| Customization: | Available |
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| Material: | NBR |
| Usage: | Engine, Transmission, Rear Axle |
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Oil seals, also known as rotary shaft seals, play a pivotal role in safeguarding mechanical assemblies. These indispensable components effectively seal grease, liquids, and dirt, maintaining optimal performance and longevity in machinery. By creating a reliable barrier between stationary and moving parts, oil seals ensure seamless operational stability. Each oil seal comprises three crucial components:
A robust sealing material (rubber component), durable metal casings, and resilient springs make up this versatile sealing assembly, expertly designed to meet diverse industrial demands.
Our extensive range of oil seal types includes TC, TG, TA, SA, SB, SC, DC, MC, MG, TCV, TCN, and TC4, amongst many others, catering to a variety of applications.
We proudly present a broad spectrum of high-quality rubber materials tailored for oil seal manufacturing. These materials are engineered to withstand the rigors of diverse operating conditions, offering exceptional resistance to a wide array of chemicals and extreme temperature fluctuations, from soaring heat to frigid cold 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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