GREASE FOR SEALING THREADED CONNECTIONS Russian patent published in 2004 - IPC

Abstract RU 2231540 C1

FIELD: sealing materials.

SUBSTANCE: industrial oil-based grease for sealing threaded connections, those of pump-and-compressor equipment, casing pipes, and pipelines contains 15.5-25.5% of mineral oil-based plastic calcium lubricant thickened with complex calcium soap, 55.0-65.0% graphite, and 0.5-2.0% polymethacrylate. Such grease preserves its plastic properties with a temperature range between -50оС and +200оС and allows tightness of threaded connections at pressures of liquids up to 90 MPa and gas up to 70 MPa.

EFFECT: improved sealing characteristics.

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RU 2 231 540 C1

Authors

Gubanov V.N.

Egorova G.V.

Puzenko V.I.

Dates

2004-06-27—Published

2003-03-17—Filed