High-Temperature Hydraulic Seal for Chemical Resistance 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, are indispensable in sealing grease, liquids, or dirt. As a critical element in any rotating and moving assembly, they stabilize the space between stationary and moving parts in mechanical equipment. Typically, an oil seal consists of three primary components:
A sealing material (rubber component), metal casings, and springs. These elements combine to form a versatile sealing assembly that meets various needs.
Types include TC, TG, TA, SA, SB, SC, DC, MC, MG, TCV, TCN, and TC4, among others, offering a wide range of options to meet specific requirements.
Our broad selection of rubber materials for oil seals ensures their compatibility with diverse operating conditions. These high-performance materials withstand a spectrum of chemicals and extreme temperatures, both high and low.
[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.

We craft customizable non-standard oil seals using premium materials such as fluorine rubber, silicone rubber, fine rubber, and propylene rubber.

[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 establishes an oil film through contact between the lip and the shaft, achieving dynamic sealing with spring pressure and material elasticity. During rotation, the lip contracts due to frictional heat, enhancing sealing efficiency. When stationary, it maintains contact to ensure a consistent seal.

[Oil seal application fields]
Widely employed in engines, gearboxes, hydraulic pumps, reducers, and other equipment, especially in high-temperature, high-speed, corrosive media scenarios, or where traditional rubber oil seals fall short. PTFE oil seals, for example, can last up to 20 times longer than conventional options and are effective in sealing water, acid, gas, and more.

[Oil seal selection and installation]
Consider the shaft's rotation speed, temperature, pressure, and medium characteristics for a thorough assessment. Ensure vertical shaft installation to prevent tilting, and apply grease to the lip to minimize dry grinding.
Product Superiority:

1. We meticulously select optimal materials and manufacture parts that deliver exceptional performance and stability, complemented by advanced automation.
2. Our products feature superior elasticity and wear resistance, maintaining stability even in the harshest environments.
3. Backed by a team of technical experts, we tailor products to customer specifications and offer timely solutions.
4. We strictly adhere to our quality control system, earning us the role of direct or indirect supplier to numerous esteemed enterprises worldwide.