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 Backflow-Prevention Valves
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Extreme-Pressure Steel Threaded Pipe Fittings
The strongest steel fittings we offer, these can withstand extreme-pressure applications. PTFE-coated steel fittings have better corrosion resistance than galvanized and zinc-plated steel fittings.
Plugs with a 7/8" taper sit flush to the surface for a low profile.
NPTF (Dryseal) threads are compatible with NPT threads.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Hydraulic Fluid, Natural Gas, Oil, Steam, Water
- Temperature Range: -100° to 450° F
- Specifications Met: ASTM A574, ASME B1.20.3
- Pipe Nipples and Pipe: Use Schedule XXH steel
- Flanges: Use Class 1500 steel
Pipeline Fluid Blockers
Also known as pipe blinds, these fluid blockers fit between two flanges to stop flow, so you can work downstream without draining the system.
Paddle blinds slip between the flanges to temporarily block flow.
304 stainless steel blinds resist corrosion better than steel blinds.
For technical drawings and 3-D models, click on a part number.
Handle | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| For Pipe Size  | OD | For Orifice Flange ANSI Class | Max. Pressure | Thick. | Lg. | Wd. | Temp. Range, °F | Specifications Met | Each | |
PTFE-Coated 304 Stainless Steel | ||||||||||
| 1/2 | 1 7/8" | 150 | 150 psi @ 250° F | 1/8" | 2" | 3/4" | -100° to 400° | ASTM D4894, FDA Compliant 21 CFR 177.1550 | 0000000 | 000000 |
| 3/4 | 2 1/4" | 150 | 150 psi @ 250° F | 1/8" | 2" | 3/4" | -100° to 400° | ASTM D4894, FDA Compliant 21 CFR 177.1550 | 0000000 | 00000 |
| 1 | 2 5/8" | 150 | 150 psi @ 70° F | 1/8" | 2 3/4" | 3/4" | -100° to 400° | ASTM D4894, FDA Compliant 21 CFR 177.1550 | 0000000 | 00000 |
| 1 1/2 | 3 3/8" | 150 | 150 psi @ 70° F | 1/8" | 2 3/4" | 3/4" | -100° to 400° | ASTM D4894, FDA Compliant 21 CFR 177.1550 | 0000000 | 00000 |
| 2 | 4 1/8" | 150 | 150 psi @ 70° F | 1/8" | 3" | 3/4" | -100° to 400° | ASTM D4894, FDA Compliant 21 CFR 177.1550 | 0000000 | 00000 |
| 3 | 5 3/8" | 150 | 150 psi @ 70° F | 1/8" | 3" | 3/4" | -100° to 400° | ASTM D4894, FDA Compliant 21 CFR 177.1550 | 0000000 | 00000 |
| 4 | 6 7/8" | 150 | 150 psi @ 70° F | 1/8" | 3" | 3/4" | -100° to 400° | ASTM D4894, FDA Compliant 21 CFR 177.1550 | 0000000 | 000000 |
| 6 | 8 3/4" | 150 | 150 psi @ 70° F | 3/16" | 5" | 3/4" | -100° to 400° | ASTM D4894, FDA Compliant 21 CFR 177.1550 | 0000000 | 000000 |