Ideal for stopping water backflow from siphoning.Stainless spring - No corrosion or risk of internal valve staying open.Very low opening pressure with minimal restriction on flow-rate.Minimal installation room needed and no other fittings required.The White Arrow identifies water flow direction.Recommended operating pressure: 0 - 150 psi (Max 230 psi).Recommended operating temperature: 65°C (Max 93°C).Glass reinforced nylon composite - High strength, stiffness and light weight.Immune to corrosion and electrolysis for long service life.Chemical resistant - Impervious to diesel, petrol and antifouling paints.UV resistant, suitable for all marine environments.Other Details: Part No. Hose Tail Ø Colour RecommendedFlow-rates(Litre/min) Opening Pressure(psi) (in) (mm) 450041 1" 25 Black 25 – 79 ~ 0.29 450045 1-1/2" 38 Black 61 – 193 ~ 0.23
