High-Performance Hydraulic Seal for Coal Mine Cylinder Sealing

• 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, also known as rotary shaft seals, play a critical role in mechanical assemblies by sealing grease, liquids, or dirt. These seals are vital in ensuring the stability of the space between stationary and moving components. An oil seal is an indispensable element of any rotating and moving assembly, providing a barrier that protects and maintains the integrity of mechanical equipment. Typically, an oil seal comprises three primary components:
A sealing material, which is usually a rubber component, complemented by metal casings and springs. This combination creates a versatile sealing assembly capable of adapting to various mechanical environments.
Our product line includes a wide array of types such as TC, TG, TA, SA, SB, SC, DC, MC, MG, TCV, TCN, and the innovative TC4, among others, catering to diverse sealing needs.
We proudly offer an extensive range of rubber materials for crafting oil seals, ensuring they are suitable for a multitude of operating conditions. These cutting-edge, high-performance rubber materials can endure exposure to various chemicals and withstand temperatures from extreme cold to intense heat.
[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.

Our customizable, non-standard oil seals are crafted from premium materials such as fluorine rubber, silicone rubber, fine rubber, and propylene rubber, engineered to meet specific requirements.

[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 an oil film through the interaction between the lip and the shaft, achieving dynamic sealing by leveraging both spring pressure and material elasticity. During movement, the lip compresses due to frictional heat, enhancing the seal. When the system is stationary, the contact is maintained to ensure ongoing sealing effectiveness.

[Oil seal application fields]
Our oil seals find extensive application in engines, gearboxes, hydraulic pumps, reducers, and other machinery, particularly under conditions of high temperatures, high speeds, or exposure to corrosive media. In situations where traditional rubber oil seals may fail, PTFE oil seals offer a remarkable lifespan, lasting up to 20 times longer, and are highly effective in sealing water, acid, gas, and other challenging media.

[Oil seal selection and installation]
When selecting and installing oil seals, it is essential to consider the shaft's rotation speed, temperature, pressure, and the characteristics of the medium. It is crucial to install the shaft vertically to avoid tilting and apply grease to the lip, reducing the risks of dry grinding and extending the lifespan of the seal.
Product Superiority:

1. We are committed to meticulously selecting the finest materials, resulting in parts that demonstrate exceptional performance and stability. Our products feature advanced automation and are designed to meet the highest standards of excellence.
2. Our oil seals boast remarkable elasticity and wear resistance, maintaining their reliability even in the most challenging environments.
3. Backed by a comprehensive team of technical experts, we offer the ability to customize products to meet our customers' unique demands, providing rapid and effective solutions tailored to their needs.
4. Our unwavering commitment to a stringent quality control system has established us as a trusted direct or indirect supplier to numerous esteemed enterprises globally.