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Product model: Dd643H/Y/F
Valve body material: ductile iron, 304, 316, UPVC
Valve plate material: 304, 316, 316L, 1.4529
Seat Material: EPDM, PTFE, Alloy
Connection mode: pair clamp type, flange type
Pressure Level: PN10, PN16
Pneumatic actuator: three-stage pneumatic actuator
Pneumatic accessories: solenoid valves, limit switches, filters, etc.

Valve body

Nominal Path: DN40-DN1000

Valve body material: ductile iron, WCB, 304, 316

Connection modes: pair-clamp, flange-type, lug-type pair-clamp

Pressure levels: PN1.0, 1.6, 2.5, 4.0 MPa

Structural form: eccentric structure

Valve components

Seat Seal: EPDM: -30 ~120.

NBR: -30 80 C

PTFE: -30 ~140.

VITON: -30 150 C

Valve Plate Material: Ductile Iron Nickel Plating, Nylon Coating, Aluminum Bronze, 304, 316, 316L, 1.4529, 2507

Stem material: stainless steel 410, 304

Applicable media: water, liquid, gas, oil, powder, steam, acid-base corrosive media.

Design and Manufacture Standards

Design and Manufacture: GB/T12238-2008

Connection standard: JB/T 79.1-1994

Structural Length: GB/T12221-2005

Pressure test: GB/T13927-2008

Pneumatic actuator

Dual function: three-stage pneumatic actuator: 0 -45 -90 (order, please confirm the intermediate value)

Single function: turn off when gas source failure occurs, turn on when gas source failure occurs; 0 -45 -90 (order please confirm the median value)