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| Available Sizes | 1/4 inch, 5/16 inch, 3/8 inch, 1/2 inch (6mm / 8mm / 10mm / 12mm) |
| Opening Pressure | 0.5 PSI |
| Maximum Working Pressure | 87 PSI |
| Operating Temperature | -22℉ to 266℉ |
| Material | 6061-T6 Aluminum Alloy |
| Surface Treatment | Black Anodized (Corrosion & Wear Resistant) |
| Internal Mechanism | Stainless Steel Spring |
| Connection Type | Barb Inlet / Outlet |
| Compatible Media | Fuel, diesel, oil, coolant, air, methanol, ethanol, E85 |
| Package Includes | 4 × One Way Fuel Check Valves (Mixed Sizes) |
This EVIL ENERGY one way fuel check valve set is designed to maintain stable system pressure by preventing fuel and fluid backflow in low-pressure applications. Featuring a low 0.5 PSI opening pressure, it ensures smooth flow without restricting delivery. Constructed from anodized 6061-T6 aluminum with a stainless steel internal spring, these valves deliver durability, corrosion resistance, and reliable performance across fuel, coolant, and oil systems.



| Policy | Details |
|---|---|
| Cancellation Policy | Orders can be canceled within 48 hours of placement. Refund processed in 3-5 business days. |
| Returns Policy | Returns accepted within 180 days. Full refund within 90 days; 15% fee for 90-180 days. |
| Non-Returnable Items | Only regular-priced items are eligible for refunds; sale items are non-refundable. |
| Refund Processing | If no refund received, check your bank/credit card. For ongoing issues, contact support@ievilenergy.com. |
Effective from August 25, 2024. Price drops within 7 days of purchase can be claimed.
EVIL ENERGY reserves the right to interpret, modify, or terminate this policy in accordance with applicable laws and regulations.
If you need further information or assistance, feel free to ask!
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