John Crane

What John Crane does

John Crane is a global industrial engineering company specializing in mission-critical rotating equipment solutions, including mechanical seals, dry gas seals, filtration systems, power transmission couplings, and bearing isolators. Founded in 1917 and headquartered in Slough, UK, with operational headquarters in Morton Grove, Illinois, the company operates as a subsidiary of Smiths Group plc, the FTSE 100-listed industrial technology conglomerate. John Crane serves operators and OEMs across oil and gas (upstream, midstream, downstream), chemical processing, pharmaceutical, power generation, mining, and food and beverage industries, with deep penetration in energy and process applications where unplanned downtime carries severe economic and safety consequences.

The product portfolio is anchored by proprietary dry gas seal technology — most notably the Type 28 platform introduced in 1976 and approaching its 50th anniversary in 2026 — and by advanced sealing materials brought in-house through the 2019 acquisition of Advanced Diamond Technologies. The John Crane Sense platform extends into remote condition monitoring and predictive maintenance for turbomachinery, including the John Crane Sense Turbo variant. Distribution is supported by 200+ service centers across 50+ countries, enabling field service, repair, and aftermarket support for a global installed base.

The business model combines original equipment sales with multi-year service contracts and aftermarket parts; recent evidence includes 5-year dry gas seal repair agreements with KPO and SK Advanced, multi-year global maintenance frameworks with petrochemical operators, and components supplied into NASA's Artemis II program. Pricing is positioned at the high-reliability end of industrial process equipment, where customers value uptime, certification compliance (API 682/692, NSF-61), and global service reach over price. Energy transition positioning includes partnerships with Hydrogen Europe, the University of Sheffield's Henry Royce Institute, Franco Tosi Meccanica, and NatureWorks, alongside a corporate net-zero target for 2050 and a stated track record of more than 100 million tonnes of CO2 avoided through seal efficiency gains.

Name

John Crane

Legal name

John Crane UK Limited

Website

https://johncrane.com

Company type

Private

Founded year

1917

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

John Crane is a global industrial engineering subsidiary of Smiths Group that designs, manufactures, and services mechanical seals, dry gas seals, filtration, and power transmission products for oil and gas, chemical, power, pharmaceutical, and process industry operators worldwide.

Ownership category

akta.pro rank

Product category

Mechanical Seals and Flow Control

NAICS

Oil and Gas Field Machinery and Equipment Manufacturing (333132), Pump and Compressor Manufacturing (33391), Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing (333612), All Other General Purpose Machinery Manufacturing (33399)

SIC

Gaskets, Packg & Sealg Devices & Rubber & Plastics Hose (3050), Oil & Gas Field Machinery & Equipment (3533), General Industrial Machinery & Equipment (3560)

akta.pro primary industry

Seals, Valves & Auxiliary Components (for Pumps/Compressors) (IMAHANAH)

akta.pro secondary industries

Seals, Gaskets & Fluid Connectors (O-rings, packings, rotary seals, quick couplers) (IMAHAGAI), Aerospace Seals, Gaskets, O-Rings & Elastomeric Components (IMABANAF)

Keywords

• Mechanical seals
• Dry gas seals
• Seal support systems
• Power transmission couplings
• Industrial filtration systems

Headquarters

HQ city

Morton Grove

HQ country

United States

HQ region

North America

Offices16 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Supply Chain, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Mechanical Seals and Components: Sale of mechanical seals including compressor seals, pump seals, vessel and agitator seals, and associated components. Products are sold directly to industrial operators with long sales cycles and high customer lifetime value through service contracts.
2. Seal Support Systems: API-compliant support systems including gas seal support systems and pump seal support systems that maximize equipment performance and reliability.
3. Performance Plus Service Framework: Modular service framework combining data-driven monitoring, expert consultancy, and training. Includes seal reliability management, asset condition management, maintenance and repairs, upgrades and retrofits, and training services.
4. Power Transmission Couplings: Disc couplings, elastomeric couplings, rigid couplings, and diaphragm couplings for rotating equipment across industries.
5. Filtration Solutions: Gas, liquid, and polymer filtration systems including filter systems, replacement filter elements, and sieving/milling/grinding equipment.
6. Dry Gas Seal Repair Services: Major service contracts for dry gas seal repair and refurbishment, including 5-year major dry gas seal repair contract from KPO in 2024.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels7 records

Core offering

John Crane designs, manufactures, and services mechanical seals (including dry gas seals, pump seals, and vessel/agitator seals), API-compliant seal support systems, seal face technologies, power transmission couplings, magnetic bearing isolators, industrial filtration systems, and compression packing for rotating equipment in energy and process industries. The company complements this hardware portfolio with the Performance Plus modular service framework and John Crane Sense remote condition-monitoring platform delivered through 200+ service centers in 50+ countries.

Product overview

John Crane offers a comprehensive portfolio of flow control solutions organized around mechanical seals and support systems as the core offering. The product lineup includes: (1) Mechanical Seals - the industry's widest range covering compressor seals (dry gas seals including Type 28 series and Aura products; separation seals including Type 93AX), pump seals (elastomer bellows, metal bellows, non-contacting, o-ring pusher, PTFE bellows, PTFE wedge, slurry seals, split seals, standard cartridge), and vessel/mixer seals; (2) Seal Support Systems - API 692-compliant gas seal support systems and pump seal support systems including Gas Conditioning Units, Safeunit, Smartflow, and various control systems; (3) Seal Face Technologies - diamond seal face technology and upstream pumping solutions; (4) Power Transmission Couplings - Metastream disc couplings, Powerstream elastomeric couplings, diaphragm couplings (MHS, MOD, ZMH series), and high-performance H-series turbomachinery couplings; (5) Bearing Isolators - Isomag magnetic face technology products; (6) Filtration - melt filters, process gas filtration, fuel gas filtration, and replacement filter elements; (7) Packing - compression and injectable packing materials. Services include Performance Plus™ modular service framework, John Crane Sense® remote monitoring, asset condition management, reliability engineering, maintenance and repairs, upgrades and retrofits, and training. The portfolio serves energy and process industries including oil and gas, chemical, pharmaceutical, power generation, mining and minerals, food and beverage, pulp and paper, and water treatment.

Differentiator

Problem solved

Functional benefit

Brands

• Performance Plus: Modular service framework designed to optimise the performance of plant's rotating equipment and other assets.
• John Crane Sense
• Isomag
• Metastream
• Powerstream

Products and services

• Mechanical Seals The industry's widest range of mechanical seals for rotating equipment, including compressor seals (dry gas seals, separation seals), pump seals (elastomer bellows, metal bellows, non-contacting, o-ring pusher, PTFE bellows, PTFE wedge, slurry seals, split seals, standard cartridge), and vessel/mixer/agitator seals. Used by industrial operators in oil and gas, chemical, pharmaceutical, power, mining, and other process industries to prevent leakage between rotating shafts and stationary parts.
• Dry Gas Seals Non-contacting gas seals for centrifugal compressors that eliminate the need for oil lubrication, reducing emissions and improving reliability. The family includes the Type 28 series (Type 28AT, Type 28XP, Type 28EXP, Type 28ST, Type 28VL), Aura, and Aura 120NS models, serving oil and gas, LNG, refining, petrochemical, and carbon capture applications.
• Seal Support Systems API 682- and API 692-compliant support systems for mechanical seals, including gas seal support systems (Gas Conditioning Units, Safeunit, Smartflow) and pump seal support systems. These systems promote seal reliability and overall energy efficiency and are customized to meet specific seal specifications for safe, cost-effective operations in oil and gas, chemical, and power applications.
• Seal Face Technologies A suite of seal face technologies designed to overcome rigorous sealing challenges, including diamond seal face technology and upstream pumping solutions. Features advanced micromachined patterns to improve seal face lubrication, wear resistance, and seal life in demanding applications such as slurry pumps and abrasive process service.
• Power Transmission Couplings Flexible couplings for rotating equipment, including disc couplings (Metastream L Series, TSE, TSR/TLR, TDC/TSC/TLC, TSKL/TLKL, TDK/TSK/TLK), elastomeric couplings (Powerstream A Series with limitless shelf-life inserts), rigid couplings (Metastream C Series), diaphragm couplings (MHS, MOD, ZMH Series), and high-performance turbomachinery couplings (H-C, H-F, H-L, H-M, H-R Series). Delivers safer power transfer and minimized downtime across industries.
• Bearing Isolators Isomag advanced magnetic face technology bearing isolators that protect rotating equipment from contamination. The product family includes Magnum-D V8, Magnum-P V7, and Magnum-P V6S models, used across process industries to extend bearing life and reduce maintenance.
• Filtration Systems Quality, scalable filtration solutions for sustainable operations, including melt filters, inline filters, process gas filtration, high capacity filters, fully automatic filter systems, backflush filters, filter skids, MPF systems, replacement filter elements, sieving/milling/grinding equipment, liquid fuel water separation, fuel gas filtration, and liquid filtration. Includes the Indufil brand of filtration systems and replacement filter elements.
• Mechanical Packing A wide selection of compression packing, automatic packing, floating packing, and injectable packing materials, including John Crane Mechanical Packing and Crane-Foil, designed to minimize pump leakage in industrial applications.
• John Crane Performance Plus™ A modular service framework designed to optimize the performance of plant rotating equipment and other assets, supporting customers across the plant lifecycle. Combines asset condition management, maintenance and repairs, reliability engineering, upgrades and retrofits, seal reliability management, training, and data-driven monitoring through John Crane Sense Turbo. Targets industrial operators in oil and gas, chemical, power, mining, and process industries.
• John Crane Sense® Remote Monitoring A digital remote monitoring solution that provides near real-time data and analytics to monitor asset health and performance across customer sites. Includes Sense Turbo for turbo compressor condition monitoring and Sense Monitor for remote vibration monitoring, enabling predictive maintenance strategies for rotating equipment operators.
• Type 28XP Dry Gas Seal An advanced dry gas seal for centrifugal compressors with enhanced pressure capabilities and improved performance for gas compression applications, including CO2 compression for carbon capture and storage.
• Type 93AX Coaxial Separation Seal A coaxial separation seal designed for compressor protection that enables up to 80% reduction in nitrogen consumption, improving efficiency and sustainability in turbomachinery applications such as gas processing and compression.
• Type 8628VL Mechanical Seal A multiphase lubricating pipeline seal designed for ethane and ethylene pipeline applications, featuring advanced design for handling phase changes in fluids caused by temperature and pressure fluctuations. Targeted at high-pressure pipeline operators.

Quantifiable outcome

• 278,000 tonnes CO2 reduction per year through wet-to-dry gas seal retrofits
• +6 more outcomes

Named customers12 records

Segments11 records

Ideal customer profiles6 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Twelve partnerships are on record, tiered flagship, core and minor.

• NASAflagshipStrategic or Co-development Partner · 5 February 2026John Crane supplies specialized filtration sieves for NASA's Artemis II lunar mission, scheduled to launch no earlier than February 2026. The filtration sieves are used in the spacecraft's Propellant Management Devices and are engineered to withstand extreme vibration, pressure, and temperature variations during launch and space travel.
• UK Carbon Capture and Storage ProjectflagshipStrategic or Co-development Partner · 1 September 2025John Crane supplies six Type 28XP Dry Gas Seals for centrifugal compressors at a new CO2 compression facility in North Wales, supporting one of the UK's most significant carbon capture and storage initiatives.
• Franco Tosi MeccanicacoreStrategic or Co-development Partner · 1 January 2025Partnership for supercritical CO2 pilot plant development. John Crane provides sealing solutions for advanced supercritical CO2 applications supporting carbon capture and energy recovery.
• GemZA (Gemza Mutek Muhendislik)minorChannel Partner/ Reseller/ Distributor · 1 January 2025Partnership with Turkish company GemZA (Gemza Mutek Muhendislik) to strengthen support for customers in Turkey.
• MS PromcomminorChannel Partner/ Reseller/ Distributor · 1 January 2025Partnership with MS Promcom to strengthen support for customers in Romania.
• University of SheffieldcoreStrategic or Co-development Partner · 1 February 2024John Crane and the University of Sheffield partnership to drive clean energy innovation. The collaboration focuses on research and development in areas supporting the energy transition, including hydrogen and carbon capture technologies.
• X-NoorminorOthers · 1 January 2024X-Noor will supply John Crane Middle East FZE with renewable energy for the next 10 years, supporting sustainability objectives.
• Seven Seas Petroleum LLCcoreChannel Partner/ Reseller/ Distributor · 1 January 2024Third expansion in Oman announced with Seven Seas Petroleum LLC. The partnership strengthens John Crane's presence and support capabilities in the Middle East market.
• NatureWorkscoreTechnology or Integration · 1 January 2022John Crane's polymer melt filtration was selected for NatureWorks' new PLA biopolymer production plant. The partnership supports sustainable bioplastics production through advanced filtration technology.
• Hydrogen EuropecoreStrategic or Co-development Partner · 1 January 2022John Crane joined Hydrogen Europe to support the development of hydrogen technologies and contribute to the hydrogen economy through sealing solutions for hydrogen applications.
• Aiming for Zero Methane Emissions InitiativecoreStrategic or Co-development Partner · 1 January 2022John Crane joined the Aiming for Zero Methane Emissions Initiative to support industry efforts to eliminate methane emissions through advanced sealing technology.
• Smiths Group plccoreOthersJohn Crane is a business of Smiths Group plc, a global engineering company. Smiths Group has been pioneering progress for over 170 years. John Crane operates as a division under the parent company's portfolio.

Scale indicators12 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• Flowserve Corporation: Flowserve is a direct competitor in pumps, valves, seals, and rotating equipment for the oil & gas, chemical, power, and water industries. Both companies compete head-to-head in mechanical seals, seal support systems, and aftermarket service for mission-critical industrial operators.
• AESSEAL: AESSEAL is one of the largest direct competitors to John Crane in mechanical seals, offering pump and compressor seals with strong global service coverage. The two companies compete intensely on dry gas seals, cartridge seals, and aftermarket service contracts.
• EagleBurgmann: EagleBurgmann (a Freudenberg Group company) is a global leader in mechanical seals and packing, competing directly with John Crane across compressor seals, pump seals, and sealing systems for the same industrial end markets.

Broad incumbents

• Sulzer: Sulzer is a broad industrial flow equipment incumbent offering pumps, rotating equipment, and sealing-related services. It competes with John Crane in rotating equipment service, seal support, and aftermarket offerings for oil & gas, power, and chemical customers.
• ITT Inc. ITT Inc. (including its Goulds Pumps, Bornemann, and Richter brands) competes in industrial pumps, valves, and engineered solutions serving chemical, oil & gas, and mining, overlapping with John Crane in rotating equipment end markets.
• Velan Inc. Velan is a manufacturer of industrial valves and severe service flow control products serving oil & gas, power, and chemical industries. While more valve-focused, it overlaps with John Crane in supplying engineered flow control solutions to the same mission-critical operator base.
• Parker Hannifin: Parker Hannifin's Motion & Control and Engineered Materials groups offer sealing solutions, filtration, and fluid power products that compete with John Crane in industrial sealing, filtration, and couplings across multiple end markets.
• Garlock (EnPro Industries): Garlock, part of EnPro Industries, manufactures gaskets, packing, and sealing products for industrial applications, competing with John Crane's packing and sealing product lines particularly in chemical, pulp & paper, and general industrial customers.

Regional players

• Klinger Holding: Klinger is an Austrian-headquartered manufacturer of gaskets, sealing products, and fluid control equipment primarily serving European process industries. It competes with John Crane in static sealing, gaskets, and some fluid handling applications.

Others

• Smiths Group plc: Smiths Group plc is John Crane's parent company and a diversified industrial engineering group. As the corporate parent, it provides capital and strategic oversight and is the relevant reference entity for understanding ownership structure and group-level strategy.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCduEv5v6Jd7JOduwbXspxzA
• LinkedInlinkedin.com/company/john-crane
• Xx.com/johncraneinc

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Subsidiaries3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A3 records

Investments2 records

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about John Crane