---
product_id: 438305425
title: "EVIL ENERGY 1/2\" Fuel Check Valve One Way Inline Non Return, Black 12mm OD | 6061-T6 Aluminum Check Valve, Stainless Steel Spring, Helps Prevent Backflow, Max Pressure 6 Bar"
brand: "evil energy"
price: "AED 86"
currency: AED
in_stock: true
category: "Evil Energy"
url: https://www.desertcart.ae/products/438305425-evil-energy-1-2-fuel-check-valve-one-way-inline
store_origin: AE
region: United Arab Emirates
---

# Stainless steel spring ensures one-way fuel flow Handles up to 6 bar pressure for high-performance systems 6061-T6 aluminum alloy for ultimate durability EVIL ENERGY 1/2" Fuel Check Valve One Way Inline Non Return, Black 12mm OD | 6061-T6 Aluminum Check Valve, Stainless Steel Spring, Helps Prevent Backflow, Max Pressure 6 Bar

**Brand:** evil energy
**Price:** AED 86
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your ride with precision — no backflow, no compromises!

## Quick Answers

- **What is this?** EVIL ENERGY 1/2" Fuel Check Valve One Way Inline Non Return, Black 12mm OD | 6061-T6 Aluminum Check Valve, Stainless Steel Spring, Helps Prevent Backflow, Max Pressure 6 Bar by evil energy
- **How much does it cost?** AED 86 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ae](https://www.desertcart.ae/products/438305425-evil-energy-1-2-fuel-check-valve-one-way-inline)

## Best For

- evil energy enthusiasts

## Why This Product

- Trusted evil energy brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Wide Operating Range:** Performs flawlessly from -22℉ to 266℉, perfect for diverse environments and conditions.
- • **Rugged Aluminum Build:** Black anodized 6061-T6 alloy resists corrosion and wear for long-lasting reliability.
- • **Precision Flow Control:** Stainless steel spring guarantees zero backflow, maintaining stable fuel pressure every time.
- • **Effortless Installation:** Compact, lightweight design with barb inlet/outlet enables quick, hassle-free setup.
- • **Versatile Compatibility:** Ideal for carburetors and low-pressure fuel systems; supports petrol, diesel, gas, oil, air, and water.

## Overview

The EVIL ENERGY 1/2" Fuel Check Valve is a high-strength, black anodized 6061-T6 aluminum inline valve featuring a stainless steel spring for reliable one-way fuel flow. Rated for pressures up to 6 bar and temperatures from -22℉ to 266℉, it ensures stable system performance in various fuel and fluid applications. Compact and easy to install with barb connectors, it’s the go-to choice for professional-grade fuel system maintenance and upgrades.

## Description

Buy EVIL ENERGY 1/2" Fuel Check Valve One Way Inline Non Return, Black 12mm OD | 6061-T6 Aluminum Check Valve, Stainless Steel Spring, Helps Prevent Backflow, Max Pressure 6 Bar: Vacuum Tee Connectors - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- Specifications: 1/2 inch (12 mm) OD. Minimum upstream pressure: 0.2 bar (2.9 psi). Working pressure range: 0.2–6 bar (2.9–87 psi). Operating temperature range: -22℉ to 266℉ for reliable performance in various conditions.
- Material: Made of high-strength 6061-T6 aluminum alloy, the check valve is black anodized for enhanced corrosion and wear resistance.
- Feature: This EVIL ENERGY fuel line check valve is equipped with a stainless steel spring that allows fluid to flow in only one direction, effectively preventing fuel backflow and maintaining stable system pressure.
- Installation: The one way valve is compact and lightweight with barb inlet/outlet for quick, hassle-free setup in fuel lines.
- Application: The EVIL ENERGY fuel check valve is widely used in carburetor and low-pressure fuel systems. It is compatible with various media such as water, petrol, diesel, gas, oil, air, and other fluids.(Methanol is not recommended)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09TT4BVB5 |
| Best Sellers Rank | #1,467 in Automotive ( See Top 100 in Automotive ) #1 in Automotive Replacement Exhaust Check Valves |
| Brand Name | EVIL ENERGY |
| Connector Type | Barb |
| Customer Reviews | 4.5 4.5 out of 5 stars (3,159) |
| Exterior Finish | Stainless Steel |
| Inlet Connection Size | 0.5 inches |
| Inlet Connection Type | National Pipe Tapered |
| Item Dimensions | 3.94 x 0.79 x 0.79 inches |
| Manufacturer | EVIL ENERGY |
| Manufacturer Part Number | EV01342S12BK |
| Material Type | Aluminum |
| Maximum Pressure | 6 bar |
| Model Number | EV01342S12BK |
| Number of Items | 2 |
| Number of Pieces | 2 |
| Number of Ports | 2 |
| Outlet Connection Size | 0.5 inches |
| Outlet Connection Type | National Pipe Tapered |
| Set Name | 2 |
| Size | 1/2 |
| Specification Met | ASME, ANSI, API |
| Thread Size | 1/2 inch |
| Thread Type | NPT |
| Unit Count | 2 Count |
| Valve Type | Check Valve |

## Product Details

- **Brand:** EVIL ENERGY
- **Exterior Finish:** Stainless Steel
- **Inlet Connection Size:** 0.5 inches
- **Inlet Connection Type:** National Pipe Tapered
- **Item dimensions L x W x H:** 3.94 x 0.79 x 0.79 inches
- **Material:** Aluminum
- **Maximum Operating Pressure:** 6 bar
- **Number of Ports:** 2
- **Outlet Connection Size:** 0.5 inches
- **Outlet Connection Type:** National Pipe Tapered

## Images

![EVIL ENERGY 1/2" Fuel Check Valve One Way Inline Non Return, Black 12mm OD | 6061-T6 Aluminum Check Valve, Stainless Steel Spring, Helps Prevent Backflow, Max Pressure 6 Bar - Image 1](https://m.media-amazon.com/images/I/612GUm9VBeL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Questions & Answers

**Q: Would this valve be effective in a air/vapor system?**
A: yes, the valve can works in air system

**Q: Can this be used on a submersible 600gph water pump for the basement?**
A: This is a small check valve used for something like allowing a vacuum to be pulled in a single direction.  It would not be appropriate for use with a fluid pump unless it is simply being used as part of a venting system to remove air from the pump prior to use.

**Q: Do you install before fuel pump or close to carburetor**
A: Hi, it depends on your application, it usually installs close to the tank but you can put it closer to the fuel pump if you want. in any event it goes before the fuel pump as your trying to stop flow back.

**Q: Will this fit to Mazda Protege 2.0? Reference: 8574-20-309**
A: This check valve will fit any 1/4 or 6mm fuel line.

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*Product available on Desertcart United Arab Emirates*
*Store origin: AE*
*Last updated: 2026-08-30*