The Chesterton 442C™ Cartridge Split Seal combines superior seal performance with the ease of installation of a cartridge seal. Our patented split seal technology addresses the inherent limitations found in conventional cartridge split seal designs by minimizing installation complications and excessive leakage. As with all split seal options, it offers easy installation and replacement without the need for teardowns.
The 442C design also offers maximum installation flexibility with its short axial length and flexible gland positioning. It simplifies split mechanical seal repair by using a standard spare parts kit, enabling you to lower your inventory costs to maintain operations.
The Chesterton 442M split mechanical seal eliminates the need for equipment disassembly during seal installation and reduces maintenance costs. This split technology includes vacuum-to-positive pressure capability, which is especially beneficial in process vessel material transfer. It accommodates large radial and axial shaft motion associated with industrial mixers, agitators, reactors, and blenders.
Installation is made easy with patented, automatic centering
Uses many patented features allowing for easy and cost-effective field repair
The unique ball-and-socket O-Rings are the easiest to install and are leak-free without the use of adhesives
Available in sizes ranging from 20 mm to 610 mm (.75” in.-24 in.)
The design of the Chesterton 442PR split seal is ideal for hot heater drains and boiler feed pumps where cooling to a single seal must be provided.
The high capacity pumping ring provides for maximum heat removal and reliability in hot water services. The 442PR delivers the lowest cost of ownership from its ease of installation, low cooling, and reliability.
The Chesterton 442 split seal is ideal for equipment that is difficult and time-consuming to disassemble, such as large pumps, vertical pumps, and horizontal split case pumps. This proven, compact design can be used in a wide variety of equipment and process fluids.
The patented, high-performance split technology allows the 442 to operate from vacuum to high pressures.
Compact design allows for easy installation and a fit advantage on most equipment.
Split, low-cost repair kits reduce ongoing maintenance costs even further.
Designed with the installer in mind, the ball-and-socket O-Rings provide a quick and easy leak-free seal without the use of adhesives.
Captive screws cannot fall out, making installation straightforward and reliable.
Built on Chesterton’s AXIUS™ modular platform for simple configuration and installation plant-wide.
This Chesterton® single cartridge seal offers you the ultimate in seal quality, flexibility, and convenience. Leveraging Chesterton’s proprietary AXIUS modular platform, the 1810 can be configured with several different face profiles and auxiliary components which allows performance to be tailored to a wide range of process conditions.
A plant-wide sealing solution, the 1810 is effective for both simple and highly demanding applications. It offers selectable features around a common gland housing. This flexibility allows for the creation of the best sealing parameters for your equipment and application needs to maximize single seal reliability.
A Flexible Single Mechanical Seal for Plant-Wide use.
The Chesterton 155™ cartridge-style single seal is the perfect seal for all of your general-purpose plant applications. This simple mechanical seal design results in a more robust and reliable seal for general applications, while the low profile seal faces allow for low heat generation—making it ideally suited for non-lubricating fluids.
With the addition of the adjustable gland tabs, the Chesterton 155 can adapt to any bolting pattern, making installation easier.
Designed to Extend the Life of Slurry Pumps.
Engineered for harsh, heavy consistency slurry environments, this seal’s unique, no-clog design reduces or eliminates costly external seal flushes. The Chesterton 170 improves plant efficiencies by reducing product dilution and increasing production rates.
170 ISO is an off-the-shelf product that fits directly to ISO-3069-H and ISO-3069-C seal chambers.
Chesterton 186 Metal Bellows Seal - Single Cartridge
Chesterton 186 Metal Bellows Seal - Single Cartridge
Balanced Metal Bellows Design Used in Harsh Chemical Services.
This bellows seal enhances reliability by minimizing O-Ring concerns. The Chesterton 186 Bellows Seal is used primarily in the chemical and petrochemical industries.
The high-strength, low-spring-rate bellows core delivers low heat generation and reliable sealing performance. The self-cleaning, rotary bellows seal design will reduce the clogging associated with sealing fluids with solids in suspension.
Heavy Duty Capabilities for Difficult Applications.
This double mechanical seal allows for a new, higher level of reliability and performance with the convenience of a cartridge seal. The Chesterton 280™ Double Mechanical Seal is specifically designed to handle demanding, high-torque applications.
This product is an ideal selection for such difficult applications as high concentration black liquor, hard-to-seal monomers such as acrylonitrile, vinyl chloride monomer, and any other potentially viscous solidifying liquids.
This seal provides a cost-effective solution for a wide variety of applications that require dual sealing with the flexibility to meet some of the most challenging conditions.
Thanks to its integrated pumping ring and universal gland with both flush port as well as quench and drain, the 255 can handle the most demanding applications. Whether you need advanced environmental controls or system pressure fluctuation tolerance, the 255 has you covered.
The Chesterton 225™ Standard Cartridge Seal provides a unique, effective solution for applications that require dual sealing with the flexibility to meet some of the most challenging conditions.
The 225 Dual Seal features in-series (tandem orientation) configuration with both inboard and outboard sets of faces oriented in the same direction and the outboard faces sealing on the outside diameter. An in-series dual seal is recommended for higher-pressure applications, and, with its unique face design, it is also perfectly suited for applications with low emission requirements.
Motion-Tolerant Dual Seal for High Reliability in Challenging Environments
Every aspect of the Chesterton 280M design is optimized for high reliability in demanding conditions. This motion-tolerant dual seal:
Withstands run-out and end-play common to mixers, double-ended or vertical turbine pumps, and other rotating equipment
Delivers instant pressure-shift capability that eliminates worries under jarring purge and reverse pressure cycles
Has vibration-isolated faces which thrive under conditions of drag and shear that destroy common seals
Designed with internal cooling that results in stable, long-life sealing
Chesterton 286 Bellows Seal - Double Seal, Cartridge-Style
Chesterton 286 Bellows Seal - Double Seal, Cartridge-Style
Balanced Bellows Seal Design for Harsh Chemical Services
The Chesterton 286 Dual Cartidge-Style Bellows Seal is designed for applications in which the process fluid is incompatible with common elastomers or where the cost of custom O-Rings is prohibitive. This bellows seal is used primarily in the chemical and petrochemical industries.
The high-strength, low-spring-rate bellows core delivers low-heat generation and reliable sealing performance. The self-cleaning rotary bellows design will reduce the clogging associated with sealing fluids with solids in suspension. The tandem bellows arrangement provides maximum pressure capability and safety performance.
Optimised Sealing Concept for Plant-Wide Standardisation.
This single cassette mechanical seal is engineered to meet the majority of plant-wide applications with excellent reliability. All wearing parts are contained in a single, replaceable cassette unit with a common, universal gland. Repairs involve only an exchange of cassettes.
Streamlines inventory and simplifies pump seal selection
Reduces installation complexity and minimizes total maintenance costs
Extremely stable seal faces cooled effectively with an advanced multi-port design
This tandem seal uses a high-flow pump device, which assists in heat removal. The tandem configuration is engineered for high-pressure sealing. All wearing parts are contained in a single, replacement cassette unit. With a common universal gland, repair is a simple matter of exchanging cassettes.
Accommodates Loss of Barrier Gas for Greater Sealing Reliability
Chesterton has developed technology that makes the use of a gas seal easy and intuitive. The 4400 delivers higher reliability with lower gas consumption than conventional gas-lubricated seals.
Transitions to a traditional liquid seal in the event of the loss of barrier gas and recovers to a gas seal upon restoring the barrier gas
Compact flush mount design that does not require modification of the stuffing box; fits more equipment types than conventional gas seals
Innovative in-Gland Control System (IGCS) dynamically controls gas pressure to process pressure
Chesterton’s 891 is a balanced, high-performance component single seal. The 891 can be run against many different stationary seal rings for maximum flexibility in many applications. It is a non-fretting design that will not damage the shaft sleeve or any metal parts within the seal.
Chesterton 491 DIN Rotary Internal Single Seal (Global)
Chesterton 491 DIN Rotary Internal Single Seal (Global)
General Purpose, Single Component Seal.
This high-performance, single rotary seal is capable of addressing a wide variety of applications.
The Chesterton 491 can be run against many different stationary seal rings for maximum flexibility in many applications. The non-fretting design will not destroy the shaft sleeve or any metal parts. The 491 has a balanced O-Ring design with anti-clog features, springs out of the fluid, dynamic O-Ring moves on a clean surface.
Engineered for harsh, heavy consistency slurry environments, this seal’s unique, no-clog design reduces or eliminates costly external seal flushes. The Chesterton 170 improves plant efficiencies by reducing product dilution and increasing production rates.
170 ISO is an off-the-shelf product that fits directly to ISO-3069-H and ISO-3069-C seal chambers.
Designed for heavy, high-solids slurry sealing
Non-clog design enhances seal reliability
Innovative pressure plate system keeps the springs entirely outside the seal
Engineered to operate in harsh, heavy consistency slurry environments and eliminate costly external seal flushes in the majority of applications.
Chesterton 170L is designed for sealing mineral-based process materials such as ores, limestone, coal, sugar, and phosphates. The innovative, non-clog seal uses a unique coil spring design in which the springs are located entirely outside the seal. It is engineered to fit Warman® AH® series pumps without modification.
The 170L uses a single clamping screw which simplifies seal removal in sticky or viscous fluids or where solids clog up the set screws. This seal has large clearance and rugged components designed to resist the effects of heavy slurry environments.
Non-Clog Design for Sealing Light-to-Medium Consistency Slurries.
This slurry seal’s unique, non-clog design allows for maximum shaft motion without hang-up and flush-free service for particulate and fibrous slurries.
The Chesterton 156 has large clearances and a rugged diaphragm design with built-in flexibility to accommodate increased tolerances. This seal design uses unique finger springs which are located entirely outside the seal.
We can help you choose a reliable and efficient solution for your requirements
