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About Flow-Adjustment Valves
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High-Pressure Threaded Flow-Adjustment Valves
- Valve Type: Globe
- For Use With: Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon
- Specifications Met: API 602, ASTM A105N
Rated for twice the pressure of other threaded flow-adjustment valves, these are often used in refineries and other demanding environments. They gradually open and close with multiple turns of the wheel handle to adjust and regulate flow. All have a rising stem that lifts as the valve opens and lowers as the valve closes to provide a visual indication of whether flow is on or off.
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.
Pipe Size | Flow Coefficient (Cv) | Pressure Class | Max. Pressure | Temperature Range, °F | End-to-End Lg. | Stem Type | Each | |
Steel Body | ||||||||
|---|---|---|---|---|---|---|---|---|
NPT Female × NPT Female | ||||||||
| 1/4 | 2 | 800 | 1975 psi @ 100° F | -20° to 800° | 3 3/16" | Rising | 0000000 | 0000000 |
| 3/8 | 3.5 | 800 | 1975 psi @ 100° F | -20° to 800° | 3 3/16" | Rising | 0000000 | 000000 |
| 1/2 | 3.5 | 800 | 1975 psi @ 100° F | -20° to 800° | 3 3/16" | Rising | 0000000 | 000000 |
| 3/4 | 4.5 | 800 | 1975 psi @ 100° F | -20° to 800° | 3 9/16" | Rising | 0000000 | 000000 |
| 1 | 7.2 | 800 | 1975 psi @ 100° F | -20° to 800° | 4 5/16" | Rising | 0000000 | 000000 |
| 1 1/4 | 17 | 800 | 1975 psi @ 100° F | -20° to 800° | 6" | Rising | 0000000 | 000000 |
| 1 1/2 | 17 | 800 | 1975 psi @ 100° F | -20° to 800° | 6" | Rising | 0000000 | 000000 |
| 2 | 25 | 800 | 1975 psi @ 100° F | -20° to 800° | 7 1/8" | Rising | 0000000 | 000000 |