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.

CS 21

Cartridge mounted seals, single-acting mechanical seals specially for very dirty fluids/media

Characteristics:

pressure balanced, stationary construction type
externally-flushed and self-flushed depending on requirements
multiple spring-loaded
Spring outside of pumped medium
independant 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

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

Characteristics:

double pressure balanced, stationary construction type
quench mode or pressurised
multiple spring-loaded
Spring outside of pumped medium
independant 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

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

Characteristics:

pressure balanced, dynamic construction type
externally-flushed and self-flushed depending on requirements
multiple spring-loaded
Spring outside of pumped medium
independant 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