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The one-way valve is installed in the engine compartment. The temperature in the engine compartment can reach as high as 98 °C during the long-distance driving. Therefore, the selection of the one-way valve is important. At present, most common one-way valves on the market are at room temperature, and the relatively high temperature resistance is only 80 ℃. In order to avoid the car failure during long-distance driving, please choose BBTUS high-temperature-resistant one-way valve. High quality and temperature resistance up to 135 °C.
The shell material is PA66, and the Diaphragm material is VITON，the spring material is SUS316L.Normal performance under -25 ℃ to 135 ℃, Strong resistance to High Temperature and Corrosion. One-way valves are commonly used in brake boosters - air conditioning damper ducts - exhaust valve ducts and wiper sprinkler ducts on automobiles. The one-way valve is widely used and can be reasonably used according to individual needs.
To connect the liquid pipeline, it is necessary to bind the interface with a clamp
Chris castille
August 26, 2025
Work perfect good quality. I use a lot of them. I will buy more. Thank you.
Paul
August 13, 2025
I bought these to use in line with tubing which goes from the sink soap dispenser pump down into a container of dish soap which sits in the sink cabinet. Without the check valve I could get the tubing primed and it pumped a little but once I stopped using it the soap slowly dropped back down into the soap container. But with the check valve installed the soap stays in the tubing so that whenever I press the soap pump handle I get dish soap dispensed. It removed the difficult task of trying to fill the soap dispenser bottles which were screwed up under the sink. The bottles are no longer under the sink - just tubes running down into the larger dish soap bottle which is very easily replaced. I realize that this was not the original intent for these check valves but they work well for my use which I found from a kind soul who posted a video on YT..
Victor Delephimne
August 12, 2025
easy to use seems well made
Jorge V.
July 24, 2025
I needed these for the kaboom chlorine dispenser to prevent the chlorine from back flowing to the fill valve. Needless to say, it did the job.
Mandy
July 22, 2025
It is ok for sheerness, I know you will do much better, I hope more upgrades thanks
Melody Wilson
June 19, 2025
nice check not cheep junk
W.R.
June 16, 2025
My motorcycle need vacuum applied to the fuel petcock to keep running. It is a safety feature to prevent fuel flow when the engine is off. I was experiencing a loss in vacuum when going up hills under load. The bike would shut off when this happened. I would have to idle the bike for a minute and then I would be able to drive until I came up to another hill and the same thing would happen. Installing this valve corrected the issue! It saved me a lot of headaches. Thank you!
Jack
June 6, 2025
These little guys work well and hold vacuum with little leakage. They are superior to similar check valves I have purchased at the auto parts store.
Richard Wagner
April 5, 2025
Worked very good for van HVAC vacuum line.
David R
February 14, 2025
Don't trust the stated preassure rating.
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