... -rising Stem GateProduct PictureProduct Feature -Metal seal between the body and bonnet -Backseat seal between the stem and the bonnet , ... able to indicate the open or close state of the valve. -Low operating torque End connection Flange,Thread,Union,BW ... Stainless Steel+HF+QBQ ,Stainless Steel+QBQ Product application Oil, Chemical industry,etc. Product avliable Oil,Gas,Water,etc. Product inspection