The wheel cylinder brake cup seal is an essential component in hydraulic braking systems, designed to provide a tight and reliable seal within the wheel cylinder. These seals are responsible for preventing fluid leakage while maintaining the pressure to engage the brakes, ensuring smooth and efficient brake operation.
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Excellent Sealing Performance
Extreme Environment Resistance
High-strength Elastic Material
Precision Engineering Design
The wheel cylinder brake cup seal is cup-shaped and usually made of elastic material (such as high temperature resistant rubber) and installed at the end of the wheel cylinder piston. Some designs will compress the seal cup under the action of springs and conical washers to ensure that it fits tightly against the inner wall of the wheel cylinder. According to international standards (such as ISO/TC 22/SC 33), the material needs to be resistant to petroleum-based brake fluids and the maximum operating temperature should not exceed 120°C.
1. Pressure transmission medium
Convert the hydraulic pressure output by the main pump into mechanical thrust, push the brake shoe to expand, and achieve the braking effect.
2. Dynamic sealing barrier
Compensate for the gap change in real time during the reciprocating motion of the piston to prevent air from entering the system and causing brake weakness.
3. Pollution isolation layer
Prevent external dust and moisture from invading the wheel cylinder, and protect precision parts (such as springs and pistons) from corrosion.
We provide highly flexible wheel cylinder brake cup seal customization services for different vehicle types, working conditions and special customer requirements.
1. Material and formula customization
Customized formulas such as nitrile rubber (NBR), fluororubber (FKM), hydrogenated nitrile (HNBR), and polyurethane (PU) are provided.
Additive optimization: adjust the ratio of anti-aging agent and plasticizer to enhance cold resistance (-60°C) or hydrolysis resistance (humid environment).
2. Size and structure customization
Non-standard size adaptation: support non-OEM specification design, provide inner diameter (Φ10-50mm), outer diameter, lip angle, thickness and other parameter customization, adapt to modified vehicles, special vehicles or old models.
Structural optimization: for high-frequency and high-voltage scenarios, add reinforcement rib design or double-layer sealing structure to improve the ability to resist extrusion deformation.
3. Special functional requirements
Low friction coating: add PTFE (polytetrafluoroethylene) coating to reduce dynamic friction resistance and improve braking response speed.
Antistatic treatment: prevent dust adsorption, suitable for dust-intensive environments such as mines and deserts.
Color identification: support customized seal colors (such as red, blue), which is convenient for quick identification of models during maintenance.
4. Process enhancement customization
Enhanced reinforcement layer: embedded aramid fiber or metal skeleton to improve tear strength and compression resistance.
Surface treatment: secondary polishing or laser micro-engraving after vulcanization to ensure surface smoothness and meet traceability requirements.
■ Certification support: Assist customers to pass ISO , IATF certification, or comply with specific regional regulations (such as EU ECE R90).
■ Packaging customization: Provide UV-proof, moisture-proof, shock-proof packaging or sterile packaging (for medical special vehicles).
■ Inventory trusteeship: Provide JIT (Just-in-Time) supply chain services for long-term cooperative customers to reduce inventory pressure.
If you are looking for more details, kindly visit Brake Cup Seals.
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Product details:
NBR Material/ Brake Cup Seal
Material：NBR / ACM/ EPDM/SIL/CSM/CR/VITON/FKM/NR/ECO
Color: Any color, usually black / brown and blue, depended on your demand
Apply to: Auto
Brake cup seal:
The brake cup seal is an essential component of a vehicle's braking system, playing a crucial role in ensuring the proper function and safety of the brakes. This small but mighty seal is responsible for creating a tight seal between the brake cup and the cylinder to prevent any leaks of hydraulic fluid, which could lead to brake failure. Without a properly functioning brake cup seal, the brakes could become unreliable and potentially dangerous.
Function:
One of the key functions of the brake cup seal is to maintain hydraulic pressure within the brake system. When the brake pedal is pressed, hydraulic fluid is forced through the brake lines to actuate the calipers or wheel cylinders, which then apply pressure to the brake pads or shoes, ultimately slowing or stopping the vehicle. The brake cup seal ensures that the hydraulic fluid remains contained within the brake system and does not leak out, allowing for consistent and reliable braking performance.
In addition to its primary function of preventing hydraulic fluid leaks, the brake cup seal also helps to maintain the proper function of the brakes by ensuring that the cylinder is properly sealed and protected from contaminants. Dirt, dust, and moisture can compromise the performance of the braking system, leading to decreased braking efficiency and potential damage to brake components. The brake cup seal creates a barrier between the cylinder and external elements, helping to keep the brake system clean and functioning optimally.
Feature:
One of the key features of a high-quality brake cup seal is its durability and resistance to wear and tear. The seal is exposed to high pressures and temperatures as well as constant movement as the brakes are applied, so it must be able to withstand these conditions without deteriorating. A well-made brake cup seal is typically constructed from high-quality materials such as rubber or silicone, which offer excellent resistance to heat, pressure, and abrasion. This ensures that the seal remains intact and effective over a long period of time, providing consistent brake performance and safety.
Another important feature of a brake cup seal is its precise fit and compatibility with the brake system components. Brake cup seals come in a variety of sizes and shapes to fit different types of brake cylinders, so it is crucial to choose the correct seal for your specific vehicle make and model. Using an ill-fitting or incompatible brake cup seal can lead to leaks, reduced braking performance, and potential safety hazards. It is important to consult with a professional mechanic or refer to the vehicle's service manual to ensure that you are using the correct brake cup seal for your brakes.
Hydraulic wheel cylinder:
A hydraulic wheel cylinder is a vital component of a vehicle's braking system. This cylinder is responsible for applying force to the brake shoes, which in turn causes friction against the brake drum to slow down or stop the vehicle. The function of the hydraulic wheel cylinder is essential for ensuring safe and efficient braking performance.
Feature:
One of the key features of a hydraulic wheel cylinder is its ability to convert hydraulic pressure into mechanical force. When the brake pedal is depressed, hydraulic fluid is sent from the master cylinder to the wheel cylinders through the brake lines. The hydraulic pressure builds up inside the cylinder, causing the piston to move outwards and push against the brake shoes. This action creates friction against the brake drum, resulting in the vehicle coming to a halt.
Hydraulic wheel cylinders come in various sizes and configurations, depending on the type of vehicle they are used in. They are typically made of high-quality materials such as cast iron or aluminum to withstand the high pressures and temperatures generated during braking. The cylinder consists of a housing, piston, seals, and hydraulic fluid ports, all of which work together to facilitate smooth and reliable braking performance.
Features:
Another important feature of a hydraulic wheel cylinder is its durability and longevity. Since this component is constantly exposed to heat, moisture, and road debris, it is essential that it is made to withstand these harsh conditions. Quality wheel cylinders are designed to resist corrosion, wear, and leakage, ensuring that they remain functional and reliable for an extended period of time.
In addition to their durability, hydraulic wheel cylinders are also designed for easy installation and maintenance. Most wheel cylinders are bolt-on components that can be easily replaced when necessary. Regular maintenance of the brake system, including checking and replacing worn-out wheel cylinders, is crucial for ensuring the safety and efficiency of the braking system.
One of the benefits of using hydraulic wheel cylinders is their superior performance compared to other types of braking systems. Hydraulic systems provide a more responsive and efficient braking action, allowing for better control and stability when stopping the vehicle. This type of braking system is also less prone to fading, meaning it can maintain consistent performance even under heavy braking conditions.
Approaching NOK-CN factory
NNK belongs to NOK-CN factory, we have more than 150 employees and strong delivery capacity. Our technicians are experienced, we have been committed to the sealing industry for decades, and have independent research and development capabilities. Our metal shells are produced by ourselves, and the quality is guaranteed. Our rubbers are all imported materials, and each product is strictly tested.If you need please contact us.
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