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Pipe Size Pipe Size |
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Material Material |
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Connection Style Connection Style |
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| Flanged |
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| Slip-On Weld |
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| Butt Weld |
For Pipe Material For Pipe Material |
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Flanged Connection Surface Flanged Connection Surface |
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 | Raised |
Flange OD Flange OD | Show |
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Flange OD Flange OD | Hide |
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For Use With For Use With |
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For Pipe Schedule For Pipe Schedule |
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 | 40 |
Maximum Steam Pressure Maximum Steam Pressure |
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Number of Bolt Holes Number of Bolt Holes |
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Maximum Pressure Maximum Pressure |
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Connection Type Connection Type |
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 | Pipe |
Gender Gender |
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Construction Construction |
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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 Unthreaded Pipe Flanges
Bolt two flat-surface flanges or two raised-surface flanges of the same size together with a gasket (sold separately) to create an access point in a pipe line. Flanges are for use with low-pressure applications in noncorrosive environments.
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 flanges have no internal stop; slide a pipe through the flange and weld on both sides.
Cap flanges are also known as blind flanges.
For technical drawings and 3-D models, click on a part number.
Inch Butt-Weld Flanges
Front
Raised Surface on Back
- For Use With: Air, Natural Gas, Oil, Steam, Water
- Class: See table
- Specifications Met: See table
- Certification: See table
- Pipe Nipples and Pipe: Use Schedule 40 steel
- Fittings: Use Schedule 40 iron or steel
Bolt Hole | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pipe Size | Wall Thick. | Flange OD | For Bolt Dia. | Dia. | No. of | Bolt Circle Dia. | Construction | Max. Pressure | Max. Steam Pressure | Specifications Met | Each | |
| 1 1/2 | 0.137" | 5 33/64" | 5/8" | 3/4" | 4 | 4 9/64" | Seamless | Not Rated | Not Rated | ASTM A105, JIS 10K 40A, JIS B2220 | 0000000 | 000000 |
Inch Slip-On Weld Flanges
Front
Raised Surface on Back
- For Use With: Air, Natural Gas, Oil, Steam, Water
- Class: See table
- Specifications Met: See table
- Certification: See table
- Pipe Nipples and Pipe: Use Schedule 40 steel
- Fittings: Use Schedule 40 iron or steel
Bolt Hole | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Pipe Size | Flange OD | For Bolt Dia. | Dia. | No. of | Bolt Circle Dia. | Max. Pressure | Max. Steam Pressure | Specifications Met | Each | |
| 1 1/2 | 5 33/64" | 5/8" | 0.748" | 4 | 4 9/64" | Not Rated | Not Rated | ASTM A105, JIS 10K 40A, JIS B2220 | 0000000 | 000000 |
Inch Caps
Front
Raised Surface on Back
- For Use With: Air, Natural Gas, Oil, Steam, Water
- Class: See table
- Specifications Met: See table
- Certification: Material Certificate with Traceable Lot Number and Test Report
- Pipe Nipples and Pipe: Use Schedule 40 steel
- Fittings: Use Schedule 40 iron or steel
Bolt Hole | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Pipe Size | Flange OD | For Bolt Dia. | Dia. | No. of | Bolt Circle Dia. | Max. Pressure | Max. Steam Pressure | Specifications Met | Each | |
| 1 1/2 | 5 33/64" | 5/8" | 0.748" | 4 | 4 9/64" | Not Rated | Not Rated | ASTM A105, JIS 10K 40A, JIS B2220 | 0000000 | 000000 |
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)