Three Piece Forged Trunnion Mounted Ball Valve - A & L Valve ...
Three Piece Forged Trunnion Mounted Ball Valve - A & L Valve ...
Three Piece Forged Trunnion Mounted Ball Valve - A & L Valve ...
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ISV Series BT3E & BT3G and ISV by MSA 3 <strong>Piece</strong> Construction <strong>Forged</strong> <strong>Trunnion</strong> <strong>Mounted</strong> <strong>Ball</strong>DESIGN DETAILSStem Design:Stem is anti blow-out design.Primary and secondary stem sealing isachieved by two independent rings.Injection port is provided for greaseinjection for emergency sealing in caseof stem seal damage.Double Block andBleed (DBB) :<strong>Ball</strong> valves are suppliedwith DBB feature.This feature enablesthe use of a singlevalve with two independentlyfunctioningseats on each end ofthe valve while allowingthe cavity betweenthe seating surfaces tobe vented or bled.<strong>Trunnion</strong> assembly at MSA5
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