Products > Compensators > Fabric compensators type EKT

Fabric compensators type EKT

Compensators suppress vibrations, shifts and twists. They are a connection element on tubular ducts, flue gas and hot air passes. For production of fabric compensators, several kinds of technical fabrics are used, selected in terms of operating requirements of a given system. Normally compensators consist of several fabric layers, sewed with each other with aramid or glass threads strengthened with a chromium-nickel wire. Gastight layers are glued, welded or vulcanized according to the type of coating. Materials used most often are glass raw fabrics, glass metalized fabrics, glass silicon fabrics, ceramic, silicon, aramid fabrics, insulation fabrics and steel nettings. If the compensator works in the chemically aggressive utilities, additionally a film (jaconet) of PTFE or a fabric coated with FKM rubber are used, that as a result of excellent chemical resistance prevent the flow of aggressive gases to the external layers of the sleeve.

Application

Apart from power industry, as one of the most important domains of their application, compensators give many other possibilities of solutions in different branches of industry, also where we are dealing with chemically aggressive environment, high temperatures and high pressure (among others, in flue gas desulphurization systems).

  • power plants with boilers fired with coal, oil and gas,
  • flue gas desulphurization systems,
  • waste incineration plants,
  • chemical plants,
  • lime and cement industry plants,
  • steelworks,
  • systems of industrial furnaces,
  • Varnishing and drying systems,
  • dedusting and filtration systems,
  • ventilation systems,
  • shipyard industry,

Properties

  • resistant to gas media,
  • used in a wide range of temperatures and pressures,
  • manufactured only on the basis of asbestos-free materials,
  • assembled in channels with circular and rectangular section,
  • highly resistant , owing to their multi-layer structure of the flexible part,
  • designed individually, on the basis of mechanical – thermal assumptions, provided by the client.

  TYPE

Structure

Temperature
of use

Chemical
resistance

 Max.
pressure **

                 Use                   

Recommended
frame type

EKT-200-1W

1-layer compensator fabric

 -100 ... +200

°C

 weak

-100 /+300

mbar

non-aggressive gases in heating and ventilation systems 

R2

R3

R5

R6

EKT-400-4W

4-layer compensator fabric with fluoride-polymer chemical proof layer 

-100 ... +400

°C

very good
(pH 0-14) *

 -100 /+300

mbar

aggressive gases e.g.in systems for flue gas discharge and treatment 

R2

R3

R4

R5

R6

EKT-800-6W

6-layer compensator fabric with

fluoride-polymer chemical proof layer and integrated insulation 

-100 ... +800

°C

 good

-100 /+300

mbar

aggressive and hot gases for instance in systems of flue gas discharge and treatment 

R1

R4

EKT-1100-6W

6-layer compensator fabric with

fluoride-polymer chemical proof layer+ insulation cushion 

-100 ... +1100

°C

 good

-100 /+300

mbar

aggressive and very hot gases for instance in systems of gas turbines, cement plants etc. 

R1

R4

EKT-EPDM-1W

1 layer of ethylene propylene rubber (EPDM) 

-35 ... +100

°C

good

 -100 /+400

mbar

air, steam and other medium-aggressive and damp gases 

 R2

R3

R6

EKT-FKM-1W

1 layer of fluorine-elastomer rubber (FKM) 

-35 ... +200

°C

 very good 

 -100 /+400 mbar

aggressive and damp gases for instance in systems of flue gas discharge and treatment 

R2

R3

R6

 

* resistance to all known chemicals compounds except for melted alkaline metals, elementary fluorine, hydrofluoric acid, gas hydrogen fluoride and chlorine three-fluoride
** value of the maximum level is specified with regard to structure of frame of type R1, R2, R3 and R4 for compensators delivered in a closed form. Leaks in the vicinity of compensator flanges detectable with a soapy solution are a typical phenomenon and do not determine defectiveness of the product.

Comments:

  • if the utility temperature exceeds 400 °C, use insulation cushions. 
  • if the utility contains solid particles in the quantity greater than 200 mg/Nm3 ,
  • use sheets controlling flow, and at very high level dustiness, also insulation cushions.

/BS - silicon-free
/AR - hard-wearing
/SP - accordion



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Fabric compensators type EKT