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Product Group CS Mechanical Seals 

Cartridge mounted seals from a module system, universal application, independent of direction of rotation and adaptable for most mounting situations.

Depending on the specific mounting requirements, the seals can be individually modified.

CS 20

CS 20
Cartridge mounted seals, single-acting mechanical seals with higher radial and axial tolerances and external spring assembly

CS 20

Characteristics:

  • pressure balanced, stationary construction type
  • externally-flushed and self-flushed depending on requirements
  • multiple spring-loaded
  • Spring outside of pumped medium
  • independent of rotational direction
  • temperature dependent on the auxiliary seals
  • applicable up to 25 bar
  • V umax. = 15 m/s

Different Versions for Individualisation

Construction Materials:
1.4571, 1.4462, HC4
Materials Rotary and Stationary Ring:
Silicon Carbide, Tungsten Carbide, A/B Carbon
Materials Auxiliary seals:
NBR, Viton (FDA), EPDM (FDA), Kalrez, PTFE
Other Materials:
subject to enquiry
Dimensions / Sizes:
30-340 mm
CS 21

CS 21
Cartridge mounted, double-acting mechanical seals for special applications e.g. in the chemical industry

CS 21

Characteristics:

  • pressure balanced, stationary construction type
  • externally-flushed and self-flushed depending on requirements
  • multiple spring-loaded
  • Spring outside of pumped medium
  • independent of rotational direction
  • temperature dependent on the auxiliary seals
  • applicable up to 25 bar
  • V umax. = 15 m/s

Different Versions for Individualisation

Construction Materials:
1.4571, 1.4462, HC4
Materials Rotary and Stationary Ring:
Silicon Carbide, Tungsten Carbide, A/B Carbon
Materials Auxiliary seals:
NBR, Viton (FDA), EPDM (FDA), Kalrez, PTFE
Other Materials:
subject to enquiry
Dimensions / Sizes:
24-125 mm
CSD 21

CSD 21
Cartridge mounted, double-acting mechanical seals for special applications e.g. in the chemical industry

CSD 21

Characteristics:

  • double pressure balanced, stationary construction type
  • quench mode or pressurised
  • multiple spring-loaded
  • Spring outside of pumped medium
  • independent of rotational direction
  • temperature dependent on the auxiliary seals
  • applicable up to 25 bar
  • V umax. = 15 m/s

Different Versions for Individualisation

Construction Materials:
1.4571, 1.4462, HC4
Materials Rotary and Stationary Ring:
Silicon Carbide, Tungsten Carbide, A/B- Kohle, Chrome Steel
Materials Auxiliary seals:
NBR, Viton (FDA), EPDM (FDA), Kalrez, PTFE
Other Materials:
subject to enquiry
Dimensions / Sizes:
24-100 mm
CSR

CSR
Cartridge mounted, single-acting mechanical seal, protective spring chamber, particularly resistent to chemical processes in flue gas desulfurization.

CSR

Characteristics:

  • pressure balanced, stationary construction type
  • multiple spring-loaded
  • Spring outside of pumped medium in protective spring chamber
  • independent of rotational direction
  • temperature dependent on the auxiliary seals
  • applicable up to 25 bar
  • V umax. = 15 m/s

Different Versions for Individualisation

Construction Materials:
1.4571, 1.4462, HC
Materials Rotary and Stationary Ring:
Silicon Carbide, Tungsten Carbide, A/B Carbon, Chrome Steel
Materials Auxiliary seals:
NBR, Viton (FDA), EPDM (FDA), Kalrez, PTFE
Other Materials:
subject to enquiry
Dimensions / Sizes:
50-250 mm
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