Non-Return Check Valves Home / Non-Return Check Valves / Unidelta Non Return Valve. Single Union Spring Check Valve. Hose Tails (5 Sizes) Unidelta Non Return Valve. Single Union Spring Check Valve. Hose Tails (5 Sizes) Unidelta Non Return Valve. Single Union Spring Check Valve. Hose Tails (5 Sizes) £19.99 £16.66 (ex. VAT) SIZE: 1/2" Hose Tails 3/4" Hose Tails 1" Hose Tails 1.1/4" Hose Tails 1.1/2" Hose Tails Information Specifications Reviews Non Return Valve. Single Union Spring Check Valve with Hose Tails (5 Sizes) A check (Non-Return) valve normally allows fluid to flow through it in only one direction. Single union design permits quick and easy removal of valve body for service and maintenance. Self-sealing stainless steel spring equipped not dependent on gravity. Reliable back-flow prevention when installed vertically or horizontally. Quick and easy disasembly without use of special tools. Maximum working pressure is 150PSI @ 73 degrees F 5 year manufacturers warranty Works when used vertically or horizontally Main body is made from PVC Seals are EPDM The Spring is Stainless Steel (highly corrosion resistant) Valve made in Italy Brand: Unbranded Condition: New Weight: 1.5kg Customer reviews No reviews left yet Write A Review Sort byMost RecentTop Rated No reviews have been left for this product, be the first to leave a review