A. Flange types are divided according to national standards: integral flange, threaded flange, butt welding flange, flat welding flange with neck, socket welding flange with neck, butt welding ring with neck loose flange, plate flat welding flange, flat welding ring plate loose flange, flat welding
Neck flange, also known as long neck flange and neck flange, is a disc-shaped part, which is mainly used to realize the connection between pipelines. It has been widely used in petrochemical, urban water supply and power system. In recent years, with the planning and construction of UHV transmission
1. When the upstream surface is corrosive medium, the gap can be sealed with sealing materials. See the atlas of waterproof casing for the method; Installation drawing of flexible waterproof casing (type A).2. flexible waterproof casing material: Bituminous hemp, polystyrene board, PVC foam board.3.
Anchor flange is a kind of engineering component. In places with low pressure, short pipes with thrust rings can be used instead, or called through wall sleeves. For the connection of fixed pipes that are required to be buried underground or not maintained for life, and when the pressure is required
High density polyethylene (HDPE) is a white powder or granular product. Non toxic, tasteless, crystallinity 80% ~ 90%, softening point 125 ~ 135 ℃, service temperature up to 100 ℃; Hardness, tensile strength and creep are better than those of low density polyethylene; Good wear resistance, electrica