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.
Retrofitting older compressors with up-to-date dry gas sealing technology can improve their operational performance, including reliability, longevity and productivity. It can also reduce a plant’s environmental footprint while significantly curbing emissions. However, it takes the right approach - and the right partner – to maximize the benefits of your retrofit. Download our quick guide to discover nine steps for a successful retrofit, from identifying the right retrofit candidates to navigating the challenges of older compressors.
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Discover the economic and environmental benefits of retrofitting with John Crane’s dry gas seals using our Lifecycle Cost Calculator.
Dry Gas Seals Products
Showing 1–7 of 7 products
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...
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 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...
Aura® 220
The Next Generation of John Crane Gas Seals
Aura 220 reduces operational and transactional costs using a patented polymeric sealing device.
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…