| Customization: | Available |
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| Material: | FPM |
| Usage: | Mechanical Equipment |
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Oil seals, often known as rotary shaft seals, play a pivotal role in sealing environments against grease, liquids, or dirt intrusion. They are indispensable components in any rotating or moving assembly, expertly stabilizing the gap between stationary and dynamic parts within mechanical equipment. These seals typically comprise three essential elements:
A robust sealing material (rubber component), durable metal casings, and resilient springs. This combination creates a versatile sealing assembly ensuring dependable performance.
Types available include: TC, TG, TA, SA, SB, SC, DC, MC, MG, TCV, TCN, and TC4, among a diverse range of others.
We proudly offer an extensive array of rubber materials for crafting oil seals, meticulously chosen to meet a wide variety of operational demands. These high-performance materials are engineered to withstand a broad spectrum of chemicals and endure extreme temperature variations, whether blisteringly hot or freezing cold.
[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 |
When installing, carefully consider the rotation speed, temperature, pressure, and medium characteristics of the shaft. Ensure vertical shaft alignment to prevent tilting, and apply grease to the lip to facilitate smooth operation and minimize dry grinding.
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