... installation acc.to: ISO52104. Material items: Body: ductile iron, WCB, stainless steelDisc: ductile iron, WCB, stainless steel,Al-bronze(C95400, C95800, etc ... , pneumatic actuator, hydraulic actuator, etc.7. Packing: seaworthy packing: iron case, veneer case, wood case,8. Delivery port: Shanghai, Tianjing, etc. Flange type rubber ...