| Customization: | Available |
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| Material: | FPM |
| Usage: | Mechanical Equipment |
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Oil seals, often referred to as rotary shaft seals, play a pivotal role in safeguarding machinery by effectively sealing in grease, liquids, or preventing the infiltration of dirt. These indispensable components are critical in stabilizing the space between stationary and moving parts in any rotating assembly of mechanical equipment. An oil seal typically comprises three key elements:
A sealing material (rubber component), sturdy metal casings, and resilient springs, forming a truly versatile sealing assembly suitable for myriad applications.
Our product range includes various types such as TC, TG, TA, SA, SB, SC, DC, MC, MG, TCV, TCN, and the highly adaptable TC4, among others.
We pride ourselves on offering an extensive selection of high-grade rubber materials for oil seal production, ensuring optimal performance across diverse operating conditions. These premium materials are capable of withstanding a wide array of chemicals and challenging temperature extremes, both high and low, to ensure reliability and durability.
[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 |
For seamless operation, consider the shaft's rotation speed, temperature, pressure, and medium characteristics. Ensure the vertical shaft is installed correctly to prevent tilting, and apply grease generously to the lip to minimize the risk of dry grinding.
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