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.
rubber expansion bellows  has good comprehensive performance, so it is widely used in chemical industry, construction, water supply, water drainage, oil, light and heavy industry, freezing, sanitary, plumbing, fire protection, electric power and other infrastructure. 
Product features
1,clamp rubber joint only save the flange but also save the engineering cost
2,the product do not need flanging the tube mouth simplify the work efficiency
3,simplify the installation and maintenance work,  improve the efficiency

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.