LET

  • Chlor-Alkali Electrolysis
  • WT and WWT engineering

Compensators

Purpose of Rubber Expansion Joints for Water Hammer

Rubber expansion joints for water hammer are essential equipment in pipeline systems where hydraulic shocks and vibrations occur. These joints are designed to prevent damage to pipes, equipment, and reduce the negative impact of hydraulic shocks on the overall system.

Hydraulic shocks in pipeline systems can occur during sudden changes in fluid velocity, valve closure or opening, and other alterations in the system’s operating conditions.

The primary function of rubber expansion joints for water hammer is to prevent the adverse consequences of such shocks. They dampen vibrations and absorb the energy of hydraulic shocks, ensuring the stability and reliability of the pipeline system.

Usage of Rubber Expansion Joints

Rubber expansion joints for water hammer are widely used in various industries, such as oil and gas, chemical, energy, and water supply, particularly in water treatment and drainage. They are installed in hot and cold water supply systems, steam and thermal networks, as well as in cooling and air conditioning systems.

Types of Rubber Expansion Joints for Water Hammer

There are several main types of rubber expansion joints for water hammer, each designed to address specific tasks:

  • Expansion Joints: Designed to compensate for thermal expansion and contraction of pipelines and to dampen hydraulic shocks;
  • Ball Joints: Used to absorb vertical and horizontal vibrations, preventing damage to pipes and equipment;
  • Flexible Joints: Provide flexibility in the pipeline system, compensating for movements and vibrations caused by hydraulic shocks.

Device of Water Hammer Compensators

The main elements of rubber expansion joints include a flexible rubber element, which can be in the form of a plate, sleeve, or bellows. This element is installed between the flanges of the pipeline and is capable of compensating for changes in the pipe length, as well as absorbing the energy of hydraulic shocks.

Rubber expansion joints for water hammer play a crucial role in ensuring the safe and efficient operation of pipeline systems. Their proper selection and installation can significantly increase the lifespan of equipment and pipeline fittings, reduce repair costs, and ensure system stability. Therefore, it is important to pay proper attention to the selection and maintenance of rubber expansion joints for water hammer in accordance with the specific requirements of the system.

1SREJ – single-stage compensator

Designation Indicator Remark
1SREJ PN 6 –PN 40, DN 25 -3000, EPDM, Neoprene, NBR, PTE, -15 + 80 0C
  • stainless steel;
  • acids, alkalis, air, water.

Odnostupenchatyj-kompensator-1srejOdnostupenchatyj-kompensator-1srej-vid-sboku

1S REJ LS – single-stage compensator

Designation Indicator Remark
1S REJ LS PN 6 –PN 40, DN 40 -1200, EPDM, Neoprene, NBR, PTE, -15 + 80 0C
  • steel, stainless steel;
  • acids, alkalis, air, water.

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2S REJ – two-stage compensator

Designation Indicator Remark
2S REJ PN 6 –PN 40, DN 40 -1200, EPDM, Neoprene, NBR, PTE, -15 + 80 0C
  • steel, stainless steel;
  • acids, alkalis, air, water.

Dvustupenchatyj-kompensator-2s-rejDvustupenchatyj-kompensator-2s-rej-vid-sverhu

2S REJ ND2 – two-stage compensator

Designation Indicator Remark
2S REJ ND2 PN 6 –PN 40,  EPDM, Neoprene, NBR, PTE, -15 + 80 0C
  • steel, stainless steel;
  • acids, alkalis, air, water.

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1S REJ PTFE – single-stage compensator

Designation Indicator Remark
1S REJ PTFE PN 6 –PN 40,  PTFE, -15 + 80 0C
  • steel, stainless steel;
  • acids, alkalis, air, water.

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1S REJ Food – single-stage compensator

Designation Indicator Remark
1S REJ Food PN 6 –PN 40, DN 1 -600, EPDM, Neoprene, NBR, PTE, -15 + 80 0C
  • steel, stainless steel;
  • food-grade.

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1S REJ Arch – single-stage compensator

Designation Indicator Remark
1S REJ Arch PN 6 –PN 40, DN 2 -600, -15 + 80 0C
  • steel, stainless steel;
  • acids, alkalis, air, water.

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MS REJ SS – multistage compensator

Designation Indicator Remark
MS REJ SS PN 6 –PN 40, DN 2 -125, EPDM, Neoprene, NBR, PTE, -15 + 80 0C
  • steel, stainless steel;
  • acids, alkalis, air, water.

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MS REJ PTFE – multistage compensator

Designation Indicator Remark
MS REJ PTFE PN 6 –PN 40, DN 2 -1000, PTFE, -150 + 300 0C
  • steel, stainless steel;
  • acids, alkalis, air, water.

Mnogostupenchatyj-kompensator-ms-rej-ptfeMnogostupenchatyj-kompensator-ms-rej-ptfe-vid-sverhu