | Flat | 1/2" | 0.531" | 4 | 3,000 psi @ 72° F | 1431N013 | 000000 | ||
| 1 1/2 | 1 1/2 | 24 | 24 | O-Ring Groove | 1/2" | 0.531" | 4 | 3,000 psi @ 72° F | 1431N017 | 000000 | ||
| 2 | 2 | 32 | 32 | Flat | 1/2" | 0.531" | 4 | 3,000 psi @ 72° F | 1431N014 | 000000 | ||
| 2 | 2 | 32 | 32 | O-Ring Groove | 1/2" | 0.531" | 4 | 3,000 psi @ 72° F | 1431N018 | 000000 | ||
Machined Blind Flanges
SAE Extreme-Pressure Iron and Steel Threaded Two-Piece Pipe Flanges
Forged Flanges
 |
Flange |
Bolt Hole | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
SAE Pipe Flange Size | Dash Size | Flanged Connection Surface | For Bolt Dia. | Dia. | No. Of | Material | Max. Pressure @ Temp. | Each | |||
Flanged | |||||||||||
| 3/4 | 12 | O-Ring Groove | 3/8" | 0.41" | 4 | Steel | 6,000 psi @ 72° F | 2125N66 | 000000 | ||
| 3/4 | 12 | O-Ring Groove | 10 mm | 11 mm | 4 | Steel | 6,000 psi @ 72° F | 2125N71 | 00000 | ||
| 1 | 16 | O-Ring Groove | 0.438" | 0.47" | 4 | Steel | 6,000 psi @ 72° F | 2125N67 | 00000 | ||
| 1 | 16 | O-Ring Groove | 12 mm | 13 mm | 4 | Steel | 6,000 psi @ 72° F | 2125N72 | 00000 | ||
| 1 1/2 | 24 | O-Ring Groove | 5/8" | 0.66" | 4 | Steel | 6,000 psi @ 72° F | 2125N68 | 00000 | ||
| 1 1/2 | 24 | O-Ring Groove | 16 mm | 17 mm | 4 | Steel | 6,000 psi @ 72° F | 2125N7 | 00000 | ||
| 2 | 32 | O-Ring Groove | 3/4" | 0.78" | 4 | Steel | 6,000 psi @ 72° F | 2125N69 | 000000 | ||
| 2 | 32 | O-Ring Groove | 20 mm | 21 mm | 4 | Steel | 6,000 psi @ 72° F | 2125N73 | 000000 | ||
Machined Flange Adapters
|
Flange |
NPTF Thread—NPTF (Dryseal) threads are compatible with NPT threads.
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Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Pipe Size (A) | For SAE Pipe Flange Size (B) | Dash Size (A) | For Flanged Connection Surface | Material | Max. Pressure @ Temp. | Each | |||
|---|---|---|---|---|---|---|---|---|---|
NPTF Female | |||||||||
| 3/4 | 3/4 | 12 | O-Ring Groove | Steel | 6,000 psi @ 72° F | 2125N86 | 000000 | ||
| 1 | 1 | 16 | O-Ring Groove | Steel | 6,000 psi @ 72° F | 2125N87 | 00000 | ||
| 1 1/2 | 1 1/2 | 24 | O-Ring Groove | Steel | 6,000 psi @ 72° F | 2125N88 | 000000 | ||
| 2 | 2 | 32 | O-Ring Groove | Steel | 6,000 psi @ 72° F | 2125N89 | 000000 | ||
SAE High-Pressure Stainless Steel Threaded Pipe Flanges
Machined Flanges
 |  |  |  |
Flat Front | Flat Back | O-Ring Groove Front | O-Ring Groove Back |
NPTF Thread—NPTF (Dryseal) threads are compatible with NPT threads.
UN/UNF (SAE Straight) Thread—Also known as O-ring boss threads.
316/316L Stainless Steel—Flanges are the most corrosion resistant. They stand up to wet environments, just like 304 stainless steel flanges, but unlike 304 stainless steel, they will not corrode from salt water, chlorine solutions, and chemicals.
Dash Size | Bolt Hole | 316/316L Stainless Steel | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Pipe Size (A) | Thread Size (A) | SAE Pipe Flange Size (B) | (A) | (B) | Flanged Connection Surface (B) | For Bolt Dia. | Dia. | No. Of | Max. Pressure @ Temp. | Each | |||
NPTF Female | |||||||||||||
| 3/4 | — | 3/4 | 12 | 12 | O-Ring Groove | 3/8" | 0.406" | 4 | 2,500 psi @ 72° F | 1723N15 | 0000000 | ||
| 1 | — | 1 | 16 | 16 | Flat | 3/8" | 0.312" | 4 | 2,000 psi @ 72° F | 1723N12 | 000000 | ||
| 1 | — | 1 | 16 | 16 | O-Ring Groove | 3/8" | 0.406" | 4 | 2,000 psi @ 72° F | 1723N16 | 000000 | ||
| 1 1/2 | — | 1 1/2 | 24 | 24 | Flat | 1/2" | 0.422" | 4 | 1,000 psi @ 72° F | 1723N13 | 000000 | ||
| 1 1/2 | — | 1 1/2 | 24 | 24 | O-Ring Groove | 1/2" | 0.531" | 4 | 1,000 psi @ 72° F | 1723N17 | 000000 | ||
| 2 | — | 2 | 32 | 32 | Flat | 1/2" | 0.422" | 4 | 1,000 psi @ 72° F | 1723N14 | 000000 | ||
| 2 | — | 2 | 32 | 32 | O-Ring Groove | 1/2" | 0.531" | 4 | 1,000 psi @ 72° F | 1723N18 | 000000 | ||
UN/UNF (SAE Straight) Female | |||||||||||||
| — | 1 5/16"-12 | 1 | 16 | 16 | O-Ring Groove | 3/8" | 0.406" | 4 | 6,000 psi @ 72° F | 1723N29 | 000000 | ||
| — | 2 1/2"-12 | 2 | 32 | 32 | Flat | 1/2" | 0.531" | 4 | 3,000 psi @ 72° F | 1723N27 | 000000 | ||
SAE High-Pressure Stainless Steel Threaded Two-Piece Pipe Flanges
Forged Flanges
 |
Flanged O-Ring Groove |
Forged flanges have better strength than cast flanges.
316/316L Stainless Steel—Flanges are the most corrosion resistant. They stand up to wet environments, just like 304 stainless steel flanges, but unlike 304 stainless steel, they will not corrode from salt water, chlorine solutions, and chemicals.
Bolt Hole | 316/316L Stainless Steel | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
SAE Pipe Flange Size | Dash Size | Flanged Connection Surface | For Bolt Dia. | Dia. | No. Of | Max. Pressure @ Temp. | Each | |||
Flanged | ||||||||||
| 3/4 | 12 | O-Ring Groove | 3/8" | 0.406" | 4 | 5,000 psi @ 72° F | 1723N37 | 0000000 | ||
| 3/4 | 12 | O-Ring Groove | 10 mm | 10 mm | 4 | 5,000 psi @ 72° F | 1723N42 | 000000 | ||
| 1 | 16 | O-Ring Groove | 3/8" | 0.406" | 4 | 4,600 psi @ 72° F | 1723N38 | 000000 | ||
| 1 | 16 | O-Ring Groove | 10 mm | 10 mm | 4 | 4,600 psi @ 72° F | 1723N43 | 000000 | ||
| 1 1/2 | 24 | O-Ring Groove | 1/2" | 0.531" | 4 | 3,000 psi @ 72° F | 1723N39 | 000000 | ||
| 1 1/2 | 24 | O-Ring Groove | 12 mm | 13 mm | 4 | 3,000 psi @ 72° F | 1723N44 | 000000 | ||
| 2 | 32 | O-Ring Groove | 1/2" | 0.531" | 4 | 3,000 psi @ 72° F | 1723N41 | 000000 | ||
| 2 | 32 | O-Ring Groove | 12 mm | 13 mm | 4 | 3,000 psi @ 72° F | 1723N45 | 000000 | ||
Machined Flange Adapters
 |  |
Female | Male |
NPTF Thread—NPTF (Dryseal) threads are compatible with NPT threads.
UN/UNF (SAE Straight) Thread—Also known as O-ring boss threads.
316/316L Stainless Steel—Flanges are the most corrosion resistant. They stand up to wet environments, just like 304 stainless steel flanges, but unlike 304 stainless steel, they will not corrode from salt water, chlorine solutions, and chemicals.
316/316L Stainless Steel | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Pipe Size (A) | Thread Size (A) | For SAE Pipe Flange Size (B) | Dash Size (A) | For Flanged Connection Surface | Max. Pressure @ Temp. | Each | |||
NPTF Female | |||||||||
| 3/4 | — | 3/4 | 12 | O-Ring Groove | 5,000 psi @ 72° F | 1723N51 | 0000000 | ||
| 1 | — | 1 | 16 | O-Ring Groove | 4,600 psi @ 72° F | 1723N52 | 000000 | ||
| 1 1/2 | — | 1 1/2 | 24 | O-Ring Groove | 3,000 psi @ 72° F | 1723N53 | 000000 | ||
| 2 | — | 2 | 32 | O-Ring Groove | 3,000 psi @ 72° F | 1723N54 | 000000 | ||
UN/UNF (SAE Straight) Male | |||||||||
| — | 1 5/16"-12 | 1 | 16 | O-Ring Groove | 4,600 psi @ 72° F | 1723N47 | 000000 | ||
| — | 1 7/8"-12 | 1 1/2 | 24 | O-Ring Groove | 3,000 psi @ 72° F | 1723N48 | 000000 | ||
SAE High-Pressure Iron and Steel Threaded Two-Piece Pipe Flanges
Forged Flanges
|
Flange |
Bolt Hole | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
SAE Pipe Flange Size | Dash Size | Flanged Connection Surface | For Bolt Dia. | Dia. | No. Of | Material | Max. Pressure @ Temp. | Each | |||
Flanged | |||||||||||
| 1 | 16 | O-Ring Groove | 3/8" | 0.41" | 4 | Steel | 3,000 psi @ 72° F | 2125N59 | 000000 | ||
| 1 | 16 | O-Ring Groove | 10 mm | 11 mm | 4 | Steel | 3,000 psi @ 72° F | 2125N63 | 00000 | ||
| 1 1/2 | 24 | O-Ring Groove | 1/2" | 0.53" | 4 | Steel | 3,000 psi @ 72° F | 2125N6 | 00000 | ||
| 1 1/2 | 24 | O-Ring Groove | 12 mm | 13 mm | 4 | Steel | 3,000 psi @ 72° F | 2125N64 | 00000 | ||
| 2 | 32 | O-Ring Groove | 1/2" | 0.53" | 4 | Steel | 3,000 psi @ 72° F | 2125N61 | 00000 | ||
| 2 | 32 | O-Ring Groove | 12 mm | 13 mm | 4 | Steel | 3,000 psi @ 72° F | 2125N65 | 00000 | ||
Machined Flange Adapters
