All bellow and sleeve material is Alloy 625
we produced the rectangular expansion joints for
Lens Type Expansion Joints hold up very good against corrosion and mechanical damages.
The idea of establishing a petrochemical industry
Metal penetration seal expansion joints provide 100% airtight solution for boiler penetrations.
Politeknik designed and manufactured several all stainless steel double gimbal,
Politeknik designed and manufactured a DN1700 flanged expansion joint with Alloy 825 Bellows and liner.