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Seals for the Food and Pharmaceutical Industry

Special requirements for these areas assume special knowledge in order to meet the requirements of our customers.

Even at the construction stage, special attention is paid to a suitable hygiene design as well as to the specifications of the FDA and/or of the EU framework regulation 1935/2004 and other similar regulations.

Food and Pharmaceutical Industry
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
HD 21

HD 21
Dynamic, single-acting mechanical seals, multiple spring-loaded

HD 21

independentCharacteristics:

  • pressure balanced, dynamic 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:
in accordance with DIN norm up to 100 mm, above that subject to enquiry
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