Product Model: D641X/F/H/Y

Nominal Pressure: PN0.6–4.0 MPa 

Applicable Temperature: ≤200°C

Main Material: Carbon steel, Stainless stee

Connection Type: Flanged

Pneumatic Actuator: Three-position pneumatic actuator

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

Valve Body

• Nominal Diameter: DN50–2400 mm

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

• Structural Type: Eccentric structure

Valve Internals

• Seat Seal: 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).