... class,can be worked in moist conditions. 9.Large output torque, which suitable for the pipe system with much scaling.10.Long ... indication.17.Smart shape,perform reliably,brass gear,PPO parts,large output torque.18.Smooth flow, no block up19.Tight ... valve, hydraulic valve, electric valve, electronic valve.electric valve for water automatic control,brass or stainless steelmini motorized valve, actuated ...