... :DN100-DN4000 Pressure range: PN6-PN40 Double flange, double eccentric, rubber seated butterfly valve,1. Size and pressure range: Size: DN100 ... dimensions and drilling acc.to: ISO7005-2/ EN1092-2, DIN2501Top works acc.to: ISO5211Top flange for actuator installation acc.to: ISO52104 ... , wood case,8. Delivery port: Shanghai, Tianjing, etc. Flange type rubber seated butterfly valve