Thanks to the plastic valve disk with O-ring, the RK 70 is quiet-running and therefore especially suitable for heating and hot water systems.

The RK 71 has metal-to-metal sealing and can be used for liquid, gas and steam in Fluid Group 2 (non-toxic media).

DISCO non-return valves RK 70 and RK 71

for sanitation and heating

Thanks to the plastic valve disk with O-ring, the RK 70 is quiet-running and therefore especially suitable for heating and hot water systems.

The RK 71 has metal-to-metal sealing and can be used for liquid, gas and steam in Fluid Group 2 (non-toxic media).