High-Performance Hydraulic Seal for Extreme Conditions in Mining

• Customization: Available
• Material: NBR
• Usage: Engine, Transmission, Rear Axle, Gearbox
• Type: Haplotype
• Speed: High Speed
• Pressure: Pressure Type
• Lip: Composite Lip
• Standard: Standard, Nonstandard
• Applicable Temperature: From Minus 60 Degrees to Plus 300 Degrees
• Scope of Application: Various Chemical Substances
• Custom Specifications: Customizability Can Reach up to 500 Centimeters.
• Transport Package: Packaging Bag, Cardboard Box
• Trademark: Anran
• Origin: China Hebei
• HS Code: 4016931000
• Production Capacity: 100000pieces/Year

Product Description

Product Description

Oil seals, often known as rotary shaft seals, play a crucial role in safeguarding mechanical assemblies. These essential components are designed to effectively seal in grease and liquids while keeping dirt and debris at bay. Serving as a stabilizing force, oil seals bridge the gap between stationary and moving parts, ensuring seamless functionality in any rotating or moving assembly. Typically, an oil seal is composed of three fundamental elements:
A sealing material (rubber component), metal casings, and springs, which together form a robust and versatile sealing assembly.
Our range features multiple types including TC, TG, TA, SA, SB, SC, DC, MC, MG, TCV, TCN, and TC4, among others, catering to diverse industrial needs.
We offer a broad spectrum of rubber materials to manufacture oil seals, ensuring a perfect fit for various operational environments. These high-performance materials are engineered to withstand extreme temperatures and a wide array of chemicals, delivering top-tier resilience whether in scorching heat 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.

Tailored non-standard oil seals can be crafted from specialized materials like fluorine rubber, silicone rubber, fine rubber, and propylene rubber, providing solutions for unique sealing challenges.

[Oil seal core structure type]

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)

[Key structural components of the oil seal]

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

[Oil seal and sealing principle]
The oil seal operates by forming a protective oil film through contact between its lip and the shaft. This dynamic sealing mechanism is maintained by the synergy of spring pressure and the inherent elasticity of the material. During rotation, the lip tightens from frictional heat, enhancing the seal, while in stationary mode, it maintains contact to ensure a steadfast seal.

[Oil seal application fields]
Oil seals find extensive applications across engines, gearboxes, hydraulic pumps, reducers, and more, especially in high-temperature, high-speed, or corrosive media scenarios where conventional seals fall short. For instance, PTFE oil seals boast a longevity up to 20 times that of traditional seals and effectively seal against water, acid, gas, and more.

[Oil seal selection and installation]
When selecting and installing an oil seal, it is vital to evaluate the shaft's rotation speed, temperature, pressure, and medium characteristics comprehensively. Proper installation of the vertical shaft prevents tilting, and applying grease to the lip minimizes dry grinding, ensuring long-lasting performance.
Product Superiority:

1. We diligently select premium materials to manufacture parts that exemplify high performance and exceptional stability. Our products are enhanced with cutting-edge automation technologies.
2. Our solutions are characterized by outstanding elasticity and superior wear resistance, providing unwavering stability in even the harshest environments.
3. Our well-rounded team of technical experts allows us to tailor products to customer specifications and deliver prompt, effective solutions.
4. We adhere to stringent quality control protocols, establishing us as a trusted direct or indirect supplier to numerous esteemed enterprises globally.