Hydraulic actuator installed on the top of the bonnet which controls the open and close of the valve by hydraulic pressure Metal seal between the body and bonnet Backseat seal between the stem and the bonnet ,easy for the change of sealing stuff under pressure Sealing surface is hard-faced or the QBQ with the performance of anti-corrosion,wear-resistance Low operating torque End Connection: Flange,Thread,Union,BW Size:1 13/16- 7 1/16 Temperature:K. L .P. R .S. T. U. V Material:AA. BB. CC. DD. EE. FF PSL:PSL1-PSL3G PR:PR1. PR2 Pressure:2000-20000 PSI Application:Oil, Chemical industry, etc. Medium:Oil,Gas,Water,etc.
