About On/Off Valves
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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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Low-Pressure Press-Connect Steel Unthreaded Pipe Fittings
- For Use On:
EPDM Rubber O-Ring: Ethylene Glycol, Propylene Glycol, Water
Buna-N Rubber O-Ring: Air, Lubricants, Propane, Fuel Oil, Natural Gas, Diesel Fuel - Specifications Met:
EPDM Rubber O-Ring: ASME B31,1, ASME B31.3, ASME B31.9, FM 1920, UL 213
Buna-N Rubber O-Ring: ASME B31.1, ASME B31.3, ASME B31.9, ANSI LC4/CSA 6.32, International Fuel Gas Code - Maximum Pressure:
EPDM Rubber O-Ring: 200 psi @ 72° F
Buna-N Rubber O-Ring: 125 psi @ 72° F - Pipe Nipples and Pipe: Use Schedule 40 Steel
- Flanges: Use Class 150 Steel
Crimp these fittings onto steel pipe to form a tightly sealed connection that’s faster than threading or welding and doesn’t require heat. An internal gripping ring and rubber O-ring create a secure seal when crimped. They are designed to leak if fittings have not been crimped; a colored dot marks the leak path so it's easy to spot unsealed connections. These steel fittings are coated in zinc-nickel to resist corrosion, but will rust if frequently exposed to saltwater or harsh chemicals. They are comparable to Viega MegaPress steel fittings.
Fittings meet ASME B31 code requirements for use in pressure piping systems.
Buna-N rubber O-rings hold up to natural gas, propane, diesel fuel, lubricants, and other oils. Fittings with these O-rings are often used in fuel gas systems and air lines. They meet the ANSI LC4/CSA 6.32 standard for fuel gas systems and comply with the International Fuel Gas Code.
Connectors with center stop have a small internal ridge that prevents the pipe from sliding too far into the fitting. Insert the pipe on each side of the connection up to the center stop to ensure a tight seal.
Unions separate into three pieces. Unscrew and remove the center nut for quick access to a line.
Inline tees are also known as branch tees.
Buna-N Rubber O-Ring | |||
|---|---|---|---|
Pipe Size | Socket Dp. | Each | |
NPT Threads | |||
| 3/4 | 0.188" | 00000000 | 000000 |
Crimping tools seal fittings in less than five seconds. These tools are cordless, so you can take them to any job. Connect the jaw or ring that matches your pipe size to these tools, then pull the trigger to crimp the fitting. The pivoting head lets you access connections from any angle.
Battery | |||||||
|---|---|---|---|---|---|---|---|
| Voltage | No. Included | Cap., amp-hrs. | Battery Charger Included | Battery Charging Time, min. | Compatible With | Each | |
| 18V DC | 2 | 3 | Yes | 39 | Viega MegaPress Viega ProPress Viega ProPress XL-C | 00000000 | 000000000 |
Jaw and ring sets include three jaws, three rings, and one ring actuator jaw. Jaws are for pipe sizes 1/2 to 1; they fit directly into the crimping tool. Rings are for pipe sizes 1 1/4 to 2; clip the ring around the fitting and use the ring actuator jaw and crimping tool to press the open ends together.
For Pipe | ||||||||
|---|---|---|---|---|---|---|---|---|
| Size | Material | For Manufacturer | For Manufacturer Model No. | Compatible With | Includes | Container Type | Each | |
| 1/2, 3/4, 1, 1 1/4, 1 1/2, 2 | Stainless Steel, Steel | Ridgid | RP 340 | Viega MegaPress | One Ring Actuator Jaw Three Jaws (1/2-1 Pipe Size) Three Rings (1 1/4-2 Pipe Size) | Carrying Case | 00000000 | 000000000 |
On/Off Valves with Press-Connect Fittings
Crimp these valves to metal tubing for a permanent, leak-tight connection that doesn’t require heat or soldering. All are full port, so they do not restrict flow. Choose a crimping tool based on your valve's compatibility: Viega ProPress or Viega MegaPress.
Bronze valves resist corrosion better than brass and zinc-nickel-plated steel valves. Valves with Buna-N rubber seals stand up to water, oil, fuel, and lubricants, so they work well in fuel gas systems and air lines. They meet ANSI standards for fuel gas systems and comply with the International Fuel Gas Code.
Fix lockable lever handles in place using a padlock (not included).
Valves that meet ASME B31 code requirements adhere to standards for pressure piping systems.
Flow coefficient (Cv) is the amount of water (in gallons per minute) at 60° F that will flow through a fully open valve with a difference of 1 psi between the inlet and the outlet.
- Valve Type: Ball
- For Use With: Air, Butane, Diesel Fuel, Natural Gas, Oil, Propane
- Pipe: Use Schedule 10, 40 steel
- Seal Material: Buna-N Rubber
- Specifications Met: ANSI LC4/CSA 6.32, ASME B31.1, ASME B31.3, ASME B31.9, International Fuel Gas Code
- Compatible With: Viega MegaPress
| Pipe Size | Flow Coefficient (Cv) | Max. Pressure | Temperature Range, °F | End-to-End Lg. | For Max. Shackle Dia. | Each | |
Press Connect × Press Connect | |||||||
|---|---|---|---|---|---|---|---|
| 1/2 | 15 | 125 psi @ 100° F | -40° to 180° | 5 3/16" | 1/4" | 0000000 | 000000 |
| 3/4 | 33 | 125 psi @ 100° F | -40° to 180° | 5 9/16" | 1/4" | 0000000 | 000000 |
| 1 | 46 | 125 psi @ 100° F | -40° to 180° | 6 1/4" | 1/4" | 0000000 | 000000 |
| 1 1/4 | 93 | 125 psi @ 100° F | -40° to 180° | 7 1/2" | 1/4" | 0000000 | 000000 |
| 1 1/2 | 124 | 125 psi @ 100° F | -40° to 180° | 7 15/16" | 1/4" | 0000000 | 000000 |
| 2 | 246 | 125 psi @ 100° F | -40° to 180° | 8 11/16" | 1/4" | 0000000 | 000000 |