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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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High-Pressure Brass Threaded Pipe Fittings
These fittings have the strength to handle high-pressure applications. They are brass for good corrosion resistance.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Natural Gas, Oil, Water
High-Pressure Brass Threaded
Pipe Fittings with Sealant
Not only do these fittings have the strength to handle high-pressure applications, the male threads have a sealant applied for extra protection against leaks. Fittings are brass for good corrosion resistance.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Natural Gas, Oil, Water
High-Pressure Brass Threaded
Pipe Fittings for Drinking Water
Use these heavy duty fittings for high-pressure drinking water applications. They are brass which has good corrosion resistance. They meet NSF/ANSI 61 safety standards for use with drinking water systems.
NPTF (Dryseal) threads are compatible with NPT threads.
For technical drawings and 3-D models, click on a part number.
High-Pressure Plated Brass Threaded Pipe Fittings
The plating on these brass fittings creates a shiny finish and provides extra protection in corrosive environments. Fittings have the strength to handle high-pressure applications.
Nickel-plated brass fittings provide better corrosion resistance than unplated brass fittings. Black zinc-plated brass fittings have a shiny finish that offers better corrosion resistance than nickel-plated brass and stands up to salt-spray applications. Chrome-plated brass fittings have a mirror-like finish and provide better corrosion resistance than nickel- and black zinc-plated brass.
NPTF (Dryseal) threads are compatible with NPT threads.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Natural Gas, Oil, Water
| Pipe Size | Drive Size | Max. Pressure | Each | |
Nickel-Plated Brass | ||||
|---|---|---|---|---|
NPTF Male | ||||
| 1/8 | 3/16" | 1,000 psi @ 72° F | 0000000 | 00000 |
| 1/4 | 1/4" | 1,000 psi @ 72° F | 0000000 | 0000 |
| 3/8 | 5/16" | 1,000 psi @ 72° F | 0000000 | 0000 |
| 1/2 | 3/8" | 1,000 psi @ 72° F | 0000000 | 0000 |
Black Zinc-Plated Brass | ||||
NPTF Male | ||||
| 1/8 | 3/16" | 1,000 psi @ 72° F | 0000000 | 0000 |
| 1/4 | 1/4" | 1,000 psi @ 72° F | 0000000 | 0000 |
| 3/8 | 5/16" | 1,000 psi @ 72° F | 0000000 | 0000 |
| 1/2 | 3/8" | 1,000 psi @ 72° F | 0000000 | 0000 |
Chrome-Plated Brass | ||||
NPTF Male | ||||
| 1/8 | 3/16" | 1,000 psi @ 72° F | 0000000 | 0000 |
| 1/4 | 1/4" | 1,000 psi @ 72° F | 0000000 | 0000 |
| 3/8 | 5/16" | 1,000 psi @ 72° F | 0000000 | 0000 |
| 1/2 | 3/8" | 1,000 psi @ 72° F | 0000000 | 0000 |
Low-Pressure Brass and Bronze Threaded Pipe Fittings
Use these fittings in low-pressure flow applications. They have good corrosion resistance. Fittings rated for use with drinking water meet NSF/ANSI 61 safety standards.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Drinking Water, Natural Gas, Oil
- Class: 125
- Specifications Met: ANSI/ASME B1.20.1, ANSI/ASME B16.15, NSF/ANSI 61
- Pipe Nipples and Pipe: Use Schedule 40 brass
- Flanges: Use Class 150 brass
| Pipe Size | Plug Construction | Max. Pressure | Material | Each | |
NPT Male | |||||
|---|---|---|---|---|---|
| 1/2 | Solid | 200 psi @ 72° F | Brass | 00000000 | 00000 |
| 3/4 | Solid | 200 psi @ 72° F | Brass | 00000000 | 0000 |
| 1 | Solid | 200 psi @ 72° F | Brass | 00000000 | 00000 |
| 1 1/4 | Solid | 200 psi @ 72° F | Brass | 00000000 | 00000 |
| 1 1/2 | Solid | 200 psi @ 72° F | Brass | 00000000 | 00000 |
| 2 | Solid | 200 psi @ 72° F | Brass | 00000000 | 00000 |
| 2 1/2 | Solid | 200 psi @ 72° F | Brass | 00000000 | 00000 |
| 3 | Solid | 200 psi @ 72° F | Brass | 00000000 | 000000 |
| 4 | Solid | 200 psi @ 72° F | Brass | 00000000 | 000000 |
Low-Pressure Brass Threaded Pipe Fittings with Sealant
The male threads on these fittings have a sealant applied for extra protection against leaks. Also known as Class 125 fittings, they are built for use in low-pressure applications. They are brass for good corrosion resistance.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Natural Gas, Oil, Water
- Class: 125
- Specifications Met: ANSI/ASME B1.20.1, ANSI/ASME B16.15
- Pipe Nipples and Pipe: Use Schedule 40 brass
- Flanges: Use Class 150 brass
Extreme-Pressure Brass Threaded Pipe Fittings
Extreme pressures are no problem for these heavy-duty fittings. They are brass for good corrosion resistance.
Nickel-plated brass fittings have better corrosion resistance than plain brass fittings. BSPP male threads have a gasket and washer to protect against leaks.
For technical drawings and 3-D models, click on a part number.
Threads with
Gasket and Washer
- For Use With: Air, Water
- Specifications Met:
BSPP: ISO 7.1, ISO 228
BSPT: DIN 906, ISO 7.1, ISO 228
| Pipe Size | Drive Size | Max. Pressure | Material | Each | |
BSPP Male | |||||
|---|---|---|---|---|---|
| 1/8 | 5 mm | 2,900 psi @ 72° F | Nickel-Plated Brass | 00000000 | 00000 |
| 1/4 | 6 mm | 2,100 psi @ 72° F | Nickel-Plated Brass | 00000000 | 0000 |
| 3/8 | 8 mm | 1,400 psi @ 72° F | Nickel-Plated Brass | 00000000 | 0000 |
| 1/2 | 10 mm | 1,400 psi @ 72° F | Nickel-Plated Brass | 00000000 | 00000 |
BSPT Male | |||||
| 1/8 | 5 mm | 2,900 psi @ 72° F | Nickel-Plated Brass | 00000000 | 0000 |
| 1/4 | 6 mm | 2,100 psi @ 72° F | Nickel-Plated Brass | 00000000 | 0000 |
| 3/8 | 8 mm | 1,400 psi @ 72° F | Nickel-Plated Brass | 00000000 | 0000 |
| 1/2 | 10 mm | 1,400 psi @ 72° F | Nickel-Plated Brass | 00000000 | 0000 |
| 3/4 | 12 mm | 1,700 psi @ 72° F | Brass | 00000000 | 00000 |
Precision Extreme-Pressure
Brass Threaded Pipe Fittings
Also known as instrumentation fittings, these have the most precise threads and the tightest tolerances of all the brass pipe fittings we offer. The male threads are rolled for excellent strength in extreme-pressure applications. Fittings are brass for good corrosion resistance.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Argon, Natural Gas, Nitrogen Gas, Oil, Oxygen, Steam, Water
- Specifications Met: ANSI/ASME B1.20.1, ANSI/ASME B31.1, ANSI/ASME B31.3