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Your cart is empty.This Control Devices ST25-1A175 ASME safety valve has a brass body, a 175 psi relief pressure, a 1/4 inch male NPT threaded inlet connection, and a stainless steel pull ring for manual pressure relief. The valve's brass body, brass valve seat, and the zinc plated steel spring resist corrosion and can be used in operating temperatures up to 250 F. The preset relief pressure is accurate to within +/- 3 percent and a silicon O-ring provides a leak-proof seal to within +/- 10 percent of the relief pressure. This safety valve is American Society of Mechanical Engineers (ASME) safety rated and displays the UV mark for pressure vessel safety valves. It also displays the NB mark for certification in accordance with NB-501, National Board Certification of Pressure Relief Devices. This safety valve has a 157. 2648 cubic feet per minute (CFM) flow rate and is suitable for pressure relief applications such as in home construction or industrial air compressors.
terry warner
Reviewed in the United States on March 10, 2025
worked well, no issues
Glenn Herrman
Reviewed in the United States on July 3, 2024
It was installed on compressure.It was easy to install and works.Great I think it's a good product.
Mike Carver
Reviewed in the United States on May 24, 2024
My Son says it’s Perfect. He’s rebuilding an Air Compressor and this part was perfect.
1 Sweet Ol Bear
Reviewed in the United States on May 21, 2024
5/8 vs 9/16 on factory one, works as it should tho, would purchase again if need be.
Crossdrawjohn
Reviewed in the United States on March 7, 2024
It looks well made and very easy to install. The old valve was leaking making the compressure to run all the time. I installed this new one problem solved
J. Schumacher
Reviewed in the United States on October 23, 2024
The first one I purchased was rated 150 psi I believe, but it would “blow” around 135 psi. So I went with the 175 psi version and it is holding strong at 160 for a year now.
gasorensen_tx
Reviewed in the United States on April 28, 2024
Solid product. Using it for my air compressor. Spring seemed a bit more tough to pull than old one. Worked fine at pressure of 150psi to pull. Old part wasn't very good. I expect this one will last was longer.
Pete
Reviewed in the United States on April 10, 2024
Worked great no more leaks fit perfect
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