JOHN CRANE GENERAL PURPOSE MECHANICAL SEALS

Here we primarily classify mechanical seals for water and other lighter applications where the media are not aggressive or hazardous to the environment, and where the operating parameters (pressure and temperature) are not particularly high.

These include T109, then T502, a seal with rubber bellows of a more robust design for higher pressures, T58U/T58B a seal that can be unbalanced or balanced, etc.
All these seals comply with the DIN 24960 (EN 12756) standard.

https://www.johncrane.com/en/products/mechanical-seals/pump-seals/elastomer-bellow-seals

MECHANICAL SEALS – REPLACEMENT FOR PACKING

Among all mechanical seal manufacturers, John Crane is the only one that has developed and produced an economical and simple T4600 series cartridge seal that can be used for most standard industrial applications. Already widely proven worldwide, as well as on our local market, this seal is an ideal solution if you want to replace packing with a more modern and reliable solution that is easy to install and maintain.

https://www.johncrane.com/en/products/mechanical-seals/pump-seals/o-ring-pusher/type-4610

MECHANICAL SEALS FOR COMPRESSORS

https://www.johncrane.com/en/products/mechanical-seals/compressor-seals

DRY GAS SEALS

represent the most efficient sealing solutions for the majority of compressors, steam turbines, or other equipment intended for gas service. Dry gas seals, via laser-engraved grooves (Laser Groove Technology), provide a thin gas film between the sealing faces, generating less heat on them and reducing their wear. For different applications, there are different families of these seals, such as: T28, T285, etc.

Example: type 2800XP

https://www.johncrane.com/en/products/mechanical-seals/pump-seals/non-contacting/type-2800xp

MECHANICAL SEALS FOR MIXERS / AGITATORS

https://www.johncrane.com/en/products/mechanical-seals/vessel-mixer-and-agitator-seals

TYPE A: SINGLE SEAL (Example: TYPE 1648)

https://www.johncrane.com/en/products/mechanical-seals/pump-seals/o-ring-pusher/type-1648

TYPE B: UNPRESSURIZED DUAL SEAL (TANDEM) – Example TYPE 5620

Example: 5620

https://www.johncrane.com/en/products/mechanical-seals/pump-seals/o-ring-pusher/type-5620-5620p-5620vp

TYPE C: PRESSURIZED DUAL SEAL (DOUBLE SEAL) – Example TYPE 3648

Example: type 3648

https://www.johncrane.com/en/products/mechanical-seals/pump-seals/o-ring-pusher/type-3648