Top entry ball valves
Pressure:150LB-2500LB
Size:2"-48"
Design Std:API6D,ISO14313,ASME B16.34
Fire resistance design conforms with:API607,ISO10497
Inspection&Test conforms with:API6D,ISO5208,API598
Product Material:ASTM A216 WCB,WCC, A351 CF8,A351 CF8M,A217 WC6,WC9


Features of 1 pcs ball valve:
TOP ENTRY BALL VALVE is mainly used in pipeline and industry system and it has a top entry and on line maintenance function.It has a lot of advantages,such as small fluid resistance,simple structure,small volume,light weight,reliable saaling,convenience for operation and maintenance,open and close quickly,as well as start and close flexibly.
Top entry
Its most difference from common ball valve is that its maintenance can be made on pipe line and without dismounting from the pipe line.The back space seat structure is adopted for the seat and the rear portion of seat retainer is oblique angle to prevent accumulation of impurity from affecting back space of seat.
One piece body
One piece body is used for the body to guarantee sufficient strength and rigidity under maximum rated operating pressure.The internal parts of valve are carefully designed and selected to ensure reliability under all kinds of operating condition.Enough margin wall thckness and adaptation of high strength connective bolts are convenient for valve maitenance and sufficiency to support the stress from piping.
Main connection dimensions of Top entry ball valve:





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