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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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About Backflow-Prevention Valves
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About On/Off Valves
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About Flow-Adjustment Valves
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Plastic Threaded On/Off Valves with Garden Hose Outlet
- Valve Type: Ball
- For Use With: Air, Argon, Helium, Krypton, Neon, Water, Xenon
- Seat Material:
NPT Male × GHT Male: Buna-N Rubber
All Other Valves: PTFE Plastic
Use these valves with garden hose and other landscaping equipment. They are full port, so they do not restrict flow.
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.
For technical drawings and 3-D models, click on a part number.
| Pipe Size | Hose Size | Flow Coefficient (Cv) | Max. Pressure | Temperature Range, °F | End-to-End Lg. | Each | |
Light Gray PVC Plastic Body | |||||||
|---|---|---|---|---|---|---|---|
NPT Female × GHT Female | |||||||
| 3/4 | 3/4 | Not Rated | 125 psi @ 140° F | 35° to 140° | 2 15/16" | 0000000 | 000000 |
NPT Female × GHT Male | |||||||
| 3/4 | 3/4 | Not Rated | 125 psi @ 140° F | 35° to 140° | 2 15/16" | 0000000 | 00000 |
NPT Male × GHT Female | |||||||
| 1/2 | 3/4 | Not Rated | 125 psi @ 140° F | 35° to 140° | 2 3/4" | 0000000 | 00000 |
| 3/4 | 3/4 | Not Rated | 125 psi @ 140° F | 35° to 140° | 2 15/16" | 0000000 | 00000 |
NPT Male × GHT Male | |||||||
| 3/4 | 3/4 | 8 | 125 psi @ 140° F | 35° to 140° | 2 1/16" | 0000000 | 0000 |
GHT Female × GHT Male | |||||||
| __ | 3/4 | 12.3 | 125 psi @ 140° F | 35° to 140° | 2 15/16" | 0000000 | 00000 |
Threaded On/Off Valves with Garden Hose Outlet for Drinking Water
- Valve Type: Ball
- For Use With: Drinking Water
- Seal Material: PTFE Plastic
- Specifications Met: NSF/ANSI 61
Often used with garden hose and other landscaping equipment, these valves meet NSF/ANSI 61 for use with drinking water. They are full port, so they do not restrict flow.
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.
For technical drawings and 3-D models, click on a part number.
Threaded Flow-Adjustment Valves with Garden Hose Outlet
- Valve Type: Globe
- For Use With: Water, Oil
These valves have an NPT inlet and a GHT outlet for attaching garden hose. They gradually open and close with multiple turns of the wheel handle to adjust and regulate flow. All have a nonrising stem that stays in the same position whether the valve is open or closed.
Lockouts (sold separately) thread over the valve outlet and lock in place with a padlock (not included) to prevent unauthorized water use.
For technical drawings and 3-D models, click on a part number.
| Pipe Size | Hose Size | Max. Pressure | Temperature Range, °F | Port-to-Port Lg. | Stem Type | Each | |
Brass Body | |||||||
|---|---|---|---|---|---|---|---|
NPT Female × GHT Male | |||||||
| 1/2 | 3/4 | 125 psi @ 100° F | 40° to 180° | 1 1/2" | Nonrising | 0000000 | 000000 |
| 3/4 | 3/4 | 125 psi @ 100° F | 40° to 180° | 1 1/2" | Nonrising | 0000000 | 00000 |
NPT Male × GHT Male | |||||||
| 1/2 | 3/4 | 125 psi @ 100° F | 40° to 180° | 1 9/16" | Nonrising | 0000000 | 00000 |
| 3/4 | 3/4 | 125 psi @ 100° F | 40° to 180° | 1 9/16" | Nonrising | 0000000 | 00000 |
| Optional Brass Lockout | 0000000 | Each | 000000 |
Plastic Threaded Flow-Adjustment Valves with Garden Hose Outlet
- Valve Type: Globe
- For Use With: Water
For a lightweight and corrosion-resistant alternative to metal, these valves are plastic. With an NPT inlet and a GHT outlet, they are often attached to garden hose. All gradually open and close with multiple turns of the wheel handle to adjust and regulate flow. Their nonrising stem stays in the same position whether the valve is open or closed.
| Pipe Size | Hose Size | Max. Pressure | Temperature Range, °F | End-to-End Lg. | Port-to-Port Length | Overall Height | Stem Type | Each | |
Acetal Plastic Body—Straight | |||||||||
|---|---|---|---|---|---|---|---|---|---|
NPT Female × GHT Male | |||||||||
| 1/2 | 3/4 | 100 psi @ 140° F | 40° to 140° | 2 3/16" | __ | 4 9/16" | Nonrising | 0000000 | 00000 |
| 3/4 | 3/4 | 100 psi @ 140° F | 40° to 140° | 2 3/16" | __ | 4 9/16" | Nonrising | 0000000 | 0000 |
NPT Male × GHT Male | |||||||||
| 1/2 | 3/4 | 100 psi @ 140° F | 40° to 140° | 2 3/16" | __ | 3 15/16" | Nonrising | 0000000 | 0000 |
| 3/4 | 3/4 | 100 psi @ 140° F | 40° to 140° | 2 3/16" | __ | 3 15/16" | Nonrising | 0000000 | 0000 |
Acetal Plastic Body—70° Elbow | |||||||||
NPT Female × GHT Male | |||||||||
| 1/2 | 3/4 | 100 psi @ 140° F | 40° to 140° | 2 3/16" | 2" | 4 3/8" | Rising | 0000000 | 0000 |
| 3/4 | 3/4 | 100 psi @ 140° F | 40° to 140° | 2 3/16" | 1 7/16" | 4 5/16" | Nonrising | 0000000 | 0000 |
NPT Male × GHT Male | |||||||||
| 1/2 | 3/4 | 100 psi @ 140° F | 40° to 140° | 2 3/16" | 1 7/16" | 4 5/16" | Nonrising | 0000000 | 0000 |
| 3/4 | 3/4 | 100 psi @ 140° F | 40° to 140° | 2 3/16" | 1 7/8" | 4 5/16" | Nonrising | 0000000 | 0000 |
Vacuum-Breaking Valves with Garden-Hose Fittings
- For Use With: Air, Water
- Seal Material: Rubber
Prevent dirty, contaminated water from backing up into your garden hose line—install these valves between a faucet and a garden hose. Also known as vacuum breakers, these valves have a built-in check valve that blocks backflow, so you can leave your hose in a utility sink full of dirty water without the water going back into the line.
When the check valve is closed, it has vents that open to release the water. This reduces pressure in the line and confirms the valve is working. Because these valves vent water, use them in environments where spilled water won’t cause a problem. This design adheres to ASSE Standard 1011 for valves with a vent.
Mount valves to faucet outlets with a set screw, and easily thread or unthread a hose while the valves stay in place.
Valves comply with Uniform Plumbing Code (UPC) and are CSA certified, so they're safe to use in sanitary plumbing systems because they prevent contamination from flowing backward into your line.
These valves are designed to be used intermittently. They've been tested under ASME A112.1.3, which assumes the valves will not be used for more than 12 hours at a time.
Chrome-plated brass valves are more corrosion resistant than plain brass valves.
Valves with tamper-resistant set screws have a head that breaks off after tightening to prevent valve removal after installation.
Valves that meet NSF/ANSI Standard 372 are certified lead free.
Brass Body | Chrome-Plated Brass Body | |||||||
|---|---|---|---|---|---|---|---|---|
| Hose Size | Max. Pressure | Temperature Range, °F | End-to-End Lg. | Specifications Met | Each | Each | ||
GHT Female × GHT Male | ||||||||
With Set Screw | ||||||||
| 3/4 | 125 psi @ 70° F | 30° to 180° | 1 1/2" | ASSE Standard 1011, CSA Certified, CAN/CSA B64.2, NSF/ANSI 372, UPC Compliant, ASME A112.1.3, ASSE 1001 | 00000000 | 000000 | 00000000 | 000000 |
| 3/4 | 125 psi @ 70° F | 30° to 180° | 1 1/2" | ASSE Standard 1011, CSA Certified, CAN/CSA B64.2, UPC Compliant, ASME A112.1.3, ASSE 1001 | 00000000 | 00000 | 00000000 | 00000 |
With Tamper-Resistant Set Screw | ||||||||
| 3/4 | 125 psi @ 70° F | 30° to 180° | 1 1/2" | ASSE Standard 1011, CSA Certified, CAN/CSA B64.2, NSF/ANSI 372, UPC Compliant, ASME A112.1.3, ASSE 1001 | 00000000 | 00000 | 00000000 | 00000 |
| 3/4 | 125 psi @ 70° F | 30° to 180° | 1 1/2" | ASSE Standard 1011, CSA Certified, CAN/CSA B64.2, UPC Compliant, ASME A112.1.3, ASSE 1001 | 00000000 | 00000 | 00000000 | 00000 |
Quick-Disconnect Garden Hose Couplings
Use these couplings if you need frequent access to a garden hose line—a complete coupling consists of a plug and a socket that connect and disconnect quickly. The compact design makes these couplings sleeker and easier to handle than cam-and-groove garden hose couplings. Couplings have a sleeve-lock socket. Connect by sliding back the sleeve on the socket, inserting the plug, and releasing the sleeve. To disconnect, slide the sleeve back and pull out the plug.
Brass couplings have good corrosion resistance and are softer than 303 stainless steel couplings, so they’re easier to thread together. ABS plastic couplings offer comparable corrosion resistance to 303 stainless steel couplings, but are lighter in weight.
Couplings with shut-off valve have a valve in the socket that stops the flow of water when the coupling is separated.
For technical drawings and 3-D models, click on a part number.
Plug | Socket | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Socket Flow Control | Garden Hose Trade Size | Thread Type | Connection Style | Lg. | Connection Style | Washer Material | Lg. | Each | |
Brass | |||||||||
| With Shut-Off | 3/4 | GHT | Quick Disconnect Male × Threaded Male | 1 27/64" | Quick Disconnect Female × Threaded Female | Buna-N Rubber | 1 11/32" | 00000000 | 000000 |
ABS Plastic | |||||||||
| With Shut-Off | 3/4 | GHT | Quick Disconnect Male × Threaded Male | 1" | Quick Disconnect Female × Threaded Female | TPR Rubber | 2 1/2" | 0000000 | 0000 |
