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Metal Bellows Expansion Joint – External Pressurized, Flanged, PN16

Externally pressurized stainless steel bellows expansion joint with flanged ends, designed to absorb high axial movements in hot water, steam, superheated steam and compressed air systems. High durability, corrosion resistance and long service life.

TECHNICAL DATA

  • Design: Externally Pressurized Bellows, Flanged

  • Nominal Diameter (DN): DN25 – DN300

  • Pressure Rating: PN16

  • Working Temperature: –80°C … +420°C

  • Bellows Material: Stainless Steel

  • Flanges: Carbon steel or stainless steel (depending on order)

  • Movement Type: High axial absorption

  • Resistance: High pressure, high temperature, vibration & corrosion

  • Standards: CE • TSE • EAC

The Metal Bellows Expansion Joint (External Pressurized, Flanged, PN16) is engineered for systems that require high axial movement absorption under severe temperature and pressure conditions. The external pressurization design increases the stability of the bellows, prevents buckling and allows excellent movement compensation even at long cycle operations.

With its flanged connection, installation and maintenance become significantly easier, while the stainless steel bellows and welded structure ensure superior resistance against corrosion, vibration, expansion, contraction, and bending stresses.

This expansion joint is ideal for industrial plants where reliability, safety and long-term performance are essential—especially in steam, superheated water, hot oil lines and compressed air systems.