... : 0.05-1.0Mpa Matching Propotion:0-50% Automatic Gas Mixer HY series other automatic proportioning - NX specializing in device two ... flow, mass flowmeter, automatic control valves, gas composition analysis instruments, mixer and intelligent control system.FeatureAutomatic proportioning device is mainly have ... : 0.05 ~ 1.0 MPaMatching proportion: 0 ~ 50% Automatic Gas Mixer