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                    • Pneumatic
                    • Pneumatic Wafer Hard Seal Butterfly Valve

                      Product model: D673H/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 ~PTFE:-30 ~140 ~VITON:-30 ~150 ~

                      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)