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Pipe Size Pipe Size | Show |
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Material Material |
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Number of Bolt Holes Number of Bolt Holes |
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Shape Shape |
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 | Straight |
Connection Type Connection Type |
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 | Pipe |
For Use With For Use With |
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For Pipe Schedule For Pipe Schedule |
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Flanged Connection Surface Flanged Connection Surface |
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 | Raised |
For Pipe Material For Pipe Material |
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Thread Type Thread Type |
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Maximum Steam Pressure Maximum Steam Pressure |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Fabrication Fabrication |
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Maximum Pressure Maximum Pressure |
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Gender Gender |
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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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Low-Pressure Steel Threaded Pipe Flanges
Use these flanges for low-pressure applications in noncorrosive environments. Bolt two flanges of the same size together with a gasket (sold separately) to create an access point within a line.
For technical drawings and 3-D models, click on a part number.
Flanges
Front
Raised Surface on Back
- For Use With: Air, Natural Gas, Oil, Steam, Water
- Specifications Met:
NPT: ASME B16.5, ASTM A105, MSS SP-25
BSPT: ASTM A105 - Pipe Nipples and Pipe: Use Schedule 40 steel
- Fittings: Use Class 125 or 150 iron and steel
Bolt Hole | ||||||||||
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| Pipe Size | Flange OD | For Bolt Dia. | Dia. | No. of | Bolt Circle Dia. | Max. Pressure | Max. Steam Pressure | Material | Each | |
NPT | ||||||||||
| 3 1/2 | 8 1/2" | 5/8" | 3/4" | 8 | 7" | 285 psi @ 72° F | 230 psi @ 300° F | Steel | 000000000 | 0000000 |