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⛽ Keep your fuel flow flawless — no backflow, no downtime!
The EVIL ENERGY 1/4" (6mm) Non Return One Way Check Valve is a robust, precision-engineered fuel system component made from corrosion-resistant 6061-T6 aluminum alloy. Designed for low-pressure fuel lines, it features a stainless steel spring mechanism that prevents backflow, ensuring stable fuel delivery. With a wide operating pressure range of 0.2 to 6 bar and temperature tolerance from -22℉ to 266℉, this valve guarantees reliable performance across diverse environments. Its compact, easy-to-install design makes it ideal for carburetor and fuel systems using petrol, diesel, oil, water, and air (excluding methanol). Sold in packs of two, it’s a trusted choice for professionals seeking durability and efficiency.
















| ASIN | B085G7JVSM |
| Best Sellers Rank | #281,890 in Car & Motorbike ( See Top 100 in Car & Motorbike ) |
| Brand | EVIL ENERGY |
| Brand Name | EVIL ENERGY |
| Country of Publication | USA |
| Customer Reviews | 4.5 out of 5 stars 2,882 Reviews |
| Exterior Finish | Silver |
| Inlet Connection Size | 0.25 Inches |
| Inlet Connection Type | Flange |
| Item Type Name | check valve |
| Manufacturer | Speedwow Tuning |
| Manufacturer Part Number | EV01342S6SRCA1 |
| Material | Aluminium |
| Material Type | Aluminium |
| Maximum Pressure | 6 Bars |
| Model Number | EVFS01272S6BK |
| Number of Pieces | 2 |
| Number of Ports | 2 |
| Outlet Connection Size | 0.25 Inches |
| Outlet Connection Type | NPT |
| Size | 1/4 |
| Specification Met | CE |
| Thread Size | 1/4 inch |
| Thread Type | NPT |
| Unit Count | 2 Count |
| Valve Type | Fuel Check Valve |
C**S
Quality and correctly sized
Nice construction, used for pond water feature rather than fuel so s tad over engineered for the purpose but I like that. Good fit well made.
R**.
Pesimo
Pesima calidad, no es de la medida que describe (mas chica) y no soporta mas de 5 psi de presión, no lo puedo devolver porque ya lo use!
M**D
Work will
Recommend
Y**D
The Flow Rate not what you can expected
sure was made from good material , but the flow not what you can expected.
G**D
As expected
Works perfect
Trustpilot
1 month ago
4 days ago