System of Measurement System of Measurement |
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Body Material Body Material |
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Connection Style Connection Style | Show |
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 | Compression |
Connection Style Connection Style | Hide |
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Maximum Pressure Maximum Pressure |
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Maximum Flow Maximum Flow |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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Overall Length Overall Length |
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Flow Measurement Scale Flow Measurement Scale |
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About On/Off Valves
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About Precision Flow-Adjustment Valves
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How to Measure Fittings
Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.
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About Flowmeters and Totalizers
Flowmeters measure the rate of flow for a liquid or a gas. Totalizers measure the cumulative flow volume. Flowmeter/totalizers display both the flow rate and the cumulative flow volume.
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Precision Flow-Adjustment
Valves with Compression Fittings
The compression sleeve on these valves bites into tubing as you tighten the nut, forming a strong seal. Turn the handle to adjust flow in small increments for metering, sampling, and other applications requiring fine flow control. All have metal-to-metal seats that resist temperature fluctuations.
Valves with packing have a nut that can be tightened to compress the packing if it leaks.
For technical drawings and 3-D models, click on a part number.
- Valve Type: Needle
- For Use With: Air
- Seal Material: Neoprene Rubber
On/Off Valves with Compression Fittings
A compression sleeve bites into tubing as you tighten the nut, forming a strong seal.
316 stainless steel valves are more corrosion resistant than brass valves.
Full-port valves do not restrict flow.
Standard-port valves slightly restrict flow.
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.
- Valve Type:
Brass Seal: Plug
All Other Valves: Ball - For Use With: See table
| For Tube OD | For Copper Tube Size | Flow Coefficient (Cv) | Max. Pressure | Max. Steam Pressure | Temperature Range, °F | Port Type | End-to-End Lg. | For Use With | Each | |
Brass Body—Brass Seal | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1/4" | __ | Not Rated | 30 psi @ 125° F | __ | 35° to 125° | Standard | 2 3/8" | Water, Air | 000000 | 000000 |
| 3/8" | __ | Not Rated | 30 psi @ 125° F | __ | 35° to 125° | Standard | 2 7/16" | Water, Air | 000000 | 00000 |
Brass Body—Buna-N Rubber Seal | ||||||||||
| 5/8" | 1/2 | 16 | 600 psi @ 215° F | 600 psi @ 215° F | -20° to 400° | Full | 3" | Water, Oil, Argon, Helium, Krypton, Neon, Xenon, Steam | 0000000 | 00000 |
| 7/8" | 3/4 | 30 | 600 psi @ 215° F | 600 psi @ 215° F | -20° to 400° | Full | 3 7/16" | Water, Oil, Argon, Helium, Krypton, Neon, Xenon, Steam | 0000000 | 00000 |
| 1 1/8" | 1 | 52 | 600 psi @ 215° F | 600 psi @ 215° F | -20° to 400° | Full | 4" | Water, Oil, Argon, Helium, Krypton, Neon, Xenon, Steam | 0000000 | 00000 |
316 Stainless Steel Body—PTFE Plastic Seal | ||||||||||
| 3/8" | __ | Not Rated | 500 psi @ 200° F | __ | 40° to 200° | Standard | 3 9/16" | Water, Oil, Argon, Helium, Krypton, Neon, Xenon | 0000000 | 000000 |
- Valve Type: Plug
- For Use With: Air, Water
- Valve Type: Ball
- For Use With: Argon, Helium, Krypton, Neon, Oil, Water, Xenon
| For Tube OD | Pipe Size | Max. Pressure | Temperature Range, °F | Port Type | End-to-End Lg. | Each | |
316 Stainless Steel Body—PTFE Plastic Seal | |||||||
|---|---|---|---|---|---|---|---|
| 3/8" | 3/8 | 500 psi @ 200° F | 40° to 200° | Standard | 3 1/4" | 0000000 | 000000 |
Plastic On/Off Valves with Compression Fittings
- Valve Type: Ball
- For Use With: Air, Argon, Helium, Krypton, Neon, Water, Xenon
- Seal Material: Buna-N Rubber
A compression sleeve bites into tubing as you tighten the nut, forming a strong seal. These valves are full port, so they do not restrict flow.
For technical drawings and 3-D models, click on a part number.
Compression Flow-Control Orifices
- For Use With: Air, Argon, Carbon Dioxide, Helium, Neon, Nitrogen, Oil, Water, Xenon
- Max. Pressure: 200 psi @ 70° F
Compression fittings bite down on the outside of hard metal tubing for a secure connection. Also known as flow restrictors and precision orifice valves, these orifices are used to throttle, vent, bleed, or regulate the flow of liquids and gases.
For technical drawings and 3-D models, click on a part number.
Available Orifice Diameters | ||
|---|---|---|
| Orifice Dia. | Water Flow | Air Flow |
| 0.01" | 0.016 gpm @ 40 psi | 0.1 scfm @ 40 psi |
| 0.018" | 0.046 gpm @ 40 psi | 0.2 scfm @ 40 psi |
| 0.021" | 0.061 gpm @ 40 psi | 0.3 scfm @ 40 psi |
| 0.025" | 0.089 gpm @ 40 psi | 0.5 scfm @ 40 psi |
| 0.029" | 0.12 gpm @ 40 psi | 0.6 scfm @ 40 psi |
| 0.035" | 0.177 gpm @ 40 psi | 0.9 scfm @ 40 psi |
| 0.042" | 0.247 gpm @ 40 psi | 1.3 scfm @ 40 psi |
| 0.055" | 0.43 gpm @ 40 psi | 2.2 scfm @ 40 psi |
Flow Transmitters for Air
Calibrated for compressed air, these transmitters send flow-rate readings to data recorders, loggers, and displays. They have compression tube connections that bite down on hard metal and plastic tubing for a secure seal. The digital display shows the flow rate, so these transmitters can also be used as flowmeters. Fittings are 316 stainless steel for corrosion resistance in harsh environments.
Output | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tube Connections | End-to-End Lg. | Flow Range | Accuracy | Max. Pressure | Temp. Range, °F | Seal Material | Mounting Orientation | Signal Connection | Signal | Voltage | Plug Type | Each | |
ABS Plastic Body with 316 Stainless Steel | |||||||||||||
Cubic Centimeters per Minute | |||||||||||||
| Male Compression for 1/8" Tube OD | 4 7/8" | 1 to 50 cc/min. | ±3% | 150 psi @ 70° F | 32° to 122° | Elastomer Rubber | Horizontal | RS-232 Port | 4 to 20 mA | 120V AC 240V AC | Two Prong | 0000000 | 000000000 |
| Male Compression for 1/8" Tube OD | 4 7/8" | 4 to 200 cc/min. | ±3% | 150 psi @ 70° F | 32° to 122° | Elastomer Rubber | Horizontal | RS-232 Port | 4 to 20 mA | 120V AC 240V AC | Two Prong | 0000000 | 00000000 |
| Male Compression for 1/8" Tube OD | 4 7/8" | 10 to 500 cc/min. | ±3% | 150 psi @ 70° F | 32° to 122° | Elastomer Rubber | Horizontal | RS-232 Port | 4 to 20 mA | 120V AC 240V AC | Two Prong | 0000000 | 00000000 |
Liters per Minute | |||||||||||||
| Male Compression for 1/8" Tube OD | 4 7/8" | 0.02 to 1 lpm | ±3% | 150 psi @ 70° F | 32° to 122° | Elastomer Rubber | Horizontal | RS-232 Port | 4 to 20 mA | 120V AC 240V AC | Two Prong | 0000000 | 00000000 |
| Male Compression for 1/8" Tube OD | 4 7/8" | 0.1 to 5 lpm | ±3% | 150 psi @ 70° F | 32° to 122° | Elastomer Rubber | Horizontal | RS-232 Port | 4 to 20 mA | 120V AC 240V AC | Two Prong | 0000000 | 00000000 |