Insulating flange is a generic term of pipe flangejoints with requirements in sealing performance of buried steel pipesand electrical insulation properties of electro-corrosion pipes. Itinclude a pair of steel flanges, an insulating and sealing articlebetween two flanges with each end welded.The insulating flanges arespecially designed and produced for petroleum, chemical and otherindustries related by us. With their simple structures, safe operationsand reliable performance, they have always enjoyed eat popularity amongall customers. These insulating flanges have already matured and incase of any special equirements, they may be customized upon allcustomer's demands.