Morrison Bros 158A-0600 AV 2" Vertical Check Single Poppet 3" Mis-filling prevention device eliminates the

Mis-filling prevention device eliminates the risk of accidental DEF filling or environmental contamination

An added screen installed at the base prevents debris from intruding from the vent stack

2" Air King - Zinc Coated Iron

Double disc design provides positive shut off when in the closed position

Top Mounted Vacuum Test Port - For quick and easy access

Morrison Bros 158A-0600 AV 2" Vertical Check Single Poppet 3" Mis-filling prevention device eliminates theSingle poppet one way check valve used to prevent backflow in supply lines or used as a prime holding valve in suction systems. NOTE: Opening pressure settings are approximate. Standard Features Soft seat Thermal expansion available (25 PSI approximate) 1 2 to 2 PSI spring setting Construction Details Body: Brass Cap: Brass Plunger: Brass Spring: Stainless steel Discs: Buna N (FKM and PTFE available) Expansion valve: Brass with FKM