Q235 large diameter pressure vessel flange welded flange

Flange (flange) connection is the two pipes, fittings or equipment, the first in a fixed each flange on, between two flanges, with flange pad, fastened together with bolts to complete the connection . Some fittings and equipment has been carrying flange, also belong to the flange connection. Flanged connections are important pipeline construction. Flanged easy to use, able to withstand greater pressure. In industrial pipe, using a wide range of flange connection. Within the family, the pipe diameter is small, and the low-pressure, invisible flange connection. If a boiler room or production site, full of flanged pipe and equipment. 1, according to the connection flange connection types can be divided into: plate flat welding flange, with neck flat welding flange, with neck flange, socket welding flange, threaded flange, flange cover with neck for welding ring loose flange, flat welding loose flange ring, ring groove flange and flange cover, large-diameter flat flanges, large diameter high-neck flange, blind character, loose flange welded ring, etc. .