For heating, sanitary and compressed air systems, pumps and autoclaves Body in hot forged DZR brass Threading to BS2779 Hostaform inner valve Spring in 18//8 AISI 302-304 stainless steel Hydrostatic test pressures 30 bar/435psi (shell), 22 bar/315psi (seat) Compact design, allows flow in one direction only, indicated by arrow on valve body Installation in vertical, horizontal or oblique pipelines Snap-in, spring loaded non- return valve, WRC approved Low pressure drop, prevents water hammer Full flow area equal to nominal size
