Product Model：D673H/F 

Body Material：Ductile Iron、304、316、UPVC 

Disc Material：304、316、316L、1.4529 

Seat Material：EPDM、PTFE、Alloy 

Connection Type：Wafer Type, Flanged

Pressure Rating：PN10、PN16 

Pneumatic Actuator：Three-position pneumatic actuator

Pneumatic Accessories：Solenoid valve, Limit switch, Air filter regulator, etc.

Valve Body

• Nominal Diameter: DN40–DN1000

• Body Material: Ductile iron, WCB, 304, 316

• Connection Type: Wafer, Flanged, Lug wafer

• Pressure Rating: PN10, PN16, PN25, PN40 (1.0, 1.6, 2.5, 4.0 MPa)

• Structural Type: Eccentric structure

Valve Internals

• Seat Seal Material & Temperature:

  • EPDM: -30°C to 120°C

  • NBR: -30°C to 80°C

  • PTFE: -30°C to 140°C

  • VITON: -30°C to 150°C

• Disc Material: Nickel-plated ductile iron, Nylon coated, Aluminum bronze, 304, 316, 316L, 1.4529, 2507

• Stem Material: Stainless steel 410, 304

• Applicable Media: Water, liquids, gases, oils, powders, steam, acidic and alkaline corrosive media.

Design & Manufacturing Standards

• Design & Manufacture: GB/T 12238-2008

• Connection Standard: JB/T 79.1-1994

• Face-to-Face Dimensions: GB/T 12221-2005

• Pressure Test: GB/T 13927-2008

Pneumatic Actuator

• Double-acting: Three-position pneumatic actuator: 0°-45°-90° (Please specify the intermediate position when ordering).

• Single-acting: Fail-close on air failure, Fail-open on air failure; 0°-45°-90° (Please specify the intermediate position when ordering).