Internal and External Pressure Balanced(NP)

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Structural Features
The internal and external pressure balance expansion joint can compensate the axial displacement of the piping system, and the internal pressure thrust is balanced by itself. The product of this structure can be applied to straight pipelines or large diameter pipelines for tall objects where fixed brackets are not suitable. The internal and external pressure balance type compensator is composed of a corrugated pipe and two end connections to form other parts.

● Material of Bellows: SUS 304(SUS 321 and SUS316L are also available)
● Nominal Diameter: DN100-DN1600
● Working Pressure: 0.25Mpa-2.5Mpa
● Working Temperature: -80℃/+450℃
● Connection: Flange connections or pipe end connection
● Material of Connection: Carbon steel
● Other choices: Inner sleeve, carbon steel, SUS304(SUS 321 and SUS316L are also available)
● Notes: If you have any other requirement, please contact us.