Matching Flow Diagrams to Replace an Air Directional Control Valve
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Choosing an Air Directional Control Valve
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Input-Selecting Air Directional Control Valves
Also known as shuttle valves and "or" valves, these valves select between the higher of two inlet pressures to power one outlet port. They're often used in emergency systems where the lower pressure input acts as a backup to the higher pressure input.
Flow coefficient (Cv) is a measurement that indicates how much airflow can pass through a valve.
Overall | ||||||||||||
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| No. of Flow Ports | For Inlet Tube OD | For Outlet Tube OD | Max. Flow Rate, scfm @ 100 psi | Flow Coefficient (Cv) | Pressure Range, psi | Vacuum Rating | Lg. | Wd. | Ht. | Mount Type | Each | |
Push-to-Connect Female Inlet × Push-to-Connect Female Outlet | ||||||||||||
| 3 | 5/32" | 5/32" | 27.12 | 0.48 | 0-125 | Not Rated | 1 5/8" | 5/8" | 1 1/8" | Inline | 0000000 | 000000 |
| 3 | 1/4" | 1/4" | 27.12 | 0.48 | 0-125 | Not Rated | 1 5/8" | 5/8" | 1 1/8" | Inline | 0000000 | 00000 |
Two-Action Electrically Operated Air Directional Control Valves
Also known as 4-way and 5/2 valves, these valves create two actions, such as extending and then retracting a double-acting cylinder. Apply voltage to the electrical connection to actuate. They direct airflow from the inlet to your equipment and exhaust return airflow to create motion. Return actuation is by spring, so they return to their original position as soon as voltage is removed.
Flow coefficient (Cv) is a measurement that indicates how much airflow can pass through a valve.
O'all | ||||||||||||||
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| No. of Flow Ports | Inlet Size | Outlet Size | Max. Flow Rate, scfm @ 100 psi | Flow Coefficient (Cv) | Pressure Range, psi | Vacuum Rating | Lg. | Wd. | Ht. | Mount Type | Mounting Fasteners Included | Choose a Voltage  | Each | |
Threaded Female Inlet × Threaded Female Outlet—Push-to-Connect Exhaust | ||||||||||||||
| 4 | 1/4 NPT | 1/4 NPT | 45 | 0.75 | 44-145 | Not Rated | 5 1/16" | 7/8" | 1 3/8" | Screw In, Inline | No | 0000000 | 0000000 | |
Batch-Dispensing On/Off Valves
- For Use With: Beverage, Water, Kerosene, Bleach, Boric Acid, Deionized Water, Oil, Diesel Fuel, Food
Accurately and consistently dispense a specific amount of liquid—these actuated valves have a screen and buttons for programming batch size and calibration. They’ll automatically shut off once the set amount of liquid has been released. Their stainless steel body resists corrosion, so these valves can be used with harsh chemicals.
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| Pipe Size | Gender | Thread Type | Flow Range, gpm | Pipe Schedule | Maximum Pressure | Maximum Temperature, °F | Maximum Current Draw, A | Valve Length | Width | Height | Environmental Rating | Specifications Met | Each | |
Stainless Steel Body with Fluoroelastomer Rubber Seals | ||||||||||||||
Normally Closed—120V AC | ||||||||||||||
| 1/2 | Female | NPT | 2 to 22 | 40 | 145 psi @ 175° F | 140° | 0.06 | 11 1/4" | 3 7/16" | 5 5/8" | IP65 | CSA Certified; UL Recognized Component | 0000000 | 000000000 |
| 3/4 | Female | NPT | 3 to 38 | 40 | 145 psi @ 175° F | 140° | 0.06 | 12 3/16" | 3 7/16" | 5 3/4" | IP65 | CSA Certified; UL Recognized Component | 0000000 | 00000000 |
| 1 | Female | NPT | 5 to 62 | 40 | 145 psi @ 175° F | 140° | 0.06 | 12 3/8" | 3 7/16" | 5 7/8" | IP65 | CSA Certified; UL Recognized Component | 0000000 | 00000000 |