Outline

The high performance butterfly valve adopts the design of double-eccentric structure. The shaft carries out double deviation from the structural center of the body and makes the disc leave the sealing seat instantly when it is opened in conjunction with the arc sealing face design of the disc. So as to reduce the friction of the sealing face. The disc has good sealing performance during closing. In addition to realizing effective compensation for the seat seal, the central self-positioning sealing seat structure design and the unique seat compensation sealing design reduce the friction during opening and closing, greatly reduce the operating force of the valve and effectively enhance the control precision of the butterfly valve.

The 70E Series butterfly valve is Featured by stable and reliable sealing performance, long service life, etc. It is suitable for control and shut-off applications of common corrosive gases and liquid media.

Actuator and auxiliary

control device

Pneumatic

Electric

Pneumatic-hydraulic

Worm gear

Application                          Parameters of control valves:

Air separation, chemical industry, petroleum     Trim features:  double-eccentric structure,

Chemical fiber, electric power, metallurgy       Body type:    straight-through type

Pharmacy, environmental protection                        Compensation type sealing seat,

Valve disc arc surface

                                         Bonnet type:   standard integral type

                                    Flow characteristic: approximately equal percentage

                                    Shut-off class:  ASME B16.104 VI (standard seat)

Manufacturing range                         ASME B16.104 IV (metal seat)

Size range:      DN"2"-48"             Pipe connection type:  wafer type, flange type

Pressure rating:  150-300LB            Applicable temperature range:  -45℃ -250℃

PN1.0-4.0Mpa         Actuator type:      pneumatic piston actuator

Connection type: wafer type, flange type                     electric actuator