Top Entry Trunnion Ball Valve

Available 150Lb-300Lb-600Lb-900Lb-1500lb~2500Lb

Top-entry-ball-valve00Structural features

Top entry trunnion ball valve are new products which developed upon the advanced technology abroad and through many years of the designing and manufacturing experience of ours. with technology up to domestic leading level, these products can compete with the internation couterparts. Besides the features borne by the side installed fixed ball valve (see fixed ball valve), Top entry trunnion ball valve are also given features below:

  1. One-piece valve body, top installed trunnion to fix and support, flanged or butt welded structure
  2. Inconel bellow spring makes the sealed metal seat moving toward the ball, proving the toward the ball way seal fuction of inlet and outlet
  3. Ease of repair and installation, long perfomance life. Acces for repair and replacement of trims may be done with no need to remove the valve from the pipeline, thus to lengthen the service life
  4. Low torque, reliable sealing, and spherical seat are different from ordinary ball valves, which can automatically adjust requirements.
  5. DBB (double block and bleed) fuction.
  6. hand operated top installed ball valve adopts high strength on-piece ball arm structure to ensure the precise positioning of the ball
  7. anti-blowout protective struture of valve stem to enhance the operation safety of the valve

Technical specification

Technical specificationAPI Series
Design codesAPI6D, API608, BS5351
Pressure/Temperature rating                                                    .ASME B16.34
Face to face dimensionASME B16.10
Flange endsASME B16.5, ASME B16.47
Butt weld endsASME B16.25
Inspection and testAPI598/API6D
Firesafe testAPI 6FA
Inspection of castings qualityMSS-SP-55


Headquarters and Factory
Anfeng Industrial Park – Dong’ou Industrial Zone, Oubei, Wenzhou

International Sales Office
Via A. Moro, 61 San Donato Milan – Italy

☎ Phone: +39 02 87 166 867
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