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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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Standard-Wall Brass Threaded Pipe Nipples and Pipe
Also known as Schedule 40, this pipe is for use in low-pressure flow applications. It is brass, which offers good corrosion resistance. Pipe is seamless and has a smooth interior for unrestricted flow.
Fully threaded pipe is also known as a close nipple; it is threaded on each end to the center.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Drinking Water, Natural Gas, Oil, Steam, Water
- Specifications Met: ASTM B687, NSF/ANSI Standard 61 for Drinking Water
- Fittings: Use Class 125 brass or bronze
- Flanges: Use Class 150 brass or bronze
| Pipe Size | Lg. | Construction | Each | |
| 1/8 | 3/4" | Seamless | 00000000 | 00000 |
| 1/4 | 7/8" | Seamless | 00000000 | 0000 |
| 3/8 | 1" | Seamless | 00000000 | 0000 |
| 1/2 | 1 1/8" | Seamless | 00000000 | 0000 |
| 3/4 | 1 3/8" | Seamless | 00000000 | 0000 |
| 1 | 1 1/2" | Seamless | 00000000 | 0000 |
| 1 1/4 | 1 5/8" | Seamless | 00000000 | 0000 |
| 1 1/2 | 1 3/4" | Seamless | 00000000 | 0000 |
| 2 | 2" | Seamless | 00000000 | 00000 |
| 2 1/2 | 2 1/2" | Seamless | 00000000 | 00000 |
| 3 | 2 5/8" | Seamless | 00000000 | 00000 |
| 4 | 2 7/8" | Seamless | 00000000 | 00000 |
- For Use With: Air, Natural Gas, Oil, Steam, Water
- Specifications Met: ASTM B687, BS21
- Fittings: Use Class 125 brass or bronze
- Flanges: Use Class 150 brass or bronze
- For Use With: Air, Natural Gas, Oil, Steam, Water
- Specifications Met: BS21, ANSI/ASME B1.20.1, ASTM B687
- Fittings: Use Class 125 brass or bronze
- Flanges: Use Class 150 brass or bronze
Standard-Wall Brass Threaded
Pipe Nipples and Pipe with Sealant
The threads on this Schedule 40 pipe have a sealant applied for extra leak protection in low-pressure applications. Pipe is brass, which offers good corrosion resistance. It is seamless and has a smooth interior for unrestricted flow.
Fully threaded pipe is also known as a close nipple; it is threaded on each end to the center.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Natural Gas, Oil, Water
- Specifications Met: ASTM B687
- Fittings: Use Class 125 brass
- Flanges: Use Class 150 brass
Standard-Wall Chrome-Plated Brass
Threaded Pipe Nipples and Pipe
The polished chrome plating gives this brass pipe a bright, shiny appearance and provides extra corrosion resistance. Also known as Schedule 40 pipe, it is commonly used in low-pressure applications. Pipe is seamless so it has a smooth interior for unrestricted flow.
Fully threaded pipe is also known as a close nipple; it is threaded on each end to the center.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Natural Gas, Oil, Steam, Water
- Specifications Met: ASTM B43, ASTM B687, ASTM B456
- Fittings: Use Class 125 brass
High-Pressure Brass Threaded Pipe Nipples and Pipe
Use this extra-strong pipe in a high-pressure line. It is brass for good corrosion resistance.
Fully threaded pipe is also known as a close nipple; it is threaded on each end to the center.
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 Nipples and Pipe with Sealant
Not only does this pipe have the strength to handle high-pressure applications, the threads have a sealant applied for extra protection against leaks. Pipe is brass for good corrosion resistance.
Fully threaded pipe is also known as a close nipple; it is threaded on each end to the center.
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
Nipples and Pipe for Drinking Water
Use this heavy duty pipe for high-pressure drinking water applications. It is brass, which has good corrosion resistance. It meets NSF/ANSI 61 safety standards for use with drinking water systems.
Fully threaded pipe is also known as a close nipple; it is threaded on each end to the center.
For technical drawings and 3-D models, click on a part number.
High-Pressure Plated Brass
Threaded Pipe Nipples and Pipe
The plating on this pipe creates a shiny finish and provides extra protection in corrosive environments. It has the strength to handle high-pressure applications.
Nickel-plated brass pipe provides better corrosion resistance than unplated brass. Black zinc–plated brass pipe has a shiny finish that offers better corrosion resistance than nickel-plated brass and stands up to salt-spray applications. Chrome-plated brass pipe has a mirror-like finish and provides better corrosion resistance than nickel- and black zinc–plated brass.
Fully threaded pipe is also known as a close nipple; it is threaded on each end to the center.
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 | Lg. | Thread Type | Max. Pressure | Each | |
Nickel-Plated Brass | |||||
|---|---|---|---|---|---|
| 1/8 | 3/4" | NPTF | 1,000 psi @ 72° F | 0000000 | 00000 |
| 1/4 | 7/8" | NPTF | 1,000 psi @ 72° F | 0000000 | 0000 |
| 3/8 | 1" | NPTF | 1,000 psi @ 72° F | 0000000 | 0000 |
| 1/2 | 1 1/8" | NPTF | 1,000 psi @ 72° F | 0000000 | 0000 |
Black Zinc-Plated Brass | |||||
| 1/8 | 3/4" | NPTF | 1,000 psi @ 72° F | 0000000 | 0000 |
| 1/4 | 7/8" | NPTF | 1,000 psi @ 72° F | 0000000 | 0000 |
| 3/8 | 1" | NPTF | 1,000 psi @ 72° F | 0000000 | 0000 |
| 1/2 | 1 1/8" | NPTF | 1,000 psi @ 72° F | 0000000 | 0000 |
Chrome-Plated Brass | |||||
| 1/8 | 3/4" | NPTF | 1,000 psi @ 72° F | 0000000 | 0000 |
| 1/4 | 7/8" | NPTF | 1,000 psi @ 72° F | 0000000 | 0000 |
| 3/8 | 1" | NPTF | 1,000 psi @ 72° F | 0000000 | 0000 |
| 1/2 | 1 1/8" | NPTF | 1,000 psi @ 72° F | 0000000 | 0000 |
Thick-Wall Brass Threaded Pipe Nipples and Pipe
A thick wall gives this Schedule 80 pipe the strength to handle high-pressure applications. It is brass for good corrosion resistance. Pipe is seamless so it has a smooth interior for unrestricted flow.
Fully threaded pipe is also known as a close nipple; it is threaded on each end to the center.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Natural Gas, Oil, Water
- Specifications Met: ASTM B687, ANSI/ASME B1.20.1, ASTM B43
- Fittings: Use Class 250 brass
| Pipe Size | Lg. | Thread Type | Construction | Each | |
| 1/8 | 3/4" | NPT | Seamless | 0000000 | 00000 |
| 1/4 | 7/8" | NPT | Seamless | 0000000 | 0000 |
| 3/8 | 1" | NPT | Seamless | 0000000 | 0000 |
| 1/2 | 1 1/8" | NPT | Seamless | 0000000 | 0000 |
| 3/4 | 1 3/8" | NPT | Seamless | 0000000 | 0000 |
| 1 | 1 1/2" | NPT | Seamless | 0000000 | 00000 |
| 1 1/4 | 1 5/8" | NPT | Seamless | 0000000 | 00000 |
| 1 1/2 | 1 3/4" | NPT | Seamless | 0000000 | 00000 |
| 2 | 2" | NPT | Seamless | 0000000 | 00000 |
| 2 1/2 | 2 1/2" | NPT | Seamless | 00000000 | 00000 |
Precision Extreme-Pressure Brass
Threaded Pipe Nipples and Pipe
- 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
This pipe has the most precise threads and the tightest tolerances of all the brass pipe we offer. It has rolled threads for excellent strength in extreme-pressure applications. Pipe is brass for good corrosion resistance. Also known as a close nipple, it is threaded on each end to the center.
For technical drawings and 3-D models, click on a part number.
| Pipe Size | Lg. | Thread Type | Max. Pressure | Max. Steam Pressure | Each | |
| 1/8 | 3/4" | NPT | 5,600 psi @ 72° F | 1,500 psi @ 300° F | 00000000 | 00000 |
| 1/4 | 1 1/8" | NPT | 4,100 psi @ 72° F | 1,500 psi @ 300° F | 00000000 | 0000 |
| 3/8 | 1 1/8" | NPT | 4,000 psi @ 72° F | 1,500 psi @ 300° F | 00000000 | 0000 |
| 1/2 | 1 1/2" | NPT | 3,900 psi @ 72° F | 1,500 psi @ 300° F | 00000000 | 0000 |
| 3/4 | 1 1/2" | NPT | 3,800 psi @ 72° F | 1,500 psi @ 300° F | 00000000 | 00000 |