John Crane’s comprehensive range of dry gas mechanical 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. We 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.
Recommended for You
Dry Gas Seals Products
Showing 1–7 of 7 products
Aura®
The Next Generation of John Crane Gas Seals

Aura® reduces operational and transactional costs using a patented polymeric sealing device.
Aura® 120NS
Narrow Section Dry Gas Seal

Do you want to retrofit to the latest gas seal technology? Aura® 120NS eliminates oil lubrication and the resulting need to address methane that has become…
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...
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...
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)....
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...
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 fluid at a controlled rate…