Brake master cylinder seal kit Description
Specifications
Brake master cylinder seal kit vary depending on the vehicle type and the specific application. Generally speaking, the size of the seal ring needs to match the size of the cylinder bore and piston of the brake master cylinder to ensure good sealing performance. For example, the fitting gap between the piston and the cylinder barrel is not more than 0.15mm, and there is no serious rust and strain on the inner surface of the cylinder barrel.
| Material | Operating Temperature Range (°C) | Key features |
|
NBR |
-40~100 | Oil-resistant |
| EPDM | -50~150 | Radioactive and alkali resistant |
| FKM | -20~200 | Oil-resistant, heat-resistant, corrosion-resistant |
| VMQ | -60~230 | Hardy and heat-resistant |
Materials
Brake master cylinder seal kit are typically made of highly abrasion-resistant rubber materials such as ethylene propylene diene monomer (EPDM) and nitrile rubber (NBR). These materials have good oil resistance, high temperature resistance and abrasion resistance, and can adapt to the working environment of the braking system. For example, the seal ring of the brake master cylinder produced by Ningguo Zhongke Seals Co., Ltd. is mainly made of EPDM rubber and nitrile rubber. In addition, seals and vent diaphragms are often made of EPDM material.
Applications
The brake master cylinder seal is mainly used to prevent brake fluid leakage and ensure the normal operation of the braking system. Specific applications include:
Sealing the connection between the protective cover and the housing: the annular clamp on the sealing ring is attached to the card slot on the housing to improve the sealing of the joint.
The connection between the push rod and the sealing protective cover: the push rod is closely fitted with the through holes on the first sealing ring, the second sealing ring, the first pressing plate and the second pressing plate, so as to improve the sealing performance of the push rod when moving.
The connection between the reservoir and the main pump body: the sealing design is carried out by adding a sealing ring to prevent brake fluid leakage.
Vendors
Here are some well-known brake master cylinder seal ring suppliers:
Linde Polymer Tec Co., Ltd.: Founded in 2007, it focuses on the research and development, production and sales of automotive brake system seals, and its main products include EPDM rubber and nitrile rubber seals.
Beijing Zhongke Luda Test Instrument Co., Ltd.: Although the main product is test instruments, it also involves the testing and research and development of related materials.
Summary
Master cylinder seals are a critical component in ensuring proper braking system function, and their specifications and material selection need to be optimized for the specific application and operating environment. Highly abrasion-resistant rubber materials such as EPDM and nitrile rubber are common choices that provide good sealing performance and durability. Suppliers such as Ningguo Zhongke Seals Co., Ltd. have rich experience and high-quality products in this field.
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