Introduction
Introduction
These non return valves can be used with ammonia and other non flammable refrigerants for ensuring correct direction of flow, suitable for refrigerants lines, where pulsation occurs ,creates dampening effect . Made of special steel body with hardened refection glass to ensure safety and quick reading. maximum pressures of 20 bar g and temperature range of -10 degree C/+ 100 degree C . sizes available from 7 1/2 inches.