Uses and Applications of Oil Jointing Gasket Sheets

15 August 2016

A jointing sheet is a sectional leaf of especially resistive material that requires further work before it can be installed in its final resting site. It needs to be cut and shaped into a standard gasket outline, so it should be classified as a preprocessed commodity, something that needs expert handling by a trained engineer or technician. The standard profile of the finished gasket shape will mirror the pipe flange, of course, including all concentric geometrical outlines and any bolt holes.

Uses for Oil Jointing Gasket Sheets

The nominal thickness of the cut sheet suggests a usage area that does not exceed a low-to-medium pressure differential. In other words, relatively low temperatures and pressures favour this gasketing product. The surface roughness of the sheeting material goes some ways towards filling irregular surface pitting features on the flange faces, but this potential weak area can be further subjugated by using a sealing paste, something designed to harden but still deliver compressibility during the bolt tightening stage.

Oil Penetration Prevention Mechanisms

A lubricating or cooling oil matches a hydraulic fluid for penetrability aptitude. The viscosity index of the slick liquid only stops when a joint is properly filled with oil jointing gasket sheets, seals that are designed to be both impermeable and impenetrable. In accomplishing this challenging feat, the cut and diameter of the sheeting must meet current engineering tolerances, so sheets that are between 0.14 mm to 6.40 mm are available. The lower variant typically climbs in 0.1 mm steps at the lower end, but this margin expands to over 1 mm when the thickness value approaches 6.4 mm, so dimensional variety is regarded as plentiful.

Oily Applications

Low-pressure usage is the name of the game here, so expect to encounter oil jointing gasket sheets in main oil lines inside a vehicle. They’re also commonly installed in axle joints and low-to-medium pressure piping setups, including the actual pumps that drive the fluid. The paper cellulose substrate is specially treated according to these applications, so always select the conditioned jointing material that fits a particular fluid. Alcohol and oil-based piping configurations, for example, use different sheeting mediums, including fiber-reinforced options that top their specified pressure class.

Plasticized coatings encapsulate some of the tougher products in this jointing group, after which it’s time to level up and research either a stalwart graphite-backed gasket or a product that’s strengthened with a mesh that can properly resist higher temperatures and equally challenging pressures.

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