FLANGE JOINT OF WELL-HEAD EQUIPMENT Russian patent published in 2001 - IPC

Abstract RU 2167265 C2

FIELD: oil and gas production, petroleum refining industry. SUBSTANCE: invention can find use in design of new flange and quick-separable joints, main lines, high-pressure hydraulic systems, etc. Proposed flange joint has sealing metal ring placed in grooves of flanges. Joining thread members are made in holes of flanges. Ring grooves are made in faces of sealing metal ring. Springy rings are installed in grooves. Rings interact with surfaces of ring grooves of flanges. EFFECT: prolonged service life of flange joint, raised fire and ecological safety of oil and gas producing and refining equipment. 1 dwg

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RU 2 167 265 C2

Authors

Khalaev G.G.

Bushmakin Eh.D.

Gusev A.G.

Kozlovskij V.I.

Dates

2001-05-20—Published

1996-08-08—Filed