| Customization: | Available |
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| Material: | NBR |
| Usage: | Engine, Transmission, Rear Axle |
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Oil seals, also known in the industry as rotary shaft seals, are indispensable components in the realm of mechanical engineering. They primarily serve the critical function of sealing grease, liquids, or dirt, and are vital in maintaining the efficiency and longevity of rotating and moving assemblies. By stabilizing the space between stationary and moving parts, oil seals ensure smooth operation and minimize wear and tear in mechanical equipment. An oil seal is ingeniously comprised of three fundamental elements:
a highly resilient sealing material (usually a specialized rubber component), robust metal casings, and precision-engineered springs. This combination results in a versatile sealing assembly capable of adapting to various applications.
Our product range includes an array of types such as TC, TG, TA, SA, SB, SC, DC, MC, MG, TCV, TCN, and TC4, among others, each designed to cater to specific sealing needs and requirements.
We pride ourselves on offering a diverse selection of premium rubber materials for crafting oil seals, meticulously chosen to meet the demands of diverse operating conditions. Our high-performance rubber options are engineered to withstand a wide spectrum of chemicals along with extreme temperature variations, assuring reliability in both high and low-temperature environments.
[Oil seal material introduction]
| Ding Rubber (NBR) | Temperature resistance of 100ºC, good oil resistance, wear resistance, anti-aging, good sealing effect. |
| silica gel (VMQ) | Temperature resistance of 200ºC, general oil resistance, high temperature resistance, good waterproof, non-toxic. |
| Fluorogel (FKM) | Temperature resistance of 280ºC, good oil resistance, wear resistance, high pressure resistance, corrosion resistance. |
| ethylene-propylene-diene misch-polymere (EPDM) | Temperature resistance of 150ºC, general oil resistance, corrosion resistance. |
| (PTFE) | Temperature resistance of 280ºC, good oil resistance, wear resistance, high pressure and corrosion resistance. |
| polyurethane (PU) | Temperature resistance of 90ºC, good oil resistance, wear resistance. |
| Single lip structure | Single channel sealing lip for low pressure reciprocating motion (e. g. automotive crankshaft oil seal) |
| Double lip structure | Two upper and lower sealing lips, a main seal (contact shaft), a secondary seal (dust), often used in high pressure environment |
| Composite lip structure | Main lip + dust lip + buffer spring (like type NOK TCV), can withstand both radial and axial forces |
| labyrinth packing | Multi-channel ring groove design to block oil by throttling effect (suitable for high-speed rotating axis) |
| Seal the oil swing ring | Metal ring rotating centrifugal oil swing with shaft (commonly used in gearbox gearbox) |
| Component name | Material selection | function declaration |
| seal(ing)lip | NBR/FKM/PTFE | Main seal surface, the contact shaft forms a dynamic seal |
| spring | Stainless steel / carbon steel | Provide lip pretension to compensate for wear |
| skeleton | PA6/PC | Fixed the sealing lip shape and transfer the mounting stress |
| Dust-proof lips | polyurethane elastomer | Blocking the entry of solid impurities (optional) |
| Self-lubricating coating | plumbago/PTFE | Reduce the friction coefficient and extend the life life |
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