RC Air Release Valves for IrrigationThe RC is a heavy duty cast valve specifically designed for an irrigation environment where the air valve may be exposed to a variety of elemental conditions.The RC is a Cast ductile Iron valve that is fully epoxy coated. Available as a DN25 Single acting small orifice air valve, or a DN50 Double Acting Air Valve. The small compact robust valve is ideal for simpler applications where basic air release and vacuum breaking requirements are required.The basis of the Vent-O-Mat design is in the understanding of the physical laws that govern air valve and pipeline operation. Reaction to pipeline dynamics is therefore instantaneous and protection provided is relevant to the pipeline’s needs.Double Acting “Anti-Shock” Air Release and Vacuum Break ValveThe DN50 Incorporates the Trade Mark Vent-O-Mat “Anti-Shock” Technology marrying it with the patented diaphragm operated cartridge which allows full discharge through a 32 mm port in both pressurized Air Release and “Anti-Shock” Air Discharge Modes through a and12 mm 3 port.Single Acting Small Orifice Air Release valveThe DN25 mm and DN15 mm Single Small orifice Valve use the same diaphragm technology to offer the best possible discharge under pressurized discharge conditions.