RMC No. 7
Dual Check Valve (Dual CV)
Sizes DN10 to DN40
Hazard Rating Low
Must be registered No
Standard AS2845.1
Testable No
Protection against back pressure and back-siphonage Yes

Testing & Maintenance requirements Not required by standard. It is recommended in redidential Containment installations that the Valve Check Components be charged at meter changeover.
Pressure & Temperature   Working Pressure: 1400kPa
  Test Pressure: 2000kPa
  Maximum Working Temperature: 70ºC (DN80 - DN250)
Specific Installation Requirements
The RMC No.7 Dual Check Valve should always be installed in an accessibile location to facilitate removal for servicing.
Valves can be installed vertically or horizontally.

Above Ground Detail
Below Ground Detail
Model
No		 DN Size Outlet
B.S.P		 Inlet Length mm
(approx)
N7100 DN10 10 F 10 F 94
N7150 DN15 15 F 15 F 94
N7200* DN20 20 F 20 F 100
N7201* DN20 20 F NSW Meter Thread 109
N7202* DN20 20 F Meter Thread 109
N7204* DN20 20 F NSW Meter Coupling 140
N7B200 DN20 20 F 20 F 100
N7B201 DN20 20 F Meter Coupling 100
N7250* DN25 25 F 25 F 114
N7320 DN32 32 F 32 F 165
N7401 DN40 40 F 40 F 165

* High Capacity

* High Capacity
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