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About On/Off Valves
More
Miniature Threaded On/Off Valves for Chemicals
- Valve Type: Ball
- For Use With: Air, Argon, Butane, Carbon Dioxide, Chlorine, Citric Acid, Diesel Fuel, Ethylene Glycol, Fuel Oil, Gasoline, Helium, Hydrochloric Acid, Isopropyl Alcohol, Kerosene, Krypton, Mineral Spirits, Natural Gas, Neon, Nitric Acid, Nitrogen, Oil, Oxygen, Phosphoric Acid, Propane, Salt Water, Soap Solutions, Sodium Hydroxide, Sodium Hypochlorite, Sulfuric Acid, Toluene, Water, Xenon, Xylene
- Ball Material: 316 Stainless Steel
- Seal Material: Fluoroelastomer Rubber
- Seat Material: Fluoroelastomer Rubber
To withstand aggressive and corrosive solutions in miniature chemical-processing pipelines, these tiny valves have a chemical-resistant fluoroelastomer seal and a corrosion-resistant 303 stainless steel body. They are standard port, so they 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.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Flow Coefficient (Cv) | Max. Pressure | Temperature Range, °F | Vacuum Rating, in. of Hg | End-to-End Lg. | Each | |
303 Stainless Steel Body | |||||||
|---|---|---|---|---|---|---|---|
UNF Female × UNF Female | |||||||
| 10-32 | 0.1 | 250 psi @ 150° F | 0° to 400° | 25 | 11/16" | 0000000 | 0000000 |
Ultra-Chemical-Resistant Threaded On/Off Valves
The most chemical-resistant threaded valves we offer, these have a PTFE seal and an alloy body that can withstand extremely aggressive and corrosive chemicals, such as methyl ethyl ketone and toluene. They are standard port, so they slightly restrict flow.
Monel valves are more corrosion resistant than Alloy 20 valves.
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.
- Valve Type: Ball
- For Use With: Acetone, Air, Butane, Carbon Dioxide, Diesel Fuel, Ethanol, Ethylene Glycol, Fuel Oil, Gasoline, Kerosene, Methanol, Methyl Ethyl Ketone, Nitrogen, Propane, Soap Solutions, Sodium Hydroxide, Toluene, Water, Xylene
- Ball Material: Alloy 20 Stainless Steel
- Seal Material: PTFE Plastic
- Seat Material: PTFE Plastic
- Valve Type: Ball
- For Use With: Acetone, Air, Carbon Dioxide, Diesel Fuel, Gasoline, Kerosene, Methyl Ethyl Ketone, Nitrogen, Salt Water, Soap Solutions, Sodium Hydroxide, Toluene, Water, Xylene
- Ball Material: Monel
- Seal Material: PTFE Plastic
- Seat Material: PTFE Plastic
Threaded Isolation On/Off Valves for Chemicals
- Valve Type: Ball
- For Use With: Acetone, Air, Ammonia, Argon, Carbon Dioxide, Deionized Water, Diesel Fuel, Ethanol, Fuel Oil, Gasoline, Helium, Isopropyl Alcohol, Kerosene, Krypton, Liquid Argon, Liquid Carbon Dioxide, Liquid Nitrogen, Liquid Oxygen, Methanol, Neon, Xenon, Xylene
- Ball Material: 316 Stainless Steel
- Seal Material: PEEK Plastic
- Seat Material: PTFE Plastic
- Specifications Met: ANSI/ASME B16.34
Attach gauges or sensors to these valves so you can remove them for maintenance and calibration without depressurizing your line. Also known as block and bleed valves, turn the handles to block both upstream and downstream flow, drain the liquid trapped in the valve through the bleed port, and then remove your instrument from the gauge port. Often used in chemical-processing lines, these valves have a PEEK seal and a corrosion-resistant 316 stainless steel body. All are standard port, so they 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.
Gauge Port | ||||||||
|---|---|---|---|---|---|---|---|---|
| Pipe Size | Pipe Size | Gender | Thread Type | Flow Coefficient (Cv) | Max. Pressure | Temperature Range, °F | Each | |
316 Stainless Steel Body | ||||||||
NPT Female × NPT Female | ||||||||
| 1/2 | 1/4 | Female | NPT | 6.4 | 10000 psi @ 170° F | -65° to 450° | 0000000 | 0000000 |
On/Off Valves with Barbed Fittings for Chemicals
Barbs grip onto tubing, providing a secure hold. To withstand aggressive and corrosive solutions in chemical-processing applications, these valves have a plastic body and a chemical-resistant seal.
Full-port valves do not 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: Ball
- For Use With: Air, Argon, Butane, Carbon Dioxide, Citric Acid, Deionized Water, Diesel Fuel, Ethylene Glycol, Gasoline, Helium, Hydrochloric Acid, Isopropyl Alcohol, Krypton, Mineral Spirits, Natural Gas, Neon, Nitric Acid, Nitrogen, Oil, Oxygen, Phosphoric Acid, Propane, Salt Water, Soap Solutions, Sodium Hypochlorite, Sulfuric Acid, Water, Xenon, Xylene
- Ball Material: PVDF Plastic
- Seal Material: Fluoroelastomer Rubber
- Seat Material: Fluoroelastomer Rubber
For Tube | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Pipe Size | ID | OD | Flow Coefficient (Cv) | Max. Pressure | Temperature Range, °F | Port Type | End-to-End Lg. | Each | |
NPT Male × Barbed | |||||||||
| 1/4 | 1/4" | 3/8" | 0.6 | 125 psi @ 140° F | 35° to 140° | Full | 3 1/2" | 00000000 | 000000 |
| 1/4 | 3/8" | 1/2" | Not Rated | 125 psi @ 140° F | 35° to 140° | Full | 3 1/2" | 00000000 | 00000 |
| 1/4 | 1/2" | 3/4" | Not Rated | 125 psi @ 140° F | 35° to 140° | Full | 3 1/2" | 00000000 | 00000 |
Barbed × Barbed | |||||||||
| __ | 1/4" | __ | 0.4 | 125 psi @ 140° F | 35° to 140° | Full | 3 1/2" | 00000000 | 00000 |
| __ | 3/8" | __ | 1.5 | 125 psi @ 140° F | 35° to 140° | Full | 3 1/2" | 00000000 | 00000 |
| __ | 1/2" | __ | 8.8 | 125 psi @ 140° F | 35° to 140° | Full | 3 1/2" | 00000000 | 00000 |
Flanged On/Off Valves for Chemicals
- Valve Type: Ball
- For Use With: Citric Acid, Deionized Water, Diesel Fuel, Ethanol, Ethylene Glycol, Fuel Oil, Gasoline, Hydrochloric Acid, Isopropyl Alcohol, Kerosene, Methanol, Methyl Ethyl Ketone, Mineral Spirits, Oil, Phosphoric Acid, Salt Water, Soap Solutions, Toluene, Water, Xylene
- Ball Material: Glass-Filled Vinyl Ester
- Seal Material: PTFE Plastic
- Seat Material: PTFE Plastic
- Packing Material: PTFE Plastic
- Specifications Met: ASME B16.10, ASME B16.5
Bolt these valves to ANSI flanges. A glass-filled vinyl ester body and a PTFE seal withstand aggressive and corrosive solutions in chemical-processing applications. Fix the lockable lever handle in place using a padlock (not included) with a shackle diameter up to 5/16”. All are standard port, so they 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.
Bolts | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pipe Size | Flange OD | Circle Dia. | No. of Holes | Hole Dia. | Hole Size | Included | Flow Coefficient (Cv) | Max. Pressure | Temperature Range, °F | Vacuum Rating, in. of Hg | End-to-End Lg. | For Max. Shackle Dia. | Each | |
Glass-Filled Vinyl Ester Body | ||||||||||||||
Flanged × Flanged | ||||||||||||||
| 1 | 4 1/4" | 3 1/8" | 4 | 5/8" | 0.62" | No | 45 | 250 psi @ 100° F | -50° to 215° | 29.9 | 5" | 5/16" | 0000000 | 0000000 |
| 2 | 6" | 4 3/4" | 4 | 3/4" | 0.75" | No | 165 | 250 psi @ 100° F | -50° to 215° | 29.9 | 7" | 5/16" | 0000000 | 000000 |
| 3 | 7 1/2" | 6" | 4 | 3/4" | 0.75" | No | 350 | 250 psi @ 100° F | -50° to 215° | 29.9 | 8" | 5/16" | 0000000 | 000000 |