Elastomer Bellow Seals

Elastomer bellow mechanical seals are designed to serve the high-volume machinery market. John Crane offers a range of seals for mission-critical applications, designed to solve the application-specific challenges of many industries—oil & gas industries, using gas seal technology on our innovative pump gas seals to eliminate fugitive emissions, dealing with slurry in the mining and minerals processing industries, to the difficulties associated with maintenance on large pumps and rotating equipment. Our products range from simple low-cost component seals to higher-duty seals targeting the most pump types and applications.

Elastomer Bellow Seals Products

Showing 1–9 of 9 products

Type 1

Full Convolution Industrial-duty Elastomer Bellows Shaft Seal

Type 1 Photo

With its proven track record of exceptional performance, the Type 1 elastomer bellows seal is widely recognized as the industry's...

Type 2

Multi-purpose Non-pusher Elastomer Bellows Seal


The Type 2 mechanical seal is available in single, double and balanced arrangements. An outside-mounted spring results in a compact working height...

Type 21

General-duty Elastomer Bellows Shaft Seal

21 lg

Our general-purpose mechanical seal has become the industry standard for OEM designers. Automatic adjustment compensates for abnormal shaft-end play, run out,...

Type 2100

Fully Unitized, Heavy-duty Elastomer Bellows Shaft Seal

Type 2100 Photo

Designed for demanding applications, the Type 2100 mechanical seal is a compact, unitized, single-spring elastomer bellows mechanical seal that offers maximum durability...

Type 2106

Fully Unitized Elastomer Bellows Shaft Seal

2106 sm

The Type 2106 mechanical seal is a compact, unitized, single-spring elastomer bellows seal that not only offers durability and performance but...

Type 4111

Single-use Elastomer Bellows Cartridge Seal

T4111 Single-use Elastomer Bellows Cartridge Seal

Suitable for DIN and ANSI pumps using aqueous solutions, engineered to simplify installation, reduce maintenance and save on overall costs.

Type 502

Unitized Elastomer Bellows Seal

502 lg

The Type 502 mechanical seal is one of the best-performing elastomeric bellows seals available for general service, excellent in a wide...

Type 5611/5611Q/5611L

Universal Cartridge™ Seal Family — Single Cartridge Elastomer Bellows Seal

Type 5611 elastomer bellow pump seal

The Type 5611 mechanical seal is the first truly universal cartridge seal — and its modular family concept will change your approach to sealing. Because…

Type 6

Low-pressure Elastomer Bellows Unitized Seal Head for Small-diameter Pumps

6 lg

This compact, unitized, single-spring, elastomer bellow mechanical seal is designed for use in small centrifugal water pumps, deep- and...

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