Connector for connecting a fluid pipe within a swivel stack

Details Connector for connecting a fluid pipe within a swivel stack Connector for connecting a fluid pipe within a swivel stack

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 25/00 (2006.01) E21B 43/01 (2006.01) F16L 27/06 (2006.01)

Patent

CA 2333002

An improved product swivel (12) is disclosed which includes a connection which connects a product pipeline (16) to an internal elbow line (34) of the internal housing (13) of the swivel (12). A connector female or box half (42) is welded or machined to the swivel elbow (34). The other half of the connector pair, a pin member (46), is welded to the end of the product pipeline (16). An installation tool and clamp (44) about the connector pair pulls the pin (46) and box (42) together, radially expands the box (42), and then shrinks the box (42) onto the pin (46) so that non-helical engaging teeth (43) wedge together to produce axial tensions in the connection (40). The connection (40) is of minimum outside diameter which advantageously reduces the space requirement inside the swivel stack.

L'invention concerne une colonne de transport de produit améliorée qui comprend un raccord servant à assembler une canalisation de transport de produit et un tuyau coudé interne de l'enveloppe interne de la colonne. Un raccord femelle ou moitié de boîte est soudé ou usiné sur le tuyau coudé de la colonne. L'autre moitié de la paire de raccords, un élément de fixation, est soudé à l'extrémité de la canalisation. Un outil d'installation et collier de serrage placé autour de la paire de raccords tire l'élément de fixation et la boîte l'un à l'autre, agrandit radialement la boîte, puis rétrécit celle-ci sur l'élément de fixation pour amener des filetages conjugués non hélicoïdaux à se caler les uns aux autres afin de produire une tension axiale dans le raccordement. Ce raccordement présente un diamètre externe minimal qui réduit avantageusement le besoin en surface à l'intérieur de la colonne pivotante.

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