No 7 Dual Check Valves
The No. 7 Dual Check Valve range delivers proven performance in a proven design.
Dual Check Valves are designed to prevent cross connection of non-potable water into safe drinking water systems.
- Protects against back pressure and back siphonage
- Suitable for low hazard applications
- Compact and lightweight
- Corrosion resistant
N7155
DN15 Hi Temp M x F
N7B200
DN20 F x F
N7B201
DN20 F x M
N7320
DN32 F x F
N7400
DN40 F x F

AS/NZS 2845.1
WMKA1325
SAI GLOBAL

N7B201
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