DN200-1200 Chain Wheel butterfly valve

Model of valve:LD371X    Chain Wheel  butterfly valve

Body of valve : GGG.50/Ductile   iron                                                                            Disc of valve : SS316,                                                                                                 Shaft of valve : SS316,

Seal of valve:NBR                                                                                                  Seat of valve : EPDM, wear-resistant  EPDM,NBR,PTFE,Viton                          Operating mode :Chain wheel                                                                            Normal Diameter of valve: DN200-1200                                                               Normal Pressure of electro valve:PN16                                                        Applicable medium: water ,sea water, sewage , oil, air, weak acid and soda etc.                                                                                                                 Applicable temperature of electro valve : -20-135°C 

Butterfly valve main technical parameters :