Pinch valve is a modified version of laboratory pinch-cock. A rubber sleeve is protected under a cast iron casting. The fluid passing through do not come in contact with either body covering or any other metal parts of the valve except the sleeve. Hence the body and other metal parts are almost permanently not subjected to the corrosive action of the fluid. The flow through the valve is s

Piston valve is a Seatless & Glandless valve. Piston valve valve up to the size 6" do not have any stuffing box. The salient feature of piston valve is that of the piston operation. The piston slides between the two packing rings made from specially imported material and do not rotate, hence there is minimum ware. The only warring part is the packing ring and that to after an extensive use. The tw