The Vacuum Relief Valve is designed to protect hot water supply systems and pressure vessels against negative pressure. It is especially well suited for many domestic and commercial systems. Max Working Pressure 1400 kPa Max Operating Temperature 80° C Flow Rate 1.55 litres per second at 6.8kPa differential.
MATERIALS:
Body - Brass Spring
Stainless Steel
* The Vacuum Relief Valve is designed to prevent vacuum conditions on controlled pressure water heater tanks.
* Also used for the elimination of back siphonage from swimming pools or tanks when fitted to the hose cock used for filling or topping up the pool.
* The relief of vacuum on water heater tanks broght about by tap outlets being below the base of the heater
* Any installation where vacuum formation can cause a problem
* Designed to protect hot water supply systems and pressure vessels
It works by preventing internal vacuum conditions that could result in burned out heaters and/or collapsed storage tanks – especially copper.
Installed on the cold water supply line, the AV50A Vacuum Relief Valve has a flow rate of 1.55 litres per second at 6.8kPa differential. Atmosphere admitted to the system prevents any vacuum from collapsing the storage tank. It is recommended that the Vacuum Relief Valve be installed in an upright position.
Prevents internal vacuum conditions - guards against siphonage, burnt-out heaters and collapsing of storage tanks and negative pressure.
Opens quickly in emergency situations - Opens on a one inch mercury vacuum.
Listed by CSA - Inspector friendly, peace of mind.
Every valve is tested for performance prior to shipping - Specify and install with confidence.
The Vacuum Relief Valve is available in the 1/2" size with male inlets.