日本ジョン・クレーン List of Products and Services

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

This document includes information about mechanical seals and classifications based on mechanical seal structures. It introduces the role of shaft seals, the characteristics of gland packing, and the basic structure and definitions of mechanical seals using diagrams and tables. The content is designed to be easily referenced during consideration of implementation. [Contents] ■ What is a mechanical seal? ■ Classification based on mechanical seal structures ■ Seal arrangements *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements

This document introduces couplings and the couplings we handle at our company. It includes the "A-series" used in pumps, blowers, compressors, and industrial machinery, as well as the "C-series" used in vertical pumps and agitators. Each product's features are also described, making it easy to reference when considering implementation. 【Contents】 ■ What is a coupling? ■ Introduction to John Crane couplings ■ Proposals from John Crane *For more details, please refer to the PDF document or feel free to contact us.

• Coupling

We would like to introduce our equipment measurement service using a vibration visualization camera. The "vibration visualization camera" is an innovative technology that visualizes vibrations that cannot be seen with the naked eye, allowing analysis to be conducted at almost all points within the captured footage. Since it is filmed using a high-speed camera, there is no need to touch the equipment, enabling safe measurements. 【Features】 ■ Equipment setup takes about 30 minutes ■ Each filming session lasts about 10 minutes (filming time is 4-5 seconds) ■ 2 to 4 patterns captured, including front and side views *For more details, please refer to the PDF document or feel free to contact us.

• Other services

"Grand Packing" is a product designed and manufactured for specific services and applications. It is made entirely of asbestos-free materials, allowing it to be replaced without issues for currently used asbestos packing. Additionally, it can replace most asbestos products and often provides more reliable performance than before. [Features] ■ General service: abrasion resistance, water, oil, weak acids, alkalis, moderate pH ■ Maximum operating temperature: 500°F / 260°C → Styles: 1335, 1340 ■ Abrasion-resistant service: abrasion resistance (wet or dry), wastewater, saltwater, acids, moderate corrosion resistance ■ Maximum operating temperature: 500°F / 260°C → Styles: 1345, C1064, K1730 *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements

The "H-RE" is a coupling designed for medium to high-speed turbo machinery, focusing on low overhang moment and lightweight construction. It is manufactured from high-alloy steel with high-strength stainless steel flexible components and uses aircraft-standard fasteners. In general, it features a pilot position that maintains a very high level of reproducibility and is balanced according to standards such as API671. 【Features】 ■ Low moment arrangement ■ Easy inspection with visible flexible disks ■ Assembled hub/flex element unit ■ Covered bolts to reduce wind loss *For more details, please refer to the PDF materials or feel free to contact us.

• Coupling

The "H-FE" is a coupling that can be easily installed on integrated shaft flanges used in many large gas turbines and steam turbines. In some applications, the H-FE turbine end drive can be mounted on a reduced moment arrangement at the compressor end. Additionally, the transmission unit is easy to install and remove, allowing for quick disconnection of two pieces of equipment, and it also facilitates alignment and maintenance of the equipment. 【Features】 ■ Arrangement for large diameter shafts and integrated shaft flanges ■ Unitized assembly for balanced high reliability ■ Fully compliant with ISO10441 (API 671) - no exceptions ■ Built-in safety features with emergency backup drive *For more details, please refer to the PDF materials or feel free to contact us.

• Coupling

We would like to introduce our high-performance coplanar coupling 'H-ME' for turbo equipment that requires overload torque. By incorporating two technologies into a single coupling, we enhance operational efficiency and reliability, providing optimal load capacity for API 671 applications that require overload torque. This advanced design can withstand up to twice the rated torque due to unexpected overload conditions. 【Features】 ■ Compatible with large hub bore diameters ■ Assembled transmission unit ■ Reliable stainless steel flexible membrane design ■ Torque overload function protects the membrane and bolts ■ Low mass, low overhang moment *For more details, please refer to the PDF document or feel free to contact us.

• Coupling

The "H-CE" is a coupling that provides an overhung moment as much as possible, along with flexible components and additional bolts for shrouding. The factory-assembled hub/flex unit is designed to match the common mechanical shaft sizes of turbo compressors. Separate spacers on this product can be modified to provide the appropriate distance between the shaft end and the required torsional rigidity to suit individual applications. 【Features】 ■ No hassle after installation ■ Low load ■ Zero maintenance ■ Spacers are held by specially designed anti-splash guard rings ■ Transport bolts and gag sleeves are standard equipment *For more details, please refer to the PDF materials or feel free to contact us.

• Coupling

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.

• Other machine elements

We would like to introduce our "Gas Conditioning Unit" for gas seals. Depending on the process and operating conditions, it is possible to provide an integrated system that protects gas seals more safely by adding the Gas Conditioning Unit (GCU) module to the standard John Crane gas seal system. Each system incorporates appropriate design modules that enhance the reliability and performance of the compressor under normal and transient conditions. 【Features】 ■ Gas booster that supplies a clean gas flow from shutdown to restart ■ Knockout filter that separates liquids from the supply gas ■ Heat module that maintains the appropriate seal gas temperature ■ Control module that monitors the seal environment and conditions, activates the booster, and communicates with the Distributed Control System (DCS) *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements

"Grand Packing" is a product designed and manufactured for specific services and applications. It is made entirely of asbestos-free materials, allowing it to be replaced without issue for currently used asbestos packing. Additionally, it can replace most asbestos products and often provides more reliable performance than before. 【Features】 ■ General service: Wear-resistant, water, oil, weak acid, alkali, moderate pH ■ Maximum operating temperature: 500°F / 260°C → Styles: 1335, 1340 ■ Wear-resistant service: Wear-resistant (wet or dry), wastewater, saltwater, acid, moderate corrosion resistance ■ Maximum operating temperature: 500°F / 260°C → Styles: 1345, C1064, K1730 *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements

Amid the increasing global energy demand and the rising costs that require further reduction, securing a robust and effective asset maintenance system is being prioritized. Our "Equipment Management Service" improves maintenance processes and enhances asset efficiency. We can provide the necessary data and processes to establish businesses that face challenges such as new launches where the operation of new technologies is not yet visible, and extending the lifecycle of aging assets, while maintaining optimal production and industry compliance. 【Features】 <"Maintenance Excellence" Service> ■ Maintenance Strategy: Develop general or specific strategies based on the type and importance of maintainable equipment. ■ Parts Replacement Optimization Service: Determine suitable replacement parts for new or existing equipment to reduce plant downtime and unnecessary inventory costs. ■ Workload Leveling: Optimize manpower levels to efficiently execute both planned maintenance and unplanned corrective maintenance. *For more details, please refer to the PDF document or feel free to contact us.

• Other services

Introducing John Crane's "Reliability Improvement Program." We provide a high-level reliability support program necessary to enhance the performance of oil, gas, petrochemical, and equipment industry plants, reduce inventory, and cut operating costs. Focusing on results, our customized individual programs set measurable performance goals, assess the reliability of machinery and equipment, analyze the root causes of failures, and propose strategies for improvement. **Features** - Measure equipment performance and calculate Total Cost of Ownership (TCO) to identify opportunities for improvement and cost reduction. - Compare and evaluate asset performance against industry averages and conduct cost/benefit analysis. - Create tailored program proposals based on the results of investigations to assist our clients. - Specifically measure reliability concerning long-term goals, reduced downtime, and Total Cost of Ownership (TCO). *For more details, please refer to the PDF document or feel free to contact us.*

• Other services

Nearly 70% of mechanical seal failures in plant equipment are due to improper installation, lack of maintenance, or inappropriate procedures during startup/shutdown. John Crane's "Maintenance and Repair Services" offers inspections of critical equipment and monitoring of plant machinery, as well as services for repairing, removing, maintaining, and reinstalling design components. Even during unexpected shutdowns, our support enables rapid reactivation of equipment. Additionally, by assisting with planned maintenance work, we help optimize your processes and ensure adherence to scheduled shutdown periods. [Features] - Use various diagnostic tools to identify signs of misalignment and improper installation. - All of our equipment maintenance services can be utilized as needed, with the option to enter into a contract. - Conduct evaluations of not only individual systems but also the entire process to identify potential risks. - Reduce maintenance costs and improve overall reliability. *For more details, please refer to the PDF document or feel free to contact us.

• Calibration and repair

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.

• Other machine elements

The "TYPE 83" features a unique axial spring design that accommodates shaft runout. It is equipped with a double-segment carbon bush assembly designed to prevent bearing oil from migrating into the dry gas seal cartridge, typically applying a dual structure using inert buffer gas. When used in combination with the "Type 28" dry gas seal, it provides a sealing system that reliably separates the compressor's bearing oil from the process gas. 【Features】 ■ Low consumption of buffer gas ■ Easy-to-install cartridge design ■ Incorporates a bias flow path to prevent oil movement and reduce risks ■ Suppresses the use of buffer and the transfer of bearing oil *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements

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.

• Other machine elements

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.

• Other machine elements

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.

• Other machine elements

The "TYPE 93FR" is a non-contact design carbon bush designed to protect the dry gas seal from the intrusion of bearing oil. The segments have a special design that prevents oil intrusion. Separation gas (usually nitrogen or air) is injected between the two segmented bushes, effectively forming a pressure barrier between the bearing and the dry gas cavity. Additionally, advanced materials and design eliminate wear during normal operation, achieving a long lifespan. 【Features】 ■ Non-contact seal that achieves long lifespan, improved reliability, and low heat generation ■ Operates at low differential pressure, reducing gas consumption ■ Specially designed segments further reduce gas consumption ■ Suitable for flowing nitrogen separation gas regardless of the dew point *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements

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.

• Other machine elements

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.

• Other machine elements

"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.

• Other machine elements

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.

• Other machine elements