Pneumatic Double Eccentric Butterfly Valve
Pneumatic Double Eccentric Butterfly Valve
Brief Description

Pneumatic double eccentric butterfly valve is improved on the basis of a single eccentric butterfly. The structure is characterized by both the stem axis deviation from the center of the disc, but also deviated from the center of the body. Effect of the d

Details

Body

·Nominal diameter: DN50~1200mm

·Nominal Pressure: PN0.6, 1.0,1.6, 4.0MPa ANSI 150～300LB
·Connection: Flanged, Wafer type

·Body material: WCB, CF8, CF8M,CF3M etc.

·Packing: PTFE, Flexible Graphite

 

Trim Parts:

Disc type: Middle line disc

Flow Characteristic: On-off type, EQP

Disc Material:  CF8, CF8M, CF3, CF3M

 

Actuator

1, Pneumatic Actuator

Model: 6300 Cylinder Actuator

Air Supply: 400～700kPa
Gas joint   G1/4”, G1/8”, G3/8”, G1/2

Acting: Single, Double acting

 

2,Electric Actuator

Model: 6200 Series Electric Actuator

Voltage: 220V、380V

Ambient temperature  -30~+70℃

 

Performance

Leakage:       Metal Seal:      Conforms to ANSI B16.104 IV

               Non-metal Seal:  Conforms to ANSI B16.104 VI

Adjustable Ratio: 100:1

Return Difference: 1﹪(With positioner)

Linear: ±1﹪(With positioner)

Accessories (Equipped according to requirement)

Positioner, Air filter regulator, hand wheel, limit switch, solenoid valve, pneumatic valve, lock up valve.