About On/Off Valves
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Fast-Acting Panel-Mount Threaded On/Off Valves
Start or stop flow with the flip of a toggle switch or the push of a button. These valves are often used in testing and sampling applications where you need to dispense a small amount of liquid. They fit through a cutout, so the body of the valve stays safe inside your instrumentation panel.
Nickel-plated brass valves resist corrosion better than plain brass valves. 316 stainless steel valves stand up to corrosion better than both plain and nickel-plated brass valves.
Manual-return valves stay open until you flip the toggle off. Since they don't need to be held open, they’re often used to dispense larger samples than spring-return valves. It’s also easy to check if these valves are open or not based on the toggle’s position. Spring-return valves automatically close when you release the toggle or push button. They’re ideal for intermittent use and precise flow control to prevent spills.
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.
- Valve Type: Stem
- For Use With: Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon
- Seal Material: See table
| Pipe Size  | Flow Coefficient (Cv) | Max. Pressure | Temperature Range, °F | Return Actuation | Toggle Material | Seal Material | End-to-End Lg. | Panel Cutout Dia. | Each | |
NPTF Female × NPTF Female | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1/8 | 0.3 | 200 psi @ 70° F | -15° to 250° | Manual | Metal | Fluoroelastomer Rubber | 1 7/16" | 9/16" | 0000000 | 000000 |
| 1/4 | 1.2 | 125 psi @ 70° F | -15° to 250° | Manual | Metal | Fluoroelastomer Rubber | 1 7/8" | 9/16" | 0000000 | 00000 |
NPT Male × NPT Male | ||||||||||
| 1/8 | 0.1 | 300 psi @ 200° F | -20° to 200° | Manual | Plastic | PTFE Plastic | 1 3/4" | 17/32" | 0000000 | 00000 |
| 1/4 | 0.2 | 300 psi @ 200° F | -20° to 200° | Manual | Plastic | PTFE Plastic | 2 1/4" | 17/32" | 0000000 | 00000 |
- Valve Type: Stem
- For Use With: See table
- Seal Material: See table
| Pipe Size | Thread Size | Flow Coefficient (Cv) | Max. Pressure | Temperature Range, °F | Valve Starting Position | Return Actuation | Toggle Material | Seal Material | Port-to-Port Lg. | Panel Cutout Dia. | For Use With | Each | |
NPTF Female × NPTF Female | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/8 | __ | 0.3 | 200 psi @ 70° F | -15° to 250° | __ | Manual | Metal | Fluoroelastomer Rubber | 3/4" | 9/16" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon | 0000000 | 000000 |
| 1/4 | __ | 1.2 | 125 psi @ 70° F | -15° to 250° | __ | Manual | Metal | Fluoroelastomer Rubber | 3/4" | 9/16" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon | 0000000 | 00000 |
UNF Female × UNF Female | |||||||||||||
| __ | 10-32 | 6.8 | 150 psi @ 70° F | 35° to 230° | Normally Closed | Spring | Plastic | Buna-N Rubber | 5/16" | 15/32" | Water, Oil, Air | 0000000 | 00000 |
| __ | 10-32 | 7.3 | 150 psi @ 70° F | 35° to 230° | __ | Manual | Metal | Buna-N Rubber | 5/16" | 15/32" | Water, Oil, Air | 0000000 | 00000 |
NPT Male × UNF Female | |||||||||||||
| 1/8 | 10-32 | 7.3 | 150 psi @ 70° F | 35° to 230° | __ | Manual | Metal | Buna-N Rubber | 5/16" | 15/32" | Water, Oil, Air | 0000000 | 00000 |
| 1/8 | 10-32 | 8 | 150 psi @ 70° F | 35° to 230° | __ | Manual | Plastic | Buna-N Rubber | 5/16" | 15/32" | Water, Oil, Air | 0000000 | 00000 |
| 1/8 | 10-32 | 8 | 150 psi @ 70° F | 35° to 230° | Normally Closed | Spring | Metal | Buna-N Rubber | 5/16" | 15/32" | Water, Oil, Air | 0000000 | 00000 |
NPT Male × NPT Male | |||||||||||||
| 1/4 | __ | 0.2 | 300 psi @ 200° F | -20° to 200° | __ | Manual | Plastic | PTFE Plastic | 1" | 17/32" | Water, Air, Argon, Helium, Krypton, Neon, Xenon | 0000000 | 00000 |
- Valve Type: Stem
- For Use With: Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon
- Seal Material: Buna-N Rubber Seal
| Pipe Size | Flow Coefficient (Cv) | Max. Pressure | Temperature Range, °F | Return Actuation | Toggle Material | Port-to-Port Lg. | Panel Cutout Dia. | Each | |
NPT Female × NPT Female | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1/8 | 0.2 | 125 psi @ 70° F | -40° to 180° | Manual | Plastic | 1/2" | 15/32" | 0000000 | 000000 |
- Valve Type: Stem
- For Use With: Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon
- Seal Material: Buna-N Rubber Seal
| Pipe Size | Thread Size | Flow Coefficient (Cv) | Max. Pressure | Temperature Range, °F | Valve Starting Position | Return Actuation | Push-Button Material | Port-to-Port Lg. | Panel Cutout Dia. | Each | |
NPT Female × NPT Female | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/8 | __ | 0.2 | 125 psi @ 70° F | -40° to 180° | Normally Closed | Spring | Plastic | 1/2" | 15/32" | 0000000 | 000000 |
UNF Female × UNF Female | |||||||||||
| __ | 10-32 | 0.1 | 125 psi @ 70° F | -40° to 180° | Normally Closed | Spring | Plastic | 1/4" | 15/32" | 0000000 | 00000 |
- Valve Type: Stem
- For Use With: Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon
- Seal Material: Buna-N Rubber Seal
| Thread Size | Flow Coefficient (Cv) | Max. Pressure | Temperature Range, °F | Valve Starting Position | Return Actuation | Push-Button Material | Port-to-Port Lg. | Panel Cutout Dia. | Each | |
UNF Female × UNF Female | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 10-32 | 0.1 | 125 psi @ 70° F | -40° to 180° | Normally Closed | Spring | Plastic | 5/16" | 15/32" | 0000000 | 000000 |
- Valve Type: Stem
- For Use With: Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon
- Seal Material: PTFE Plastic Seal
- Valve Type: Stem
- For Use With: Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon
- Seal Material: PTFE Plastic Seal
| Pipe Size | Flow Coefficient (Cv) | Max. Pressure | Temperature Range, °F | Return Actuation | Toggle Material | Port-to-Port Lg. | Panel Cutout Dia. | Each | |
NPT Male × NPT Male | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1/4 | 0.2 | 300 psi @ 200° F | -20° to 200° | Manual | Plastic | 1" | 17/32" | 0000000 | 0000000 |
Fast-Acting Panel-Mount On/Off Valves with Yor-Lok Fittings
- Valve Type: Stem
- For Use With: Air, Argon, Helium, Krypton, Neon, Oil, Water, Xenon
- Seal Material: PTFE Plastic
Flip the toggle to quickly turn these valves on and off. All have threads and a hex nut below the handle for installation in instrument panels. For extra gripping power and a strong seal, they have Yor-Lok fittings with two sleeves that bite into tubing as you tighten the nut. All are compatible with Swagelok®, Let-Lok, and Parker A-Lok fittings.
316 stainless steel valves are more corrosion resistant than brass valves.
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.
Straight | 90° Elbow | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| For Tube OD | Flow Coefficient (Cv) | Max. Pressure | Temperature Range, °F | Panel Cutout Dia. | End-to-End Lg. | Each | Port-to-Port Lg. | Each | ||
Brass Body | ||||||||||
Yor Lok × Yor Lok | ||||||||||
| 1/8" | 0.1 | 300 psi @ 200° F | -20° to 200° | 17/32" | 1 15/16" | 0000000 | 000000 | __ | 000000 | 00 |
| 1/4" | 0.2 | 300 psi @ 200° F | -20° to 200° | 17/32" | 2 1/4" | 0000000 | 00000 | 1 1/8" | 0000000 | 000000 |
316 Stainless Steel Body | ||||||||||
Yor Lok × Yor Lok | ||||||||||
| 1/8" | 0.1 | 300 psi @ 200° F | -20° to 200° | 17/32" | 1 15/16" | 0000000 | 000000 | __ | 000000 | 00 |
| 1/4" | 0.2 | 300 psi @ 200° F | -20° to 200° | 17/32" | 2 1/4" | 0000000 | 000000 | 1 1/8" | 0000000 | 000000 |