John Crane

John Crane General Product Groups

MECHANICAL SEALS

Our range of mechanical seals is the widest available in today’s market. Combining advanced, thoroughly proven technologies with extensive industry experience has created products characterized by innovative design concepts and outstanding manufacturing quality. We offer an effective solution for virtually any application that delivers unequaled performance, reduced installation times and lower maintenance costs. The range of seals available includes high performance low emission petroleum seals, vessel and agitator seals for pharmaceutical applications, heavy-duty slurry seals and a variety of elastomer, formed and metal bellows seals suited to numerous applications.

John Crane Dry gas Mechanical Seals

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. Today, our next generation dry gas seals, Aura™, 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.

John Crane Dry gas Mechanical Seals Aura™ The Next Generation of John Crane Gas Seals	John Crane Dry gas Mechanical Seals Aura™ 120NS Narrow Section Dry Gas Seal
John Crane Dry gas Mechanical Seals Type 28AT Non-contacting Gas Seal for Turbo Compressors	John Crane Dry gas Mechanical Seals Type 28XP Non-contacting Gas Seal for Turbo Compressors
John Crane Dry gas Mechanical Seals Type 28EXP Non-contacting Gas Seal for Turbo Compressors	John Crane Dry gas Mechanical Seals Type 83 Separation Seal (Contacting Technology)
John Crane Dry gas Mechanical Seals Type 93FR Separation Seal (Non-contacting Technology)	John Crane Dry gas Mechanical Seals Type 28ST Non-contacting Gas Seal for Steam Turbines
John Crane Dry gas Mechanical Seals Type 28VL Non-contacting Gas Seal for Vaporizing Liquids

John Crane ELASTOMER BELLOW SEALS

John Crane ELASTOMER BELLOW SEALS Type 1 Full Convolution Industrial-duty Elastomer Bellows Shaft Seal	John Crane ELASTOMER BELLOW SEALS Type 2 Multi-purpose Non-pusher Elastomer Bellows Seal
John Crane ELASTOMER BELLOW SEALS Type 21 General-duty Elastomer Bellows Shaft Seal	John Crane ELASTOMER BELLOW SEALS Type 2100 Fully Unitized, Heavy-duty Elastomer Bellows Shaft Seal
John Crane ELASTOMER BELLOW SEALS Type 2106 Fully Unitized Elastomer Bellows Shaft Seal	John Crane ELASTOMER BELLOW SEALS Type 4111 Single-use Elastomer Bellows Cartridge Seal
John Crane ELASTOMER BELLOW SEALS Type 502 Unitized Elastomer Bellows Seal	John Crane ELASTOMER BELLOW SEALS Type 5611 Universal Cartridge™ Seal Family — Single Cartridge Elastomer Bellows Seal
John Crane ELASTOMER BELLOW SEALS Type 5611Q Universal Cartridge™ Seal Family — Single Cartridge Elastomer Bellows Seal with Quench	John Crane ELASTOMER BELLOW SEALS Type 6 Low-pressure Elastomer Bellows Unitized Seal Head for Small-diameter Pumps

John Crane VESSEL AND AGITATOR SEALS

John Crane VESSEL AND AGITATOR SEALS Type 32 Single Dry-running Mixer and Agitator Seal	John Crane VESSEL AND AGITATOR SEALS Type 32D Single Dry-running Mixer and Agitator Seal Suitable for Explosive Atmospheres
Type 32i Single Dry-running Mixer and Agitator Seal with Novel Noise-reduction Technology	John Crane VESSEL AND AGITATOR SEALS Type 5280 (W, D, G, GD) Modular, High-performance, Hygienic Design Agitator Seal for Steel Vessels
John Crane VESSEL AND AGITATOR SEALS Type 5281 (W, D, G, GD) Modular, High-performance, Hygienic Design Agitator Seal for Glass-lined Vessels	John Crane VESSEL AND AGITATOR SEALS Type 5282 (W, D, G, GD) Modular, High-performance, Hygienic Design Agitator Seal for Special Alloy Vessels
John Crane VESSEL AND AGITATOR SEALS Type-7700 Modular Wet or Dry Running Face-to-Face Cartridge Seal for Mixer and Agitator Applications	John Crane VESSEL AND AGITATOR SEALS Type 7828 (G, GD) Modular Gas-lubricated Cartridge Seal for Mixer and Agitator Applications
John Crane VESSEL AND AGITATOR SEALS Type 7848 (W, D) Modular Wet- or Dry-running Cartridge Seal for Mixer and Agitator Applications	John Crane VESSEL AND AGITATOR SEALS Type CK 725 (D) Mixer and Agitator Cartridge Seal to Vessel Seal Standard DIN 28138 for Steel Chemical Reaction Vessels — No Bearing Integrated
John Crane VESSEL AND AGITATOR SEALS Type CK 726 (D) Mixer and Agitator Cartridge Seal to Vessel Seal Standard DIN 28138 for Steel Chemical Reaction Vessels — with Integrated Bearing	John Crane VESSEL AND AGITATOR SEALS Type CK 728 (W, D, G, GD) High-performance Modular Mixer and Agitator Seal for Steel Chemical Reaction Vessels — Standard Solutions Comply to Vessel Seal Standard DIN 28138
John Crane VESSEL AND AGITATOR SEALS Type CK 736 (D) Mixer and Agitator Cartridge Seal to Vessel Seal Standard DIN 28138 for Glass-lined Chemical Reaction Vessel — with Integrated Bearing	John Crane VESSEL AND AGITATOR SEALS Type CK 738 (W, D, G, GD) High-performance Modular Mixer and Agitator Cartridge Seal for Glass-lined Chemical Reaction Vessels — Standard Solutions Comply to Vessel Seal Standard DIN 28138

John Crane METAL BELLOW SEALS

John Crane METAL BELLOW SEALS ECS® Metal Bellows Dry-running Secondary Emission Containment Seal	John Crane METAL BELLOW SEALS EZ-1® General-purpose Single Cartridge Metal Bellows Seal
John Crane METAL BELLOW SEALS Type 1604 Single Stationary API 682/ISO 21049 Metal Bellows Cartridge Seal Type C, Arrangement 1	John Crane METAL BELLOW SEALS Type 1604HTC Single Stationary Welded Metal Bellows API 682 Cartridge Seal Type C, Arrangement 1
John Crane METAL BELLOW SEALS Type 1670 API 682 Category II and Category III, Type B, Arrangement 1 Single Rotating Metal Bellows Cartridge Seal	John Crane METAL BELLOW SEALS Type 2609HTC/3609HTC Dependable API 682/ISO 21049 Cartridge Seals
John Crane METAL BELLOW SEALS Type 2609HTL/3609HTL Dual Unpressurized and Pressurized Rotating Bellows Cartridge Seals (API 682 Type C, Arrangement 2 and 3)	John Crane METAL BELLOW SEALS Type 2715T High-temperature Single and Dual Metal Bellows Cartridge Seal for Dean Bros. Pumps
John Crane METAL BELLOW SEALS Type 2800MB Welded Metal Bellows Gas-lubricated, Non-contacting, Dual Cartridge Seal with Elastomeric Secondary Seals	John Crane METAL BELLOW SEALS Type 3604/3604HTC/3604HTCDP API 682/ISO 21049 Type C, Arrangement 3, Stationary Metal Bellows Cartridge Seal
John Crane METAL BELLOW SEALS Type 515E Asymmetric Formed Metal Bellows Designed for General Purpose Use	John Crane METAL BELLOW SEALS Type 5615 Universal Cartridge Seal Family — Single Cartridge Metal Bellows Seal

John Crane METAL BELLOW SEALS Type 5615Q Universal Cartridge™ Seal Family — Single Cartridge Metal Bellows Seal with Quench	John Crane METAL BELLOW SEALS Type 5625/5625P Universal Cartridge Seal Family — Dual Cartridge Metal Bellows Seal
John Crane METAL BELLOW SEALS Type 5625P-1 Universal Cartridge Seal Family — API 682 Qualified Dual Cartridge Unpressurized/Pressurized Metal Bellows Seal	John Crane METAL BELLOW SEALS Type 604 High-temperature, Stationary Edge-welded Metal Bellows Seal
John Crane METAL BELLOW SEALS Type 604HTC High-temperature, Corrosion-resistant Stationary Bellows Assembly Utilizing "HTC" Technology	John Crane METAL BELLOW SEALS Type 606 High-temperature, Rotating Edge-welded Metal Bellows Seal with Drive Lugs
John Crane METAL BELLOW SEALS Type 609 High-temperature, Rotating Edge-welded Metal Bellows Seal	John Crane METAL BELLOW SEALS Type 609HTC High-temperature, Corrosion-resistant Rotating Bellows Assembly Utilizing "HTC" Technology
John Crane METAL BELLOW SEALS Type 613 Wet/Dry Running Single Metal Bellows Cartridge Seal	John Crane METAL BELLOW SEALS Type 670 Low-temperature, All-Alloy C-276 Metal Bellows Shaft Seal for Highly Corrosive Fluids
John Crane METAL BELLOW SEALS Type 675 Low-temperature Titanium Edge-welded Metal Bellows Seal	John Crane METAL BELLOW SEALS Type 676 Low-temperature, AM350 Metal Bellows Shaft Seal for Mild Corrosive Services
John Crane METAL BELLOW SEALS Type 680 Low-temperature, General Duty All-Alloy-20 Edge-welded Metal Bellows Seal	John Crane METAL BELLOW SEALS Type GL1B Formed Metal Bellows Seal for General Service

John Crane NON-CONTACTING SEALS

John Crane NON-CONTACTING SEALS Type 2800E Non-contacting, Gas-lubricated Seals for Small-bore Rotating Equipment	John Crane NON-CONTACTING SEALS Type 2800EH Externally Mounted, Gas-lubricated, Non-contacting Cartridge Double Seal for Pumps
John Crane NON-CONTACTING SEALS Type 2800EX Externally Mounted, Gas-lubricated, Non-contacting Cartridge Double Seal For Pumps	John Crane NON-CONTACTING SEALS Type 2800XA Non-contacting Gas-lubricated Dual Cartridge Seal for Large-bore Pumps
John Crane NON-CONTACTING SEALS Type 2800XP Non-contacting, Gas-lubricated Dual Cartridge Seal for Large-bore Pumps	John Crane NON-CONTACTING SEALS Type 2800XS Non-contacting, Gas-lubricated Dual Cartridge Seal for Large-bore Pumps
John Crane NON-CONTACTING SEALS Type 285 Gas-lubricated, Non-contacting Single Seal For Cryogenic Pumps	John Crane NON-CONTACTING SEALS Type 2874 Non-contacting Dual Gas Seal Cartridge for Pumps
John Crane NON-CONTACTING SEALS Type 2874NE Non-contacting, Non-elastomer Metal Bellows Outward Pumping Dual Gas Seal for High-temperature Applications	John Crane NON-CONTACTING SEALS Type 28SC Non-contacting Secondary Containment Seal

John Crane O-ring Pusher Seals

John Crane O-ring Pusher Seals Type 1648 API 682-qualified, Single Cartridge, Type "A" O-ring Pusher Seal	John Crane O-ring Pusher Seals Type 2648 API 682-qualified, Dual Unpressurized Cartridge, Type "A" O-ring Pusher Seal
John Crane O-ring Pusher Seals Type 270F Heavy-duty Cartridge Seal for Boiler Feed Circuit Applications	John Crane O-ring Pusher Seals Type 34 Elastomer O-ring Pusher Seal
John Crane O-ring Pusher Seals Type 3648 API 682-qualified, Dual Pressurized Cartridge, Type "A" O-ring Pusher Seal	John Crane O-ring Pusher Seals Type 4610 Compact, General-duty, Single Cartridge O-ring Seal
John Crane O-ring Pusher Seals Type 4620P Compact, General-duty, Dual Cartridge O-ring Seal with Pumping Ring	John Crane O-ring Pusher Seals Type 48VBF Low leakage, high temperature shaft seal for uncooled boiler-feed-water
John Crane O-ring Pusher Seals Type 48HP Low-emission, High-pressure O-ring Shaft Seal for Light Hydrocarbon Services	John Crane O-ring Pusher Seals Type 48LP Low-emission, Low-pressure O-ring Shaft Seal for Light Hydrocarbon Services
John Crane O-ring Pusher Seals Type 48MP Low-emission, Moderate-pressure O-ring Shaft Seal For Light Hydrocarbon Services	John Crane O-ring Pusher Seals Type 48SC Dry-contacting Secondary Containment Seal

John Crane O-ring Pusher Seals Type 48XP High-performance Cartridge, Multi-spring, O-ring Pusher Seal with Lubrication-enhancing and Controlled-leakage Features	John Crane O-ring Pusher Seals Type 5610 Universal Cartridge Seal Family — Single Cartridge O-Ring Seal
John Crane O-ring Pusher Seals Type 5610D/5620D Universal Cartridge Seal Family — Wet/Dry-running Seal	John Crane O-ring Pusher Seals Type 5610V/VQ/VP Universal Cartridge Ear Drive O-Ring Seal Head
John Crane O-ring Pusher Seals Type 5610Q Universal Cartridge Seal Family — Single Cartridge O-ring Seal with Quench As the first truly universal cartridge seal, the modular family concept of John Crane's Universal Cartridge Seal series will change your approach to sealing.... Learn more >	John Crane O-ring Pusher Seals Type 5620/5620P Universal Cartridge Seal Family — Dual Cartridge O-ring Seal The first truly universal cartridge seal, the Type 5620/5620P will change your approach to sealing. Since the 5600 Series components... Learn more >
John Crane O-ring Pusher Seals Type 586 Heavy-duty Cartridge Seal for Flue Gas Desulphurization	John Crane O-ring Pusher Seals Type 58B General Purpose DIN Balanced, Multi-spring, O-ring Pusher Seal
John Crane O-ring Pusher Seals Type 58U General Purpose DIN, Multi-spring, O-ring Pusher Seal	John Crane O-ring Pusher Seals Type 8610 Balanced Stationary Multi-spring Single Mechanical Seal
John Crane O-ring Pusher Seals Type 8620 Balanced Stationary Multi-spring Dual Mechanical Seal	John Crane O-ring Pusher Seals Type FFET Single Cartridge O-ring Seal

John Crane O-ring Pusher Seals Type JCS1 Integrated Single Seal for Demanding Conditions	John Crane O-ring Pusher Seals Type JCS2 Integrated Double Mechanical Seal for Demanding Conditions
John Crane O-ring Pusher Seals Type R33 General Purpose Short (L1S) DIN O-ring Pusher Seal	John Crane O-ring Pusher Seals Type RRAL/RREL Balanced Single-spring Cartridge Seals for Refinery and General Oil and Gas Service
John Crane O-ring Pusher Seals Type RREP High-performance Multi-spring Seal	John Crane O-ring Pusher Seals Type SAF Double-acting Cartridge Seal for Heavy Equipment
John Crane O-ring Pusher Seals Type SB1 Single, Heavy-duty Cartridge Seals	John Crane O-ring Pusher Seals Type SB1A Single, Heavy-duty Cartridge Seals
John Crane O-ring Pusher Seals Type SB2 Heavy-duty Dual-cartridge Seals Learn more >	John Crane O-ring Pusher Seals Type SB2A Heavy-duty Dual-cartridge Seals
John Crane O-ring Pusher Seals Type SBW Heavy-duty Single-cartridge Seals with Non-pressurized Quench	John Crane O-ring Pusher Seals Type SE1 Single Mechanical Seals for Sulzer Process Pumps

John Crane O-ring Pusher Seals

Type SE2

Dual Mechanical Seals for Sulzer Process Pumps

John Crane O-ring Pusher Seals

Type SEW

Single Mechanical Seals for Sulzer Process Pumps

John Crane O-ring Pusher Seals

Type U2EK

General Purpose Short (L1S) DIN O-ring Pusher Seal

John Crane PTFE BELLOW SEALS

John Crane PTFE BELLOW SEALS Type 10R PTFE Bellows Seal for Extreme Corrosion Resistance	John Crane PTFE BELLOW SEALS Type 10T PTFE Bellows Seal for Extreme Corrosion Resistance
John Crane PTFE BELLOW SEALS Type 20/20R Chemically Inert Materials In All Areas and On All Surfaces

John Crane PTFE WEDGE SEALS

John Crane PTFE WEDGE SEALS Type 109 Shaft-mounted Multi-spring Wedge Seal	John Crane PTFE WEDGE SEALS Type 109B Balanced Shaft-mounted Multi-spring Wedge Seal
John Crane PTFE WEDGE SEALS Type 59B General Purpose DIN, Balanced, Multi-spring, PTFE Wedge Seal	John Crane PTFE WEDGE SEALS Type 59U General Purpose DIN, Multi-spring, PTFE Wedge Seal

John Crane SLURRY SEALS

John Crane SLURRY SEALS Type 5840 Cost-effective Cartridge Slurry Seal	John Crane SLURRY SEALS Type 5860 Heavy-duty Cartridge Slurry Seal
John Crane SLURRY SEALS Type 5870 Flushless Cartridge Seal

John Crane SPLIT SEALS

John Crane SPLIT SEALS Type 3710 Compact Cartridge O-ring Split Seal	John Crane SPLIT SEALS Type 3740 Advanced Design, Wet-running Cartridge O-ring Split Seal
John Crane SPLIT SEALS Type 3740D Dry Running Cartridge Split Seal	John Crane SPLIT SEALS Type 3740XL Extra Large Wet Running Cartridge Split Seal
John Crane SPLIT SEALS Type 75FS Dry-running Fully Split Mixer Seal	John Crane SPLIT SEALS Type 37FS Heavy-duty Split Elastomer Bellows Seal for Agitators, Mixers and Pumps
John Crane SPLIT SEALS Type 37FSB Heavy-duty Balanced Split Elastomer Bellows Seal for Agitators, Mixers and Pumps	John Crane SPLIT SEALS Type 73 Inflatable Backup Shaft Seal to Accompany Split Seal

John Crane Gas Seal Systems

Gas Conditioning Units
Gas Conditioning Unit for Non-contacting Gas Seal for Turbo Compressors

Gas Seal Systems
Gas Seal System for Non-contacting Gas Seal and Separation Seals for Turbo Compressors

GCU Centrifugal Seal Gas Booster
Gas Conditioning Unit for Non-contacting Gas Seal for Turbo Compressors

John Crane Wet Seal Systems

With over 100 years’ experience in developing technologies that optimize rotating equipment performance, John Crane understands mechanical seals. We know that you need reliable seal performance to maximize process efficiencies while meeting production targets and constantly evolving, stringent operational requirements. Our expert engineers have designed a range of fluid control systems that create the optimal operating environment to enable the dependable performance you expect from a John Crane seal. No matter what the process fluid, from liquids to gases, cryogenic to boiling and abrasive to the purest finished product, our range of barrier fluid reservoirs, heat exchangers, abrasive separators and pump seal gas control panels support the most complete spectrum of industrial processes. Compliant with global industry codes such as API, ASME VIII and ASME B31.3, our systems can also be designed and built to meet regional specifications such as AD2000, ATEX, CE, PED, SELO and GOST.

John Crane SPLIT SEALS ABC Air-cooled Heat Exchanger	John Crane SPLIT SEALS Automatic Make-up Unit An alternative to a mobile refilling unit, an automatic make-up unit adds buffer or barrier fluid to multiple systems as...
John Crane SPLIT SEALS Custom-engineered Systems Custom-engineered systems are available where compliance with specific customer requirements must be met. John Crane's extensive experience in project specification...	John Crane SPLIT SEALS Cyclone Separators Cyclone separators are typically used in an API Plan 31 arrangement and incorporated in the seal flush line (API Plan...
John Crane SPLIT SEALS GP-S/GP-D Gas Panels for Chemical, Pharmaceutical and General Industries Non-API gas control panel to filter, regulate and monitor gas supply to gas-lubricated pump seals....	John Crane SPLIT SEALS GR1/1C Reservoirs for Chemical, Pharmaceutical and General Industries Stainless steel pressure vessels (with or without internal cooling coil) designed for general industry applications. These reservoirs provide buffer/barrier fluid...
John Crane SPLIT SEALS GR2/2C Reservoirs for Chemical, Pharmaceutical and General Industries Stainless steel pressure vessels (with or without internal cooling coil) designed for general industry applications. These reservoirs provide buffer/barrier fluid...	John Crane SPLIT SEALS GR3/3C Reservoirs for Chemical, Petrochemical, Pharmaceutical and General Industries Stainless steel pressure vessels (with or without internal cooling coil) designed for general industry applications. These reservoirs provide buffer/barrier fluid...
John Crane SPLIT SEALS K2S Water-cooled Heat Exchangers Water-cooled heat exchangers may be applied where water is readily available. Heat exchangers may be packaged together with seal support...	John Crane SPLIT SEALS PA 53B Accumulator-based System 53B accumulator-based seal support systems utilize a bladder to maintain system pressure to pressurized dual seals and absorb barrier fluid...
John Crane SPLIT SEALS PA 53C Accumulator-based System 53C accumulator-based seal support systems utilize a piston to maintain system pressure to pressurized dual seals and absorb barrier fluid... Learn more >	John Crane SPLIT SEALS PD 65A/PD 65B Leakage Detection

John Crane SPLIT SEALS PD 75 Leakage Detection Used to detect and monitor leakage of the inboard seal, these seal support systems can detect liquid leakage (API Plans...	John Crane SPLIT SEALS PD 76 Leakage Detection Used to detect and monitor leakage of the inboard seal, these seal support systems can detect liquid leakage (API Plans...
John Crane SPLIT SEALS PG 72 Gas Panels Used to provide a clean, regulated gas supply to a dual unpressurized seal arrangement where the containment seal is dry...	John Crane SPLIT SEALS PG 74 Gas Panels A PG 74 (API Plan 74) system provides a clean, dry, regulated supply of pressurized barrier gas...
John Crane SPLIT SEALS PL 54/55 Lubrication Systems PL 54/55 lubrication systems provide a positive flow and pressure of pressurized or unpressurized barrier/buffer fluid to dual seals. This...	John Crane SPLIT SEALS PR 52/PR 53A Reservoirs These reservoir-based seal support systems are designed for both API Plan 52 and 53A applications to support unpressurized and pressurized...
John Crane SPLIT SEALS RU-2/RU-4 Mobile Refilling Units Portable units enable refilling of a seal reservoir or barrier fluid circuit while the system is pressurized and in operation....	John Crane SPLIT SEALS Safeclean Seal Water Filter System Plant seal water filtration system, maintaining clean water supply to improve the reliability mechanical seals and gland packing and also...
John Crane SPLIT SEALS Safejet Compact in-line seal water filter SafeJet is an automatic seal water filter. Its operation is based on “flow-through” filter technology, which utilizes reliable laminar filtering... Learn more >	John Crane SPLIT SEALS Safeunit™ Seal Water Control and Monitoring System Safeunit is a complete monitoring and control solution for seals and seal water systems. Installing the Safeunit seal water system...
John Crane SPLIT SEALS Safeunit™ Ultima Seal Water Control and Monitoring System Safeunit Ultima is specially designed to control seal water flow and pressure in extreme conditions. This makes it ideal for... Learn more >	John Crane SPLIT SEALS SmartFlow Intelligent Seal Water Control System

John Crane SPLIT SEALS

SmartFlow IG

Intelligent Seal Water Control System

The SmartFlow IG intelligent seal water control system automatically controls seal water flow. It is designed to be used with...

John Crane SPLIT SEALS

WCH

Water-cooled Heat Exchangers

Water-cooled heat exchangers may be applied where water is readily available. Heat exchangers may be packaged together with seal support...

John Crane SPLIT SEALS

WCV

Water-cooled Heat Exchangers

Water-cooled heat exchangers may be applied where water is readily available. Heat exchangers may be packaged together with seal support...

John Crane Bearing Isolators

Bearing Assemblies

Isomag’s advanced magnetic face technology delivers unparalleled performance.

John Crane Bearing Isolators Magnum-D V8 The MD V8 creates a positive, bi-directional seal with or without shaft rotation, on horizontal or vertical applications.	John Crane Bearing Isolators Magnum-P V7 The MP V7 creates a positive, bi-directional seal with or without shaft rotation, on horizontal or vertical applications.
John Crane Bearing Isolators Magnum-P V6S The MP V6S creates a positive, bi-directional seal with or without shaft rotation, on horizontal or vertical applications.

John Crane API COUPLINGS

Safe operation is critical to maintaining productivity. Whether you are operating remotely in the cold, sub-zero of Alaska, the dusty heat of the Middle East, the corrosive environment of the North Sea or in areas of high humidity, John Crane’s broad range of power transmission couplings for the global oil and gas industries are designed to operate safely and reliably. Fully compliant with the latest API 610 and API 671 specifications, our range of T Series and M Series couplings are designed to accommodate misalignment, safely and reliably. Expert material selection removes the need for lubrication – reducing costs and minimizing downtime

John Crane API COUPLINGS

M Series

Diaphragm Membrane Coupling with Stainless Steel Discs in Factory-assembled Packs

John Crane API COUPLINGS

TLCS

Stainless Steel Discs in Factory-assembled Cartridge for High-torque Applications (Imperial)

John Crane API COUPLINGS

TLKL

Close-coupled, High-torque Axially Split Coupling for API Industry

TLKL range of close-coupled membrane couplings has been specifically designed as a direct replacement for lubricated gear couplings even...

John Crane API COUPLINGS

TLKS

Stainless Steel Discs in Factory-assembled Cartridge for High-torque Applications (Metric)

TLK coupling range is particularly suited for high-torque electric motor or turbine drives in critical process industry, marine and...

John Crane API COUPLINGS

TSKL

Close-coupled Medium-torque Axially Split Coupling for API Industry

TSKL range of close-coupled membrane couplings has been specifically designed as a direct replacement for lubricated gear couplings...

John Crane API COUPLINGS

TSKS / TSCS

Stainless Steel Discs in Factory-assembled Cartridge for Medium-duty Applications

John Crane’s Metastream T Series metallic membrane couplings, incorporate scalloped, stainless-steel, flexible membranes...

John Crane GENERAL PROCESS INDUSTRIES

Careful selection of the right coupling not only keeps operations running efficiently and reliably but also protects equipment, safeguarding your assets and people. John Crane’s comprehensive range of A Series, L Series, and T Series general industrial couplings are reliable, long life, and maintenance free - proven to meet the demands of the power, chemical, water, wastewater, pulp and paper, mining and marine industries. Able to accommodate misalignment without loss of performance, John Crane couplings are simple to install. Expert material selection removes the need for lubrication, reducing costs and minimizing downtime.