Produced at the request of leading companies in the Drinks Dispense Industry, the Super Speedfit Acetal Single Check Valve ensures protection against reversal of flow. The low headloss design and fast installation time make the valve the ideal selection. The valve is designed for use with liquids, it is not suitable for air and vacuum applications.Working Pressures and Temperatures 10 Bar at 20?C 7 Bar at 65?C intermittent hot water Minimum temperature 1?C Typical 'crack open' pressure 0.02 Bar Additional Details ------------------------------ Bullet point: JOHN GUEST CHECK VALVE: This push-to-connect check valve allows you to prevent the reverse flow of water quickly and easily; suitable for reverse osmosis systems, ice makers, coffee and beverage dispensing equipment, hydroponics, and aquarium/aquatics Specification met: