Yuyao Ningbo Haoyun Rubber Co.,Ltd.

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Standard Size Brake Chamber Diaphragm , Air Brake Diaphragm -20~100 Degree Temperature 

Working with HAOYUN RUBBER is my best choice after years searching for the best suppliers in China. They help us to handle all the product development, quality control and speedy delivery,

—— Edward

We have been doing business with HAOYUN RUBBER company for many years with high performance-cost and superior service. Such a honest factory and rubber product are good !

—— Maria Rodriguez

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Standard Size Brake Chamber Diaphragm , Air Brake Diaphragm -20~100 Degree Temperature 

China Standard Size Brake Chamber Diaphragm , Air Brake Diaphragm -20~100 Degree Temperature  supplier

Large Image :  Standard Size Brake Chamber Diaphragm , Air Brake Diaphragm -20~100 Degree Temperature 

Product Details:

Place of Origin: China
Certification: ISO/TS16949:2009

Payment & Shipping Terms:

Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: plastic bag and carton
Delivery Time: 30 days
Payment Terms: L/C, T/T
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Detailed Product Description
Color:: Black Etc. Hardness: 50A, 55A, 60A, 65A, 70A, 75A, 80A, 85A,90A, Etc
Temperature:: -20℃~100℃ Size:: Custom
Material: NBR Etc. Certificated: ISO-9001:2000, ISOTS16949
High Light:

air brake diaphragm replacement


flat round rubber seals

Product Description

Spring brake chamber is permanently sealed for increased safety

Includes spring brake cage bolt
Includes clevis for attachment to slack adjuster


Product Name Customized rubber diaphragm brake air chamber rubber diaphragm
Type nonstandard/custom
Material NBR etc.
Color Black etc.
Size Custom
Used car brake system



Each material has its advantage,

1. Silicone: high temperature resistance,

2. NBR: oil resistance,

3. CR: abrasion resistance,

4. EPDM: aging resistance,

5. FKM: corrosion resistance, etc.



Main Rubber And Properties


Material Type Temperature describe performance
NBR -25~100 °C

1. Oil resistant, water resistance

2 Good compression slanting, anti-wear and elongation




-20~250 °C

1. Corrosion resistance

2. High temperature resistance,

3. antistatic

CR -50~150 °C

1. Oil resistant, water resistance

2. flameproof



-25 ~150°C

1. Corrosion resistance,

2. high temperature resistance





1. Wear resistance

2. heat resistance

HNBR - 62~204°C

1. Oil resistant

2. temperature resistance



1. Can you make OEM products?


Yes, we mainly do GB products and custom products as well. We develop and produce products according to the drawings or samples provided by our customers.




2. What is the production capacity of your company?


We have two dust-free production lines for oil seals, sealing products and rubber sundries with an annual production capacity of 50 million pieces. And three production lines for automobile transmission belts with an annual production capacity of 8 million pieces.




3. How many employees are there in your company and how many of them are technicians?


Our company has more than 105 employees including 15 professional technical personnel and 10 engineers.




4. How does your company guarantee product quality?


First of all, each of our processes will be followed by the corresponding inspection. For the final product, we will do 100% full inspection according to customer requirements and international standards.

Contact Details
Yuyao Ningbo Haoyun Rubber Co.,Ltd.

Contact Person: Lena Zheng

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