China trunnion ball valve manufacturers, trunnion ball valve suppliers, trunnion ball valve factory. ZGV trunnion ball valves are manufactured in two piece split body or three piece bolted body; Side Entry, which is conforming to Standards API 6D, service temperature from low -46 to high temp 200 Degree C. these items are mostly fabricated in large diameters and serviced under high pressure pipeline fluid control systems. This series ball valves are with features of double block and bleed, Sealant injection device to prevent the leakages from stem and seat ring under emergency. All ZGV trunnion mounted ball valves are Fire safe designed and manufactured to standards API 607 or API 6Fa.
DESIGN FEATURES
» Full port or reduced bore
» Double block and bleed (D.B.B)
» Fire Safe; Anti-static device
» Blow-out proof stem
» Cavity pressure self relief
» Emergency sealant injection
» Optional locking device
» Optional stem extension
» Optional dual piston structure
» Optional Top flange to ISO 5211
Capabilities and Ranges
» Size Range: 2" thru 40" (DN25~DN1000)
» Pressure Rating: ASME #150 to 2500 (PN16~PN420)
» Body Material: Carbon steel, stainless steel, alloy steel, duplex steel; aluminum bronze
» Trim Material: Carbon steel, stainless steel, alloy steel, duplex steel, aluminum bronze
» Ends Connection: FLG R.F or R.TJ; Weld B.W or S.W
» Operation: Manually Lever or Gear; Electric, Pneumatic or Hydraulic
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