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Chesterton 155 & 255 Standard Cartridge Single Seal
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.
Features:
- Adjustable/removable gland tabs
- 360-degree flush port rotation
- Quick-release centering straps
- Available in special alloys
- Dynamically stress-relieved narrow profile faces
The Chesterton 255 cartridge-style double 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.
Features:
- Geometric double balance eliminates shifting O-Rings
- High-flow pumping device
- Features from brochure
- Self-Centering Lock Ring™ eliminates misalignment
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Chesterton 170 Slurry Single Cartridge Seal
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.
Features:
- Runs longer in heavy abrasive slurries without the need for flush or quench water
- Non-clog pressure plate design
- Springs located entirely outside the seal
- Simple, robust design
- Micro-polished seal faces
- Optimal balance for slurry service
- Easy to maintain
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Chesterton 170L Slurry Cartridge Single 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.
Features:
Runs longer in heavy abrasive slurries without the need for flush or quench water
-Non-clog pressure plate design
-Innovative pressure plate design
-Springs located entirely outside the seaReliable design that addresses real life slurry pumping conditions
-Micropolished O-Ring surfaces eliminate O-Ring hang-up
-Optimal balance for slurries
-Line-to-line slurry faces
-Stationary springs
-High strength drivesEasy to maintain
-Single clamping screw simplifies seal installation and removal
-Integrated centering tabs
-Washable in-service
-In-field repairable
-No quench and drain needed -
Chesterton 1725A Food Process Packing
Chesterton 1725A Food Process Packing is constructed with expanded PTFE yarn and a specially-designed lubricant to provide superior sealing capability in rotating equipment. Its interbraid construction ensures maximum strength as well as minimal wicking of fluid through the packing.
Chesterton 1725A complies with the USDA requirements for minimal food contact and FDA specification 21 CFR, 178.3297, 177.2800, and 177.1550. This packing has been approved by NSF International; it meets the requirements of Standard 61 for use in potable drinking water systems, as well as the ACS Certification for drinking water.
1725A is applicable for use in pumps, agitators, mixers, and other rotary and reciprocating equipment.
Features & Benefits- Meets USDA requirements for minimal food contact
- Meets FDA requirements 21 CFR 178.3297,21 CFR 177.2800,21 CFR 177.1550
- Approved by NSF/ANSI and ACS standards for use in drinking water systems
- Completely inert to most materials
- Handles high shaft speeds
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Chesterton 1727 Multi-Lon Synthetic
Chesterton, 1727 Multi-Lon® is a synthetic packing designed specifically for general service pump applications. It is able to deliver performance equal to synthetics with the pliability of asbestos. Unlike the first generation of synthetic packing, Multi-Lon does not suffer from limitations that prevent general service use. Multi-Lon consists of inter-braided, continuous, synthetic thermoset fibers immunized with PTFE lubricant and a special silicone-free, break-in, sacrificial lubricant.
- Unlike many synthetic yarns, it does not cause severe scoring
- Does not cause electrolytic pitting like carbon or graphite yarns
- Does not have the shaft speed limitations or the elongation/ extrusion problems often associated with PTFE fiber yarns
1727 Multi-Lon Benefits & Features:
- High chemical resistance
- Long-wearing for fewer repacks
- Non-staining; protects product quality
- Non-hardening for fewer adjustments
- Non-abrasive; less sleeve wear
- Non-pitting; saves shafts
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Chesterton 1730 Mill Pack
Chesterton 1730 Mill Pack™ thermoset fiber packing provides outstanding heat resistance while maintaining excellent leakage control and reduced power consumption. Rugged, easy-to-use thermoset fiber packing controls leakage effectively while it is kind to shafts. 1730 Mill Pack provides high reliability in the most demanding applications. It is resistant to heat and will not glaze like common paper mill packing, even at high shaft speeds.
Mill Pack Features & benefits
- Easy and fast break in
- Abrasion resistant while non-scoring
- Strong chemical resistance
- Excellent heat resistance
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Chesterton 1730SC Silicone Core Packing
Chesterton 1730SC packing combines a resilient silicone rubber core with the heat-resistant thermoset fiber of Chesterton’s MillPack 1730. The elastic, rubber core gives the packing better memory, allowing it to withstand radial shaft motion and vibration while maintaining excellent leakage control with minimal gland adjustments.
Rugged as well as easy to use and break in, 1730SC is designed for use in general service rotating equipment such as agitators, blenders, mixers, or any other applications that undergo shaft deflection in normal operating conditions.
Features & Benefits- Rugged, easy-to-use general service packing
- Withstands radial shaft motion and vibration
- Handles shaft / bore eccentricity
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Chesterton 1740 Inter-Braid Packing
Chesterton 1740 is an inter-braided packing using aramid fibern with PTFE and other lubricants.* Each strand of yarn has been individually coated in order to dissipate heat. 1740 can be installed as full sets to offer combined resistance to pressure, temperature, chemicals, and wear. 1740 braided packing is also used as back-up rings for added extrusion resistance in abrasive applications.
Features & Benefits- Excellent extrusion resistance in abrasive applications
- Non-staining, non-contaminating
- Non-asbestos, multi-service packing
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Chesterton 1760 Chemical Packing
Chesterton 1760 is a unique packing consisting of a PTFE yarn lubricated with graphite particles that dissipate heat. The finished packing is further lubricated with a special silicone oil for quick break-in.
1760 Chemical Packing Features & Technology:
- Excellent chemical resistance
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Chesterton 1765 White ePTFE Chemical Packing
Chesterton 1765 is ideally suited for bleach pumps and other rotary applications requiring a white, non-staining packing. Constructed from chemically resistant, expanded PTFE material, this packing demonstrates higher speed performance capabilities than traditional PTFE materials for improved performance in a wide range of applications. Chesterton 1765 is ideal for rotary applications where chemical resistance is required and process needs to remain non-contaminated, such as ClO2 pumps, paper stock, and feeders.
Features & Benefits- Non-staining
- Superior chemical resistance
- Low friction for improved speed capability
- Longer packing life
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Chesterton 180 & 280 Heavy-Duty Cartridge Seal
Chesterton 180 Heavy-Duty Cartridge Single SealGreater Sealing Reliability for a Wide Range of ApplicationsA heavy-duty single cartridge seal specifically designed for maximum reliability in demanding applications. The full-featured gland provides quench and drain capability. Designed to fit ANSI pumps with no modifications for ease of use.
Features:- Maximum performance for demanding, high-torque applications
- Reliable sealing of slurries
- Certified to NSF/ANSI 61
Chesterton 280 Cartridge Double Mechanical SealHeavy Duty Capabilities for Difficult ApplicationsThis 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.
Features:
- High-reliability sealing
- Maximum solids handling capability
- Superior performance for demanding applications
- Motion tolerant for mixer applications
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Chesterton 180H Single Cartridge Seal
An exceptional high temperature seal, the Chesterton180H Single Cartridge Seal uses an advanced hydropad geometry seal face that improves film formation between the mechanical seal faces and significantly enhances face lubricity. The increased film formation between the faces reduces heat generation and increases seal life in many high temperature applications.
Hydropad designs are useful in high-pressure applications—where pressure has a tendency to distort the seal faces and where the face velocity increases heat generation and in sealing fluids that have poor lubrication properties. Hot water applications are a prime area where hydropad technology can be utilized to improve sealing reliability. The 180H seals water at high temperature without environmental controls to temperatures up to 260°C (500°F).
Features:
- A high temperature seal also designed for high speed and pressure
- External cooling requirements are not needed for most applications, eliminating support equipment
- Advanced hydropad geometry minimizes seal facewear and distortion
- Reduces the frictional seal face heat concerns common with standard contacting seal face designs
- Hydropad geometry increases pressure velocity parameters over standard seal face designs
- Compact cartridge design for easy and reliable installation
- Use where external cooling is intermittent, limited, or unavailable
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