Rubber expansion joints consist of inner and outer rubber, nylon cord fabric which are vulcanized and then combined with metal flanges or loose sleeves of parallel joints.
This product can reduce vibration and noise, and compensate thermal expansion and contraction caused by temperature change. It is widely used in various pipeline systems

1. The product could primarily reduce the quiver and noise of the piping system; completely solve the different piping problems as displacement of joint, axial flex and etc.

2. According to different material requirement, product could be made as acid proof, alkali proof, corrosion proof to suit different medium and environment.

3. The material are good sealing, light weighting, easy to fix and maintain, also has long usage life, But please keep far away from sharp metal in order to avoid breaking of the ball.

4. Overhead use should match with the resilience supporting, and diagonally method should be used when fit the bonnet.

5. Please use limiting bonnet to connect the flanges if piping pressure is high.

.a) How can I get more details about your products?
You can send an email to our email address. We will provide catalogue and pictures of our products for your reference.We can also supply pipe fittings, bolt and nut, gaskets etc. We aim to be your piping system solution provider. 
b) How can I get some samples?   
If you need, we will offer you samples for free, but new customers are expected to pay express charge. 
c) Do you provide customized parts? 
Yes, you can give us drawings and we will manufacture accordingly. 
d) To which country have you supplied your products?
We have supplied to Thailand, China Taiwan, Vietnam, India, South Africa, Sudan, Peru , Brazil, Trinidad and Tobago, Kuwait, Qatar, Sri Lanka, Pakistan, Romania, France, Spain, Germany, Belgium, Ukraine etc. (Figures here only include our customers in latest 5 years.). 
e) I can't see the goods or touch the goods, how can I deal with the risk involved?  
Our quality management system conforms to the requirement of ISO 9001:2015 verified by DNV. We are absolutely worth your trust. We can accept trial order to enhance mutual trust.