QB2 FLANGE DOUBLE PORT EXHAUST VALVE
Qb2 flange double port exhaust valve is applicable to the pipeline with water as the working medium
Model:DN40-DN200
Qb2 flange double port exhaust valve is applicable to the pipeline with water as the working medium
Model:DN40-DN200
the exhaust valve will quickly draw air into the pipeline to prevent pipe vibration or rupture.
Model:DN50-DN300
the negative pressure will appear in the pipe at any time. Automatic suction can protect the safety of the pipe.
Model:DN15-DN150