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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
Package Contents
- AVG PTR25-850-LF kPa PTR Valve 25mm (1") 850kPa
- Package Weight: 900g
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 5
Great organizer
Really happy with this little organizer. It’s the perfect size to sit next to my faucet, has a nice little drip tray, and is of good quality. Easily holds my dish soap, scrub daddy, and scrubber wand.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 28, 2023
★★★★★ 4
Handy and Functional
Likes-durable simplicity that holds and organizes sink side clutter. It’s cute for the kitchen with a farm, rustic, or industrial flair.
Only dislike- the water tray is a little tricky to remove if you’re in a hurry. It’s not enough I wouldn’t worry about buying this again, but, you will have to pay attention to remove and replace it.
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Reviewed in the United States on March 10, 2024
★★★★★ 5
Right size
Good quality,price was right.This item doesn't take up a lot of room
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Reviewed in the United States on March 6, 2026
★★★★★ 5
Small but efficient
It doesn't take too much space, so perfect for my small sink area. It has room for a bottle of dish soap, dish sponge and hand soap. The drip tray is pretty useful to keep the sink area free of mess.
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Reviewed in the United States on July 24, 2023
★★★★★ 5
Just what I wanted
Just what I wanted to get everything up off the countertop. It's large enough to hold dishwashing liquid, hand soap and a sponge. The drip tray below slides out to empty any water. I think it looks nice and organized.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 19, 2023
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