ANSI B16.5 welding neck flange

The pipeline flange according to may divide into five fundamental types with the joint of pipe pipe joint way: The flat welding flange, the butt welding flange, the threaded flange, receive insert weldert weld rt weld the flange, a pine set of flange. The flange packing surface pattern has many kinds, generally has the convex commonly used (RF), the concave (FM), the concave-convex surface (MFM), the key way surface (TG), the entire ane (FF), the link joint face (RJ). Our strong technical force, excellent equipment, exquisite workmanship, stable product quality, variety complete, the price is reasonable. Always adhere to the "quality first, quality service" purposes. Sincerely welcome new and old customers to visit our factory and guidance or telephone, write to us to negotiate the business.