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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Brass and Bronze Unthreaded Pipe Flanges
Bolt these flanges to equipment or to another same-size, flat-surface flange with a gasket (sold separately). They have good corrosion resistance.
Socket-connect flanges braze onto unthreaded pipe with a brazing ring (sold separately) for a strong, leak-resistant connection. They are also known as Silbraze flanges.
- For Use With: Air, Natural Gas, Oil, Water, Steam
- Specifications Met: MIL-F-1183
- Pipe Nipples and Pipe: Use Schedule 40 brass
Flanges | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Bolt Hole | Brazing Rings | |||||||||||
| Pipe Size  | Flange OD | For Bolt Dia. | Dia. | No. of | Bolt Circle Dia. | Max. Pressure | Max. Steam Pressure | Material | Each | Each | ||
| 1/2 | 3 1/2" | 1/2" | 5/8" | 4 | 2 3/8" | 200 psi @ 72° F | 200 psi @ 425° F | Bronze | 0000000 | 0000000 | 0000000 | 00000 |
| 3/4 | 3 7/8" | 1/2" | 5/8" | 4 | 2 3/4" | 200 psi @ 72° F | 200 psi @ 425° F | Bronze | 0000000 | 000000 | 0000000 | 0000 |
| 1 | 4 1/4" | 1/2" | 5/8" | 4 | 3 1/8" | 200 psi @ 72° F | 200 psi @ 425° F | Bronze | 0000000 | 000000 | 0000000 | 0000 |
| 1 1/2 | 5" | 1/2" | 5/8" | 4 | 3 7/8" | 200 psi @ 72° F | 200 psi @ 425° F | Bronze | 0000000 | 000000 | 0000000 | 0000 |
| 2 | 6" | 5/8" | 3/4" | 4 | 4 3/4" | 200 psi @ 72° F | 200 psi @ 425° F | Bronze | 0000000 | 000000 | 0000000 | 0000 |
Solder-Connect Fittings for Copper Tubing
- Temperature Range: 32° to 200° F
Solder these fittings to copper tubing or the tube end of another fitting for a permanent, leak-tight connection. They are also known as sweat fittings. Fittings have good corrosion resistance. To adhere to safety standards for drinking water systems, use fittings that meet NSF/ANSI 61 or EN 1057.
Copper tube size is the accepted designation of the copper tubing industry, not the actual tube OD.
- For Use With: Drinking Water
- Tubing: Use with K, M, L copper
- Specifications Met: See table
Fittings with flange end bolt to equipment or another same-size flange to create an access point within a line.
| Copper Tube Size | For Tube OD | Flange OD | Bolt Circle Dia. | Number of Bolt Holes | Bolt Hole Diameter | For Bolt Diameter | Bolts Included | Material | Max. Pressure | Specifications Met | Each | |
| 1 | 1 1/8" | 4 1/4" | 3 1/8" | 4 | 5/8" | 1/2" | No | Brass | 400 psi @ 72° F | ASME B16.18, NSF/ANSI 61 | 00000000 | 000000 |
| 1 1/4 | 1 3/8" | 4 5/8" | 3 1/2" | 4 | 5/8" | 1/2" | No | Brass | 400 psi @ 72° F | ASME B16.18, NSF/ANSI 61 | 00000000 | 000000 |
| 1 1/2 | 1 5/8" | 5" | 3 7/8" | 4 | 5/8" | 1/2" | No | Brass | 400 psi @ 72° F | ASME B16.18, NSF/ANSI 61 | 00000000 | 000000 |
| 2 | 2 1/8" | 6" | 4 3/4" | 4 | 3/4" | 5/8" | No | Brass | 300 psi @ 72° F | ASME B16.18, NSF/ANSI 61 | 00000000 | 000000 |
| 2 1/2 | 2 5/8" | 7" | 5 1/2" | 4 | 3/4" | 5/8" | No | Brass | 300 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 000000 |
| 3 | 3 1/8" | 7 1/2" | 6" | 4 | 3/4" | 5/8" | No | Brass | 300 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 000000 |
Press-Connect Fittings for Copper Tubing
- For Use With: Drinking Water
- Maximum Pressure: Fittings compatible with Viega ProPress or Viega ProPress XL-C: 200 psi @ 72° F
Fittings compatible with Viega Pex or Viega PureFlow Press: 100 psi @ 72° F - Temperature Range: 0° to 250° F
- Tubing: Fittings compatible with Viega ProPress or Viega ProPress XL-C: Use with K, M, L copper
Fittings compatible with Viega Pex or Viega PureFlow Press: Use with hard polyethylene plastic - Specifications Met: See table
Crimp these fittings to copper tubing with a crimping tool (sold separately). An O-ring on the inside of the fitting creates a leak-tight connection that doesn’t require heat or soldering. They are comparable to Viega ProPress fittings. Fittings have good corrosion resistance. They meet NSF/ANSI safety standards for use with drinking water systems.
Copper tube size is the accepted designation of the copper tubing industry, not the actual tube OD.
Straight adapters with flanged end bolt to equipment or other flanged connections found on pumps and valves to create a convenient access point.
Bolt Hole | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Copper Tube Size | For Tube OD | Pipe Size | Flange OD | Bolt Circle Dia. | Dia. | No. of | For Bolt Dia. | Bolts Included | Lg. | Material | Flange Material | Compatible With | Specifications Met | Each | |
| 1 | 1 1/8" | 1 | 4 21/64" | 3 7/64" | 5/8" | 4 | 1/2" | No | 2 49/64" | Bronze | Powder-Coated Steel | Viega ProPress | ASME B16.51, ASME B31.1, ASME B31.3, ASME B31.9, FM Approved, NSF/ANSI 61 | 00000000 | 0000000 |
| 1 1/4 | 1 3/8" | 1 1/4 | 4 17/32" | 3 1/2" | 5/8" | 4 | 1/2" | No | 2 49/64" | Bronze | Powder-Coated Steel | Viega ProPress | ASME B16.51, ASME B31.1, ASME B31.3, ASME B31.9, FM Approved, NSF/ANSI 61 | 00000000 | 000000 |
| 1 1/2 | 1 5/8" | 1 1/2 | 4 59/64" | 3 55/64" | 5/8" | 4 | 1/2" | No | 3 1/16" | Bronze | Powder-Coated Steel | Viega ProPress | ASME B16.51, ASME B31.1, ASME B31.3, ASME B31.9, FM Approved, NSF/ANSI 61 | 00000000 | 000000 |
| 2 | 2 1/8" | 2 | 5 29/32" | 4 49/64" | 3/4" | 4 | 5/8" | No | 3 21/32" | Bronze | Powder-Coated Steel | Viega ProPress | ASME B16.51, ASME B31.1, ASME B31.3, ASME B31.9, FM Approved, NSF/ANSI 61 | 00000000 | 000000 |
Jaws for copper tube sizes ½ to 2 fit directly into the included crimping tool.
Battery | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| For Copper Tube Size | For Tube OD | Voltage | No. Included | Cap., amp-hrs. | Battery Charger Included | Battery Charging Time, min. | Compatible With | Specifications Met | Each | |
| 1/2, 3/4, 1, 1 1/4, 1 1/2, 2 | 5/8", 7/8", 1 1/8", 1 3/8", 1 5/8", 2 1/8" | 18V DC | 2 | 3 | Yes | 39 | Viega ProPress | EMC 2011/65/EU, EMC 2014/30/EU, IEC 62841-1, UL 62841-1 | 00000000 | 000000000 |