[2 Packs] BOYISEN 6mm 1/4'' Aluminium Non-return One Way Check Valve Petrol Diesel Oil (6mm(1/4''))

Specifications

About this product

Features 1. Prevents fuel from returning back to the tank and keeps it in the line. 2. Fit for Carburetors and low pressure fuel systems. 3.The life of aluminum head is longer than plastic head. 4.Easy installation and replacement. Specification Material :Aluminum Color : Silver Diameter : 6mm / 1/4" 8mm/5/16" 10mm/3/8" Opening pressure: 0.2 bar Working pressure range: 2.9-87 psi(0.2 - 6 bar) Operating temperature range: -30°C - 130°C(-86℉-266℉) FQA What’s size does the valve work with? The size of our one way check valves listed is inner diameter, 6mm(1/4”) is working with a pump with 1/4” internal diameter hose, 8mm(5/16”) is working with a pump with 5/16” internal diameter hose, 10mm(3/8”) is working with a pump with 3/8” internal diameter hose. What’s the working pressure and operation temperature? Working pressure range: 2.9-87 psi(0.2 - 6 bar), operation temperature: -30°C - 130°C(-86℉-266℉) Which position to install the non return check valve would working better? Ahead or behind the fuel pump? The fuel check valve usually installed next to the gas tank, it always goes before the fuel pump so as to stop back flow. What if the check valve come broken or stop working We tested every valve before package, it should be individual case if there’s any quality issue, please let us know in time, you’ll get replacement or refund within 24 hours Package include 2x Fuel Non Return Check Valve