Watts RMC Model 800

Pressure Vacuum Breaker Device (PVB)

Sizes	DN15 - DN50	FOR CONTINUOUS PRESSURE APPLICATION
Hazard Rating	Medium
Must be registered	Yes
Standard	AS2845.1
Testable	Yes
Protection against back pressure and back-siphonage?	Back-siphonage only

Testing & Maintenance requirements	Test after installation prior to service. Maintain in working order and inspect for operational function at intervals not exceeding twelve months. These functions to be carried out by authorised licensed testers.
Pressure & Temperature	Working Pressure: 1400kPa Test Pressure: 2000kPa Maximum Working Temperature: 60慢

Specific Installation Requirements

	Installation or other protection not to interfere with its operation, testing or maintenance
	Drainage from vent port should be readily visible but not as a hazard or nuisance.
	In the horizontal plane, vent is to point downwards with 300mm minimum clearance from ground to vent.
	Line strainers to be fitted immediately upstream.
	Approved resilient seated isolation valves shall be installed immediatly upstream and downstream of the device
	To be installed at least 300mm above the highest downstream outlet
	Not to be subject to flooding or freezing temperatures.
PERFORMANCE

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