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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 Fittings
The galvanized finish on these fittings provides fair corrosion resistance. Fittings are for use in low-pressure applications.
90° Elbow Reducing Adapters

- For Use With: Air, Steam, Oil, Water, Natural Gas
- Pressure Class: 150
- Specifications Met: ASTM A153, UL Listed, ASME B16.3, ASME B1.20.1
- Pipe Nipples and Pipe: Use Schedule 40 steel
- Flanges: Use Class 150 galvanized steel
Pipe Size | ||||||
|---|---|---|---|---|---|---|
| (A) | (B) | Max. Pressure | Max. Steam Pressure | Material | Each | |
NPT Female × NPT Male | ||||||
| 1/2 | 3/8 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K341 | 000000 |
| 3/4 | 1/2 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K342 | 00000 |
| 1 | 3/4 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K343 | 00000 |
| 1 1/4 | 3/4 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K345 | 00000 |
| 1 1/4 | 1 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K344 | 00000 |
| 1 1/2 | 1 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K346 | 00000 |
| 1 1/2 | 1 1/4 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K347 | 00000 |
| 2 | 1 1/2 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K348 | 00000 |
90° Elbow Reducers

- For Use With: Air, Steam, Oil, Water, Natural Gas
- Pressure Class: 150
- Specifications Met: ASTM A153, UL Listed, ASME B16.3, ASME B1.20.1
- Pipe Nipples and Pipe: Use Schedule 40 steel
- Flanges: Use Class 150 galvanized steel
Pipe Size | ||||||
|---|---|---|---|---|---|---|
| (A) | (B) | Max. Pressure | Max. Steam Pressure | Material | Each | |
NPT Female | ||||||
| 1/4 | 1/8 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K191 | 000000 |
| 3/8 | 1/8 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K391 | 00000 |
| 3/8 | 1/4 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K192 | 00000 |
| 1/2 | 1/4 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K193 | 0000 |
| 1/2 | 3/8 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K194 | 0000 |
| 3/4 | 1/4 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K392 | 00000 |
| 3/4 | 3/8 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K282 | 00000 |
| 3/4 | 1/2 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K195 | 0000 |
| 1 | 3/8 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K283 | 00000 |
| 1 | 1/2 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K197 | 00000 |
| 1 | 3/4 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K196 | 00000 |
| 1 1/4 | 1/2 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K284 | 00000 |
| 1 1/4 | 3/4 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K199 | 00000 |
| 1 1/4 | 1 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K198 | 00000 |
| 1 1/2 | 1/2 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K285 | 00000 |
| 1 1/2 | 3/4 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K286 | 00000 |
| 1 1/2 | 1 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K312 | 00000 |
| 1 1/2 | 1 1/4 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K311 | 00000 |
| 2 | 1/2 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K287 | 00000 |
| 2 | 3/4 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K288 | 00000 |
| 2 | 1 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K289 | 00000 |
| 2 | 1 1/4 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K291 | 00000 |
| 2 | 1 1/2 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K295 | 00000 |
| 2 1/2 | 1 1/2 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K292 | 000000 |
| 2 1/2 | 2 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K293 | 000000 |
| 3 | 2 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K294 | 000000 |
| 3 | 2 1/2 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K393 | 000000 |
| 4 | 3 | 150 psi @ 72° F | 150 psi @ 350° F | Galvanized Iron | 4638K394 | 000000 |
Compact Extreme-Pressure Steel Threaded Pipe Fittings
These fittings are strong enough to handle extreme pressures, yet small enough to fit into cramped spaces. They are zinc-plated steel, which have better corrosion resistance than plain steel fittings.
NPTF (Dryseal) threads are compatible with NPT threads.
90° Elbow Reducing Adapters

- For Use With: Air, Hydraulic Fluid, Water
- Specifications Met: ASTM A576
Pipe Size | Dash Size | ||||||
|---|---|---|---|---|---|---|---|
| (A) | (B) | (A) | (B) | Max. Pressure | Material | Each | |
NPT Female × NPTF Male | |||||||
| 1/2 | 1/4 | 08 | 04 | 3,000 psi @ 72° F | Zinc Plated Steel | 50925K614 | 000000 |
NPTF Female × NPTF Male | |||||||
| 1/8 | 1/4 | 02 | 04 | 5,000 psi @ 72° F | Zinc Plated Steel | 50925K512 | 00000 |
| 1/4 | 1/8 | 04 | 02 | 5,000 psi @ 72° F | Zinc Plated Steel | 50925K511 | 00000 |
| 1/4 | 3/8 | 04 | 06 | 5,000 psi @ 72° F | Zinc Plated Steel | 50925K514 | 00000 |
| 3/8 | 1/4 | 06 | 04 | 4,500 psi @ 72° F | Zinc Plated Steel | 50925K513 | 00000 |
| 3/8 | 1/2 | 06 | 08 | 4,500 psi @ 72° F | Zinc Plated Steel | 50925K516 | 00000 |
| 1/2 | 3/8 | 08 | 06 | 3,000 psi @ 72° F | Zinc Plated Steel | 50925K515 | 00000 |
| 1/2 | 3/4 | 08 | 12 | 3,000 psi @ 72° F | Zinc Plated Steel | 50925K518 | 00000 |
| 3/4 | 1/2 | 12 | 08 | 3,000 psi @ 72° F | Zinc Plated Steel | 50925K517 | 00000 |
90° Elbow Reducers, Female

- For Use With: Air, Hydraulic Fluid, Water
- Specifications Met: ASTM A576
Pipe Size | Dash Size | ||||||
|---|---|---|---|---|---|---|---|
| (A) | (B) | (A) | (B) | Max. Pressure | Material | Each | |
NPTF Female | |||||||
| 1/4 | 1/8 | 04 | 02 | 5,000 psi @ 72° F | Zinc Plated Steel | 50925K615 | 00000 |
Medium-Pressure Galvanized Iron and Steel Threaded Pipe Fittings
A galvanized finish gives these fittings fair corrosion resistance. They have the strength to handle medium-pressure applications.
90° Elbow Reducers

- For Use With: Air, Natural Gas, Steam, Water
- Pressure Class : 300
- Specifications Met: ASTM A153, ASTM A197, ASME B16.3, ASME B1.20.1
- Pipe Nipples and Pipe: Use Schedule 80 steel
- Flanges: Use Class 300 steel


























