APV / SPX Double Seal Safe Flow Delta SD4 Valves
APV / SPX Double Seal Safe Flow Delta SD4 Valves Product Benefits and Features Safe Separation of Incompatible Media With two serial seat seals and a separation cavity, the DELTA SD4 valves are designed for safe media separation. Excellent Hygienic Features DELTA SD4 valves have excellent hygienic characteristics due to a number of design features: