Single, double, tandem structure! A reliable design of dry gas seal with proven performance in the field.
The "TYPE 28EXP" has passed rigorous testing conditions of 425 bar (g), proving its high performance. Thanks to John Crane's "spiral groove," the seal operates without contact. During dynamic operation, a gap of approximately 5 microns is maintained between the ring/sleeve and the primary ring/face, preventing wear. Additionally, single, tandem, and double arrangements are available. 【Features】 ■ Cartridge design ■ Rotation direction: unidirectional, bidirectional ■ Seal operates without contact ■ Maintains a gap of approximately 5 microns during dynamic operation *For more details, please refer to the PDF document or feel free to contact us.
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basic information
【Parameters】 ■Temperature: / -140℃ to 315℃ (Fahrenheit: -220°F to 600°F) / Varies depending on load conditions ■Pressure: 450 bar (g) (6,500 psi [g]) (Single stage) ■Peripheral speed: 200 m/s (660 fps) ■Size: Up to 350 mm / 13.75" *For more details, please refer to the PDF document or feel free to contact us.
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Applications/Examples of results
【Recommended Applications】 ■Centrifugal Compressor *For more details, please refer to the PDF document or feel free to contact us.
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Company information
Our company was established in Japan in 1968 as a member of the John Crane Group, a leader in the mechanical seal industry. Since then, we have grown with the high trust and evaluation from our customers. We utilize the cutting-edge technology of the global John Crane Group to provide design, manufacturing, import, sales, and engineering services for various seals and related equipment. Please feel free to contact us if you have any inquiries.
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