VALVES

The standard Blackmer BV125A for Anhydrous Ammonia (NH3) service is factory set at 125 PSI differential pressure, features 1.25" flanged connections, ductile iron construction. It provides full-flow pressure control by recirculating excess flow back to the supply tank to protect the pump and system. 

The standard Blackmer BV2A for Anhydrous Ammonia (NH3) service is factory set at 125 PSI differential pressure, features 2-inch flanged connections, ductile iron construction, and is suitable for pumps up to a 350 PSI maximum working pressure. It provides full-flow pressure control by recirculating excess flow back to the supply tank to protect the pump and system.