Spool type rubber expansion joint is designed for the non-standard products, it has the same function with molded type rubber expansion joint, they are all used for compensating system pressure spikes and accommodating axial, lateral and angular movements.
Spool type is more expensive than molded type, so do you know why rubber expansion joint suppliers still fabricate spool rubber expansion joint for sale? As a rubber expansion joint supplier, we receive inquires from all over the world, and molded type standard rubber expansion joints are not applicable for all working condition, most working environment require non-standard products to fit for using. In this circumstance, rebuild a mould or revise a mould is too expensive, rubber expansion joint suppliers always recommend customers to order a spool one.

What circumstances should you choose spool rubber expansion joint?
First, length different from standard type, whether too short or too long;

Second, small diameter products require rubber expansion joint suppliers to fabricate full face flange, floating flange rubber joint is difficult to be fabricated to spool type;

Third, drill hole is differ from standard, especially oversize center distance, mould can not meet requirements.

What’s the difference between spool and molded type rubber expansion joint?
For molded type rubber expansion joint suppliers, the mould is made according to different country standard, although preliminary mold production cost is high, but the standard rubber expansion joint order amount is very big, in total the price is preferential a lot with the long time. And mold vulcanization of rubber joint can product non-standard length according to the height of the extended mold.

Spool rubber expansion joint supplier manufacture spool type by hand built process, adjusting the rubber joint spacing rod can well adjust rubber joint length, suitable for different environments, and rubber joint products need not manufactured mould so length can be adjusted, but the price cost is higher.


In summary, model selection should on basis of actual working conditions. We Henan Lanphan is a qualified rubber expansion joint supplier in China, our products exported to worldwide countries and areas, if you are looking for rubber expansion joint supplier, do not hesitate to contact us at [email protected]