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 968

Mechanical Seal
Standard mechanical seal, balanced, single acting, short design, independent of direction of rotation, Sinus spring outside of media
Designs:
– 968S
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 958

Mechanical Seal
Standard cartridge mechanical seal, balanced, single acting, short designed, independent of direction of rotation, sinus spring outside of media
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 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 875

Mechanical Seal
High-temperature bellows – double/ tandem mechanical seal for hot media, with conveying thread, self-adjusting mating ring
Further versions:
– 875A
– 875AS with double-barrel conveying thread
Max. pressure inside: 10bar
Sizes also available in inch sizes
Not all max. values may be used at the same time!

Type 809

Mechanical Seal
Cartridge mechanical seal, double balanced, independent of direction of rotation
Designs:
– 809DC standard cartridge mechanical seal
– 809S (special designs)
All sizes are available in inch too
It is not allowed to use all max. parameters at the same time!

Type 807

Mechanical Seal
High quality, standard pump double cartridge mechanical seal, solid components, self aligning, stationary
Designs:
– 807S
– 807AS according to API 682 – MOL pumps, TA air applications
All sizes are available in inch too
It is not allowed to use all max. parameters at the same time!

Type 770

Mechanical Seal
Double-acting pump-metal bellows-cartridge mechanical seal in high-temperature design and tandem arrangement, especially for heat transfer oils (without forced cooling)
Further designs:
– 770S (cartridge/single GLRD)
– 711 (cartridge tandem – hybrid)
Sizes also available in inch sizes
Not all max. values may be used simultaneously!

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!