Top-Entry-Ball-Valve

1. Description of Top Entry Ball Valve:

    The main advantage of top entry ball valve is convenient maintenance. It can be easily maintained by

    dismantling the top bonnet without take it off from the pipeline at site. There are several distinct features 

    such as one piece body design, DBB and especially the extended stem and bonnet.

2. Design Features:

    Sealant Injecion Devices, Double Block and Bleed, Anti-Static Design, Fire Safe Design.

    Side Entry / Top Entry, Full Port / Reduced Port, Soft Seated / Metal Seated, Anti-Blow-Out Stem

3. Design Standards:

    API 6D, API608, BS5351, ASME B16.34

4. Size an Pressure:

    2" ~ 24" (DN50 ~ DN600), 150LB~2500LB

5. End Connection and Operation Type:

    RF, RTJ, BW, NPT;  Lever, Worm Gear, Electrical, Pheumatic, Hydraulic

6. Material Specification:

    Body: WCB, LCB, A105, CF8, CF8M, CF3, CF3M, F304, F304L, F316, F316L, LF2, F51, Aluminium Bronze

    Ball: A105+ENP/TCC/CCC, F304, CF8, CF8M, CF3, CF3M, Aluminium Bronze

    Stem:  A186 F6, F304, F316, F304L, F316L, Aluminium Bronze

    Seat Ring:  PTFE, NYLON, PEEK, HF, or Metal Seated

    Gaskets & Packings: PTFE, Flexible Graphite or Stainless Steel

    O-Ring: Viton;  Spring: AISI 6160 17-17PH, 17-7PH

    Trunnion: A186 F6, F304, F316, F304L, F316L, Aluminium Bronze

    Bolts & Nuts: B7/2H, B8M/8;    Gland: F6, F304, F316, F304L, F316L, Aluminium Bronze

    Bonnet: WCB, LCB, A105, CF8, CF8M, CF3, CF3M, Aluminium Bronze