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🔧 Keep your compressor running smooth — don’t let air slip back!
The R Conrader 3/4" x 3/4" brass air compressor in-tank check valve delivers reliable one-way airflow with a robust 30 SCFM flow rate. Engineered to handle up to 450 PSI and 400°F, it features durable brass construction and standard NPT threaded connections for easy installation. Complete with a 1/8" unloader port, this USA-made valve is a must-have upgrade for professionals seeking dependable compressor performance.
| ASIN | B00UEUD77E |
| Best Sellers Rank | #118,514 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #336 in Air-Compressor Accessories |
| Brand Name | conrader |
| Connector Type | Threaded |
| Customer Reviews | 4.4 4.4 out of 5 stars (148) |
| Exterior Finish | Brass |
| Inlet Connection Size | 0.75 Inches |
| Inlet Connection Type | National Pipe Tapered |
| Item Dimensions | 3.25 x 1.5 x 1.5 inches |
| Manufacturer | R Conrader |
| Material Type | Brass |
| Maximum Pressure | 450 Pound per Square Inch |
| Model Number | CTLB3434 |
| Number of Ports | 2 |
| Outlet Connection Size | 0.75 Inches |
| Outlet Connection Type | FNPT |
| Size | 0.75 inches |
| Thread Size | 3/4 inch |
| Thread Type | Female NPT |
| UPC | 795525333169 687927982796 |
| Unit Count | 1.0 Count |
| Valve Type | Check Valve |
J**N
Works as it should
Works as it should. Used this to install an after cooler on my Quincy QT5. NPT makes this easier to work with than the oem compression fitting.
D**O
Quality product
It installed in my compressor just like original
E**Y
No problems so far
I have had no issues with this check it seems to work well, I can't hear any air leaking by. My tank has lost some pressure, about 10 psi over 5 days on an 80-gallon tank, but it could be coming from external threads located elsewhere on the tank. this is actually the second valve I bought; the first one was damaged while I was tightening up the check valve. Due to the softer brass metal, I should have installed a 3/4" plug in the top of the check valve while tightening up on it. My fault not theirs.
C**N
WORKS WITHOUT LEAKING DOWN-SO FAR
THIS WAS MY SECOND ATTEMPT BEFOR GOING TO THIS BRAND/ HAPPY WITH PURCHASE AND WOULD BUY AGAIN.
-**-
Works great
Fixed the constant air leak from the unloader valve. The check valve on my 30 year old industrial Campbell Hausfield failed and was causing the unloader valve to leak constantly and making the compressor struggle to turn back on. This fixed the problem and fit perfect.
T**N
Not as PICTURED
The check valve is not the same as pictured. I should have taken a photo for comparison. I installed it in my tank today and seems to work fine so far.
A**P
It Worked
No problems
M**M
USA made, HD, Great design. WTH else you want?!
VERY WELL BUILT in the USA w/ a great design (it won’t bung up your Air flow it’ll keep the scfm’s high as possible) The stand-ups that have the 3/8”npt check valves are bogus! - I am satisfied 110% w/ this unit
Trustpilot
Hace 1 mes
Hace 1 semana