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Contact number:0371-68676867
Contact number:0371-68676867
Internal and external pressure balanced corrugated compensator is also known as internal and external pressure balanced pipe expansion joint, metal corrugated expansion joint. The internal and external pressure balanced corrugated compensator has the ability to absorb internal pressure thrust, has good guidance, small product stiffness, and small overall dimensions.
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Introduction to Internal and External Pressure Balanced Corrugated Compensator
Internal and external pressure balanced corrugated compensator is also known as internal and external pressure balanced pipe expansion joint, metal corrugated expansion joint.
The internal and external pressure balanced corrugated compensator has the ability to absorb internal pressure thrust, has good guidance, small product stiffness, and small overall dimensions.
Connection method of internal and external pressure balanced corrugated compensator: ① flange connection type ② nozzle connection type.
Axial compensation amount of internal and external pressure balanced corrugated compensator: according to user requirements.
Characteristics of internal and external pressure balanced corrugated compensator
Structural Characteristics of Internal and External Pressure Balanced Corrugated Compensator (Metal Corrugated Expansion Joint)
The pipeline expansion joint is formed by connecting the internal pressure expansion joint and the external pressure expansion joint.
The expansion joint of the pipeline has the characteristics of large compensation, no internal pressure thrust, and small elastic reaction force.
Precautions for Installation of Internal and External Pressure Balanced Corrugated Compensators
Precautions for installation and use of internal and external pressure balanced corrugated compensator (metal corrugated expansion joint):
(1) The drain port is downward during installation.
(2) After on-site installation, the pull rod needs to be removed.
(3) During installation, the flow direction of the medium shall be consistent with the flow direction sign of the pipe expansion joint.
Calculation of the force exerted by the internal and external pressure balanced corrugated compensator (metal corrugated expansion joint) on the support:
Axial elastic force: Fx=Kx * (f * x)
Kx axial stiffness N/mm
X-axial actual deformation mm
F - Calculation coefficient, when pre deformation (including △ X=0) f=1/2, when no pre deformation is performed, f=1.
Application examples of internal and external pressure balanced corrugated compensators (metal corrugated expansion joints):
A section of hot water pipeline with a diameter of 400mm is 40m long, with a medium pressure of 1.6Mpa, a working temperature of 100 ℃, and an installation temperature of 20 ℃. Trying to select the type of compensator does not calculate the bearing force.
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