Oil Seal – Seal More Viscous Grease Lubricants in Rotary Shaft Applications.

OIL SEAL – OPTIMAL FLUID SEALING PERFORMANCE

Oil Seal normally consists of three basic components: the rubber sealing element, the metal insert (case) and the garter spring. The purpose of the sealing element is to stop the fluid from leaking between the shaft and housing. The metal insert will give rigidity and strength to the seal while it is being held in the bore or recessed groove. The garter spring will help make the rubber sealing element more effective.

In precision bearings, oil seal helps prevent lubricants from escaping the bearings or a specific area. In machine components, oil seal helps prevent abrasives, corrosive moisture and other harmful contaminants from entering machinery. It also helps stop mixture of two different mediums, such as lubricating oil and water.

TYPES

Twenty different types of oil seals on a white background.

The diagram of oil seal types

COMMON SPECIFICATIONS

ASTM/DIN ISO NBR ACM VMQ (Silicone) FKM HNBR (NEM) PTFE

Wear Resistance very good moderate moderate very good moderate good

High Temperature Oil Resistance 100 °C 150 °C 180 °C 200 °C (max. 150 °C operate temperature) 150 °C (max. 140 °C operate temperature) 200 °C

Low Temperature -40 °C -30 °C -50 °C -25 °C -40 °C -80 °C

Oil Resistance good good moderate very good good extremely good

Common Specifications of Oil Seal

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FEATURES

Provides good low temperature resistant capability

Low swelling in hydrocarbon fluids

High sealing performance by optimum

Lightweight, compact and energy-saving

Compatibility with the fluid contacted

High degree of elasticity

Wear resistance

Low friction coefficient

Exact fit

Durable

Best in quality

CLASSICAL APPLICATIONS

Automotive equipment

Manufacturing

Off-highway

Oil refineries

Power transmission

Gearboxes

Hydraulic cylinders.

High voltage equipment

Construction

Medical and aerospace

Chemical processing

Pulp and paper

Oil and refining

Food and beverage

Water and waste water

Oil seal diagram installed on automotive equipment on a white background.

Applied in automotive equipment

  The blue oil seals are mounted on the hydraulic cylinder on a white background.

Applied in hydraulic cylinder

  A power transmission with the oil seal component is on the gray background