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 Stainless Steel Threaded Pipe Fittings
Use these fittings in a low-pressure pipe line.
Fittings that meet ANSI/MSS SP-114 adhere to high-quality standards for heat treating, material thickness, and marking. 304 stainless steel fittings have very good corrosion resistance. 316 stainless steel fittings have excellent corrosion resistance.
Threaded female x butt weld straight adapters are also known as half couplings. Adapters with weld end allow for a permanent connection.
- For Use With: Air, Natural Gas, Oil, Steam, Water
- Pressure Class: 150
- Fabrication: Heat Treated
- Specifications Met:
NPT × Butt Weld: ANSI/MSS SP-114, ASTM A351
BSPT × Butt Weld: ANSI/MSS SP-114 - Pipe Nipples and Pipe: Use Schedule 40 stainless steel
- Flanges: Use Class 150 stainless steel
High-Pressure Stainless Steel Threaded Pipe Fittings
Use these heavy duty fittings in high-pressure flow applications.
304 stainless steel fittings have very good corrosion resistance. 316 stainless steel fittings have excellent corrosion resistance. Threaded female x butt weld straight adapters are also known as half couplings.
- For Use With: Air, Hydraulic Fluid, Natural Gas, Oil, Steam, Water
- Pressure Class: 3000
- Specifications Met: ASTM A182, ASME B16.11
- Pipe Nipples and Pipe: Use Schedule 80 stainless steel
Medium-Pressure Stainless Steel Threaded Pipe Fittings
Choose these fittings when you want the same high-quality found in our low-pressure pipe fittings, but need more strength to handle higher pressures.
Fittings that meet ANSI/MSS SP-114 adhere to high-quality standards for heat treating, material thickness, and marking.
304 stainless steel fittings have very good corrosion resistance.
316 stainless steel fittings have excellent corrosion resistance.
Threaded female x butt weld straight adapters are also known as half couplings.
- For Use With: Air, Natural Gas, Oil, Steam, Water
- Pressure Class : 1000
- Specifications Met: ANSI/MSS SP-114, ASTM A182
- Pipe Nipples and Pipe: Use Schedule 40 stainless steel
- Flanges: Use Class 150 stainless steel