Split Seals | Pump Seals | John Crane

Split Seals

If your facility utilizes large pumps and rotating equipment and the reliability and efficiency of your plant, performance are top of mind, split seals are the answer. John Crane split seals offer ease of installation, reduction of downtime and an increase in MTBR. 

Split Seals Products

Showing 1–8 of 8 products

Type 3740

Advanced Design, Wet-running Cartridge O-ring Split Seal

IMG1628

The Type 3740 mechanical seal is a family of split seals using the latest modular split seal technology from John Crane that...

Type 3740D

Dry Running Cartridge Split Seal

Type 3740D Split Seals

The Type 3740D dry-running split seal is a mechanical seal designed for the large shaft run-out and harsh operating conditions commonly associated with top-entry vessel…

Type 3740XL

Extra Large Wet Running Cartridge Split Seal

Type 3740XL Split Seals

The Type 3740XL wet-running split seal is the extra large version of John Crane's successful Type 3740 split seal...

Type 75FS

Dry-running Fully Split Mixer Seal

75fs lg

The Type 75FS dry- or wet-running fully split mechanical seal is designed specifically to eliminate process contamination and significantly reduce...

Type 37FS

Heavy-duty Split Elastomer Bellows Seal for Agitators, Mixers and Pumps

37FS lg

The Type 37FS fully split mechanical seal helps significantly reduce maintenance on larger, difficult-to-seal equipment. It is recommended for use on...

Type 37FSB

Heavy-duty Balanced Split Elastomer Bellows Seal for Agitators, Mixers and Pumps

The Type 37FSB fully split mechanical seal helps significantly reduce maintenance on larger, difficult-to-seal equipment. It is recommended for use on...

Type 73

Inflatable Backup Shaft Seal to Accompany Split Seal

73 lg

Our inflatable backup seal is primarily used to hold process fluids, without leakage, while repairs are made to the primary...

Type 2800E

Non-contacting, Gas-lubricated Seals for Small-bore Rotating Equipment

2800E lg

The rotating mating ring features micromachined spiral grooves that compress an inert barrier gas and create a lifting force on...

Need more help?

Scroll to top