CHETRA® Products

We supply you with what you need. Reliable and high quality sealsfor over 40 years.
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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 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 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 881

Mechanical Seal

Pump, double mechanical seal for challenging applications
More designs:
– 881S
– 881A according to API 682
– 881D differential plunger, double balanced
– 881DHD water injection pump up to 150 bar
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 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 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 351

Mechanical Seal

Solid mechanical seal stationary, solid seal rings
Designs:
– 351F for compressors (Max. pressure 25bar)
– 351FHD for pumps
All sizes are available in inch too
It is not allowed to use all max. parameters at the same time!

Type 252

Mechanical Seal

Single mechanical seal, stationary design, especially for high viscosity, especially also in sugar applications (65-75% sugar)
All sizes are available in inch too,
it is not allowed to use all max. parameters at the same time.

Type 209DC

Mechanical Seal

Single acting, Cartridge mechanical seal, multiple springs (protected). Universally applicable; especially suitable for packing conversion.
All sizes are available in inch too
It is not allowed to use all max. parameters at the same time!

Type 208N/210N

Mechanical Seal

Single seal, stationary design up to ?100mm, bigger ? out of norm, independent of direction of rotation, multiple springs.
All sizes are available in inch too
It is not allowed to use all max. parameters at the same time!

Type 201

Mechanical Seal

Heavy mechanical seal, balanced, stationary style as cartridge seal for challenging applications
Designs:
– 201S sterile design / agitators
– 201A Pipeline pump mechanical seals (multipoint-injection)(Max. pressure 100bar)
– 201AHD Pipeline Heavy Duty (Max. pressure 150bar)
All sizes are available in inch too
It is not allowed to use all max. parameters at the same time!