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Address: 55 Anyang Street, Xiangyang Industrial Park, Liaoyang County, Liaoyang City, Liaoning Province

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Rectangular metal expansion joint for flue duct

Rectangular metal expansion joint for flue duct

  • Taxonomy:Expansion joint for air-cooled Island

  • Click times:
  • Date of release:2019/03/11
  • Specifications:
  • Type:
  • inquiry
  • introduce

I. Product Introduction


Rectangular metal corrugated expansion joints of spherical compensators are mainly used for gas or dust gas pipelines and fan outlets in large cross-section of power plants, metallurgical, cement and petrochemical equipment systems. They are mainly used to absorb displacement and/or shock absorption caused by temperature and load. Its angle is not structured in round angle, oblique angle, camera angle, waveform is CE wave, U wave, V wave, UV wave, pressure is vacuum ~ 0.1 MPa, temperature is 40 ~ 400 C, cross-section size is arbitrary, stainless steel can also be used for materials, such as Cotton steel, carbon steel, etc.


Our company has a special production line for producing rectangular fillet metal expansion joints. The products are designed and manufactured according to CE standard of American Combustion Company and EMA standard of American Expansion Joint Manufacturers Association, combined with the special conditions of power plants in China. The main characteristics of this waveform are waveform optimization, good compensation performance of corrugated pipes per unit weight, suitable propaganda made of stainless steel, large compensation amount, wide use, and especially suitable for power plants in China. For pipes with high temperature or corrosion resistance, such as hot air and flue. Compared with the oblique and camera angle expansion joints, the rectangular fillet expansion joints change the corner from right angle to arc transition, so that the welding position changes from corner to right side, which improves the stress condition of the corner, makes the stress structure more reasonable, and has the characteristics of uniform wave height and wave distance, small thinning and low stiffness. Especially by improving the stress condition, the ability of absorbing transverse displacement composed of two expansion joints can be satisfied. There will be no cracking at the corner of the right-angled expansion joint. Reducing stiffness will reduce the thrust of expansion joints on equipment or fixed points; long fatigue life will increase service life and reduce the comprehensive investment of pipelines.

Rectangular metal expansion joint for flue duct

The single rectangular corrugated expansion joint is used to absorb the axial displacement or to reduce the vibration, while the compound rectangular corrugated expansion joint is used to absorb the displacement in three directions.

Three, explain



1. Rectangular fillet metal corrugated expansion joints are usually welded in the form of 20 mm pipe insertion into the expansion joints. The flanged connection of 12 # or 10 # channel steel is angle steel flange. Bellows generally use 304 stainless steel, and structural parts generally use Q235A.



2. Bellows generally use 1-2 waves, which can be formed at one time. If multi-waves are needed, 1-2 waves are usually combined through connecting plates (4 waves can be formed at one time when wave height is 108 mm).

Rectangular metal expansion joint for flue duct



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Liaoning Huawei Thermal Equipment Co., Ltd.

Address: 55 Anyang Street, Xiangyang Industrial Park, Liaoyang County, Liaoyang City, Liaoning Province

Tel: +86-0419-7677085

Website: www.lnhwrl.com


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