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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 Iron and Steel Butt-Weld Pipe Fittings
Short 90° Elbow Connectors
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Butt Weld |
Pipe Size | Construction | OD | Pipe Schedule | Material | Each | |||
|---|---|---|---|---|---|---|---|---|
Butt Weld | ||||||||
| 1 | Seamless | 1 5/16" | 40 | Steel | 43425K137 | 000000 | ||
| 1 1/4 | Seamless | 1 21/32" | 40 | Steel | 43425K147 | 00000 | ||
| 1 1/2 | Seamless | 1 29/32" | 40 | Steel | 43425K157 | 00000 | ||
| 2 | Seamless | 2 3/8" | 40 | Steel | 43425K167 | 00000 | ||
| 2 1/2 | Seamless | 2 7/8" | 40 | Steel | 43425K177 | 00000 | ||
| 3 | Seamless | 3 1/2" | 40 | Steel | 43425K187 | 00000 | ||
| 4 | Seamless | 4 1/2" | 40 | Steel | 43425K217 | 00000 | ||
| 6 | Seamless | 6 5/8" | 40 | Steel | 43425K237 | 000000 | ||
| 8 | Seamless | 8 5/8" | 40 | Steel | 43425K247 | 000000 | ||
180° Bend Connectors
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Pipe Size | Construction | Pipe Schedule | Material | Shape | Each | |||
|---|---|---|---|---|---|---|---|---|
Butt Weld | ||||||||
| 1 | Seamless | 40 | Steel | 180° Bend | 43425K133 | 0000000 | ||
| 1 1/4 | Seamless | 40 | Steel | 180° Bend | 43425K143 | 000000 | ||
| 1 1/2 | Seamless | 40 | Steel | 180° Bend | 43425K153 | 000000 | ||
| 2 | Seamless | 40 | Steel | 180° Bend | 43425K163 | 000000 | ||
| 2 1/2 | Seamless | 40 | Steel | 180° Bend | 43425K173 | 000000 | ||
| 3 | Seamless | 40 | Steel | 180° Bend | 43425K183 | 000000 | ||
| 4 | Seamless | 40 | Steel | 180° Bend | 43425K213 | 000000 | ||
| 6 | Seamless | 40 | Steel | 180° Bend | 43425K233 | 000000 | ||
Stub-End Straight Adapters
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Straight Adapter |
Pipe Size | Flange OD | Construction | Pipe Schedule | Finished Material | Each | ||
|---|---|---|---|---|---|---|---|
| 1 | 2" | Seamless | 40 | Steel | 43425K135 | 000000 | |
| 1 1/4 | 2 1/2" | Seamless | 40 | Steel | 43425K145 | 000000 | |
| 1 1/2 | 2 7/8" | Seamless | 40 | Steel | 43425K155 | 000000 | |
| 2 | 3 5/8" | Seamless | 40 | Steel | 43425K165 | 000000 | |
| 2 1/2 | 4 1/8" | Seamless | 40 | Steel | 43425K175 | 000000 | |
| 3 | 5" | Seamless | 40 | Steel | 43425K185 | 000000 | |
| 4 | 6 3/16" | Seamless | 40 | Steel | 43425K215 | 000000 | |
| 6 | 8 1/2" | Seamless | 40 | Steel | 43425K235 | 000000 | |
| 8 | 10 5/8" | Seamless | 40 | Steel | 43425K245 | 000000 |
High-Pressure Iron and Steel Butt-Weld Pipe Fittings
Short 90° Elbow Connectors
![]() |
Butt Weld |
Pipe Size | Construction | OD | Pipe Schedule | Material | Each | |||
|---|---|---|---|---|---|---|---|---|
Butt Weld | ||||||||
| 1 | Seamless | 1 5/16" | 80 | Steel | 4981T33 | 000000 | ||
| 1 1/4 | Seamless | 1 21/32" | 80 | Steel | 4981T34 | 00000 | ||
| 1 1/2 | Seamless | 1 29/32" | 80 | Steel | 4981T35 | 00000 | ||
| 2 | Seamless | 2 3/8" | 80 | Steel | 4981T36 | 00000 | ||
| 2 1/2 | Seamless | 2 7/8" | 80 | Steel | 4981T37 | 00000 | ||
| 3 | Seamless | 3 1/2" | 80 | Steel | 4981T38 | 00000 | ||
| 4 | Seamless | 4 1/2" | 80 | Steel | 4981T39 | 000000 | ||
| 6 | Seamless | 6 5/8" | 80 | Steel | 4981T41 | 000000 | ||
180° Bend Connectors
Stub-End Straight Adapters
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Straight Adapter |
Pipe Size | Flange OD | Construction | Pipe Schedule | Finished Material | Each | ||
|---|---|---|---|---|---|---|---|
| 1 | 2" | Seamless | 80 | Steel | 4981T231 | 000000 | |
| 1 1/4 | 2 1/2" | Seamless | 80 | Steel | 4981T241 | 000000 | |
| 1 1/2 | 2 7/8" | Seamless | 80 | Steel | 4981T251 | 000000 | |
| 2 | 3 5/8" | Seamless | 80 | Steel | 4981T261 | 000000 | |
| 2 1/2 | 4 1/8" | Seamless | 80 | Steel | 4981T271 | 000000 | |
| 3 | 5" | Seamless | 80 | Steel | 4981T281 | 000000 | |
| 4 | 6 3/16" | Seamless | 80 | Steel | 4981T291 | 000000 | |
| 6 | 8 1/2" | Seamless | 80 | Steel | 4981T321 | 000000 |






























