Product     Decription

Quick-opening valve　DEVG10-50               Combination regulating valve　DEVRC20-50  

Combination　slowly open valve DEVSC20-50       Slowly open valve  DEVSG10-50            

Manually operated valve  DEVMG10-50           Combination quick open valveDEVC20-50

Regulating  valve   DEVRG10-80

For details,please consult：021-62091916 / 159-0048-6372