Flange

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flange

1. a projecting disc-shaped collar or rim on an object for locating or strengthening it or for attaching it to another object
2. a flat outer face of a rolled-steel joist, esp of an I- or H-beam
3. a tool for forming a flange

Flange

A projecting collar, edge, rib, rim, or ring on a pipe, shaft, or beam.

Flange

 

a circular projection on the edge of a wheel, sleeve, roller, pulley, or other rotating body. It serves as a guiding and thrust element. For example, flanges are installed on the wheels of railroad running stock facing the inner side of the track in order to prevent the wheels from leaving the rails and to guide them when they are switched onto sidings. In some cases, a flange is provided on both edges of the wheel, for example, on the wheels of crane trolleys.


Flange

 

a ring or disc, usually flat, with evenly spaced openings for bolts or pins, used to form a strong hermetic seal between pipes, to attach pipes to machines and tanks, and to join shafts and other rotating parts. Flanges differ in size, the method of tightening used, and the shape of the sealing surface. They may be part of a pipe, fitting, shaft, frame, or other item. When manufactured as a separate part, flanges are most often welded or screwed onto the ends of the parts to be joined. The shape of the sealing surface of a pipe flange depends on the internal pressure and the cross section and material of the gasket. Smooth sealing surfaces with gaskets of cardboard, rubber, andparonite are used at pressures up to 4 meganewtons per m2 (40 kilograms-force per sq cm); surfaces with a protuberance on one flange and a depression on the other and asbestos-metal and paronite gaskets are used at pressures up to 20 meganewtons per m2 (200 kilograms-force per cm2); and flanges with a conical sealing surface are used at pressures above 6.4 meganewtons per m2 (64 kilograms-force per cm2).

M. S. SLOBODKIN

flange

[flanj]
(science and technology)
A projecting rim of an organism or mechanical part.

flange

flange, 2
1. A projecting collar, edge, rib, rim, or ring on a pipe, shaft, or the like.
2. One of the principal longitudinal components of a beam or girder which resists tension or compression.
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One such development generating worldwide interest is the new connector technology LinerBridgeao, which allows a fully polymer lined flangeless end to end system.
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JFE Steel and tkSE had been separately developing technology to form flangeless components.
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