Dry Gas Seals, Mechanical Seals | John Crane
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Dry Gas Seals


John Crane’s comprehensive range of dry gas seals are designed to provide you with the correct seal solution suited for your specific application, to ensure optimal reliability, safety and performance. We are committed to providing the latest technologies and designs in order to provide our turbo machinery customers within global energy industries with the solution they need. As technology and industry standards constantly evolve, so do our gas seals. In 1968 John Crane was first awarded the patent for spiral groove technology. Today, our next generation dry gas seals, Aura™, use the latest technology to reduce your operation and transaction costs. With an unrivaled access to localized technical expertise from the largest global service network in the industry, our experienced team will help you find the solution you need to help you plan for tomorrow.

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1 - 8 of 8 “Dry Gas Seals” products
Aura™

Aura™

The Next Generation of John Crane Gas Seals

Aura™ reduces operational and transactional costs…

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Type 28AT

Type 28AT

Non-contacting Gas Seal for Turbo Compressors

Type 28AT: The original gas seal, with a design pedigree stretching back over 30 years and evolving gradually, installed and...

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Type 28XP

Type 28XP

Non-contacting Gas Seal for Turbo Compressors

Type 28XP: Possibly the most popular seal in the range today, the Type 28XP builds on the 28AT design and...

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Type 28EXP

Type 28EXP

Non-contacting Gas Seal for Turbo Compressors

Type 28EXP: The product for the most challenging and hostile environments with proven and independently audited performance to 425 bar(g)....

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Type 83

Type 83

Separation Seal (Contacting Technology)

The Type 83 is a dual-segmented carbon bushing assembly designed to prevent the migration of bearing oil to the dry...

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Type 93FR

Type 93FR

Separation Seal (Non-contacting Technology)

The Type 93FR is a non-contacting carbon bushing designed to protect dry gas seals from bearing oil ingress. Segments are...

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Type 28ST

Type 28ST

Non-contacting Gas Seal for Steam Turbines

Type 28ST combines proven rotating groove technology and high-temperature secondary seals to reduce steam leakage by nearly two orders of...

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Type 28VL

Type 28VL

Non-contacting Gas Seal for Vaporizing Liquids

Utilizing proven spiral groove technology, the Type 28VL harnesses the rotational energy of the pump shaft to vaporize the process...

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