This project is for Fangchenggang nuclear power plant.
Now, I will introduce the manufacturing process of Liwei brand DN2800 (112") rubber expansion joint, In this article, I will provide more photos to introduce. I will say less and show more facts by photos. After read this article, you will understand why most customers choose us.
Choose correct raw material according to the application medium
For this project, we choose CR (chloroprene rubber) and IIR (butyl rubber), IIR used for inner layer, CR used for outer layer. Middle layer is polyester fabric.
a.IIR
b.IIR brand is EXONMOBIL
c.CR is
d. Raw rubber for DN2800 expansion joint
Progress of Refining Rubber
Composite rubber plate and polyester fabric
Rubber plate for rubber expansion joint
Mould of DN2800 rubber expasnion joint designed by Henan Liwei Industry Co.,Ltd.
Vulcanization of DN2800 rubber joint, This is our vulcanization tank, it is the largest in China.
Pressure test of the DN2800 rubber expansion joint
Hardness test of the DN2800 rubber joint
Package of rubber joint according to customer's requirement
Delivery of the DN2800 rubber expansion joint
Our Advantages: