Filter Systems Australia




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All Items

GT0- Brackets

GT1- Filter Kits & Assemblies

GT2- Sediment Filters

GT4- Carbon Filters

GT5- Filter Media (Loose)

GT6- Inline Filters

GT7- U/V Systems

GT8- Filter Housings

GT9- Faucets

GT10- Quick Connect Fittings

GT11- R/O Components

GT12- Cluster Filters & Parts

GT13- R/O Membranes Housings & Tanks

GT14- Ball Valves

GT15- Brass Fittings

GT16- Gauges / Timers

GT17- Opening Handles

GT18- Pressure Limiting Valves

GT19- Plastic Fittings / Irrigation

GT20- Tubing / Hose

GT21- Teflon Thread Tape

GT22- Screws

GT23- O-Rings

GT24- Showers

GT25- Counter Top Parts

GT26- Chemicals

GT27- Dosing Pumps

GT28- Water Test Equipment

GT29- Analysis Reports

GT30- Fridge Filters

GT31- Fluid Reactors

GT32- Tapping Saddles

GT33- Poly Fittings

GT34- Risers PVC

GT35- Stainless Steel Parts, Hoses, Ball Valves, Fittings,

GT36- Media Vessels

GT37- Water Meters

GT38- Ozone & Parts

GT39- Shower Filters

GT40- Pool Fittings

GT41- Water Softeners

GT42- Hollow Fibre Filters

GT43- Stainless Steel Water Bottles

GT44- Silicone Greases, Glues & Tapes

GT45- Bag Filters

GT46- Coolers / Chillers

N - Magnets

N- Magnetic Tools & Tapes

Business Opportunity


Availability: In Stock



Photo 1


PRV - Pressure Relief Valve

Detailed Description 

PRV110 Pressure Relief Valve is the first quick connect valve on the market designed to help protect devices such as water filters, ice machines, fridges, coffee machine against pressure increase by water hammer and thermal expansion.

"Without a doubt the most intelligent and beneficial device to revolutionize the world of filtration."
We all know the importance of Pressure Limiting Valves in preventing equipment failure due to pressure spikes. By law, they need to be Australian Standard Approved and be installed on all municiple water supplies. However, Pressure Limiting Valves (PLV's) are just that. They limit the amount of pressure going to the system and aparatus inline, and after the PLV. What can, and does frequently happen, is Thermal Expansion.

Thermal Expansion is a problem that occurs after the PLV. Once water passes through the PLV it has a non return valve, which prevents expansion pushing back through the PLV. So where Thermal Expansion (due to heated, or in fact cooler enviroments, such as coolers, refridgerators, or where a water line after the PLV may be exposed to sunlight), expansion will occur building pressure in the system between the PLV and the appliance.

These pressures can be extraordinary, to the point where they can burst tubing or simply destroy fittings which obviously results in water damage/flooding, which must be avoided. The role of the Pressure Relief Valve (PRV) is not to replace the PLV, but to release pressure that may occur AFTER the PLV and before the appliance.

The PRV is extremely easy to install and comes in a kit form to suit all 1/4" filtration tubing. To install, simply select a location after the PLV, and cut the tubing with a sharp knife. Snap in a Quick Connector Tee with the PRV and extend the tubing from PRV to the drain clamp provided, or any other suitable location to drain. The only time the PRV will activate is in a situation caused by Thermal Expansion, where the PRV will release when the pressure build up reaches 110 PSI. It will continue to release until the pressure returns to under 110 PSI.

All acredited tubing and fittings used on coolers/heaters and filtration are tested well beyond 110 PSI. Therefore, by releasing at 110 PSI, the PRV gives the ulimate protection against malfunction.

• Offices
• Homes
• Caravans

Manufacturers Specifications:
Inlet: ¼"
OD Stem Diameter: 22.0 mm
Outlet: ¼"
Quick Connect Maximum Temp: 60ºC
Length: 88.6 mm
Minimum Temp: 1ºC

Patents for and in respect of the PRV110 have been applied for and are pending in Australia and other countries.

Installation and Operating Instructions:
A licensed plumber must carry out installation in accordance with local by-laws/Plumbing Codes. Ensure that the direction of the arrow marked on the product is in the direction of water flow. Fit downstream from a line strainer and an approved pressure-limiting valve. PRV110 must be installed with a physical air gap device such as Airgap faucet/Tun dish prior to discharge to drain line as in accordance with local Plumbing Codes.

Additional Documentation

We're Here to Help! 

If you have ANY questions big or small, please CLICK HERE.  An email form will appear informing us of the product you are enquiring about. Simply type in any questions you have, and we will be only too happy to promptly assist you.
Our product range is large and sometimes the best way to find the products most suited to your individual requirements is to contact us directly on 07 5597 4585
We pride ourselves on our prompt, efficient and helpful service and look forward to helping you with your enquiries. 


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