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🔧 Keep your systems flowing forward—no backflow, no hassle!
This 6-piece set of 3/8 inch ABS plastic inline check valves features a durable silicone core designed to prevent backflow in liquid and gas systems. Resistant to heat (-20°C to 70°C), corrosion, and organic solvents, these valves are ideal for fuel, water, air, and gas applications in automotive, industrial, and household settings. The bulk pack ensures you have reliable, precision flow control valves on hand for any project.
| ASIN | B08FJ1TSSJ |
| Best Sellers Rank | #26,170 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #32 in Check Valves |
| Brand | Blulu |
| Brand Name | Blulu |
| Customer Reviews | 4.5 out of 5 stars 364 Reviews |
| Exterior Finish | Abs, Plastic, Silicone |
| Inlet Connection Size | 0.38 Inches |
| Inlet Connection Type | Threaded |
| Item Weight | 18.14 g |
| Manufacturer | Blulu |
| Manufacturer Part Number | Blulu-Check Valve-02 |
| Material | ABS plastic, silicone |
| Material Type | ABS plastic, silicone |
| Model Number | Blulu |
| Number of Pieces | 6 |
| Number of Ports | 6 |
| Set Name | 6-Piece ABS Plastic Check Valve Set |
| Size | 3/8 inch, 10 mm |
| Smart Home Compatibility | Not Smart Home Compatible |
| Thread Size | 3/8 inch |
| Thread Type | Threaded |
| Unit Count | 6 Count |
| Valve Type | Check Valve |
K**F
Works great
Used it as a one way breather for a fuel tank to allow inflow to offset fuel flow while the engine is running but not allow constant venting, stinking up the garage. The fuel cap has a spring loaded seal if real pressure starts to build up. Works great!
R**G
Good Product
Work great. I used them in a laundry to keep the detergent pumps primed.They fit perfect in the plastic hoses and no leaks.
J**N
Great product
They work perfectly
S**T
One-way check valves work, but don't last long
I used these to replace the one-way flow valves in both my and my wife's SleepMe Chilipads. These look and function identically. These valves fail pretty regularly, the same as the valves did that came in the units from the factory. I am not sure how long these are supposed to last, but I find I need to replace them about every three months or so, because something happens and the water is allowed to flow back down into the system. These are pretty cheap, and it is pretty easy to change the part in my application, so I am not going to knock them too much. Four stars because I wish they lasted six months instead of three months between failures.
R**D
Best product to fix bad condensate pump check valve!
I have a little giant condensation pump for my furnace and dehumidifier. The little Giant check valves (all 4 that I bought) are a waste of money as they don’t seal, and leak water back into the pump causing it to run more than it needs to. I ordered these to install 3” downstream from the pump’s crappy check valves. Took one out of the package and it worked flawlessly. I highly recommend this product. I didn’t need extras but it’s good to have spares.
F**N
Thumbs up, chums
Works fine. No leaks.
B**I
Suited my needs
Used for doing closed transfers from fermenter to keg. So it works well for liquid (beer) and gas (CO2). Durable. Update: I use these check valves for home brewing, and for the most part they work very fine, but if you were using them in conjunction with CO2, the CO2 gas will eventually cause the plastic to become brittle and there is a potential for the plastic to crack and break.
R**I
great one way valve
works awesome
Trustpilot
2 months ago
1 day ago