Expansion Joint Supplier - China

Expansion joint

Expansion joint can also be called pipe expansion joint, compensator, expansion.

Expansion joint is divided into: corrugated expansion joint, sleeve expansion joint, square natural compensation expansion joint and other major types, 1 - Compensation for expansion deformation caused by heating of absorption pipeline in axial, lateral and angular directions.

2 - Absorb equipment vibration to reduce the influence of equipment vibration on pipeline.

3 - The amount of deformation of pipelines by absorbing earthquake and subsidence.

Because of the heat expansion and cold contraction of the pipe, so for the pipe, it is necessary to produce the stress and push tension of the pipe wall; The stress on the wall of the pipe affects the strength of the pipe, and the push and pull force increases.

The fixed bracket of the pipe should be made large to withstand the push and pull force generated by the pipe expansion.

Therefore, the variable opening method compensated by the ductile iron pipe mechanical joint fittings is used to reduce the stress and thrust of the pipe wall.

The expansion joint is mainly used to compensate the expansion deformation caused by the temperature change of the pipeline, and also to compensate the length of the pipeline due to the installation and adjustment.

It is mainly divided into three structural forms: wholesale elbow expansion joint, bellows expansion joint and casing expansion joint.

Company Contact:

• Posted By: Hebei tongmao pipeline equipment manufacturing Co.,Ltd

• Phone: 15369751787

• Address: Pusheng Road, cangzhou , Hebei , China

• Email:

• Business Description: Hebei Tomorrow Pipeline Equipment Manufacture Co., Ltd. is a large-scale manufacturer of Ductile iron pipes, Heat preservation and Anticorrosion pipes and pipe fittings in China.
  
  It is a provincial science and technology enterprise integrating the research, development, production and sales of pipes and pipe fittings.
  
  It is located in Puwa City Development Zone, Yanshan County, Cangzhou City, Hebei Province, China's pipeline equipment manufacturing base.
  
  The company has a modern workshop of 35,000 square meters and advanced production equipment, and has a high degree of automation and mechanization of process equipment.
  
  Key equipment such as intermediate frequency electric furnaces and spectrum analyzers are imported from abroad.
  
  The entire production line of centrifugal molding, annealing, zinc spraying, finishing, and packaging ranks domestically advanced.
  
  It owns a 318m3 blast furnace with a daily output of 1,000 tons of high-quality hot metal.
  
  It adopts the blast furnace-electric furnace dual short-flow continuous casting process to produce centrifugal ductile iron pipes in strict accordance with GB13295 and ISO2531 standards.
  
  The main products are 15 types of ductile iron pipes of DN80-1200㎜ The products are widely used in gas transmission, water supply, electricity and other projects.
  
  Blast furnace gas is piped to the pipe production line for full utilization, which not only saves energy, reduces production costs, but also reduces the impact on the environment.
  
  The company strictly follows the scientific and perfect production process and ISO9001, EN545, EN598, ANSI / AWWA, C151 / A21, 51-02 standards.
  
  ISO9001 quality management system certification, ISO14001 environmental management system certification, French BV system certification, special equipment pressure pipeline certification issued by the General Administration of Quality Supervision, Inspection and Quarantine, the first in China to pass urban and rural safety drinking water-saving certification; "National Quality Inspection Stable and Qualified Products" and "National Certificate of Excellent Enterprise of Quality and Integrity".
  
  https: //www.
  
  tongmaopipeline.
  
  com/