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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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About Flow-Adjustment Valves
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About Backflow-Prevention Valves
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Threaded Flow-Adjustment Valves for Fuel
- Valve Type: Globe
- For Use With: Oil, Diesel Fuel, Fuel Oil, Kerosene
- Seal Material: Fluoroelastomer Rubber
- Specifications Met: See table
To automatically shut off the flow of diesel fuel, fuel oil, kerosene, and oil in case of fire, these valves automatically close and the handle permanently fuses in place when the ambient temperature reaches 165° F. To reuse the valve, replace the handle (sold separately).
For technical drawings and 3-D models, click on a part number.
Valves | Replacement Wheel Handles | |||||||
|---|---|---|---|---|---|---|---|---|
| Pipe Size | Max. Pressure | Temperature Range, °F | End-to-End Lg. | Specifications Met | Each | Each | ||
Brass Body | ||||||||
NPT Female × NPT Female | ||||||||
| 1/4 | 10 psi @ 70° F | 20° to 165° | 1 3/4" | __ | 0000000 | 000000 | 0000000 | 00000 |
| 3/8 | 10 psi @ 70° F | 20° to 165° | 1 3/4" | UL Listed | 0000000 | 00000 | 0000000 | 0000 |
| 1/2 | 10 psi @ 70° F | 20° to 165° | 2" | UL Listed | 0000000 | 00000 | 000000 | 00 |
| 3/4 | 10 psi @ 70° F | 20° to 165° | 2 1/2" | __ | 0000000 | 000000 | 0000000 | 0000 |
| 1 | 10 psi @ 70° F | 20° to 165° | 2 5/8" | __ | 0000000 | 000000 | 0000000 | 00000 |
Pipeline Flame Arresters
- For Use With: Butane, Natural Gas, Propane
- Flame-Arresting Element Material: 316 Stainless Steel
To prevent flashback in flammable gas pipelines, an internal flame-arresting element absorbs the heat from a fire to extinguish the flame. These valves are commonly used in pilot lines connected to waste gas burners.
For technical drawings and 3-D models, click on a part number.
| Pipe Size | Max. Pressure | Max. Temperature, °F | End-to-End Lg. | Each | |
Aluminum Body | |||||
|---|---|---|---|---|---|
NPT Female | |||||
| 1/4 | 25 psi @ 176° F | 176° | 3" | 0000000 | 0000000 |
| 1/2 | 25 psi @ 176° F | 176° | 3 3/4" | 0000000 | 000000 |
| 3/4 | 25 psi @ 176° F | 176° | 3 3/4" | 0000000 | 000000 |
| 1 | 25 psi @ 176° F | 176° | 3 3/4" | 0000000 | 000000 |
| 1 1/2 | 25 psi @ 176° F | 176° | 3 3/4" | 0000000 | 000000 |
| 2 | 25 psi @ 176° F | 176° | 4 3/4" | 0000000 | 000000 |
Arresters for Flammable Vapors
Minimize fire hazard from flammable vapors. Mount an arrester to your vent pipe to stop flames from traveling back into your tank. If the ambient temperature reaches 165° F, the fusible links melt, and the cover closes to block flames from the arrester. To reuse the arrester, replace the fusible links (sold separately).
For technical drawings and 3-D models, click on a part number.