The scope of our mechanical pump seal product range far exceeds any other seal manufacturer. From small elastomer bellows seals used in millions of domestic water pumps to double mechanical seals that ensure maximum sealing safety, John Crane has the right product for any application. Our world-class rotating equipment technologies, paired with an unmatched breadth of applied engineering expertise, meet virtually all international standards including API 682 and help plants reduce maintenance costs, slash down time and improve reliability. When it comes to keeping your rotational equipment running 24/7, John Crane’s comprehensive range of pump seals has you covered.
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Pump Seals Products
Showing 1–100 of 100 products
Type 1
Full Convolution Industrial-duty Elastomer Bellows Shaft Seal
With its proven track record of exceptional performance, the Type 1 elastomer bellows seal is widely recognized as the industry's...
Type 2
Multi-purpose Non-pusher Elastomer Bellows Seal
The Type 2 mechanical seal is available in single, double and balanced arrangements. An outside-mounted spring results in a compact working height...
Type 21
General-duty Elastomer Bellows Shaft Seal
Our general-purpose mechanical seal has become the industry standard for OEM designers. Automatic adjustment compensates for abnormal shaft-end play, run out,...
Type 2100
Fully Unitized, Heavy-duty Elastomer Bellows Shaft Seal
Designed for demanding applications, the Type 2100 mechanical seal is a compact, unitized, single-spring elastomer bellows mechanical seal that offers maximum durability...
Type 2106
Fully Unitized Elastomer Bellows Shaft Seal
The Type 2106 mechanical seal is a compact, unitized, single-spring elastomer bellows seal that not only offers durability and performance but...
Type 4111
Single-use Elastomer Bellows Cartridge Seal
Suitable for DIN and ANSI pumps using aqueous solutions, engineered to simplify installation, reduce maintenance and save on overall costs.
Type 502
Unitized Elastomer Bellows Seal
The Type 502 mechanical seal is one of the best-performing elastomeric bellows seals available for general service, excellent in a wide...
Type 5611/5611Q/5611L
Universal Cartridge™ Seal Family — Single Cartridge Elastomer Bellows Seal
The Type 5611 mechanical seal is the first truly universal cartridge seal — and its modular family concept will change your approach to sealing. Because…
Type 6
Low-pressure Elastomer Bellows Unitized Seal Head for Small-diameter Pumps
This compact, unitized, single-spring, elastomer bellow mechanical seal is designed for use in small centrifugal water pumps, deep- and...
Type 8648VRS
Single and Dual Non-pusher Elastomer Seal
Type 8648VRS is a standardized non-pusher elastomer mechanical seal using patented technology, designed specifically for difficult hydrocarbon oil pipeline applications. It is designed specifically with…
Type 8628VSC
Non-pusher Secondary Containment Seal
Type 8628VSC is a standardized non-pusher elastomer, dry running non-contacting secondary containment seal designed specifically for refined oil hydrocarbon services, with a focus on meeting…
Secondary Containment Bushing
Secondary Containment Device for Plan 66A Crude-oil Pipeline Applications
The SCB Secondary Containment Bushing is a standardized, dual-bushing arrangement intended for . . .
Type 8648SC
Non-pusher Dry running Secondary Containment Seal
The John Crane Type 8648SC is a standardized non-pusher elastomer, dry running, secondary containment seal designed specifically for non-crude oil hydrocarbon services, with a focus…
ECS®
Metal Bellows Dry-running Secondary Emission Containment Seal
Available in low- and high-temperature designs, the ECS® is a dry-running seal for emission containment and safety/backup that successfully controls...
Type 2874HTC
Non-contacting, Metal Bellows, Outward Pumping Dual Pressurized Gas Lubricated Seal
Reliably sealing high and low temperature process fluids up to 425°C (800°F), the Type 2874HTC incorporates unique HTC (high-temperature, corrosion-resistant) metal bellows technology with non-contacting…
Type 285
Gas-lubricated, Non-contacting Single Seal For Cryogenic Pumps
As the worldwide leader in spiral groove technology, John Crane is the first to utilize non-contacting seals...
Type 1604
Single Stationary API 682 Metal Bellows Cartridge Seal Type C, Arrangement 1
The Type 1604 high-temperature, high-performance Type C, Arrangement 1, API 682 qualified cartridge seal is designed for high-temperature applications such...
Type 1604HTC
Single Stationary Welded Metal Bellows API 682 Cartridge Seal Type C, Arrangement 1
The Type 1604HTC is an API 682 qualified single stationary bellows cartridge seal Type C, Arrangement 1. The Type...
Type 1670
API 682 Category II and Category III, Type B, Arrangement 1 Single Rotating Metal Bellows Cartridge Seal
The Type 1670 is a factory pre-set edge-welded metal bellows API 682 qualified cartridge seal with Alloy C-276 (UNS N10276)...
Type 2609HTC/3609HTC
Dependable API 682 Cartridge Seals
The Type 2609HTC and Type 3609HTC are dependable API 682 cartridge seals that utilize two impressive design innovations by...
Type 2609HTL/3609HTL
Dual Unpressurized and Pressurized Rotating Bellows Cartridge Seals (API 682 Type C, Arrangement 2 and 3)
Type 2609HTL is a dual unpressurized rotating bellows cartridge seal API 682 Type C, Arrangement 2. Type 3609HTL is a...
Type 2715T
High-temperature Single and Dual Metal Bellows Cartridge Seal for Dean Bros. Pumps
The Type 2715T is available as a single or dual high-temperature cartridge seal for Dean Bros. pump models R434, R454...
Type 2800MB
Welded Metal Bellows Gas-lubricated, Non-contacting, Dual Cartridge Seal with Elastomeric Secondary Seals
The Type 2800MB is a state-of-the-art welded metal bellows, gas-lubricated, non-contacting seal for achieving 0.0 fugitive emissions for Maximum...
Type 3604/3604HTC/3604HTCDP
API 682 Type C, Arrangement 3, Stationary Metal Bellows Cartridge Seal
The Type 3604/3604HTC/3604HTCDP is a highly reliable dual face-to-face stationary cartridge seal for high-temperature refinery services that is fully API...
Type 4615
General-purpose Single Cartridge Metal Bellows Seal
The 4615 is a metal bellows seal that replaces the EZ-1® General-purpose Single Cartridge Seal. It is a member of the 4600 family of cartridge…
Type 515E
Asymmetric Formed Metal Bellows Designed for General Purpose Use
Asymmetric formed metal bellows designed for general purpose use. General sealing duties include biotechnology, chemical processing, food processing, mining, oil,...
Type 5615/5615Q/5615L
Universal Cartridge Seal Family — Single Cartridge Metal Bellows Seal
The 5600 Series is the first truly universal cartridge seal — and the modular family concept of John Crane's Universal Cartridge will change your approach…
Type 5625/5625P
Universal Cartridge Seal Family — Dual Cartridge Metal Bellows Seal
The 5600 Series is the first truly universal cartridge seal — and the modular family concept of John Crane's Universal Cartridge will change your approach…
Type 5625P-1
Universal Cartridge Seal Family — API 682 Qualified Dual Cartridge Unpressurized/Pressurized Metal Bellows Seal
High-performance, low-emission, non-pusher seals, the Universal Cartridge 5600-1 Series is a modular cartridge seal family that includes interchangeable metal bellows...
Type 604
High-temperature, Stationary Edge-welded Metal Bellows Seal
The Type 604 is a high-temperature, general-purpose, stationary edge-welded metal bellows assembly for applications to 425C/800F. Available in either AM350...
Type 604HTC
High-temperature, Corrosion-resistant Stationary Bellows Assembly Utilizing "HTC" Technology
The Type 604HTC high-temperature, corrosion-resistant welded metal bellows seal is a unique advanced technology for reliably sealing fluids in harsh...
Type 606
High-temperature, Rotating Edge-welded Metal Bellows Seal with Drive Lugs
The Type 606 is a high-temperature (to 425°C/800°F) rotating seal with the same high-strength design features as the Type 609....
Type 609
High-temperature, Rotating Edge-welded Metal Bellows Seal
The Type 609 is a high-temperature (to 425°C/800°F) rotating seal head assembly that incorporates all of the rugged features of...
Type 609HTC
High-temperature, Corrosion-resistant Rotating Bellows Assembly Utilizing "HTC" Technology
The Type 609HTC is a high-temperature bellows assembly intended for those demanding applications where a dependable, high-strength, rotating seal is...
Type 670
Low-temperature, All-Alloy C-276 Metal Bellows Shaft Seal for Highly Corrosive Fluids
The Type 670 is an all-Alloy C-276 rotating bellows seal, providing high strength and excellent corrosion resistance. It is...
Type 675
Low-temperature Titanium Edge-welded Metal Bellows Seal
The Type 675 is a rotating titanium welded metal bellows assembly. The titanium bellows is ideal for chlorine, chlorine dioxide...
Type 676
Low-temperature, AM350 Metal Bellows Shaft Seal for Mild Corrosive Services
The Type 676, with a rotating AM350 stainless steel bellows, is well suited for mild corrosive and....
Type 680
Low-temperature, General Duty All-Alloy-20 Edge-welded Metal Bellows Seal
The Type 680 is the ideal seal for general-purpose applications. Its rotating Alloy-20 bellows provide corrosion resistance in a broad...
Type GL1B
Formed Metal Bellows Seal for General Service
The Type GL1B is a double-ply formed bellows seal to meet the dimensional requirements of DIN 24960 L 1K. The...
Type 2800E
Non-contacting, Gas-lubricated Seals for Small-bore Rotating Equipment
The rotating mating ring features micromachined spiral grooves that compress an inert barrier gas and create a lifting force on...
Type 2800EH
Externally Mounted, Gas-lubricated, Non-contacting Cartridge Double Seal for Pumps
The John Crane Type 2800EH is a non-contacting dual seal for non-turbo small-bore rotating equipment applications, meeting the requirements of...
Type 2800EX
Externally Mounted, Gas-lubricated, Non-contacting Cartridge Double Seal For Pumps
Unique spiral groove technology patented John Crane spiral grooves are machined into the mating ring faces. A pressurized suitable inert...
Type 2800XA
Non-contacting Gas-lubricated Dual Cartridge Seal for Large-bore Pumps
The patented technology and tolerant design make these seals ideally suited for applications requiring specially engineered seals with performance even...
Type 2800XP
Non-contacting, Gas-lubricated Dual Cartridge Seal for Large-bore Pumps
The John Crane Type 2800XP is a non-contacting dual seal for non-turbo, large-bore rotating equipment applications, and complements the John...
Type 2800XS
Non-contacting, Gas-lubricated Dual Cartridge Seal for Large-bore Pumps
Type 2800XS is the designation used for specially engineered seals designed for operation outside the normal parameters of Types 2800XA and 2800XP...
Type 2874
Non-contacting Dual Gas Seal Cartridge for Pumps
The Type 2874 is an internally pressurized, gas-lubricated, non-contacting dual cartridge seal designed for use in API, ANSI and DIN...
Type 28SC
Non-contacting Secondary Containment Seal
The 28SC is a gas-lubricated, non-contacting secondary containment seal, which is applied as a component of a multiple seal...
Type 1648
API 682-qualified, Single Cartridge, Type "A" O-ring Pusher Seal
The Type 1648 is a high-performance single cartridge pusher seal designed to help prevent emissions leakage in most refinery applications....
Type 2648
API 682-qualified, Dual Unpressurized Cartridge, Type "A" O-ring Pusher Seal
The Type 2648 is a high-performance, low-emission cartridge seal designed to provide additional safety for hazardous applications and applications where...
Type 270F
Heavy-duty Cartridge Seal for Boiler Feed Circuit Applications
Suitable for larger equipment, the Type 270F is a boiler feed seal designed for the most demanding performance, and is...
Type 34
Elastomer O-ring Pusher Seal
The Type 34 is a short, DIN-balanced seal for general duty in the processing, refinery and petrochemical industries. Alternative seat...
Type 3648
API 682-qualified, Dual Pressurized Cartridge, Type "A" O-ring Pusher Seal
The Type 3648 is a high-performance, low-emission cartridge seal designed for maximum containment of hazardous fluids and light hydrocarbons. Its...
Type 4610
Compact, General-duty, Single Cartridge O-ring Seal
The Type 4610 single cartridge seal, available off-the-shelf the world over, combines affordability with fluid-sealing dependability...
Type 4620P
Compact, General-duty, Dual Cartridge O-ring Seal with Pumping Ring
The Type 4620P dual cartridge seal, available off the shelf the world over, brings a new...
Type 48VBF
Low leakage, high temperature shaft seal for uncooled boiler-feed-water
The Type 48VBF is a single seal that can operate without a cooling water system(external heat exchanger, API Plan 23) in critical high temperature pumps…
Type 48HP
Low-emission, High-pressure O-ring Shaft Seal for Light Hydrocarbon Services
Type 48 seals evolved from the successful, proven John Crane Type 8B1 design, the preferred choice for safe, reliable, unpressurized...
Type 48LP
Low-emission, Low-pressure O-ring Shaft Seal for Light Hydrocarbon Services
Type 48 seals evolved from the successful, proven John Crane Type 8B1 design, the preferred choice for safe, reliable, unpressurized...
Type 48MP
Low-emission, Moderate-pressure O-ring Shaft Seal For Light Hydrocarbon Services
Type 48 seals evolved from the successful, proven John Crane Type 8B1 design, the preferred choice for safe, reliable, unpressurized...
Type 48SC
Dry-contacting Secondary Containment Seal
Dry-running, contacting seals employ a technology based on careful material selection and precise control of contact forces. They are...
Type 48XP
High-performance Cartridge, Multi-spring, O-ring Pusher Seal with Lubrication-enhancing and Controlled-leakage Features
Patented John Crane Laserface® interface groove technology. The Type 48XPVL is a new and innovative technology which has been...
Type 5610/5610Q/5610L
Universal Cartridge Seal Family — Single Cartridge O-Ring Seal
The first truly universal cartridge seal, the Type 5610 will change your approach to sealing. Since the 5600 Series components...
Type 5610D/5620D
Universal Cartridge Seal Family — Wet/Dry-running Seal
The specially engineered, fully interchangeable wet/dry-running seal head extends the functionality of the 5600 product line for standard ANSI...
Type 5610V/VQ/VP
Universal Cartridge Ear Drive O-Ring Seal Head
The specially engineered, fully interchangeable ear drive O-ring seal head extends the functionality of the 5600 series product line for standard ANSI and large bore…
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...
Type 586
Heavy-duty Cartridge Seal for Flue Gas Desulphurization
The Type 586 is a single, stationary cartridge-mounted seal assembly designed to contain the thick, corrosive and erosive slurries typically...
Type 58B
General Purpose DIN Balanced, Multi-spring, O-ring Pusher Seal
A DIN seal for general- and high-pressure duties in the processing, refinery and petrochemical industries. Alternative...
Type 58U
General Purpose DIN, Multi-spring, O-ring Pusher Seal
A DIN seal for general low- to medium-pressure duties in the processing, refinery and petrochemical industries. Alternative...
Type 8610/8620
Balanced Stationary Multi-spring High Duty Mechanical Seal
The type 8600 seal is available in single, dual pressurized and dual non pressurized arrangements for the most extreme pressures and speeds, from our high…
Type FFET
Single Cartridge O-ring Seal
Designed to reduce installation time and errors, the compactness of the FFET cartridge seal ensures that it will fit all ANSI...
Type JCS1
Integrated Single Seal for Demanding Conditions
Safeseal JCS1 is a rugged, pump-integrated single seal designed for clean and lubricating fluids such as water, oils, solvents and...
Type JCS2
Integrated Double Mechanical Seal for Demanding Conditions
Type JCS2 seals are designed to be used in pumps for environmentally hazardous and abrasive liquids when operating limits for...
Type R33
General Purpose Short (L1S) DIN O-ring Pusher Seal
A short DIN seal for general duties in the processing, refinery and petrochemical industries. Alternative seat designs and material options...
Type RRAL/RREL
Balanced Single-spring Cartridge Seals for Refinery and General Oil and Gas Service
Patented single-spring drive to minimize clogging. RRAL/R is an API 682 qualified cartridge design....
Type RREP / RRDP
High-performance Multi-spring Seal
Designed for high-pressure and high-speed applications, the RREP is suited to a whole host of refinery and process industry duties,...
Type SAF
Double-acting Cartridge Seal for Heavy Equipment
The SAF is a double-acting seal particularly engineered to suit pumps, screens, knotters, sorters and pulpers in heavy process industries...
Type SB1
Single, Heavy-duty Cartridge Seals
The Safeseal Type SB1 is a single-cartridge seal for use with clean fluids and lubricants. It is versatile and...
Type SB1A
Single, Heavy-duty Cartridge Seals
The Safeseal Type SB1A is a single-cartridge seal for use with clean fluids and lubricants. It is versatile, easy...
Type SB2/Type SB2A
Heavy-duty Dual-cartridge Seals
The Safeseal Type SB2A is a dual-cartridge seal. Its double-balanced design ensures the reliability and longevity of the seal...
Type SBW
Heavy-duty Single-cartridge Seals with Non-pressurized Quench
The Safeseal Type SBW is a single-cartridge seal used with unpressurized quench. The Type SBW seal can be used...
Type SE1
Single Mechanical Seals for Sulzer Process Pumps
The Safeseal Type SE1 is a customer-fitted (OEM standard) single, balanced component or cartridge seal designed for clean and lubricating...
Type SE2
Dual Mechanical Seals for Sulzer Process Pumps
The Safeseal Type SE2 is a customer-fitted (OEM standard) dual, balanced cartridge seal designed for the severe applications found in...
Type SEW
Single Mechanical Seals for Sulzer Process Pumps
Type SEW is a seal operating on a non-pressurized water quench principle. It is designed for the most demanding applications in...
Type U2EK
General Purpose Short (L1S) DIN O-ring Pusher Seal
A short DIN seal for general duties in the processing, refinery and petrochmical industries. Alternative seat designs and material options...
Type 10R
PTFE Bellows Seal for Extreme Corrosion Resistance
A complete externally mounted PTFE seal with exchangeable face insert for use in extremely corrosive applications such as high concentrations...
Type 10T
PTFE Bellows Seal for Extreme Corrosion Resistance
A complete externally mounted PTFE seal with bellow integrated PTFE face for use in extremely corrosive applications such as high...
Type 20/20R
Chemically Inert Materials In All Areas and On All Surfaces
Types 20 and 20R shaft seals feature chemically inert materials in all areas and on all surfaces in contact with...
Type 109
Shaft-mounted Multi-spring Wedge Seal
A wedge seal for use on corrosive applications, typically for chemical or hydrocarbon processing....
Type 109B
Balanced Shaft-mounted Multi-spring Wedge Seal
A balanced wedge seal for use on corrosive applications, typically for chemical or hydrocarbon processing....
Type 59B
General Purpose DIN, Balanced, Multi-spring, PTFE Wedge Seal
A DIN seal for general and high-pressure duties in the chemical, refinery, petrochemical and pharmaceutical industries. Alternative seat designs and...
Type 59U
General Purpose DIN, Multi-spring, PTFE Wedge Seal
A DIN seal for general low- to medium-pressure duties in the chemical, refinery, petrochemical and pharmaceutical industries. Alternative seat...
Type 5840
Cost-effective Cartridge Slurry Seal
Our Type 5840 single-cartridge seal encompasses many of the advantages associated with heavy-duty seal design, encased in a cost-effective...
Type 5860
Heavy-duty Cartridge Slurry Seal
Available as a single or double seal, the Type 5860 is designed to operate in the harshest abrasive slurry environments....
Type 5870
Flushless Cartridge Seal
The Type 5870 is a single, balanced, O-ring pusher cartridge seal. It is designed to operate unsupported in all...
Type 3740
Advanced Design, Wet-running Cartridge O-ring Split Seal
The Type 3740 mechanical seal is a family of split seals using the latest modular split seal technology from John Crane that...
Type 3740D
Dry Running Cartridge Split Seal
The Type 3740D dry-running split seal is a mechanical seal designed for the large shaft run-out and harsh operating conditions commonly associated with top-entry vessel…
Type 3740XL
Extra Large Wet Running Cartridge Split Seal
The Type 3740XL wet-running split seal is the extra large version of John Crane's successful Type 3740 split seal...
Type 75FS
Dry-running Fully Split Mixer Seal
The Type 75FS dry- or wet-running fully split mechanical seal is designed specifically to eliminate process contamination and significantly reduce...
Type 37FS
Heavy-duty Split Elastomer Bellows Seal for Agitators, Mixers and Pumps
The Type 37FS fully split mechanical seal helps significantly reduce maintenance on larger, difficult-to-seal equipment. It is recommended for use on...
Type 37FSB
Heavy-duty Balanced Split Elastomer Bellows Seal for Agitators, Mixers and Pumps
The Type 37FSB fully split mechanical seal helps significantly reduce maintenance on larger, difficult-to-seal equipment. It is recommended for use on...
Type 73
Inflatable Backup Shaft Seal to Accompany Split Seal
Our inflatable backup seal is primarily used to hold process fluids, without leakage, while repairs are made to the primary...