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About Pipe and Fittings
Measure your pipe and fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.
Low-Pressure Galvanized Iron and Steel Threaded Pipe Flanges
Flanges
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Front | Raised Surface on Back |
Pipe Size | Bolt Hole | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
(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 | Raised | 3 1/2" | 1/2" | 5/8" | 4 | 2 3/8" | 150 | Galvanized Steel | 285 psi @ 72° F | 150 psi @ 300° F | 7551K119 | 000000 | ||
| 3/4 | 3/4 | Raised | 3 7/8" | 1/2" | 5/8" | 4 | 2 3/4" | 150 | Galvanized Steel | 285 psi @ 72° F | 150 psi @ 300° F | 7551K121 | 00000 | ||
| 1 | 1 | Raised | 4 1/4" | 1/2" | 5/8" | 4 | 3 1/8" | 150 | Galvanized Steel | 285 psi @ 72° F | 150 psi @ 300° F | 7551K122 | 00000 | ||
| 1 1/4 | 1 1/4 | Raised | 4 5/8" | 1/2" | 5/8" | 4 | 3 1/2" | 150 | Galvanized Steel | 285 psi @ 72° F | 150 psi @ 300° F | 7551K123 | 00000 | ||
| 1 1/2 | 1 1/2 | Raised | 5" | 1/2" | 5/8" | 4 | 3 7/8" | 150 | Galvanized Steel | 285 psi @ 72° F | 150 psi @ 300° F | 7551K124 | 00000 | ||
| 2 | 2 | Raised | 6" | 5/8" | 3/4" | 4 | 4 3/4" | 150 | Galvanized Steel | 285 psi @ 72° F | 150 psi @ 300° F | 7551K125 | 00000 | ||
| 2 1/2 | 2 1/2 | Raised | 7" | 5/8" | 3/4" | 4 | 5 1/2" | 150 | Galvanized Steel | 285 psi @ 72° F | 150 psi @ 300° F | 7551K126 | 00000 | ||
| 3 | 3 | Raised | 7 1/2" | 5/8" | 3/4" | 4 | 6" | 150 | Galvanized Steel | 285 psi @ 72° F | 150 psi @ 300° F | 7551K127 | 00000 | ||
| 4 | 4 | Raised | 9" | 5/8" | 3/4" | 8 | 7 1/2" | 150 | Galvanized Steel | 285 psi @ 72° F | 150 psi @ 300° F | 7551K128 | 000000 | ||
| 5 | 5 | Raised | 10" | 3/4" | 7/8" | 8 | 8 1/2" | 150 | Galvanized Steel | 285 psi @ 72° F | 150 psi @ 300° F | 7551K129 | 000000 | ||
| 6 | 6 | Raised | 11" | 3/4" | 7/8" | 8 | 9 1/2" | 150 | Galvanized Steel | 285 psi @ 72° F | 150 psi @ 300° F | 7551K131 | 000000 | ||
| 8 | 8 | Raised | 13 1/2" | 3/4" | 7/8" | 8 | 11 3/4" | 150 | Galvanized Steel | 285 psi @ 72° F | 150 psi @ 300° F | 7551K133 | 000000 | ||
BSPT Female | |||||||||||||||
| 2 | 2 | Raised | 6" | 3/4" | 3/4" | 4 | 4 3/4" | 150 | Galvanized Steel | 285 psi @ 72° F | 150 psi @ 300° F | 1584N5 | 000000 | ||



























