Pinch valve is a modified version of laboratory pinchcock. 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 straight an... 
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It is a Seatless & Glandless valve   The valve up to the size 6” does not have any stuffing box. The salient feature of this valve is that of the piston operation. The piston slides between the two packing rings made of asbestos PTFE and does not rotate; hence there is minimum ware. The only warring part is the packing ring and that to after an extensive use. A ported lanter... 
Click for Details [ Offer Expiry Date : 29-Aug-2011 ]