About bs5163 ductile iron gate valve
Spherical bonnet gasket set inside a recess groove in bonnet protecting against it from remaining blown out by stress surgesThe wedge has a sizable via bore and as there are no hollows in the Main, stagnant h2o or impurities are unable to accumulate and bring about contaminationFusion Bonded Epoxy Coating Our resilient wedge gate valve is coated us