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How to Identify and Measure Fittings
Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.
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About Pressure Reductions for High-Temperature Braided Hose
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Extreme-Temperature Air and Steam Hose with Flanges
- Temperature Range:
316 Stainless Steel Hose: -325° to 1200° F
321 Stainless Steel Hose: -20° to 950° F - Maximum Vacuum: 29in. of Hg @ 72° F
- Material: 316 Stainless Steel or 321 Stainless Steel
Braided stainless steel construction gives this hose moderate flexibility and makes it tough enough to handle extreme temperatures, as well as vibration. Bolt the flanged ends to pumps and tanks. You’ll need a gasket to seal the connection. Flanges that swivel until tightened are easy to align with bolt holes.
For technical drawings and 3-D models, click on a part number.
One Fitting Swivels Until Tightened
| Pipe Size | Flange OD | ID | OD | Bend Radius | Bolt Circle Dia. | No. of Bolt Holes | Other Lengths | 12" | 14" | 18" | 24" | 30" | 36" | 42" | 48" | 54" | 60" | 66" | 72" | 96" | 120" | |
316 Stainless Steel Hose with 316 Stainless Steel Flanged Fittings | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
275 psi @ 72° F Max. Pressure | ||||||||||||||||||||||
| 1 × 1 | 4 1/4" × 4 1/4" | 1" | 1 1/2" | 9" | 3 1/8" × 3 1/8" | 4 | 10" to 120" | 0000000 | ||||||||||||||
| 1 1/2 × 1 1/2 | 5" × 5" | 1 1/2" | 2 1/4" | 11" | 3 7/8" × 3 7/8" | 4 | 10" to 120" | 0000000 | ||||||||||||||
| 2 × 2 | 6" × 6" | 2" | 2 3/4" | 13" | 4 3/4" × 4 3/4" | 4 | 12" to 120" | 0000000 | ||||||||||||||
| 2 1/2 × 2 1/2 | 7" × 7" | 2 1/2" | 3 1/2" | 16" | 5 1/2" × 5 1/2" | 4 | 12" to 120" | 0000000 | ||||||||||||||
| 3 × 3 | 7 1/2" × 7 1/2" | 3" | 4" | 18" | 6" × 6" | 4 | 12" to 120" | 0000000 | ||||||||||||||
| 4 × 4 | 9" × 9" | 4" | 5 1/8" | 22" | 7 1/2" × 7 1/2" | 8 | 14" to 120" | 0000000 | ||||||||||||||
| 6 × 6 | 11" × 11" | 6" | 7 1/4" | 32" | 9 1/2" × 9 1/2" | 8 | 14" to 120" | 0000000 | ||||||||||||||
321 Stainless Steel Hose with Steel Flanged Fittings | ||||||||||||||||||||||
285 psi @ 72° F Max. Pressure | ||||||||||||||||||||||
| 1 × 1 | 4 1/4" × 4 1/4" | 1" | 1 1/2" | 9" | 3 1/8" × 3 1/8" | 4 | 10" to 120" | 0000000 | ||||||||||||||
| 1 1/2 × 1 1/2 | 5" × 5" | 1 1/2" | 2 1/4" | 11" | 3 7/8" × 3 7/8" | 4 | 10" to 120" | 0000000 | ||||||||||||||
| 2 × 2 | 6" × 6" | 2" | 2 3/4" | 13" | 4 3/4" × 4 3/4" | 4 | 12" to 120" | 000000 | ||||||||||||||
| 2 1/2 × 2 1/2 | 7" × 7" | 2 1/2" | 3 1/2" | 16" | 5 1/2" × 5 1/2" | 4 | 12" to 120" | 000000 | ||||||||||||||
| 3 × 3 | 7 1/2" × 7 1/2" | 3" | 4" | 18" | 6" × 6" | 4 | 12" to 120" | 000000 | ||||||||||||||
| 4 × 4 | 9" × 9" | 4" | 5 1/8" | 22" | 7 1/2" × 7 1/2" | 8 | 12" to 120" | 000000 | ||||||||||||||
| 6 × 6 | 11" × 11" | 6" | 7 1/4" | 32" | 9 1/2" × 9 1/2" | 8 | 14" to 120" | 0000000 | ||||||||||||||
Both Fittings Swivel Until Tightened
| Pipe Size | Flange OD | ID | OD | Bend Radius | Bolt Circle Dia. | No. of Bolt Holes | Other Lengths | 12" | 18" | 24" | 30" | 36" | 42" | 48" | 54" | 60" | 66" | 72" | 96" | 120" | |
316 Stainless Steel Hose with 316 Stainless Steel Flanged Fittings | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
275 psi @ 72° F Max. Pressure | |||||||||||||||||||||
| 1 × 1 | 4 1/4" × 4 1/4" | 1" | 1 1/2" | 9" | 3 1/8" × 3 1/8" | 4 | 10" to 120" | 0000000 | |||||||||||||
| 1 1/2 × 1 1/2 | 5" × 5" | 1 1/2" | 2 1/4" | 11" | 3 7/8" × 3 7/8" | 4 | 10" to 120" | 0000000 | |||||||||||||
| 2 × 2 | 6" × 6" | 2" | 2 3/4" | 13" | 4 3/4" × 4 3/4" | 4 | 12" to 120" | 0000000 | |||||||||||||
| 2 1/2 × 2 1/2 | 7" × 7" | 2 1/2" | 3 1/2" | 16" | 5 1/2" × 5 1/2" | 4 | 14" to 120" | 0000000 | |||||||||||||
| 3 × 3 | 7 1/2" × 7 1/2" | 3" | 4" | 18" | 6" × 6" | 4 | 14" to 120" | 0000000 | |||||||||||||
| 4 × 4 | 9" × 9" | 4" | 5 1/8" | 22" | 7 1/2" × 7 1/2" | 8 | 14" to 120" | 0000000 | |||||||||||||
| 6 × 6 | 11" × 11" | 6" | 7 1/4" | 32" | 9 1/2" × 9 1/2" | 8 | 16" to 120" | 0000000 | |||||||||||||
321 Stainless Steel Hose with Steel Flanged Fittings | |||||||||||||||||||||
285 psi @ 72° F Max. Pressure | |||||||||||||||||||||
| 1 × 1 | 4 1/4" × 4 1/4" | 1" | 1 1/2" | 9" | 3 1/8" × 3 1/8" | 4 | 10" to 120" | 0000000 | |||||||||||||
| 1 1/2 × 1 1/2 | 5" × 5" | 1 1/2" | 2 1/4" | 11" | 3 7/8" × 3 7/8" | 4 | 10" to 120" | 0000000 | |||||||||||||
| 2 × 2 | 6" × 6" | 2" | 2 3/4" | 13" | 4 3/4" × 4 3/4" | 4 | 12" to 120" | 0000000 | |||||||||||||
| 2 1/2 × 2 1/2 | 7" × 7" | 2 1/2" | 3 1/2" | 16" | 5 1/2" × 5 1/2" | 4 | 14" to 120" | 0000000 | |||||||||||||
| 3 × 3 | 7 1/2" × 7 1/2" | 3" | 4" | 18" | 6" × 6" | 4 | 14" to 120" | 0000000 | |||||||||||||
| 4 × 4 | 9" × 9" | 4" | 5 1/8" | 22" | 7 1/2" × 7 1/2" | 8 | 14" to 120" | 0000000 | |||||||||||||
| 6 × 6 | 11" × 11" | 6" | 7 1/4" | 32" | 9 1/2" × 9 1/2" | 8 | 16" to 120" | 0000000 | |||||||||||||
Extreme-Temperature Air and Steam Hose with Flange and Threaded Fitting
Hose (Flange Swivels Until Tightened)
- Temperature Range:
316 Stainless Steel Hose: -325° to 1,200° F
321 Stainless Steel Hose: -20° to 950° F - Maximum Vacuum: 29" of Hg @ 72° F
- Material: 316 Stainless Steel or 321 Stainless Steel
Braided stainless steel construction gives this hose moderate flexibility and makes it tough enough to handle extreme temperatures, as well as vibration. Bolt the flanged end to pumps and tanks. The flange swivels until tightened, so it’s easy to align with bolt holes. You’ll need a gasket to seal the connection.
For technical drawings and 3-D models, click on a part number.
| Pipe Size | Flange OD | ID | OD | Bend Radius | Bolt Circle Dia. | No. of Bolt Holes | Other Lengths | 18" | 24" | 30" | 36" | 48" | 72" | 120" | |
316 Stainless Steel Hose with 316 Stainless Steel Flanged Fitting (Swivels Until Tightened) × 316 Stainless Steel NPT Male Fitting  | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
275 psi @ 72° F Max. Pressure | |||||||||||||||
| 1 × 1 | 4 1/4" | 1" | 1 1/2" | 7 1/4" | 3 1/8" | 4 | 12" to 120" | 00000000 | |||||||
| 1 1/2 × 1 1/2 | 5" | 1 1/2" | 2 3/16" | 8 3/4" | 3 7/8" | 4 | 12" to 120" | 00000000 | |||||||
| 2 × 2 | 6" | 2" | 2 11/16" | 10 1/2" | 4 3/4" | 4 | 12" to 120" | 00000000 | |||||||
321 Stainless Steel Hose with Steel Flanged Fitting (Swivels Until Tightened) × 304 Stainless Steel NPT Male Fitting | |||||||||||||||
285 psi @ 72° F Max. Pressure | |||||||||||||||
| 2 × 2 | 6" | 2" | 2 11/16" | 10 1/2" | 4 3/4" | 4 | 12" to 120" | 0000000 | |||||||
High-Polish Metal Quick-Clamp Sanitary Tube Fittings
- Temperature Range: See Gaskets
The smooth finish inside these fittings makes it easy to remove product residue. Also known as aseptic and tri-clamp fittings, they connect with a gasket, a clamp, and another quick-clamp fitting for a fast and easy way to access your line. The pressure rating of the fitting will vary depending on the clamp you choose, and the temperature rating will vary based on the gasket material you choose.
316 stainless steel fittings have excellent corrosion resistance.
3-A certified fittings comply with sanitary standards.
Note: To complete a connection, you’ll need two quick-clamp fittings, a clamp, and a gasket (all sold separately).
For technical drawings and 3-D models, click on a part number.
Straight Adapters, Tube × Bolt-On Flange Pipe
- For Use With:
316/316L Stainless Steel: Air, Beverage, Water
316 Stainless Steel: Air, Beverage, Dairy, Food, Water - Tubing: Use with welded 304/304L or 316/316L stainless steel that meets ASTM A269 or ASTM 270
- Specifications Met: See Table
Fittings with bolt-on flange end connect to a same-size bolt-on flange with a gasket (sold separately) to create an access point within a line.
Bolt Hole | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| For Tube OD | Tube Flange OD | Pipe Size | Pipe Flange OD | Bolt Circle Dia. | Dia. | No. of | Bolts Included | Specifications Met | Each | |
316/316L Stainless Steel | ||||||||||
| 1" | 1.984" | 1 | 4 1/4" | 3 1/8" | 5/8" | 4 | No | 3-A Certified 63-04 | 000000000 | 0000000 |
| 1 1/2" | 1.984" | 1 1/2 | 5" | 3 7/8" | 5/8" | 4 | No | 3-A Certified 63-04 | 000000000 | 000000 |
| 2" | 2.516" | 2 | 6" | 4 3/4" | 3/4" | 4 | No | 3-A Certified 63-04 | 000000000 | 000000 |
316 Stainless Steel | ||||||||||
| 2 1/2" | 3.047" | 2 1/2 | 7" | 5 1/2" | 3/4" | 4 | No | __ | 0000000 | 000000 |
| 3" | 3.579" | 3 | 7 1/2" | 6" | 3/4" | 4 | No | __ | 0000000 | 000000 |
| 4" | 4.682" | 4 | 9" | 7 1/2" | 3/4" | 8 | No | __ | 0000000 | 000000 |
Clamps
304 Stainless Steel with Wing Nut
304 Stainless Steel with Wing Nut, Spring Loaded
304 Stainless Steel with Bolt
316 Stainless Steel with Wing Nut and 2-Pin Hinge
316 Stainless Steel with Safety Wing Nut and 2-Pin Hinge
316 Stainless Steel with Double Bolt
316 Stainless Steel with
Recessed Nut, Hole for
Lockout, and 2-Pin Hinge
Recessed Nut, Hole for
Lockout, and 2-Pin Hinge
White Nylon Plastic with Wing Nut
Clamps with wing nut tighten by hand. Clamps with bolt tighten with a wrench. They handle higher pressures than wing-nut clamps for a stronger, more secure hold.
| For Tube OD | For Flange OD | Bolt Material | Max. Pressure | For Tube Specifications Met | Specifications Met | Each | |
304 Stainless Steel with Wing Nut | |||||||
|---|---|---|---|---|---|---|---|
| 1", 1 1/4", 1 1/2" | 1.984" | __ | 500 psi @ 72 ° F | ASTM A269, ASTM A270 | __ | 00000000 | 000000 |
| 2" | 2.516" | __ | 450 psi @ 72 ° F | ASTM A269, ASTM A270 | __ | 00000000 | 00000 |
| 2 1/2" | 3.047" | __ | 400 psi @ 72 ° F | ASTM A269, ASTM A270 | __ | 00000000 | 00000 |
| 3" | 3.579" | __ | 350 psi @ 72 ° F | ASTM A269, ASTM A270 | __ | 00000000 | 00000 |
| 4" | 4.682" | __ | 200 psi @ 72 ° F | ASTM A269, ASTM A270 | __ | 00000000 | 00000 |
304 Stainless Steel with Wing Nut, Spring Loaded | |||||||
| 1", 1 1/4", 1 1/2" | 1.984" | __ | 500 psi @ 72 ° F | ASTM A269, ASTM A270 | __ | 0000000 | 00000 |
| 2" | 2.516" | __ | 450 psi @ 72 ° F | ASTM A269, ASTM A270 | __ | 0000000 | 00000 |
| 2 1/2" | 3.047" | __ | 400 psi @ 72 ° F | ASTM A269, ASTM A270 | __ | 0000000 | 00000 |
| 3" | 3.579" | __ | 350 psi @ 72 ° F | ASTM A269, ASTM A270 | __ | 0000000 | 00000 |
| 4" | 4.682" | __ | 200 psi @ 72 ° F | ASTM A269, ASTM A270 | __ | 0000000 | 00000 |
304 Stainless Steel with Bolt | |||||||
| 1", 1 1/4", 1 1/2" | 1.984" | 304 Stainless Steel | 1,500 psi @ 72 ° F | ASTM A269, ASTM A270 | __ | 00000000 | 00000 |
| 2" | 2.516" | 304 Stainless Steel | 1,000 psi @ 72 ° F | ASTM A269, ASTM A270 | __ | 00000000 | 00000 |
| 2 1/2" | 3.047" | 304 Stainless Steel | 1,000 psi @ 72 ° F | ASTM A269, ASTM A270 | __ | 00000000 | 00000 |
| 3" | 3.579" | 304 Stainless Steel | 1,000 psi @ 72 ° F | ASTM A269, ASTM A270 | __ | 00000000 | 00000 |
| 4" | 4.682" | 304 Stainless Steel | 1,000 psi @ 72 ° F | ASTM A269, ASTM A270 | __ | 00000000 | 00000 |
316 Stainless Steel with Wing Nut and 2-Pin Hinge | |||||||
| 1", 1 1/4", 1 1/2" | 1.984" | __ | 700 psi @ 72 ° F | __ | __ | 0000000 | 00000 |
| 2" | 2.516" | __ | 700 psi @ 72 ° F | __ | __ | 0000000 | 00000 |
| 2 1/2" | 3.047" | __ | 700 psi @ 72 ° F | __ | __ | 0000000 | 00000 |
| 3" | 3.579" | __ | 580 psi @ 72 ° F | __ | __ | 0000000 | 00000 |
| 4" | 4.682" | __ | 500 psi @ 72 ° F | __ | __ | 0000000 | 00000 |
316 Stainless Steel with Safety Wing Nut and 2-Pin Hinge | |||||||
| 1", 1 1/4", 1 1/2" | 1.984" | __ | 720 psi @ 72 ° F | __ | __ | 0000000 | 00000 |
| 2" | 2.516" | __ | 720 psi @ 72 ° F | __ | __ | 0000000 | 00000 |
| 3" | 3.579" | __ | 580 psi @ 72 ° F | __ | __ | 0000000 | 00000 |
| 4" | 4.682" | __ | 500 psi @ 72 ° F | __ | __ | 0000000 | 00000 |
316 Stainless Steel with Double Bolt | |||||||
| 1", 1 1/4", 1 1/2" | 1.984" | 316 Stainless Steel | 2,400 psi @ 72 ° F | __ | ASME BPVC.VIII | 0000000 | 000000 |
| 2" | 2.516" | 316 Stainless Steel | 1,300 psi @ 72 ° F | __ | ASME BPVC.VIII | 0000000 | 000000 |
| 3" | 3.579" | 316 Stainless Steel | 1,300 psi @ 72 ° F | __ | ASME BPVC.VIII | 0000000 | 000000 |
| 4" | 4.682" | 316 Stainless Steel | 820 psi @ 72 ° F | __ | ASME BPVC.VIII | 0000000 | 000000 |
316 Stainless Steel with Recessed Nut, Hole for Lockout, and 2-Pin Hinge | |||||||
| 1", 1 1/4", 1 1/2" | 1.984" | __ | 720 psi @ 72 ° F | __ | __ | 0000000 | 00000 |
| 2" | 2.516" | __ | 720 psi @ 72 ° F | __ | __ | 0000000 | 00000 |
| 3" | 3.579" | __ | 580 psi @ 72 ° F | __ | __ | 0000000 | 00000 |
| 4" | 4.682" | __ | 500 psi @ 72 ° F | __ | __ | 0000000 | 00000 |
White Nylon Plastic with Wing Nut | |||||||
| 1", 1 1/4", 1 1/2" | 1.984" | __ | 150 psi @ 72 ° F | ASTM A269, ASTM A270 | __ | 00000000 | 00000 |
| 2" | 2.516" | __ | 150 psi @ 72 ° F | ASTM A269, ASTM A270 | __ | 00000000 | 00000 |
| 2 1/2" | 3.047" | __ | 150 psi @ 72 ° F | ASTM A269, ASTM A270 | __ | 00000000 | 00000 |
| 3" | 3.579" | __ | 150 psi @ 72 ° F | ASTM A269, ASTM A270 | __ | 00000000 | 00000 |
| 4" | 4.682" | __ | 150 psi @ 72 ° F | ASTM A269, ASTM A270 | __ | 00000000 | 00000 |
Gaskets
Buna-N gaskets are oil resistant. EPDM gaskets resist water and steam and work well in humid environments. Silicone gaskets withstand high temperatures. Fluoroelastomer gaskets stand up to fuel, oil, and acid condensates. PTFE gaskets withstand harsh chemicals, with the exception of molten alkali metal and elemental fluorine.
| For Tube OD | ID | OD | Thick. | Temp. Range, °F | Color | Specifications Met | Each | |
Buna-N Rubber | ||||||||
|---|---|---|---|---|---|---|---|---|
| 1" | 0.900" | 1.980" | 0.203" | -30° to 200° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 00000 |
| 1 1/2" | 1.400" | 1.980" | 0.203" | -30° to 200° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 000 |
| 2" | 1.900" | 2.520" | 0.203" | -30° to 200° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 000 |
EPDM Rubber | ||||||||
| 1 1/2" | 1.400" | 1.980" | 0.203" | -20° to 300° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
| 2" | 1.900" | 2.520" | 0.203" | -20° to 300° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
Silicone Rubber | ||||||||
| 1" | 0.900" | 1.980" | 0.203" | -40° to 450° | Clear | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
| 1 1/2" | 1.400" | 1.980" | 0.203" | -40° to 450° | Clear | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
| 2" | 1.900" | 2.520" | 0.203" | -40° to 450° | Clear | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
Fluoroelastomer Rubber | ||||||||
| 1" | 0.900" | 1.980" | 0.203" | -15° to 400° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
| 1 1/2" | 1.400" | 1.980" | 0.203" | -15° to 400° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
| 2" | 1.900" | 2.520" | 0.203" | -15° to 400° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
PTFE Plastic | ||||||||
| 1" | 0.900" | 1.980" | 0.203" | -100° to 500° | White | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550 | 00000000 | 0000 |
| 1 1/2" | 1.400" | 1.980" | 0.203" | -100° to 500° | White | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550 | 00000000 | 0000 |
| 2" | 1.900" | 2.520" | 0.203" | -100° to 500° | White | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550 | 00000000 | 0000 |
Gasket Fittings—Male Straight Adapters, Gasket × Standard Tube
For Tube OD | |||||||
|---|---|---|---|---|---|---|---|
| Gasket Connection | Standard Connection | Wall Thick. | Material | For Tube Specifications Met | Includes | Each | |
| 1" | 1" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 304 Stainless Steel Nut | 0000000 | 0000000 |
| 1 1/2" | 1 1/2" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 304 Stainless Steel Nut | 0000000 | 000000 |
| 2" | 2" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 304 Stainless Steel Nut | 0000000 | 000000 |
| 2 1/2" | 2 1/2" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 304 Stainless Steel Nut | 0000000 | 000000 |
Gasket Fittings—Female Straight Adapters, Gasket × Standard Tube
For Tube OD | ||||||
|---|---|---|---|---|---|---|
| Gasket Connection | Standard Connection | Wall Thick. | Material | For Tube Specifications Met | Each | |
| 1" | 1" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 0000000 | 000000 |
| 1 1/2" | 1 1/2" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 0000000 | 000000 |
| 2" | 2" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 0000000 | 000000 |
| 2 1/2" | 2 1/2" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 0000000 | 000000 |
Extra-Support Fittings—Male Straight Adapters, Extra-Support Tube × Standard Tube
Flange OD | |||||||
|---|---|---|---|---|---|---|---|
| For Tube OD | Extra-Support Connection | Standard Connection | Wall Thick. | Material | For Tube Specifications Met | Each | |
| 1" | 1.995" | 1.984" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 0000000 | 000000 |
| 1 1/2" | 1.995" | 1.984" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 0000000 | 00000 |
| 2" | 2.64" | 2.516" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 0000000 | 000000 |
| 3" | 3.87" | 3.579" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 0000000 | 000000 |
Extra-Support Fittings—Female Straight Adapters, Extra-Support Tube × Standard Tube
Flange OD | |||||||
|---|---|---|---|---|---|---|---|
| For Tube OD | Extra-Support Connection | Standard Connection | Wall Thick. | Material | For Tube Specifications Met | Each | |
| 1" | 1.995" | 1.984" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 0000000 | 000000 |
| 1 1/2" | 1.995" | 1.984" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 0000000 | 00000 |
| 2" | 2.64" | 2.516" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 0000000 | 000000 |
| 3" | 3.87" | 3.579" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 0000000 | 000000 |
Yor-Lok Fittings for Stainless Steel Tubing
A nut with two sleeves (ferrules) gives these fittings extra gripping power. The sleeves bite into tubing as you tighten the nut, creating a strong seal. Also known as instrumentation fittings, they are made to tight tolerances for use in high-precision applications. They are compatible with Swagelok®, Let-Lok, and A-Lok fittings.
316 stainless steel fittings have excellent corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Straight Adapters, Tube × Flange
- For Use With: Air, Cutting Oil, Fuel Oil, Gasoline, Hydraulic Fluid, Mineral Oil, Natural Gas, Steam, Water
- Tubing: Use with welded or seamless 304/304L or 316/316L stainless steel that meets ASTM A213, ASTM A249, or ASTM A269
Fittings with flange end connect to another same-size flange with a gasket (sold separately) to create an access point in your line. They are also known as Pressure Class 150 flanges.
For Tube | Bolt Hole | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OD | Wall Thick. | Pipe Size | Flange OD | Material | Max. Pressure | Temp. Range, °F | Bolt Circle Dia. | Dia. | No. of | Bolts Included | Specifications Met | Each | |
| 1/2" | 0.035" | 1/2 | 3 1/2" | 316 Stainless Steel | 250 psi @ 72° F | -420° to 1200° | 2 3/8" | 5/8" | 4 | No | ASME B16.5 | 00000000 | 0000000 |
| 1/2" | 0.035" | 1 | 4 1/4" | 316 Stainless Steel | 250 psi @ 72° F | -420° to 1200° | 3 1/8" | 5/8" | 4 | No | ASME B16.5 | 00000000 | 000000 |
Nuts
For Tube | ||||||
|---|---|---|---|---|---|---|
| OD | Wall Thick. | Nut Material | Max. Pressure | Temp. Range, °F | Each | |
| 1/2" | 0.035" | 316 Stainless Steel | 2,000 psi @ 72° F | -420° to 1200° | 00000000 | 000000 |
Front and Back Sleeves
For Tube | ||||||
|---|---|---|---|---|---|---|
| OD | Wall Thick. | Sleeve Material | Max. Pressure | Temp. Range, °F | Each | |
| 1/2" | 0.035" | 316 Stainless Steel | 2,000 psi @ 72° F | -420° to 1200° | 00000000 | 00000 |
PTFE Sleeves
PTFE sleeves are plastic instead of stainless steel, so they won’t damage tubing.
| For Tube OD | Sleeve Material | Max. Pressure | Temp. Range, °F | Each | |
| 1/2" | PTFE Plastic | Not Rated | -65° to 350° | 00000000 | 00000 |
Tube Supports
Tube supports are recommended for soft plastic tubing to prevent the tube from collapsing.
For Tube | |||||
|---|---|---|---|---|---|
| OD | ID | Tube Support Material | Temp. Range, °F | Each | |
| 1/2" | 1/4" | 316 Stainless Steel | -420° to 1200° | 00000000 | 00000 |
Ultra-High-Vacuum Flanges and Fittings for Stainless Steel Tubing
- For Use With: Air
- Temperature Range:
Flanges: -300° to 800° F
Gaskets: Not Rated - Tubing: Use with 304/304L and 316/316L stainless steel
- Specifications Met:
Flanges: ASTM A240, ASTM E45, ASTM E12
Gaskets: ASTM B152-179, ASTM F68
Create access points in ultra-high-vacuum lines or chambers by bolting two same-size flanges together with a copper gasket (sold separately) between them. The flanges’ sharp edges dig into the copper gasket and form an extremely tight seal, which means they handle higher vacuum pressures than other high-vacuum fittings with rubber gaskets. Also known as CF, Conflat, and UHV fittings, use them in vacuum coating, heat treating, and drying applications, as well as for leak testing and analyzing gases. They’re stainless steel so they resist rusting.
Fittings with a rotating flange turn so you can easily match up the bolt holes with another flange that may be misaligned.
Butt-weld flanges provide a flush connection for smooth flow through your line.
Socket-connect flanges are easier to weld than butt-weld flanges because they don’t need to align perfectly to tubing; insert the tubing into the socket end and weld together.
Caps are also known as blind flanges.
Bolt kits are required to make a complete connection.
For technical drawings and 3-D models, click on a part number.
Straight Connectors, Flanged
Straight Connector, Flanged
Bolt Hole | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Tube OD | Flange OD | High-Vacuum Flange Size | High Vacuum Connection Type | Bolt Circle Dia. | Dia. | No. of | Bolts Included | No. of Bolt Kits Required | Lg. | Max. Vacuum | Material | Appearance | Each | |
Fixed × Rotating | ||||||||||||||
| 3/4" | 1 21/64" | 16 | CF | 1 1/16" | 11/64" | 6 | No | 2 | 3" | 1 × 10 -13 torr @72° F | 304 Stainless Steel | Polished | 0000000 | 000000 |
| 1 1/2" | 2 3/4" | 40 | CF | 2 5/16" | 17/64" | 6 | No | 2 | 4 15/16" | 1 × 10 -13 torr @72° F | 304 Stainless Steel | Polished | 0000000 | 00000 |
| 2 1/2" | 4 1/2" | 63 | CF | 3 5/8" | 21/64" | 8 | No | 2 | 6 11/16" | 1 × 10 -13 torr @72° F | 304 Stainless Steel | Polished | 0000000 | 000000 |
| 4" | 6" | 100 | CF | 5 1/8" | 21/64" | 16 | No | 4 | 8 5/8" | 1 × 10 -13 torr @72° F | 304 Stainless Steel | Polished | 0000000 | 000000 |
90° Elbow Connectors, Flanged
Elbow Connector, Flanged
Bolt Hole | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Tube OD | Flange OD | High-Vacuum Flange Size | High Vacuum Connection Type | Bolt Circle Dia. | Dia. | No. of | Bolts Included | No. of Bolt Kits Required | Max. Vacuum | Material | Appearance | Each | |
Rotating | |||||||||||||
| 3/4" | 1 21/64" | 16 | CF | 1 1/16" | 11/64" | 6 | No | 2 | 1 × 10 -13 torr @72° F | 304 Stainless Steel | Polished | 0000000 | 0000000 |
| 1 1/2" | 2 3/4" | 40 | CF | 2 5/16" | 17/64" | 6 | No | 2 | 1 × 10 -13 torr @72° F | 304 Stainless Steel | Polished | 0000000 | 000000 |
| 2 1/2" | 4 1/2" | 63 | CF | 3 5/8" | 21/64" | 8 | No | 2 | 1 × 10 -13 torr @72° F | 304 Stainless Steel | Polished | 0000000 | 000000 |
| 4" | 6" | 100 | CF | 5 1/8" | 21/64" | 16 | No | 4 | 1 × 10 -13 torr @72° F | 304 Stainless Steel | Polished | 0000000 | 000000 |
Butt-Weld Flanges
Butt-Weld Fixed Flange
Butt-Weld Rotating Flange
Butt-Weld Tube Connection | Flanged Tube Connection | Bolt Hole | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Tube OD | Wall Thick. | For Tube OD | Flange OD | High-Vacuum Flange Size | High Vacuum Connection Type | Bolt Circle Dia. | Dia. | No. of | Bolts Included | No. of Bolt Kits Required | Lg. | Max. Vacuum | Material | Appearance | Each | |
Fixed | ||||||||||||||||
| 3/4" | 0.049" | 3/4" | 1 21/64" | 16 | CF | 1 1/16" | 11/64" | 6 | No | 1 | 1 1/2" | 1 × 10 -13 torr @72° F | 304 Stainless Steel | Polished | 0000000 | 000000 |
| 3/4" | 0.06" | 3/4" | 1 21/64" | 16 | CF | 1 1/16" | 11/64" | 6 | No | 1 | 9/16" | 1 × 10 -13 torr @72° F | 304 Stainless Steel | Polished | 0000000 | 00000 |
| 1 1/2" | 0.065" | 1 1/2" | 2 3/4" | 40 | CF | 2 5/16" | 17/64" | 6 | No | 1 | 2 15/32" | 1 × 10 -13 torr @72° F | 304 Stainless Steel | Polished | 0000000 | 00000 |
| 2 1/2" | 0.065" | 2 1/2" | 4 1/2" | 63 | CF | 3 5/8" | 21/64" | 8 | No | 1 | 3 3/8" | 1 × 10 -13 torr @72° F | 304 Stainless Steel | Polished | 0000000 | 000000 |
| 4" | 0.083" | 4" | 6" | 100 | CF | 5 1/8" | 21/64" | 16 | No | 4 | 4 5/16" | 1 × 10 -13 torr @72° F | 304 Stainless Steel | Polished | 0000000 | 000000 |
Rotating | ||||||||||||||||
| 3/4" | 0.06" | 3/4" | 1 21/64" | 16 | CF | 1 1/16" | 11/64" | 6 | No | 1 | 9/16" | 1 × 10 -13 torr @72° F | 304 Stainless Steel | Polished | 0000000 | 00000 |
Socket-Connect Flanges
Socket-Connect Fixed Flange
Socket-Connect Rotating Flange
Socket-Connect Tube Connection | Flanged Tube Connection | Bolt Hole | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Tube OD | Socket Dp. | For Tube OD | Flange OD | High-Vacuum Flange Size | High Vacuum Connection Type | Bolt Circle Dia. | Dia. | No. of | Bolts Included | No. of Bolt Kits Required | Lg. | Max. Vacuum | Material | Appearance | Each | |
Fixed | ||||||||||||||||
| 3/4" | 7/64" | 3/4" | 1 21/64" | 16 | CF | 11/16" | 3/16" | 6 | No | 1 | 5/16" | 1 × 10 -13 torr @72° F | 304 Stainless Steel | Polished | 0000000 | 000000 |
| 1 1/2" | 13/64" | 1 1/2" | 2 3/4" | 40 | CF | 2 5/16" | 17/64" | 6 | No | 1 | 1/2" | 1 × 10 -13 torr @72° F | 304 Stainless Steel | Polished | 0000000 | 00000 |
| 2 1/2" | 3/8" | 2 1/2" | 4 1/2" | 63 | CF | 3 5/8" | 21/64" | 8 | No | 1 | 11/16" | 1 × 10 -13 torr @72° F | 304 Stainless Steel | Polished | 0000000 | 00000 |
| 4" | 7/16" | 4" | 6" | 100 | CF | 5 1/8" | 21/64" | 16 | No | 2 | 25/32" | 1 × 10 -13 torr @72° F | 304 Stainless Steel | Polished | 0000000 | 000000 |
Rotating | ||||||||||||||||
| 3/4" | 1/8" | 3/4" | 1 21/64" | 16 | CF | 11/16" | 3/16" | 6 | No | 1 | 5/16" | 1 × 10 -13 torr @72° F | 304 Stainless Steel | Polished | 0000000 | 00000 |
| 1 1/2" | 13/64" | 1 1/2" | 2 3/4" | 40 | CF | 2 5/16" | 17/64" | 6 | No | 1 | 1/2" | 1 × 10 -13 torr @72° F | 304 Stainless Steel | Polished | 0000000 | 00000 |
| 2 1/2" | 3/8" | 2 1/2" | 4 1/2" | 63 | CF | 3 5/8" | 21/64" | 8 | No | 1 | 11/16" | 1 × 10 -13 torr @72° F | 304 Stainless Steel | Polished | 0000000 | 00000 |
| 4" | 7/16" | 4" | 6" | 100 | CF | 5 1/8" | 21/64" | 16 | No | 2 | 25/32" | 1 × 10 -13 torr @72° F | 304 Stainless Steel | Polished | 0000000 | 000000 |
Tee Connectors, Flanged
Tee Connector, Flanged
Bolt Hole | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Tube OD | Flange OD | High-Vacuum Flange Size | High Vacuum Connection Type | Bolt Circle Dia. | Dia. | No. of | Bolts Included | No. of Bolt Kits Required | Max. Vacuum | Material | Appearance | Each | |
Fixed × Rotating × Rotating | |||||||||||||
| 3/4" | 1 21/64" | 16 | CF | 1 1/16" | 11/64" | 6 | No | 3 | 1 × 10 -13 torr @72° F | 304 Stainless Steel | Polished | 0000000 | 0000000 |
| 1 1/2" | 2 3/4" | 40 | CF | 2 5/16" | 17/64" | 6 | No | 3 | 1 × 10 -13 torr @72° F | 304 Stainless Steel | Polished | 0000000 | 000000 |
| 2 1/2" | 4 1/2" | 63 | CF | 3 5/8" | 21/64" | 8 | No | 3 | 1 × 10 -13 torr @72° F | 304 Stainless Steel | Polished | 0000000 | 000000 |
| 4" | 6" | 100 | CF | 5 1/8" | 21/64" | 16 | No | 6 | 1 × 10 -13 torr @72° F | 304 Stainless Steel | Polished | 0000000 | 000000 |
Caps
Cap
Bolt Hole | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Tube OD | Flange OD | High-Vacuum Flange Size | High Vacuum Connection Type | Bolt Circle Dia. | Dia. | No. of | Bolts Included | No. of Bolt Kits Required | Lg. | Max. Vacuum | Material | Appearance | Each | |
Fixed | ||||||||||||||
| 3/4" | 1 21/64" | 16 | CF | 1 1/16" | 11/64" | 6 | No | 1 | 5/16" | 1 × 10 -13 torr @72° F | 304 Stainless Steel | Polished | 0000000 | 000000 |
| 1 1/2" | 2 3/4" | 40 | CF | 2 5/16" | 17/64" | 6 | No | 1 | 1/2" | 1 × 10 -13 torr @72° F | 304 Stainless Steel | Polished | 0000000 | 00000 |
| 2 1/2" | 4 1/2" | 63 | CF | 3 5/8" | 21/64" | 8 | No | 1 | 11/16" | 1 × 10 -13 torr @72° F | 304 Stainless Steel | Polished | 0000000 | 00000 |
| 4" | 6" | 100 | CF | 5 1/8" | 21/64" | 16 | No | 2 | 25/32" | 1 × 10 -13 torr @72° F | 304 Stainless Steel | Polished | 0000000 | 000000 |
Bolt Kits
Bolt Kit
| For Flange OD | For High-Vacuum Flange Size | Bolt Dia. | Thread Size | No. of Bolts Included | No. of Nuts Included | No. of Washers Included | Bolt Material | Each | |
| 1 21/64" | 16 | 0.164" | 8-32 | 6 | 6 | 12 | 18-8 Stainless Steel | 0000000 | 00000 |
| 2 3/4" | 40 | 1/4" | 1/4"-28 | 6 | 6 | 12 | 18-8 Stainless Steel | 0000000 | 00000 |
| 4 1/2" | 63 | 5/16" | 5/16"-24 | 8 | 8 | 16 | 18-8 Stainless Steel | 0000000 | 00000 |
| 6" | 100 | 5/16" | 5/16"-24 | 8 | 8 | 16 | 18-8 Stainless Steel | 0000000 | 00000 |
Rings for Claw-Clamp and Bolt-Together
High-Vacuum Fittings for Stainless Steel Tubing
Ring
- For Use With: Air
- Max. Temperature: 400° F
- Tubing: Use with 304/304L Stainless Steel or 316/316L Stainless Steel
Create airtight seals in high-vacuum systems by placing these rings between two claw-clamp (ISO-K) or bolt-together (ISO-F) fittings. They contain a Viton® fluoroelastomer O-ring—when you clamp or bolt your fittings together, the O-ring compresses to establish the seal.
For technical drawings and 3-D models, click on a part number.
Claw-Clamp Connection | Flanged Connection | Material | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Tube OD | For Flange OD | For High-Vacuum Flange Size | High Vacuum Connection Type | For Tube OD | For Flange OD | For High-Vacuum Flange Size | High Vacuum Connection Type | O-Ring | Inner Ring | Max. Vacuum | Each | |
| 2 1/2" | 3.74" | 63 | ISO-K | 2 1/2" | 5.12" | __ | ISO-F | Viton® Fluoroelastomer Rubber | 304 Stainless Steel | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
| 3" | 4.33" | 80 | ISO-K | 3" | 5.71" | 80 | ISO-F | Viton® Fluoroelastomer Rubber | 304 Stainless Steel | 1 × 10 -9 torr @ 72° F | 000000 | 00000 |
| 4" | 5.12" | 100 | ISO-K | 4" | 6.5" | 100 | ISO-F | Viton® Fluoroelastomer Rubber | 304 Stainless Steel | 1 × 10 -9 torr @ 72° F | 0000000 | 00000 |
| 6" | 7.09" | 160 | ISO-K | 6" | 8.86" | 160 | ISO-F | Viton® Fluoroelastomer Rubber | 304 Stainless Steel | 1 × 10 -9 torr @ 72° F | 0000000 | 00000 |