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DS Series
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The series DS pressure regulator, a direct-acting type gas regulator, is suitable for low and medium pressure and widely used in both commercial and industrial installations using Natural Gas, LPG and other non-corrosive gases.

Product Features

Fail open:when the main diaphragm fails or the downstream pressure drops suddenly, the pressure regulator will be fully opened

With balance valve:Equipped with a balance valve to eliminate the influence of inlet pressure change on outlet pressure

Modularization: High reliability and keep in repair on line

With shut-off valve:Equipped with over-pressure/under-pressure shut-off valve

Main Technical Parameters
ModelDS200DS400DS600
CaliberDN 40DN 40 / DN 50DN 50
Connection sizePN16 / PN25  flangePN16 / PN25  flangePN16 / PN25  flange
Maximum inlet pressure0.5 / 1.9MPa0.5 / 1.9MPa0.5 / 1.9MPa
Outlet pressure range50kPa - 0.4MPa1.5kPa - 0.4MPa1.5kPa - 0.4MPa
ACUp to 2.5Up to 2.5Up to 2.5
SGUp to 5Up to 5Up to 5
Working temperature range-20 - 60℃-20 - 60℃-20 - 60℃
Cg350660930
Pressure tube specificationsregulation:φ10regulation:φ12 shot-off:φ8regulation:φ12 shot-off:φ8
Harmonized STDGB27790 / EN334