Long Weldnecks FlangesLong Weld Necks are shaped like a slip on flange with a piece of pipe already attached but are formed and machined in a one-piece construction. They are often used in vessel manufacturing.
Socket Welding FlangeThese flanges are developed for use in small diameter, high pressure lines. Internally welded socket type flanges are typically used in chemical process, hydraulic lines and steam distribution lines. They have a counterbore from the hub side slightly larger than the outside diameter of the pipe.
This group of flanges is designed with a hub on the backside tapering to a diameter that will match the pipe to which it will be welded. These flanges are bored to match the inside diameter of the mating pipe so there will be no restriction of product flow.
Blind FlangesThese flanges are manufactured without a bore and used as closures or seals for the ends of piping systems. They are also used to provide access covers for pressure vessels. Blind flanges are provided with or without a hub, depending on customer requirements.
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