Ensure reliable fluid control with this professional-grade One-way Non-return Valve, designed with a durable aluminum head for extended lifespan compared to plastic alternatives. Featuring a clear arrow marking to indicate fluid flow direction, this valve effectively prevents fuel or fluid from flowing back into the tank, maintaining consistent line pressure and protecting your system from backflow. Key Features: · Durable Aluminum Construction: The aluminum head offers superior longevity and wear resistance, making it ideal for demanding environments. · Clear Flow Direction Indicator: An arrow marked on the valve body ensures correct installation and prevents reverse fluid flow, enhancing system safety and efficiency. · Versatile Application: Perfect for use with water pressure pumps, galley pumps, and other non-self-priming systems across marine, automotive, caravans/RV, and agricultural sectors. · Professional Grade Reliability: Engineered for stable performance and high reliability under varying pressure conditions. · Wide Operating Pressure Range: Supports cracking pressure of 1.5 psi and operates effectively within 1.5 psi to 65 psi, with a maximum backpressure of 72 psi. · Universal Fitment: Available in multiple cylinder diameters (6mm, 8mm, 10mm, 12mm) to accommodate different tubing sizes and system requirements. · Easy Installation and Replacement: Designed for straightforward integration and maintenance, minimizing downtime. Specifications: · Product Name: One-way Non-return Valve · Condition: New · Color: Silver · Construction Material: Aluminum · Valve Opening (Cracking) Pressure: 1.5 psi · Operating Pressure Range: 1.5 psi to 65 psi · Maximum Backpressure: 72 psi · Diameter Options: 6mm (0.24in), 8mm (0.32in), 10mm (0.39in), 12mm (0.47in) · Suitable Media: Petrol, diesel, biodiesel, water, coolant, oil, air/vacuum Package Includes: · 1 x One-way Non-return Valve This high-quality check valve offers dependable backflow prevention and fluid control for a variety of applications, combining durable aluminum construction with easy installation and versatile compatibility to meet professional and industrial needs.