Pressure Rating:Class 150 lb～Class 1500 lb

Material:A105,LF2,F304,F316,F304L,F316L

Design & Manufacturing:API 6D, ASME B16.34, API 608, BS 5351

Face-to-Face:ASME B16.10 ,API 6D,DIN3202

End Connection:ASME B16.5, (DIN 2543-2550),ASME16.25

Test and Inspection: ISO5208, API6D,BS6755

Operation Method:Manual,Worm Gear, Electric Actuator, Pneumatic Actuator

Fully welded structure whout leakage from middle flange is connected to the pipeline with butt-welded or flanged connection. The former is free of the leakage of the flange connection between pipeline and vavle while the former is easy for valve disassembly and maintenance. Structural types: plate welding, forge welding and cast welding. It is widely applied in buried pipelines for water delivery, chemical engineering, petroleum and natural gas, which can extend the interval of replacing and overhauling the valve. It has been well-received by numerous users by right of its high quality. Materials for sealing surface can be PTFE, nylon, alloy steel, STL, etc which can meet different requirements. Different acuator modes are adopted to meet the valve control requirement by different working conditions. And the biggest feature is that, its weight is about 10-20% lighter than that of the bolt structure type, and that it has such advantages as compactness, light weight, beautiful appearance and being lasting and durable compared with the normal ball valves with the same specifications. Having a long service life, it is widely applied in natural gas long-distance and buried pipelines with serious corrosion containing such gases as hydrogen sulfide; the ball valve with fully welded body can be buried underground directly to free its internal components from erosion and it has a service life as long as 30 years, which is the optimal valve for petroleum and natural gas pipelines.

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