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Gas seal - List of Manufacturers, Suppliers, Companies and Products

Gas seal Product List

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Gas Seal "AURA"

Gas Seal "AURA"

Enhanced rotor design! A reliable design with proven results in many fields.

"AURA" is a gas seal that uses polymer products to reduce the total costs of operation and maintenance. With an enhanced rotor design, it extends the intervals between regular maintenance, allowing customers to reduce their spare inventory by utilizing the optional spare parts retention contract. It ensures reliable operation at temperatures from -50°C to 200°C (-58°F to 392°F) and pressures up to 220 bar (g) (3190 psi). 【Features】 ■ Rotation direction: unidirectional, bidirectional ■ Tandem structure ■ Proven design with a track record in many applications ■ Utilizes polymer sealing devices *For more details, please refer to the PDF document or feel free to contact us.

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Turbo Compressor Dry Gas Seal 'TYPE 28EXP'

Turbo Compressor Dry Gas Seal 'TYPE 28EXP'

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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Non-contact gas seal for turbo compressors 'TYPE 28XP'

Non-contact gas seal for turbo compressors 'TYPE 28XP'

Operates over a wider temperature range! Non-contact gas seal capable of single rotation and dual rotation.

The "TYPE 28XP" is a seal designed based on the "Type28AT" design, with improved chemical resistance, suitable for medium to high pressure applications. It can operate over a wider temperature range and is suitable for applications that require large diameters, low rotational speeds, and coast-down conditions. During operation, the rotating ring and stationary ring maintain a gap of approximately 5 to 12 microns to eliminate friction. Single, double, and tandem arrangements are available. 【Features】 ■ Single, double, and tandem structures ■ Reliable design backed by field performance ■ Suitable for general turbo compressor applications ■ During operation, the rotating ring and stationary ring maintain a gap of approximately 5 to 12 microns *For more details, please refer to the PDF document or feel free to contact us.

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Steam Turbine Dry Gas Seal 'TYPE 28ST'

Steam Turbine Dry Gas Seal 'TYPE 28ST'

No support equipment needed! The standard design is compatible with most single-stage turbines.

The dry gas seal "TYPE 28ST" that we handle significantly reduces steam leakage by about two orders of magnitude compared to conventional segment carbon rings and labyrinth seals, which combine proven rotary groove technology with high-temperature secondary seals. This steam-lubricated end-face cartridge seal automatically responds to sudden changes in operating conditions to maintain a safe and reliable face gap. In addition to the groove portion of the seal known as the "seal dam," a specially designed groove directs steam radially inward, ensuring a stable seal face gap of 2.5 to 5.1 microns. 【Features】 ■ Reduction of steam contamination by bearing oil ■ Standard design suitable for most single-stage turbines ■ Reduction of noise and hazards associated with steam leakage ■ Compatible with both unidirectional and bidirectional rotation *For more details, please refer to the PDF document or feel free to contact us.

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Gas seal system

Gas seal system

Temperature conditions, pressure conditions, and standard materials are custom designed! Products for separation seals.

Introducing the "Gas Seal System" handled by John Crane. This product is designed for non-contact gas seals and separation seals for turbo compressors. By comprehensively implementing our gas seal support system, monitoring, and control systems, expertise in the design, manufacturing, and installation of gas seals is enhanced. 【Features】 ■ Primary seal gas supply ■ Primary seal leak ■ Secondary seal buffer gas supply ■ Secondary seal leak ■ Separation gas supply ■ Temperature conditions, pressure conditions, standard materials: custom design *For more details, please refer to the PDF document or feel free to contact us.

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Pump Dry Gas Seal "Type-2800 Series"

Pump Dry Gas Seal "Type-2800 Series"

Reduce consumption power! Proven application in diverse uses, adaptable to a wide range of operating conditions.

The "Type-2800 Series" is a dry gas seal for pumps with a back-pressure resistant structure. The double seal structure prevents leakage of process fluids to the atmosphere, and the cartridge design allows for easy installation and removal. We also offer seals for general applications, such as the "2800E Series," and high-load seals like the "2800X Series." 【Features】 ■ Double seal structure ■ Zero emissions ■ No contamination of process fluids ■ No wear on sealing surfaces, resulting in a longer lifespan ■ No heat generation on sliding surfaces ■ Reduction in power consumption *For more details, please refer to the PDF document or feel free to contact us.

  • Sealing

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Dry Gas Seal "DGS"

Dry Gas Seal "DGS"

A unique tapered gas groove on a wide surface.

The DGS series gas-lubricated mechanical seals have been specifically developed for turbo compressors. They feature a wide sealing surface and a U-shaped or V-shaped groove on the rotating ring. By adopting SiC sealing materials coated with a DLC film (diamond-like carbon), they demonstrate excellent operating characteristics even in emergencies. Not only does this enhance the efficiency of the compressor, but it also results in low operating costs, reduced power consumption, high safety during use, long seal life, minimal gas leakage, and no contamination of lubricating oil inside the machine. The DGS series offers various technical and economic advantages.

  • Sealing
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Dry gas seal

Dry gas seal

Top-class share both domestically and internationally! A gas seal with proven results and trust.

Our "Dry Gas Seal" provides appropriate solutions tailored to your needs, achieving the reliability, safety, and performance you require. We offer cutting-edge technology and design to deliver the solutions needed by the global energy industry and turbo machinery users. Please feel free to contact us with your inquiries. 【Features】 ■ A groundbreaking seal that breaks conventional wisdom, brought to the world by seal pioneer John Crane. ■ Among the top in domestic and international market share. A gas seal with proven performance and trust. ■ Widely adopted not only for compressors but also for pumps and agitators. *For more details, please download the PDF or contact us.

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Dry Gas Seal for Turbo Compressor 'TYPE 28AT'

Dry Gas Seal for Turbo Compressor 'TYPE 28AT'

Eliminate friction! Single, double, and tandem arrangements are available.

The "TYPE 28AT" is an original gas seal with over 30 years of history. It has a proven track record installed in thousands of compressors worldwide and has received support from many customers. During operation, the rotating ring and stationary ring maintain a gap of approximately 5 to 12 microns, eliminating friction. Single, double, and tandem arrangements are available. 【Features】 ■ Cartridge design ■ Rotation direction: unidirectional, bidirectional ■ Single, double, tandem structure ■ Reliable design with a proven track record in the field *For more details, please refer to the PDF document or feel free to contact us.

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Vaporized Liquid Dry Gas Seal 'TYPE 28VL'

Vaporized Liquid Dry Gas Seal 'TYPE 28VL'

High reliability! Utilizing the controlled rotational energy of the pump shaft.

The "TYPE 28VL" is a dry gas seal that utilizes spiral groove technology with a proven track record. It utilizes the controlled rotational energy of the pump shaft to vaporize the process fluid, creating a stable gas film that lubricates the sealing surface. Typical issues such as dry running wear, vapor lock in the seal chamber, and "face pumping" are eliminated by the non-contact technology of this product. 【Features】 ■ Long lifespan ■ High reliability ■ Reduced power consumption ■ Zero process contamination ■ Reduced emissions *For more details, please refer to the PDF materials or feel free to contact us.

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Narrow Section Dry Gas Seal "AURA 120NS"

Narrow Section Dry Gas Seal "AURA 120NS"

Reduce upgrade costs and shorten replacement time! Capable of providing static pressure of up to 120 bar.

The "AURA 120NS" is a dry gas seal designed to be installed on existing equipment. It eliminates the need for lubricating fluids on contact surfaces, thereby removing the necessity to address harmful emissions contained in lubricating fluids such as oil. This product applies decades of experience that our company has accumulated. It reduces upgrade costs and shortens the time required for replacement. 【Features】 ■ Silicon carbide rotating and stationary rings ■ Secondary polymer seal with spring ■ Design applicable to narrower cavities of smaller compressor seals ■ Reduces radial cross-sectional area by 42% and axial length by 25% *For more details, please refer to the PDF materials or feel free to contact us.

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