Duplex butterfly valve
  • Weidouli Valves Co.,Ltd-1st Plant.: No.10, Fukang West Road, Yongxing Industrial Zone, Wenzhou City, P.R.China 2nd Plant.: No.20, Xingyu Road, Airport Industrial Zone, Wenzhou City, P.R.China-Website:http://www.wsv-valve.com-TechnicalSpecificationDesign Standard: API, ASME, EN, ISO, JIS,DIN, BS, GBConnection type: Flange, Wafer, SW, NPT, BWPressure range: 150LB~1500LB,1.0MPa~25.0MPa, JIS10K~100KSize range: NPS3/8”-32”,DN10~DN800Drive: Lever, Gear, Electric, Pneumaticactuator…
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Technical Specification

Design Standard: API, ASME, EN, ISO, JIS, DIN, BS, GB

Connection type: Flange, Wafer, SW, NPT, BW

Pressure range: 150LB~1500LB, 1.0MPa~25.0MPa, JIS10K~100K

Size range: NPS3/8”-32”, DN10~DN800

Drive: Lever, Gear, Electric, Pneumatic actuator


Design Feature:

Resilient seal or Metal to metal seal

Full bore or Reduce bore

Fire safe design, Anti-static device, Blow-out proof stem,

Double block and bleed function

Grease injection for seat & stem

Cavity pressure self-relief         

Optional lockable device

Anti-leakage design packing & packing box

ISO 5211 mounting pad


Main Part Material :


Duplex S31803、Super Duplex S32750、Super Duplex S32760

1A、、2A、3A、4A、5A、6A、1B、1C

CD4MCu、CD4MCuN、CD3MCuN、CE8MN、CD6MN、CD3MN、CE3MN、CD3MWCuN

F51、F53、F55、F60