2Pcs 5/16" 8mm Fuel Line One Way Non Return Check Valve Petrol Diesel Oil Water

2Pcs 5/16" 8mm Fuel Line One Way Non Return Check Valve for Petrol Diesel Oil Water

These 5/16 inch 8mm one way non return check valves allow flow in a single direction for petrol, diesel, oil, and water lines.

Overview

This pair of 5/16 inch 8mm check valves is built for fuel and fluid lines, letting flow pass one way and blocking it from returning. They work with petrol, diesel, oil, and water, making these non return check valves useful for a range of low pressure line setups. Sold as a set of two, they suit anyone refreshing or building a fuel or fluid system.

Built For Performance

• One way non return design stops backflow in the line
• 5/16 inch 8mm size fits common fuel and fluid hose
• Works with petrol, diesel, oil, and water
• Sold as a set of two valves
• Simple inline installation

On-The-Job Use

• Fuel lines on petrol and diesel equipment
• Oil line setups needing one way flow control
• Water line applications in low pressure systems
• Inline fluid routing on small engines and machinery

Specs At A Glance

Good To Know

Q: Which direction should the valve be installed? A: The valve allows flow in one direction only, so match the arrow or flow marking to your intended line direction. A: Installing it backwards will block flow.

Q: Can these be used with both fuel and water? A: Yes, they are suited to petrol, diesel, oil, and water lines. A: Confirm your hose inner diameter matches the 5/16 inch 8mm size.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.