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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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About Precision Flow-Adjustment Valves
More
High-Pressure Threaded Precision Flow-Adjustment Manifolds
- Valve Type: Needle
- For Use With: See table
- Seal Material: Fluoroelastomer Rubber
Often attached to differential pressure gauges to measure liquid level in tanks, these manifolds have two isolation valves with a pressure-equalizing valve between them. To isolate your differential pressure gauge for maintenance or calibration, shut off flow on both sides and equalize pressure in the manifold. All manifolds have a 316 stainless steel body for excellent corrosion resistance.
Metal-to-metal seats resist temperature fluctuations.
Bubble-tight soft seats provide a tighter seal than metal-to-metal seats when the manifold is completely closed.
Flow coefficient (Cv) is the amount of water (in gallons per minute) at 60° F that will flow through a fully open manifold with a difference of 1 psi between the inlet and the outlet.
For technical drawings and 3-D models, click on a part number.
| Pipe Size | Flow Coefficient (Cv) | Max. Pressure | End-to-End Lg. | For Use With | Each | |
Nickel-Plated and Zinc-Plated 316 Stainless Steel Body—Metal-to-Metal Seat | ||||||
|---|---|---|---|---|---|---|
NPT Female × NPT Female | ||||||
| 1/2 | 0.44 | 10000 psi @ 200° F | 2 7/8" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon | 0000000 | 0000000 |
Nickel-Plated and Zinc-Plated 316 Stainless Steel Body—Bubble-Tight Soft Seat | ||||||
NPT Female × NPT Female | ||||||
| 1/2 | 0.76 | 6000 psi @ 200° F | 2 7/8" | Water, Air, Argon, Helium, Krypton, Neon, Xenon | 0000000 | 000000 |
High-Pressure Threaded Precision Flow-Adjustment Valves with Vent Ports
- Valve Type: Needle
- For Use With: Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon
Also known as block and bleed valves, these have two vent ports to isolate pressure gauges, switches, and other components in high-pressure systems for maintenance, calibration, and sampling without interrupting the process. Turn the handle to adjust flow in small increments for metering, sampling, and other applications requiring fine flow control. All valves have metal-to-metal seats that resist temperature fluctuations. Body is 316 stainless steel for excellent corrosion resistance. Valves 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.
Threaded Precision Flow-Adjustment Valves with Gauge Ports
- Valve Type: Needle
- For Use With: See table
- Seal Material: Fluoroelastomer Rubber
With a gauge port on each side of these valves, you can install two pieces of instrumentation equipment to simultaneously monitor multiple media properties without interrupting flow. 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.
Metal-to-metal seats resist temperature fluctuations.
Bubble-tight soft seats provide a tighter seal than metal-to-metal seats when the valve is completely closed.
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.
Gauge Ports | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Pipe Size | No. of | Pipe Size | Gender | Thread Type | Flow Coefficient (Cv) | Max. Pressure | End-to-End Lg. | For Use With | Each | |
Steel Body—Metal-to-Metal Seat | ||||||||||
NPT Male × NPT Female | ||||||||||
| 1/2 × 1/2 | 2 | 1/2 | Female | NPT | 0.44 | 10000 psi @ 200° F | 5 3/8" | Oil, Air, Argon, Helium, Krypton, Neon, Xenon | 0000000 | 0000000 |
| 3/4 × 1/2 | 2 | 1/2 | Female | NPT | 0.44 | 10000 psi @ 200° F | 5 3/8" | Oil, Air, Argon, Helium, Krypton, Neon, Xenon | 0000000 | 000000 |
Steel Body—Bubble-Tight Soft Seat | ||||||||||
NPT Male × NPT Female | ||||||||||
| 1/2 × 1/2 | 2 | 1/2 | Female | NPT | 0.64 | 6000 psi @ 200° F | 5 3/8" | Air, Argon, Helium, Krypton, Neon, Xenon | 0000000 | 000000 |
| 3/4 × 1/2 | 2 | 1/2 | Female | NPT | 0.64 | 6000 psi @ 200° F | 5 3/8" | Air, Argon, Helium, Krypton, Neon, Xenon | 0000000 | 000000 |
316 Stainless Steel Body—Metal-to-Metal Seat | ||||||||||
NPT Male × NPT Female | ||||||||||
| 1/2 × 1/2 | 2 | 1/2 | Female | NPT | 0.44 | 10000 psi @ 200° F | 5 3/8" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon | 0000000 | 000000 |
| 3/4 × 1/2 | 2 | 1/2 | Female | NPT | 0.44 | 10000 psi @ 200° F | 5 3/8" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon | 0000000 | 000000 |
316 Stainless Steel Body—Bubble-Tight Soft Seat | ||||||||||
NPT Male × NPT Female | ||||||||||
| 1/2 × 1/2 | 2 | 1/2 | Female | NPT | 0.64 | 6000 psi @ 200° F | 5 3/8" | Water, Air, Argon, Helium, Krypton, Neon, Xenon | 0000000 | 000000 |
| 3/4 × 1/2 | 2 | 1/2 | Female | NPT | 0.64 | 6000 psi @ 200° F | 5 3/8" | Water, Air, Argon, Helium, Krypton, Neon, Xenon | 0000000 | 000000 |
Threaded Precision Flow-Adjustment Valves with Vent Port
- Valve Type: Needle
- For Use With: See table
- Seal Material: Fluoroelastomer Rubber
Also known as block and bleed valves, these have a vent port that allows you to remove instrumentation equipment attached to the valve without depressurizing your line. Turn the handle to shut off flow and remove the vent port plug to drain liquid trapped in the valve. Valves adjust flow in small increments for metering, sampling, and other applications requiring fine flow control.
316 stainless steel valves are more corrosion resistant than steel valves.
Metal-to-metal seats resist temperature fluctuations.
Bubble-tight soft seats provide a tighter seal than metal-to-metal seats when the valve is completely closed.
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.
| Pipe Size | Flow Coefficient (Cv) | Max. Pressure | End-to-End Lg. | For Use With | Each | |
316 Stainless Steel Body—Metal-to-Metal Seat | ||||||
|---|---|---|---|---|---|---|
NPT Female × NPT Female | ||||||
| 1/4 | 0.44 | 10000 psi @ 200° F | 2 1/2" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon | 0000000 | 0000000 |
| 1/2 | 0.44 | 10000 psi @ 200° F | 2 1/2" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon | 0000000 | 000000 |
NPT Female × NPT Male | ||||||
| 1/4 | 0.44 | 10000 psi @ 200° F | 3 1/2" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon | 0000000 | 000000 |
| 1/2 | 0.44 | 10000 psi @ 200° F | 3 1/2" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon | 0000000 | 000000 |
316 Stainless Steel Body—Bubble-Tight Soft Seat | ||||||
NPT Female × NPT Female | ||||||
| 1/4 | 0.76 | 6000 psi @ 200° F | 2 1/2" | Water, Air, Argon, Helium, Krypton, Neon, Xenon | 0000000 | 000000 |
| 1/2 | 0.76 | 6000 psi @ 200° F | 2 1/2" | Water, Air, Argon, Helium, Krypton, Neon, Xenon | 0000000 | 000000 |
NPT Female × NPT Male | ||||||
| 1/4 | 0.76 | 6000 psi @ 200° F | 3 1/2" | Water, Air, Argon, Helium, Krypton, Neon, Xenon | 0000000 | 000000 |
| 1/2 | 0.76 | 6000 psi @ 200° F | 3 1/2" | Water, Air, Argon, Helium, Krypton, Neon, Xenon | 0000000 | 000000 |
Carbon Steel Body—Metal-to-Metal Seat | ||||||
NPT Female × NPT Female | ||||||
| 1/4 | 0.44 | 10000 psi @ 200° F | 2 1/2" | Oil, Air, Argon, Helium, Krypton, Neon, Xenon | 0000000 | 00000 |
| 1/2 | 0.44 | 10000 psi @ 200° F | 2 1/2" | Oil, Air, Argon, Helium, Krypton, Neon, Xenon | 0000000 | 00000 |
NPT Female × NPT Male | ||||||
| 1/4 | 0.44 | 10000 psi @ 200° F | 3 1/2" | Oil, Air, Argon, Helium, Krypton, Neon, Xenon | 0000000 | 00000 |
| 1/2 | 0.44 | 10000 psi @ 200° F | 3 1/2" | Oil, Air, Argon, Helium, Krypton, Neon, Xenon | 0000000 | 00000 |
Carbon Steel Body—Bubble-Tight Soft Seat | ||||||
NPT Female × NPT Female | ||||||
| 1/4 | 0.76 | 6000 psi @ 200° F | 2 1/2" | Air, Argon, Helium, Krypton, Neon, Xenon | 0000000 | 00000 |
| 1/2 | 0.76 | 6000 psi @ 200° F | 2 1/2" | Air, Argon, Helium, Krypton, Neon, Xenon | 0000000 | 00000 |
NPT Female × NPT Male | ||||||
| 1/4 | 0.76 | 6000 psi @ 200° F | 3 1/2" | Air, Argon, Helium, Krypton, Neon, Xenon | 0000000 | 00000 |
| 1/2 | 0.76 | 6000 psi @ 200° F | 3 1/2" | Air, Argon, Helium, Krypton, Neon, Xenon | 0000000 | 00000 |