Air & Vacuum Relief

Air release, air vent and vacuum breaker valves protect pipelines, pumping systems and water distribution networks by automatically releasing trapped air and preventing damaging vacuum conditions. These essential pipeline protection valves improve flow efficiency, reduce water hammer and help extend the service life of pumps, valves and pipework. Our range includes automatic air release valves, combination air and vacuum valves, vacuum breakers and air vent valves in ductile iron and 304 stainless steel. Available with BSP threaded and flanged connections for potable water, wastewater, irrigation and industrial process systems. Designed for water treatment, pumping stations, HVAC, process engineering and municipal infrastructure, these valves help eliminate trapped air, prevent pipeline collapse during draining and ensure reliable, efficient operation. Typical Applications ✓ Water distribution systems ✓ Pumping stations ✓ Irrigation systems ✓ Wastewater treatment ✓ Industrial process pipelines ✓ HVAC systems ✓ Fire protection systems ✓ Municipal infrastructure