Bidirectional Directly Buried External Pressure Type

Products


	[Structural Features] This type of expansion joints has all of the advantages both of the External Pressure type and the Directly Buried Internal Pressure type. It not only can be buried directly, but also has strong compensation ability. So when we use this type of expansion joints we not only make sure of the construction quality but also save the project cost greatly at the same time. That’s the reason why it is widely used in the city thermal pipeline network projects. Compared with Unidirectional Directly Buried External Pressure Type this product can be installed between two fixed supports and provide more compensation.

	Material of Bellows: SUS 304(SUS 321 and SUS316L are also available) Nominal Diameter: DN65-DN1200 Working Pressure: PN2.5/6/10/16/25 Working Temperature: -80℃/+450℃ Connection: Pipe end connection Material of Connection: Carbon steel GB/T 700 for standard use(Special material of connection to meet specific customer & industry requirements) Other choices: Inner sleeve, carbon steel, SUS304(SUS 321 and SUS316L are also available) Notes: If you have any other requirement, please contact us