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About Precision Flow-Adjustment Valves
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Precision Flow-Adjustment Valves with Solder-Connect Fittings
- Valve Type: Needle
- For Use With: Water, Oil, Air, Argon, Helium, Krypton, Neon, Steam, Xenon
Solder these valves to tubing for a permanent, leak-tight connection. Turn the handle to adjust flow in small increments for metering, sampling, and other applications requiring fine flow control. Valves have a 316 stainless steel body for excellent corrosion resistance. All have metal-to-metal seats that resist temperature fluctuations. They have a nut that can be tightened to compress the packing if it leaks.
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.
| For Tube OD | Flow Coefficient (Cv) | Max. Pressure | Max. Steam Pressure | Temperature Range, °F | End-to-End Lg. | Each | |
316 Stainless Steel Body  | |||||||
|---|---|---|---|---|---|---|---|
Solder Connect × Solder Connect | |||||||
| 3/8" | 0.94 | 6000 psi @ 100° F | 4900 psi @ 700° F | -65° to 700° | 2 1/4" | 0000000 | 0000000 |
| 1/2" | 1.31 | 6000 psi @ 100° F | 4900 psi @ 700° F | -65° to 700° | 2 1/2" | 0000000 | 000000 |