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The PTR and ECV valves of the hot water service can leak excessively or even in a continuous stream as consequences
Flow Rate: 145L/min@600kPa
Thread Size: 1/2" BSP (15mm) Compression Fitting with Copper Olives (15C x 15C)
where PTR and ECV valves must be used instead for the pressure relief
Caleffi is one of a rare few manufacturers in Australia offering pressure reduction valves that can adjust to a pressure setting as low as 100kPa
AVG QPL-20 Noise Reduction Quiet Valve 20mm 3/4" for Washing Machine/Dish Washer Hose Tap The PTR and ECV valvesOverview AVG QPL 20 noise reduction quiet valve with 20mm 3 4" Female to Male thread. Australian Watermark approved. This valve is ideal for reducing noise from high velocity flow plumbing applications such as dishwashers and washing machines, where water hammering and pipe noise could occur. Technical Details Manufacturer: Australian Valve Group (AVG) Model: QPL 20 Specifications: Maximum Temperature: 80C Maximum Inlet Pressure Rating: 1400kPa Outlet