Rectangularexpansion Joint

Rectangularexpansion Joint

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FGFB Rectangular corrugated compensator

FGFB Rectangular Crrugated Compensator

  • [Name]: FGFB Rectangular Crrugated Compensator
  • [PN]: 0.6-2.5Mpa
  • [Medium]: Air, water, seawater, oil, slurry, weak acid, alkali, etc
  • [Material]: SS304, 316, Q235 etc.
  • [Certification]: ISO9001:2008
  • [Specification]: FGFB model
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Overview

Rectangular metallic bellows expansion joints are fabricated to absorb vibration and thermal movements in duct systems. High profile, low spring-rate corrugations will allow for large amounts of movement in short face-to-face designs. Flanges can be either internal or external. A variety of alloys can be used to assure trouble-free operation in high temperature conditions. Axial, lateral, and angular movement can all be accommodated. Similar low-pressure bellows are also manufactured for circular duct systems.

Rectangular metal pipe expansion joints have a variety of applications in the power, petrochemical, refining, chemical, and steel industries. Like circular pipe expansion joints, rectangular pipe expansion joints absorb three types of movement: axial, lateral and angular. For the purpose of designing rectangular bellows, it is critical to know in which direction the lateral and angular movements will occur, i.e. parallel to the long and/or short side of the bellows. Unlike circular bellows where the pressure stress is a circumferential membrane (hoop) stress, the rectangular bellows must be designed for longitudinal (beam) bending stresses.
 

Features

Corrugated compensator belong to a kind of compensation component. Making use of bellows effective expansion and deformation to absorb pipe, tube, container deformation cause by thermal expansion and cold contraction, or compensate pipe, tube and container axial, lateral and angular direction displacement. Also can be used in noise and vibration reduction.

Feature of rectangular expansion joint

 1) reasonable structure,good elasticity,large range of compensation pipeline and little counterforce
    to the brackets of pipeline.
2) shock absorption and noise decrese, heat and dust insulation
3) the displacement can be deflected to prevent damage caused by subsidence of connected                 brackets and equipment base.
4) it is convenience to installation and maintenance
 
Function:
1.When pipeline cross the foundation beam or basement wall, in order to avoid base fell have pressure on pipeline, need install square compensator. 　　
2. If the heat pipe is too long, need install square compensator to reduce pipeline stretching caused by thermal expansion and cold contraction.
 

Specification

 DN  A  B  A1 H  B1 Weight(kg)
600×700  600  700  909  286  1009  39.6 
600×800  800  1109  42.4 
600×900  900  1013  1313  69 
700×500  700  500  809  286  1009  36.8 
700×700  700  1009  42.4 
700×800  800  1113  1213  69 
800×800  800  800  1213  73.1 
800×1200  1200  1613  90 
800×1600  1600  2013  106.8 
900×400  900  400  709  1209  39.6 
900×700  700  1113  1313  73.1 
900×1200  1200  1313  1613  94.1 
1000×600  1000  600  1013  286  1418  73.1 
1000×700  700  1113  77.4 
1000×800  800  1213  81.5 
1000×1000  1000  1413  90 
1200×600  1200  600  1013  286  1613  81.5 
1200×700  700  1113  85.7 
1200×800  800  1213  90 
1200×1000  1000  1413  98.3 
1200×1200  1200  1613  106.8 

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