Flange Butterfly Valve (Wafer Type)

Basic Info
  • Model NO.: D343

  • Connection Form: Flange

  • Seal Form: Force Sealed

  • Work Pressure: High Pressure (10.0mpa< Pn <80.0mpa)

  • Material of Seal Surface: Metal Hard Sealed

  • Application: Industrial Usage, Water Industrial Usage, Household Usage

  • Pressure: Class 150~Class 600

  • Connection: Flange, Wafer, Butt-Welding

  • Trademark: OEM

  • Origin: Wenzhou

  • Driving Mode: Manual

  • Structure: Three-Eccentric Sealing

  • Valve Stem: Extended

  • Working Temperature: Medium Temperature (120&#176;C<T<450&#176;C)

  • Valve Body: Casting

  • Size: Dn40~Dn2400

  • Material: Ci, Di, CS, Ss

  • Seat: Metal Seat, PTFE Seat, Rubber Seat

  • Specification: D343

  • HS Code: 8481804090

Product Description
Flange butterfly valve
Wafer butterfly valve


Size: 3"(DN80)-96"(DN2400) 
Pressure: 150LB-600LB / PN16- PN100 
Material: WCB, WCC, WC6, WC9, C5, C12, C12A, LCB, LCC, LC1, LC3, CF8, CF8M, CF3, CF3M, CF8C 
Medium: Water, oil, gas, steam 

Standards: 
1) Design and manufacture: API609 MSS SP-68 
2) Face to face/end to end: ANSI B16.10 
3) Flange dimensions: ANSI B16.5A 
4) Butt welding dimensions: ANSI B16.25 
5) Pressure temperature rating: ANSI B16.34 
6) Inspection and test: API598

2. Main Part & Materials

Part NamesPart Materials
BodyWCBLCBWC6CF8CF8MCF3CF3M
DiscWCBLCBWC6CF8CF8MCF3CF3M
StemF6aF304F6aF304F316F304LF316L
Seat/Seat RingPTFE/RPTFE/NYLON/DEVLON/PEEK or METAL
PackingGraphite/PTFE
GasketSS304+Graphite/SS304+Graphite
Bolts/NutsB7/2HL7/4B16/4B8/8B8M/8MB8/8B8M/8M
Suitable MediumW.O.G etc.HNO3, CH3OOH etc.
Suitable Temperature-29~425 &#176;C-46~340 &#176;C-46~340 &#176;C-196~427 &#176;C-196~427 &#176;C-196~427 &#176;C-196~427 &#176;C