Seals for Chemical and High Temperature Applications

Chemical processes and high temperatures place special demands on materials and seal construction. We use different forms of stainless steel and special materials in various qualities and know their specific limits of application. We recommend sealing systems with springs without contact with the pumped medium. Our seal design and construction guarantees the economical and safe operation of your plant.

CS 20

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

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:
30-340 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