Mechanical Seals

Non-contacting Gas Seal for Turbo Compressors Features– Cartridge design- Unidirectional or bidirectional capability- Single, double-opposed or tandem configuration- Robust design with unparalleled field-proven pedigree  ParametersTEMPERATURE LIMITS : -220°F to 600°F/-140°C to 315°C, dependent on overall duty conditionsPRESSURE LIMITS : 6,500 psi(g)/450 bar(g) across single stageSPEED LIMITS : 660fps/200m/sSIZE LIMITS : 13.75″/350mm Recommended Applications– Centrifugal Compressors- Other Compressors For more information…

Non-contacting Gas Seal for Turbo Compressors Features– Cartridge design- Unidirectional or bidirectional capability- Single, double-opposed or tandem configuration- Robust design with unparalleled field-proven pedigree ParametersTEMPERATURE LIMITS : -220°F to 600°F/-140°C to 315°C, dependent on overall duty conditionsPRESSURE LIMITS : 6,500 psi(g)/450 bar(g) across single stageSPEED LIMITS : 660fps/200m/sSIZE LIMITS : 13.75″/350mm Recommended Applications– Centrifugal Compressors- Other Compressors For more…

Non-contacting Gas Seal for Turbo Compressors Features– Cartridge design- Unidirectional or bidirectional capability- Single, double-opposed or tandem configuration- Robust design with unparalleled field-proven pedigree ParametersTEMPERATURE LIMITS : -220°F to 600°F/-140°C to 315°C, dependent on overall duty conditionsPRESSURE LIMITS : 6,500 psi(g)/450 bar(g) across single stageSPEED LIMITS : 660fps/200m/sSIZE LIMITS : 13.75″/350mm Recommended Applications– Centrifugal Compressors For more information about…

Separation Seal (Contacting Technology) Features– Low buffer gas consumption.- Low wear for longer life and improved reliability.- Cartridge design for easy installation.- Universal design independent of shaft rotation.- Unique carbon bushing segment design with self-adjusting hydropads.- Incorporates biased flow path to further reduce the risk of bearing oil migration.- Specially designed joint between the carbon bushing…

Separation Seal (Non-contacting Technology) Features– Non-contacting for longer life and improved reliability, low heat generation.- Runs at low operating pressure differential enabling low gas consumption.- Specially designed segments further minimize gas consumption.- Universal design, independent of shaft rotation.- Will retrofit many traditional carbon bushing rings.- Suitable for running with nitrogen separation gas irrespective of dew point.-…

Non-contacting Gas Seal for Steam Turbines Features- Bearing oil steam contamination reduced.- Standard designs fit most single-stage turbines.- Reduced noise levels and hazards associated with leaking steam.- Support equipment eliminated.- Unidirectional and bidirectional capability. ParametersTEMPERATURE LIMITS : 40°F to 500°F/-40°C to 260°CPRESSURE LIMITS : 400 psi(g)/27.6 bar(g)SPEED LIMITS : 400fps/122m/sSIZE LIMITS : 6.5″/165mm Recommended Applications- Steam Turbines- Driven…

Non-contacting Gas Seal for Vaporizing Liquids Features– Extended wear life- Outstanding reliability- Reduced power consumption- Zero process contamination- Reduced emissions ParametersTEMPERATURE LIMITS : -40°F to 400°F/40°C to 204°CPRESSURE LIMITS : 1800 psi(g)/124 bar(g) per seal faceSPEED LIMITS : 590fps/180m/sSIZE LIMITS : 11″/280mm Recommended Applications– Process Pumps- Other Rotating Equipment For more information about this product, please visit:https://www.johncrane.com/products/mechanical-seals/dry-gas/type-28vl

Fully Unitized, Heavy-duty Elastomer Bellows Shaft Seal Features– Unitized construction allows for fast and easy installation and replacement. Design fits DIN24960, ISO 3069 and ANSI B73.1 M-1991 standards.- Innovative bellows design is pressure-supported and will not crease or fold under high pressure.- Non-clogging, single-coil spring keeps seal faces closed and properly tracking during all phases of…

Unitized Elastomer Bellows Seal Features– Full convolution elastomeric bellows seal designed to fit into confined spaces including DIN24960.- Unitized for ease of installation and tolerant of shaft play and run-out.- Bi-directional and robust drive to the seal face eliminates stresses on the bellows.- Available in metric sizes from 14mm to 100mm. ParametersTEMPERATURE LIMITS : -40°F to 400°F/40°C…

Universal Cartridge™ Seal Family — Single Cartridge Elastomer Bellows Seal Features– The Type 5611 single cartridge seal arrangements incorporate the John Crane Type 1 seal head assembly with universal cartridge adaptive hardware.- Automatic adjustment compensates for abnormal shaft-end play and run-out, primary ring seal face wear, equipment tolerances and service life.- Non-clogging single-coil spring.- Positive mechanical…