CHETRA® Produkte

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Konfiguration

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 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 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 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 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 861

Mechanical Seal

Double acting, back to back, stationary mechanical seal, double feed screw, special heat dissipation, especially for challenging applications in refineries.
Designs:
– 861S
– 861AS
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 851

Mechanical Seal

Double Acting Cartidge mechanical seal. Typical applications: Sealing of toxic and explosive media.
Designs:
– 851B back to back
– 851BT double pressure balanced
– 851T-A
– 851T tandem version according to API 682
– 851TB tandem face to back version / API 682
Sizes also available in inch dimensions
Not all max. values may be claimed at the same time!

Type 857

Mechanical Seal

Combination hybrid double mechanical seal; media side stationary O-ring seal; atmosphere side: metal bellows for centrifugal and screw pumps, among others, for bitumen and asphalt
Further versions:
– 857S (special version)
Sizes also available in inch dimensions
Not all max. values may be claimed at the same time!