All Valve Industries is a supplier and distributor of valves and associated goods. We supply excellent quality products at competitive pricing, in a timely manner. Our product range is not limited to those products that we stock. We also draw on our extensive knowledge of the valve industry to source valves that will suit a customer's individual needs.
Adjusting the set pressure on a PRV can be achieved with the pressure loss chart, however, for best results this can be achieved on site more accurately.
Plumbing Connection magazine investigates the dual stage pressure control design on a 36 storey building in Sydney. With increasing building heights and developers trying to maximise floor space, innovative solutions need to be considered to control pressures in these applications.
A team from WGE, led by Dr Houman Tamaddon, have tested pressure reduction valves used a dual-stage configuration to offer a potential solution for high-rise developments. A test rig was set up using a prototype provided by All Valve Industries and Caleffi Group, to measure performance of dual-stage compared with a conventional single-stage design. Read more...