Hebei Cangzhou overall supply carbon steel flange / carbon steel flange price, Hongyuan tube industry professional (Contact: Referring to the fact that achievement Tel: 15831789812 18713666562) the overall flange is a flange connection also belongs weld neck steel a pipe flanges. material of carbon steel, stainless steel, alloy steel IF to domestic standards integral flange used for high pressure pipe into the body flange is a method Lan connection. Also part of a weld neck steel pipe flanges. Made of carbon steel, stainless steel, alloy steel. IF to domestic standards, the overall flange. More for the higher pressure pipelines. Production wrought. Flange type is to use an "IF" to represent the whole flange type. The usually sudden face (RF), being in the use of flammable, explosive, highly and extremely hazardous conditions, you can choose in addition to the outside of the RF surface concave surface (MFM) and tongue and groove surface (TG) seal surface in the form of