Non-return valve for stopping water backflow when siphoning.

Features:
• 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.