... :DN100-DN4000 Pressure range: PN6-PN40 Double flange, double eccentric, rubber seated butterfly valve,1. Size and pressure range: Size: DN100 ... face length acc.to:ISO5752 series13/DIN3202,F16Flange dimensions and drilling acc.to: ISO7005-2/ EN1092-2, DIN2501Top works acc.to ... , wood case,8. Delivery port: Shanghai, Tianjing, etc. Flange type rubber seated butterfly valve