Watts RMC Model 007/709

Double Check Valve (DCV)

Sizes	Model 007: DN15 to DN80 Model 709: DN80 to DN250	INLINE MAINTENANCE IS EASY ..... NO SPECIAL TOOLS REQUIRED
Hazard Rating	Medium
Must be registered	Yes
Standard	AS2845.1
Testable	Yes
Protection against back pressure and back-siphonage	Yes

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: 82ºC (DN15 - DN80), 60ºC (DN80 - DN250)

Specific Installation Requirements

	Not to be subject to freezing temperatures.
	Suitable for vertical or horizontal applications
Typical Containment Installation including Water Meter

	If device is removed from line, another device of equal or greater hazard rating is to be installed.
	May be located in a pit, depending on Local Authority Regulations.
	All devices shall be readily accessible.
	Line strainers to be fitted upstream (except in fire services).
	Resilient seated isolation valves to be installed upstream and downstream of device.
	Where water supply cannot be interrupted, parallel installations are required so that maintenance is possible.

Specification The assembly shall be fitted with replaceable positive seating, centre guided, encapsulated spring type check valves with removable seats. Access for service to be through covers secured with stainless steel fasteners. Check valve assemblies shall be removable, module-type which can be disassembled and serviced, and shall be retained in the body in such a manner so threads or fasteners do not come in contact with line fluids. Sizes DN15 - DN50 will be Gunmetal, DN65 - DN250 will be Fusion Bonded Epoxy Coated Cast Iron. - WATTS/RMC™ 007/709 OR EQUIVALENT
Specifications