SKU: 62037729090

AVG PTR25-850-LF 25mm 850kPa Commercial PTR Pressure Temperature Relief Valve

Name: AVG PTR25-850-LF 25mm 850kPa Commercial PTR Pressure Temperature Relief Valve
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SKU: 62037729090
Price: 127.50 USD
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Description

AVG PTR25-850-LF 25mm 850kPa Commercial PTR Pressure Temperature Relief ValveOverview Australian Valve Group (AVG) PTR25 850 LF 25mm (1") 850kPa PTR Pressure and Temperature Relief Valve (also known as TPR valve) is Australian Watermark approved and intended for commercial hot water service applications, with a high kilowatt rating of 132kW. Pressure and temperature relief valves, known PTR valves are critical mechanical safety devices for all hot water services. The temperature sensing probe monitors the hot water service's

Overview

Australian Valve Group (AVG) PTR25-850-LF 25mm (1") 850kPa PTR Pressure and Temperature Relief Valve (also known as TPR valve) is Australian Watermark approved and intended for commercial hot water service applications, with a high kilowatt rating of 132kW.

Pressure and temperature relief valves, known PTR valves are critical mechanical safety devices for all hot water services. The temperature sensing probe monitors the hot water service's temperatures. AVG PTR valve temperature probe is covered in a Teflon wrap to prevent any calcification build up overtime and to ensure long term accuracy. Inside the AVG PTR valve body, there is a piston mechanism that opens according to the pressure inside the water tank.

During the operation of the hot water services, the volume of the water will expand during heating cycles, as cold water heats up. This increased pressure can be dangerous if not regulated. The PTR valve regulates the pressure slowly dripping the water out of the tank in a controlled manner, usually via a discharge pipe into a drain or ground. Therefore, when the slow dripping is observed, it is just a perfectly normal PTR valve operation.

When there is a malfunction with the heating component or the thermostat in a hot water service, an uncontrolled heating can be extremely dangerous and explosions can occur catastrophically. PTR valve can detect this when the temperature and pressure exceed 99 deg or its preset pressure ratings. In this case, PTR valve will fully open and dump hundreds of liters of water to relieve the water heater tanks. The Kilowatt rating of the PTR valve refers to the rate that the PTR valve can dissipate this energy and this is regulated by Watermark and plumbing codes in Australia.

When a high kilowatt PTR valve rating is required in a commercial installation, a smaller sized 15mm or 20mm PTR valve must not be used as a cost cutting method for safety reasons.

Technical Details

Brand: Australian Valve Group (AVG)
Model: PTR25-850-LF
Watermark License Number: 2639
Expansion Rating: 132kW
Pressure Rating: 850 kPa
Temperature Rating: 99°C
Thread Size: 1" BSP (25mm) Male MI thread and female FI thread
Thread Size Physical Measurements: 33.249mm external male and internal female thread diameter (refer to the BSP sizing chart in the photo gallery)
Insulation Jacket Included
Material: DR Brass Body; Stainless Steel Pressure Spring; Copper/Stainless Steel Element; Silicon Seals.
Intended Use: For commercial hot water service applications where high Kilowatt rating is required for the PTR valves.
SKU: AVG-PTR25-850-LF