January 08, 2025

Stainless Steel Disc Wafer Type Butterfly Valve

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  • Model NO.: DN50-DN1400
  • Connection Form: Wafer
  • Seal Form: Force Sealed
  • Work Pressure: Mid-Pressure (2.5mpa< Pn <6.4mpa)
  • Material of Seal Surface: Soft Sealed
  • Application: Industrial Usage, Water Industrial Usage, Household Usage
  • Pressure: Low Pressure, Medium Pressur
  • Face-to-Face: ISO 5752-20.En558-20
  • Trademark: GHL
  • Specification: ASTM, ANSI. API, DIN, JIS
  • HS Code: 8481804090
  • Driving Mode: Manual
  • Structure: Centre Sealing
  • Valve Stem: Normal
  • Working Temperature: Medium Temperature (120°C<T<450°C)
  • Valve Body: Casting
  • Suitable Media: Water, Oil and Gas.
  • Valve Design: BS En593/BS5155/API609
  • Flange Accommodation: ANSI B16.1 Class125
  • Transport Package: Seaworthy Packing
  • Origin: Tianjin, China
Stainless steel disc wafer type butterfly valve 
Specifications
 
Size: DN25-1200 (1"-48")
Pressure: PN10/16( 150/200 PSI)
Actuator: handle/gear box /pneumatic /electric
Standard: API, ASTM, ANSI , DIN, BS, JIS ,ISO
End connection: wafer type, flange type, lug type
 
Body: aluminum, cast iron, ductile iron, carbon steel, stainless steel
Disc: cast iron, ductile iron, carbon steel , stainless steel
Stem: carbon steel, stainless steel
Seat: EPDM, PTFE, NBR
Techinical parameters
DN(MM) 50-2000 50-1600
Pn(MPa) 0.6 1 1.6
Sealing Test(Mpa) 0.66 1.1 1.76
Strength test(Mpa) 0.9 1.5 2.4
Suitable temperature NBR-40ºC-90ºC:FPM:-20ºC-200ºC
Applicable medium Water, air, gas,oil and weak corrosive fluid
leakage rate comply with the standard of GB/T13927-92
Driving Mode worm gear drive, electric, pneumatic,hydraulic
 
Standard JIS10K, ANSI150 #, ANSI/API, BS, GB....
Pressure PN10, PN16, ......
End connection Wafer, lug, flange, U type.....
Name Optional Materials
Body Ductile Iron(DI, QI, GGG40), Gray Cast iron(CI, GG25), Cast Steel(WCB), Stainless steel(304/306, 304L/316L, CF8/CF8M), Aluminum,  Bronze(T), etc.
Disc Ductile Iron(DI, QI, GGG40), Gray Cast iron(CI, GG25), Cast Steel(WCB), Stainless steel(304/306, 304L/316L, CF8/CF8M), Aluminum,  Bronze(T), etc.
Shaft/Stem Q235, SS410, 416SS, 316SS, 304SS, CS45#coating with Ni plated
Bushing PTFE or Bronze
Seat Nr, Hypalon, Neoprene, Wear-resistant Rubber, 
NBR, PTFE/Telfon, VITON, EP, EPDM
Other accessories SS or as per your request. 
Pin SS304, SS316, With or Without (pinless)
Operated:  Handle lever, worm gear, electric actuator, pneumatic actuator...





 

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