Canada's premium manufacturer of stainless steel flanges and fittings.

Fittings

At Pro-flange we can meet almost any cylindrical fittings requirement you may have. We have fittings in a wide variety of sizes, alloys, and classes, as well as the ability to produce from bar stock. We can supply in almost any size and are quite able to meet your stock requirements, as well as sourcing more exotic types of fittings and alloys. We do not currently supply tees, elbows, or unions.

Branch Connections

Branch Connections (also known as olets) are fittings which provide an outlet from a larger pipe to a smaller one (or one of the same size). The main pipe onto which the branch connection is welded is usually called the run or header size. The pipe to which the branch connection provides a channel is usually called the branch or outlet size. We provide branch connections in all sizes, types, bores, and classes, in a wide range of stainless steel, chrome-moly, and other alloys.

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Couplings

Couplings are fittings used to connect two pipes together. Couplings come in different classes depending on the pressure within the piping system. The ends of the coupling come in either threaded or socket-weld forms, to match the input pipe.

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Inserts

Inserts come in one of 3 types, and are called so because of their design that enables pipes to ‘insert’ themselves into one side, while the other is welded on to another size pipe – usually one of a smaller size – thus acting as a reducing fitting. The ‘insert’ side of these fittings come in either a threaded or socket weld design, depending on applicability.

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Nipples

Nipples are fittings consisting of a piece of pipe complete with size and bore (ID). The overall length of the nipple is specified by the customer, and is not standard, as are the ends of the nipple: these ends can be plain, threaded, or bevelled (for butt-welding), depending on the ends of the piping system into which the nipple will be fitted.

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Plugs and Bushings

Plugs are fittings that provide flow control by plugging branches and outlets – the name is quite self-explanatory. Plugs come in several design: bull plugs (either round or hex), round head plugs, and hex head plugs. Most plugs are threaded; however some are provided without threads and are referred to as socket-weld plugs.

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Reducers

Reducers are pipe fittings used to accommodate size transitions in piping systems. They come in two types: concentric, which reduces from the larger outlet to the smaller outlet by ways of a constant circumference reduction; and eccentric which reduces through a semi-circle circumference reduction. Visually, concentric reducers are uniform throughout the reduction, while eccentric reducers pull to one side.

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