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 Iron and Steel Threaded Pipe Fittings
Use these fittings for low-pressure applications in noncorrosive environments.
NPTF (Dryseal) threads, NPSC (National Pipe Straight Coupling) threads, and NPSL (National Pipe Straight Locknut) threads are compatible with NPT threads.
- For Use With:
NPT, BSPP, and Metric: Air, Natural Gas, Oil, Steam, Water
NPTF: Air, Natural Gas, Steam, Water - Pressure Class:
NPT: 150 - Specifications Met:
BSPP and Metric: DIN 908 - Pipe Nipples and Pipe:
NPT: Use Schedule 40 steel
Pipe Size | Drive Size | Max. Pressure | Max. Steam Pressure | Material | Each | |
NPTF Male Hollow with Magnet | ||||||
|---|---|---|---|---|---|---|
| 1/8 | 3/16" | 150 psi @ 72° F | 150 psi @ 250° F | Steel | 0000000 | 00000 |
| 1/4 | 1/4" | 150 psi @ 72° F | 150 psi @ 250° F | Steel | 0000000 | 0000 |
| 3/8 | 5/16" | 150 psi @ 72° F | 150 psi @ 250° F | Steel | 0000000 | 0000 |
| 1/2 | 3/8" | 150 psi @ 72° F | 150 psi @ 250° F | Steel | 0000000 | 0000 |
| 3/4 | 9/16" | 150 psi @ 72° F | 150 psi @ 250° F | Steel | 0000000 | 0000 |
| 1 | 5/8" | 150 psi @ 72° F | 150 psi @ 250° F | Steel | 0000000 | 0000 |
- For Use With:
Solid: Air, Steam, Oil, Water, Natural Gas
Solid with Magnet: Air, Steam, Water, Natural Gas - Specifications Met:
BSPP and Metric with Washer: DIN 910
BSPT: DIN 909
| Thread Size | Plug Construction | Max. Pressure | Max. Steam Pressure | Material | Each | |
Metric Male | ||||||
|---|---|---|---|---|---|---|
| M12 × 1.25 mm | Solid with Magnet | 150 psi @ 72° F | 150 psi @ 250° F | Steel | 0000000 | 000000 |
| M14 × 1.25 mm | Solid with Magnet | 150 psi @ 72° F | 150 psi @ 250° F | Steel | 0000000 | 00000 |
| M14 × 1.5 mm | Solid with Magnet | 150 psi @ 72° F | 150 psi @ 250° F | Steel | 0000000 | 00000 |
| M18 × 1.5 mm | Solid with Magnet | 150 psi @ 72° F | 150 psi @ 250° F | Steel | 0000000 | 00000 |
- For Use With:
NPT and BSPT: Air, Natural Gas, Oil, Steam, Water
NPTF: Air, Natural Gas, Steam, Water - Pressure Class:
NPT Iron: 125
BSPT Iron: 150 - Specifications Met:
See table - Pipe Nipples and Pipe:
NPT and BPST: Use Schedule 40 steel
| Pipe Size | Plug Construction | Max. Pressure | Max. Steam Pressure | Material | Each | |
NPTF Male | ||||||
|---|---|---|---|---|---|---|
| 1/8 | Solid with Magnet | 150 psi @ 72° F | 150 psi @ 250° F | Steel | 0000000 | 00000 |
| 1/4 | Solid with Magnet | 150 psi @ 72° F | 150 psi @ 250° F | Steel | 0000000 | 0000 |
| 3/8 | Solid with Magnet | 150 psi @ 72° F | 150 psi @ 250° F | Steel | 0000000 | 0000 |
| 1/2 | Solid with Magnet | 150 psi @ 72° F | 150 psi @ 250° F | Steel | 0000000 | 0000 |
| 3/4 | Solid with Magnet | 150 psi @ 72° F | 150 psi @ 250° F | Steel | 0000000 | 0000 |
| 1 | Solid with Magnet | 150 psi @ 72° F | 150 psi @ 250° F | Steel | 0000000 | 00000 |
Low-Pressure Stainless Steel Threaded Pipe Fittings
Use these fittings in a low-pressure pipe line. 316 stainless steel fittings have excellent corrosion resistance.
Plugs with magnet attract metal debris that could otherwise damage your system.
NPTF (Dryseal) threads and NPSL (National Pipe Straight Locknut) threads are compatible with NPT threads.
- For Use With: Air, Steam, Oil, Water, Natural Gas
- Pressure Class:
NPTF: 150 - Specifications Met:
Metric and BSPP: DIN 908 - Pipe Nipples and Pipe:
NPTF: Use Schedule 40 stainless steel - Flanges:
NPTF: Use Class 150 stainless steel
316 Stainless Steel | |||||
|---|---|---|---|---|---|
| Pipe Size | Drive Size | Max. Pressure | Max. Steam Pressure | Each | |
NPTF Male Hollow with Magnet | |||||
| 1/8 | 3/16" | 270 psi @ 72° F | 180 psi @ 360° F | 0000000 | 00000 |
| 1/4 | 1/4" | 270 psi @ 72° F | 180 psi @ 360° F | 0000000 | 0000 |
| 3/8 | 5/16" | 270 psi @ 72° F | 180 psi @ 360° F | 0000000 | 0000 |
| 1/2 | 3/8" | 270 psi @ 72° F | 180 psi @ 360° F | 0000000 | 0000 |
| 3/4 | 9/16" | 270 psi @ 72° F | 180 psi @ 360° F | 0000000 | 0000 |
| 1 | 5/8" | 270 psi @ 72° F | 180 psi @ 360° F | 0000000 | 00000 |
| 1 1/4 | 3/4" | 270 psi @ 72° F | 180 psi @ 360° F | 0000000 | 00000 |
| 1 1/2 | 1" | 270 psi @ 72° F | 180 psi @ 360° F | 0000000 | 00000 |
| 2 | 1" | 270 psi @ 72° F | 180 psi @ 360° F | 0000000 | 00000 |
| 2 1/2 | 1" | 270 psi @ 72° F | 180 psi @ 360° F | 0000000 | 000000 |
Magnetic Spill-Control Drain Covers
Stop oil, chemicals, and other spills from going down the drain with these magnetic covers. Powerful magnets hold them in place on metal grates and drains for a tight seal that stays put. The durable vinyl construction won’t tear or degrade from exposure to spills or repeated washing.
| Dia. | Thick. | Material | Color | Each | |
| 12" | 1/4" | Vinyl Plastic | Yellow | 0000000 | 000000 |