- Unloading check valve releases trapped pressure in a compressor head
- Made from brass for higher corrosion resistance than steel
- Tube compression connection on one end and female NPT threads on the other for connecting to male threaded pipe
- Maximum pressure rating of 250 psi
- Maximum working temperature of 400 degrees Fahrenheit
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Control Devices Brass Load Genie Unloading Check Valve, Tube Comp. x NPT Male
|Price:||$16.19 - $33.89|
|Brand Name||Control Devices|
|Maximum Pressure||250 PSI|
|Upper Temperature Range||400 Degrees Fahrenheit|
|System of Measurement||Inch|
|Connector Type||Compression x NPT Male|
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This Control Devices Load Genie unloading check valve releases trapped pressure in a compressor head. The valve body is made of brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability. Brass can be connected to copper, brass, plastic, aluminum, and welded steel. It has a tube compression connection on one end for fast installation and male NPT threads on the other end for connecting to a female threaded pipe. The maximum pressure rating is 250 pounds per square inch (psi), and the maximum working temperature is 400 degrees Fahrenheit.
Check valves have two ports and restrict the flow of fluids and other loose materials through a pipe or passageway to one direction. Flow enters through one port and exits through the other, closing when flow reverses or stops. Two common types of check valves are ball cone valves and swing check valves. A ball cone valve utilizes a spring-loaded ball seated against a cone-shaped interior surface to stop the flow of fluid in a forward direction, and a swing check valve has a movable disc on a hinge to block reverse flow. Check valves are rated by their cracking pressure (the minimum upstream pressure required for the valve to operate), and they are used in various water, gas, air, and steam lines.
Control Devices manufactures specialty valves, nozzles, and condensate traps. The company, founded in 1963 and headquartered in Fenton, MI, meets ASME standards.
Top Customer Reviews
1) There is no compression nut or ferrule included with the valve. Its just the valve as pictured. So that means you need to go to your local supply store and find a compression nut and ferrule in order to make this work. Unless you plan on reusing an existing one.
2) There is no information on the operational requirements for the valve. After I initially installed the valve and ran them I thought they were defective. They would dump air non stop while the compressor was running above 150psi. I double checked and they are rated for a max of 250psi so I thought there was an issue. But after both valves did the same thing I reconsidered that it was defective. So I emailed Control Devices to figure out what could be the issue. Well after a few emails back and forth I determined my compressor did not have the correct amount of CFM required to properly operate the valve. This valve requires a minimum of 1CFM at any pressure in order to seat the unloader valve. My compressor does not do 1CFM above 150psi which is why I had the issue.
It would behoove Amazon to update their site with all the information about this valve as I was about ready to return them and get a refund. Had I known the ratings from the start I would have known then that these would not work for my application.
Second one releases pressure, and has been holding full pressure all day. So 5 stars for the working product (standard check valve with vinyl unloader tubing leaked down in a few hours), less stars for the QC.
Most Recent Customer Reviews
Control device was identical to the original part and did not present any instillation problems and worked as expected.Published 14 months ago by Leonard Hicks
Just what I needed. Fit and worked well. Gave the old compressor new life.Published 20 months ago by Jim B