Our Products

The configuration you require is not yet part of our product portfolio?
We would be pleased to design a mechanical seal tailored to your requirements.
Configuration

Type 990

Mechanical Seal
Single mechanical seal, balanced, single acting, short design, independent of direction of rotation, multiple springs outside of media
Designs:
– 990S
– 990FS
– 990SL
ATEX on request (depends on parameters)
All sizes are available in inch too
It is not allowed to use all max. parameters at the same time!

Type 900/990

Mechanical Seal
Standard mechanical seal, balanced, single acting, independent of direction of rotation, multiple springs arranged stationary an outside of the ranging product
Designs:
– 900S sterile
– 990 with solid seal rings
All sizes are available in inch too
It is not allowed to use all max. parameters at the same time!

Type 877

Mechanical Seal
Double acting, stationary cartridge, short designed mechanical seal
executions:
– 877X for chemical norm pumps (TA-Air conform)
– 877X Aseptik sterile, double balanced
– 877XC according to 24960C (Wave: 30mm – 60mm)
– 877GS gas mechanical seal
– 877S screw pumps
All sizes are available in inch too
It is not allowed to use all max. parameters at the same time!

Type 870F

Mechanical Seal
Double-acting cartridge mechanical seal with stationary metal bellows, for ORC plants, (turbines), biomass, municipal power plants
Sizes also available in inch sizes
Not all max. values may be claimed at the same time!

Type 700

Mechanical Seal
Pump metal bellows mechanical seal according to DIN EN 12756 of the highest quality, flexible, high tightness even in the vacuum range, very long service life. Coordinated design and materials are important prerequisites for proper operation in the upper temperature range.
Other versions:
– 270 Single-acting metal bellows seal as cartridge unit
– 700H High-temperature version up to 400°C (component GLRD)
– 700SA High-temperature version cartridge, quench according to API 682 C1
– 770/711 Tandem double mechanical seal (see special seals/pumps/heat transfer oil). 700S – Single cartridge mechanical seal (heat transfer oil)
– 790/791/792 Special versions for twin screw extruders (heat transfer oil)
– 875A Double acting high temperature version cartridge unit, according to API 682
700 – Min. temperature: -50°C; Max. temperature: 220°C
Sizes also available in inch sizes
Not all max. values may be used at the same time!

Type 577

Mechanical Seal
Short designed agitator mechanical seal, double acting
Designs:
– 577 without bearing
– 577BCL with bearing
– 577G with bellows to absorb axial travels
ATEX on request (depends on parameters)
All sizes are available in inch too
It is not allowed to use all max. parameters at the same time!

Type 521

Mechanical Seal
Sterile, agitator mechanical seal, double-acting, multiple springs.
All sizes are available in inch too
It is not allowed to use all max. parameters at the same time!

Type 541

Mechanical Seal
Agitator mechanical seal, stationary, multiple springs, especially for polymerized medium like butadiene
Designs:
– 541L (with bearing)
– 541S (sepcial designs)
– 541 S/L sterile (EHEDG-verification)
All sizes are available in inch too
It is not allowed to use all max. parameters at the same time!

Type 500

Mechanical Seal
Short design lip seal cartridge, independent of direction of rotation.
Designs:
– lip seal for pumps
ATEX on request (depends on parameters)
All sizes are available in inch too
It is not allowed to use all max. parameters at the same time!

Type 299

Mechanical Seal
Split, stationary, single acting mechanical seal; independent of direction of rotation
All sizes are available in inch too
It is not allowed to use all max. parameters at the same time!