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About On/Off Valves
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Fast-Acting Panel-Mount Threaded On/Off Valves
Open and close these valves with the flip of the toggle switch. Commonly used for equipment testing and gas sampling, they have threads and a hex nut below the handle for installation in instrument panels.
Manual-return valves remain open or closed when the toggle is moved into position.
Spring-return valves automatically close when the toggle is released.
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
NPTF Female × NPTF Female
- Valve Type: Stem
- For Use With: Air, Argon, Helium, Krypton, Neon, Oil, Water, Xenon
| Pipe Size  | Flow Coefficient (Cv) | Max. Pressure | Temperature Range, °F | Toggle Switch Type | End-to-End Lg. | Panel Cutout Dia. | Each | |
Brass Body—Fluoroelastomer Rubber Seal | ||||||||
|---|---|---|---|---|---|---|---|---|
NPTF Female × NPTF Female | ||||||||
| 1/8 | 0.3 | 200 psi @ 70° F | -15° to 250° | Manual Return | 1 7/16" | 9/16" | 0000000 | 000000 |
| 1/4 | 1.2 | 125 psi @ 70° F | -15° to 250° | Manual Return | 1 7/8" | 9/16" | 0000000 | 00000 |
Elbow
NPT Male × UNF Female
UNF Female × UNF Female
NPTF Female × NPTF Female
- Valve Type: Stem
- For Use With:
Buna-N Rubber Seal: Water, Oil, Air
All Other Valves: Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon
| Pipe Size | Thread Size | Flow Coefficient (Cv) | Max. Pressure | Temperature Range, °F | Toggle Switch Type | Port-to-Port Lg. | Panel Cutout Dia. | Each | |
Brass Body—Buna-N Rubber Seal | |||||||||
|---|---|---|---|---|---|---|---|---|---|
NPT Male × UNF Female | |||||||||
| 1/8 | 10-32 | 7.3 | 150 psi @ 70° F | 35° to 230° | Manual Return | 5/16" | 15/32" | 0000000 | 000000 |
| 1/8 | 10-32 | 8 | 150 psi @ 70° F | 35° to 230° | Manual Return | 5/16" | 15/32" | 0000000 | 00000 |
| 1/8 | 10-32 | 8 | 150 psi @ 70° F | 35° to 230° | Spring Return | 5/16" | 15/32" | 0000000 | 00000 |
UNF Female × UNF Female | |||||||||
| __ | 10-32 | 6.8 | 150 psi @ 70° F | 35° to 230° | Spring Return | 5/16" | 15/32" | 0000000 | 00000 |
| __ | 10-32 | 7.3 | 150 psi @ 70° F | 35° to 230° | Manual Return | 5/16" | 15/32" | 0000000 | 00000 |
Brass Body—Fluoroelastomer Rubber Seal | |||||||||
NPTF Female × NPTF Female | |||||||||
| 1/8 | __ | 0.3 | 200 psi @ 70° F | -15° to 250° | Manual Return | 3/4" | 9/16" | 0000000 | 00000 |
| 1/4 | __ | 1.2 | 125 psi @ 70° F | -15° to 250° | Manual Return | 3/4" | 9/16" | 0000000 | 00000 |