How to Custom-Made the Rubber Flanged Bellows Expansion Joint?

Rubber flanged bellows expansion joints are differed in rubber material, flange material, connection methods and rubber sphere quantity... These models apply to different application sites. Do you know how to custom-made the rubber flanged bellows expansion joints according to the specific working condition? The most important thing is figure out following questions:

rubber flanged bellows expansion joints

How many rubber sphere do you need? The options are single sphere, double sphere, triple sphere and multiple sphere rubber flanged bellows expansion joints.

What forming process do you prefer? Mould pressing or hand-built spool type?

What’s the installation length of rubber expansion joint? You need to calculate the distance between two pipelines that need to be connected.

What’s the working pressure of rubber expansion joint? From PN0.25 to PN3.0 or more.

What’s the flowing media within pipeline? Commonly seen medium including drinking water, waste water, seawater, hot steam, petroleum, limestone slurry, hydrochloric acid, sulfuric acid, pulp, etc..

What’s the working temperature of rubber flanged bellows expansion joint? Select form -40℃ to 180℃.

What’s the flange material? Choosing from Q235, SS400, St37.2, A105, SS304, SS316, SS310, S321, casting, steel or ductile cast iron.

What’s the flange standard? Choosing from ANSI B16.5, DIN2501, ISO7005.1, ISO7005.2. BS4504, EN1092, JIS, etc..

What’s the rubber material of rubber expansion joint? Choosing form NR, CR, NBR, EPDM, IIR, FKM, PMQ, GAS and so on.

What material do you prefer for the reinforcement layer? Cord fabric or steel wire?

Other requirements should also be clarified: the location of reinforcement ring, vacuum degree, whether requires limit rod, number of limit rods, whether requires buried protective device, whether requires colored tape and other special requirements.

Please list above answers before make an enquiry, it helps us quickly calculate the price for you. Kindly send the inquiry to best@lanphan.com