China Ball valve manufacturer,factory and supplier-Ball valve

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Address: NO.720, Suide Road, Jiading District,Shanghai, China.
Ball valve manufacturer   

China top entry ball valve factory and supplier

  • Port size:2"~56" (DN50~DN1200)
  • Pressure:CL150-CL2500
  • Structure:Top entry,trunnion mounted
  • Medium:Water,steam,oil,gas,etc.
  • Temperature :-29~150℃,-40~450℃
  • Body material:WCB A105 CF8 CF8M F304 F316 F316L or others
  • Connection:Flange or others
  • Feature:China top entry ball valve factory
China top entry ball valve factory and supplier,top entry ball valve manufacturer in china, top entry ball valve is simple and quick to disassemble in the pipeline, convenient and quick to maintain.In the event of ball valve failure in the line that requires repair, instead of removing the top entry ball valve from the line, remove the flange bolts and nuts, remove the cover and stem assembly together from the body, and remove the ball and seat assembly.Top entry ball valve Ball and seat can be repaired online.This maintenance of top entry ball valve saves time and keeps production losses to a minimum.

Top entry ball valve feature
Top entry ball valve body is integral design, not because the stretch our microcosm ring valve using, sphere and valve seat are adopted top entry structure, maintenance and repair the ball valve does not need to be removed from the pipeline valve,top entry ball valve ball and stem can be adopted one-piece, effective solution to the stem and ball processing clearance, to ensure that the sphere of essence to determine the position and stem blow-out proof protection structure.The stem and bonnet seal of top entry ball valve is not an ordinary packing seal, but a packing box combination seal.Stainless steel top entry ball valve Ball and seat can be PTFE, PPL,Delvon,PEEK or metal hard seal upon customer's request.

Top entry ball valve performance
Nominal size: NPS 2 ~ NPS 24
Operating temperature: -46℃ ~ 121℃
Working pressure: CLASS 150 ~ CLASS 2500
Materials:CF8, F304, CF8M, F316, etc
Design standards: API 6D, ISO 17292
Structure length: ASME B16.10
Connecting end: ASME B16.5, ASME B16.25
Test standard: API 598, API 6D
Operation mode: manual, worm gear, pneumatic, electric
Medium: water, oil, natural gas

Top entry ball valve design characteristics
1.Top entry ball valve cover, ball, seat, stem and other parts can be disassembled and installed online to achieve the online maintenance function.
2.with locking device to prevent incorrect operation of  top entry ball valve.
3.Anti-fly stem design prevents abnormal increase of pressure in the cavity from forcing the stem to fly out and causing accidents.
4.Fire prevention and anti-static design.
5.Stainless steel top entry ball valve stem and seat are provided with grease filling system.
6. DBB double truncation and discharge functions.
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