Stub End Flange With Bolt Hole Fig.329

Flange (flange) connection is the connection of two pipes, fittings or equipment, each fixed on a flange, between the two flanges, plus flange pads, fastened together with bolts, completed. 329 flange is with holes ,cast iron flange

Pipes, fittings, or equipment that are attached to flanges, and are fastened together with bolts, are called flange connections. Cast iron flange 329 has holes.
Mostly steel pipes are connected by cast iron plumbing fittings. Threaded or flanged fittings are available. In construction, cast iron fittings are mostly used in areas with high temperatures and pressures, such as pipelines. An extremely labor-intensive process is involved in the production of cast iron fittings, the creation piece-by-piece of molds for casting into sand, clay, and coal dust mixtures. Brass and bronze are not stamped. Energy and labor are intensively used in the production of cast iron fittings. The cost of black cast iron fittings is slightly lower than that of brass fittings due to the price of cast iron.