Wafer Butterfly Valve Ductile Iron Gear Operated

The valve has compacted structure,small flow-resisitance with the flow pattern tend  to be straight so that no sundries is kept inside .
what's more ,it is  light and convenient to install .The valve can be applied to  cut  off or regulate the flow of media .The valve can be 
acuated by operating lever,handle wheel, electric actuator or pneumatic actuator.
Main structure  and  their materials :
Bady  Material:Ductile iron ,carbon steel,stainless steel)
Disc   Material:Plated ductile iron,Ductile iron with nylon plated carbon steel,Aluminium bronze,stainless steel
Seat and line  Material:NBR,EPDM,FPM
Stem    Material:Stainless Steel
"O"-ring   Material:NBR,EPDM,FPM
Technical data:
Design standard: EN593/GB12238
Flange standard: EN1092-2/GB17241.6 
 Face to face dim:EN558-1 serie20/GB12221 
 Testing standard: EN1074-2/EN12266-1/GB13927
 Body: GGG50/SS304
 Sealing: Rubber 
 DN: 40~1000
 PN:1.6Mpa 
 Working temp.: NBR ≤80ºC/EPDM≤120ºC 
 Drive Mode: Hand wheel
 Connecting:Wafer/Lug
 Coating: Epoxy
Application:The valve can be used in water supply and drainage,disposing of polluted water,heat supply ,gas,ship industry,metallurgical industry,energy system and textile etc.Especially applicable to those occasions that bi-directional sealing and vavle body areeasily eroded. 
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