John Crane, Inc. Datasheets for Mechanical Seals

Mechanical Seals:

Mechanical seals including mechanical face seals, bellows, gas seals, and cartridge seals.
Mechanical Seals: Learn more

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Product Name Notes
Type 21
Type 21
Type 21
Type 21
Type 21
Type 21
Type 21
Type 21
Type 21
Type 21
Type 21
Type 21
Type 21
Type 21
Type 21
Type 21
Type 21
Type 21
Type 21
Type 21
Type 21
Type 21
Type 21
Type 21
Type 21
Type 21
Type 21
Type 21
Type 21
Type 21
Type 21
A general purpose seal, has become an industry std with OEM designers
Type 1
Type 1
Type 1
Type 1
Type 1
Type 1
Type 1
Type 1
Type 1
Type 1
Type 1
Type 1
Type 1
Type 1
Type 1
Type 1
Type 1
Type 1
Type 1
Type 1
Type 1
Type 1
Type 1
Type 1
Type 1
Type 1B
Type 1B
Type 1B
Type 1B
Type 1B
Type 1B
Type 1B
Type 1B
Type 1B
Type 1B
Type 1B
Type 1B
Type 1B
Type 1B
Type 1B
Type 1B
Type 1B
Type 1B
Type 1B
Type 1B
Type 1B
Type 1B
Type 1B
Type 1B
Type 1B
Can be repaired in field to minimize replacement cost downtime
Type 2100 Compact and unitized, consult John Crane for specific shaft sizes
Type 59B
Type 59B
Type 59B
Type 59B
Type 59B
Type 59B
Type 59B
Type 59B
Type 59B
Type 59B
Type 59B
Type 59B
Type 59B
Type 59B
Type 59B
Type 59B
Type 59B
Type 59B
Type 59B
Type 59B
Type 59B
Type 59B
Type 59B
Type 59B
Type 59B
Type 59B
Type 59B
Type 59B
Type 59B
Type 59B
Type 59B
Type 59B
Type 59U
Type 59U
Type 59U
Type 59U
Type 59U
Type 59U
Type 59U
Type 59U
Type 59U
Type 59U
Type 59U
Type 59U
Type 59U
Type 59U
Type 59U
Type 59U
Type 59U
Type 59U
Type 59U
Type 59U
Type 59U
Type 59U
Type 59U
Type 59U
Type 59U
Type 59U
Type 59U
Type 59U
Type 59U
Type 59U
Type 59U
Type 59U
Compact designs, PTFE or exfoliated graphite wedge secondary seal
Type 48
Type 48
Consult John Crane Engineering for higher speed and temperature
SEW Designed for demanding applications, single seal with water quench
Type 28ST
Type 28ST
Designed to fit most single-stage turbines without modification
Type 32GL Dry-running, top-entering mixer seal, higher temperature services available
Type 28AT
Type 28AT
Type 28XP
Type 28XP
Eliminates seal oil contamination, shaft sizes 1" to 10"
Type 5860 Environmental control, longest operating life, fault free
Type 28VL
Type 28VL
Extended wear life, outstanding reliability, reduced emissions
Type 2800
Type 2800
Type 2800
Type 2800
Type 2800
Type 2800
Type 2800
Type 2800
Type 2800
Type 2800
Type 2800
Type 2800
For high reliability sealing of volatile fluids in chemical & petrochemical
Type 6
Type 6
Type 6
Type 6
Type 6
For low pressure small diameter rotary shaft applications
Type 1648
Type 2648
Type 3648
Fully meets the need of the oil industry for hydrocarbon and other services
SB Series
SB Series
SB Series
SB Series
SB Series
SB Series
SB Series
SB Series
SB Series
SB Series
SB Series
SB Series
SB Series
SB Series
SB Series
SB Series
SB Series
SB Series
SB Series
SB Series
SB Series
SB Series
SB Series
SB Series
SB Series
SB Series
SB Series
SB Series
SB Series
SB Series
SB Series
SB Series
SB Series
Heavy duty seals, used for ANSI pumps, easy to install
ECS-high
ECS-high
ECS-low
ECS-low
High and low temperature applications, simple and versatile design
Type 2900
Type 2900
Type 2900
Type 2900
Type 2900
Type 2900
Type 2900
Type 2900
Type 2900
Type 2900
Type 2900
Type 2900
Type 2900
Type 2900
Type 2900
Internal parts and clearances designed for large axial shaft movement
Type 675 Low-temperature, ideal for chlorine & chlorine dioxide
Type 676 Low-temperature, ideal for mild corrosives and abrasives
Type 670
Type 680
Low-temperature, reliable performance, corrosion resistance
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Type 5611/5611Q
Non-clogging single -coil spring, positive mechanical drive
Type 613 Optimized belles design assures superior performance
Type 4610
Type 4610
Type 4610
Type 4610
Type 4610
Type 4610
Type 4610
Type 4610
Type 4610
Type 4610
Type 4610
Type 4610
Type 4610
Type 4610
Type 4610
Type 4610
Type 4610
Type 4610
Type 4610
Optimized running face design, non-clogging, unique centralized ring
Type 285 Optimum 45 degrees tilt angle, three-sweep radius, light spring loads
Type 2800MB Outstanding warranty, easy installation, no wet barrier system
Type 4610 Product protected low modulus spring for max. movement allowance
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Type 5615/5615Q
Reversible seal heads, modular design, optimized pressure balanced design
Type 5620/5620PR
Type 5620/5620PR
Type 5620/5620PR
Type 5620/5620PR
Type 5620/5620PR
Type 5620/5620PR
Type 5620/5620PR
Type 5620/5620PR
Type 5620/5620PR
Type 5620/5620PR
Type 5620/5620PR
Type 5620/5620PR
Type 5620/5620PR
Type 5620/5620PR
Type 5620/5620PR
Type 5620/5620PR
Type 5620/5620PR
Type 5620/5620PR
Type 5620/5620PR
Type 5620/5620PR
Type 5620/5620PR
Type 5620/5620PR
Type 5620/5620PR
Type 5620/5620PR
Type 5620/5620PR
Type 5620/5620PR
Type 5620/5620PR
Type 5620/5620PR
Type 5620/5620PR
Type 5620/5620PR
Type 5620/5620PR
Type 5620/5620PR
Reversible seal heads, non-clogging wave spring
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Type 5625/5625PR
Reversible seal heads, set screwless outboard seal drive
Type 1100
Type 1100
Self-aligning, other shaft sizes available upon request
Type 3710
Type 3710
Type 3710
Type 3710
Simple, reliable assembly and installation, easily field repairable
Type 604
Type 604
Type 606
Type 606
Type 609
Type 609
Supplied with flexible graphite secondary packings, high-temperature
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2
Type 2B
Type 2B
Type 2B
Type 2B
Type 2B
Type 2B
Type 2B
Type 2B
Type 2B
Type 2B
Type 2B
Type 2B
Type 2B
Type 2B
Type 2B
Type 2B
Type 2B
Type 2B
Type 2B
Type 2B
Type 2B
Type 2B
Type 2B
Type 2B
Type 2B
They are suitable for wide range of service condition
Type 6A
Type 6A
Type 6A
Two-piece seal with optional ferrules and OD cup mating ring
Type 6A Two-piece seal without optional ferrules and ID cup mating ring
Type 6A
Type 6A
Type 6A
Type 6A
Type 6A
Type 6A
Unitized seal with ID driven banded mating ring
Type 6A
Type 6A
Type 6A
Unitized seal with ID driven mating ring, flexible elastomer bellows
Type 6A
Type 6A
Unitized seal with OD cup mounted mating ring
SE 1 Used for clean and lubricating fluids, good technical solutions
SE2 Used in pumps for abrasive and environmentally hazardous liquids
Type 2800E Zero emissions, reduced power consumption, non-contacting design

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