Carbon Steel ANSI 150LB Flanged Flexible DN500 EPDM Rubber Expansion Bellows Joint

Rubber expansion joints, also known as rubber flexible connectors, are flexible connection devices that compensate for pipeline displacement through rubber elastic deformation.

Their typical structure includes:

1.Main rubber layer: natural rubber (NR), ethylene propylene diene monomer rubber (EPDM), or chloroprene rubber (CR)

2.Reinforcement layer: polyester fabric or steel wire braiding (to withstand pressure)

3.Flange/clamp interface: carbon steel flange (Q235B), stainless steel flange (304/316), or ring clamp.

The core functions of rubber expansion joints include:

1.Three-dimensional displacement compensation: axial ±15 mm, lateral ±10 mm (based on DN200)

2.Vibration reduction and noise reduction: can reduce pipe vibration transmission rate by ≥80%

3.Absorption of installation errors: allows ±5° pipe deflection

Lianghe rubber expansion joint are compliant and resilient elements that help to reduce tensile strength between piping systems rubber based material are more than resilient than metal,fiberglass or plastic ones,therefore they have been deployed in construction and hydraulic sectors.

Factory

Rubber expansion joint ball inventory

FAQ

1.Is the flange galvanized?

Yes,Carbon steel flange not painting anticorrosive paint must be galvanized in order to avoid rusting.Usually,we choose electronic galavnized and hot dip galvanized,and most of our customer will choose hot galvanizing.

2.What kind of standard of your drilled flange?

Besides Chinese national standard,we also support ANSI,BS,DIN,JIS,GB an son on,If you can give us the center distance of the hole,the number and diameter,we can also produce customized flange.

3.Can the inner layer rubber and outside layer rubber be made using different rubber?

Yes,we can produce the rubber joint according to the enviroment the rubber joint is used in,and we will choose different rubber for the inner layer and outside layer.

4.Can I only buy ball withour the flange?

Yes,and the price will be cheaper.For small diemeter rubber joint,we have a large of stock and we can offer you a free hydrotest.