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Mechanical Packing and Gaskets

Explore our comprehensive range of mechanical packings and gaskets, engineered to provide reliable sealing for piping, pumps, and valves while boosting system safety and operational efficiency.

Global Packing and Gasket Manufacturers You Can Depend On

Our packings and gaskets are tailored for sealing applications across multiple industries, offering high reliability and performance under extreme conditions. Our products provide effective solutions piping, pumps, and valves, enhancing system safety and efficiency.

Our Product Range

Chesterton® Packing and Gasket Products

Our line of packing and gasketing technology is suited for application in rotating and stationary equipment.

Pump, Mixer and Agitator Packing

Award-winning range of packing solutions for rotating applications where controlled leakage is required.

Valve Packing

Optimise valve performance and reliability with our advanced valve packing solutions, engineered to withstand high steam, extreme pressure, and aggressive chemical environments.

Gasket & Flange Sealing

Durable gasket and flange sealing products for dependable protection against leakage and downtime in a broad range of applications

Sheet Gaskets

Precision-manufactured sheet gaskets for superior sealing performance across various pressures, temperatures and media.

Semi-Metallic Gaskets

Our range of semi-metallic gaskets combine the resilience of soft materials with the strength of metal, delivering robust, reliable sealing with excellent flexibility and recovery for fluctuating conditions.

Advanced Packing Solutions for Reliable Valve and Pump Performance

Our advanced packing combines the latest fiber, lubricant, and braiding technology to deliver exceptional leakage control. Each fiber is individually coated before braiding, eliminating wicking and ensuring longer, leak-free performance with reduced life-cycle costs for valves and pumps. Backed by a state-of-the-art valve testing facility, Chesterton conducts API and ISO protocols and offers extensive services to valve manufacturers. With the ability to simulate critical applications, we help you select the optimal valve and packing solution for your needs.

Robust Gasket Solutions for Every Application

Choosing the right gasket requires consideration of factors such as safety, temperature, pressure, media, equipment condition, and cost. Making the wrong choice can result in leaks, downtime, and added expenses. Chesterton offers a full range of gasket solutions, engineered for applications from water to high temperature, high-pressure conditions. With our expertise and product breadth, we ensure you get the optimal solution to maximise performance and control costs.

The Original Innovators in Live Loading Technology

Chesterton’s Live Loading technology provides engineered sealing solutions for valve packing, pump packing, and bolted gasketed joints exposed to mechanical shock, pressure surges, or thermal cycling. The first company to successfully apply this technology, we bring decades of in-field experience to help keep valves and flanges leak-free under the harshest conditions.

The Chesterton Advantage

Reliable Packing Solutions

Engineered for dependable sealing performance and operational reliability

Fugitive emission compliance

Achieve regulatory compliance and reduce environmental impact

Proven Performance Testing

World-class testing to ensure packing and gasket integrity

Critical Flange Solutions

Engineered sealing for demanding and high-pressure flange applications

Extensive Field Experience

Vast, in-field experience with live loading valves and flanges

Comprehensive Product Range

Diverse packing and gasket solutions for total stationary equipment

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Product Enquiry

If you would like to enquire about our products, please fill in the enquiry form and one of our team member will get back to you as soon as possible.

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Frequently Asked Questions

What is mechanical packing?

Mechanical packing is a sealing material used to control leakage in pumps, valves, mixers, and other rotating or reciprocating equipment. It helps prevent fluid loss while allowing the shaft or stem to move smoothly.

What are gaskets used for?

Gaskets create a tight seal between two stationary surfaces, such as flanges or housings. They prevent leaks, maintain pressure, and protect equipment from contamination or damage.

How do I choose the right packing or gasket?

Selecting the correct packing or gasket depends on the specific operating conditions of your application. Some of these factors include:

  • Operating temperature and pressure
  • Type of fluid or media being sealed
  • Shaft speed or flange conditions
  • Chemical conditions

What materials are available for mechanical packing and gaskets?

Common materials include graphite, PTFE, aramid fiber, carbon fiber, rubber, cork, and compressed fiber sheets. Each material is designed to handle specific temperatures, pressures, and chemical environments.

How often should packing and gaskets be replaced?

The service life of mechanical packing ranges from several months to several years, depending on operating conditions. Regular inspections are recommended, as replacement intervals vary by application. Signs that replacement is needed include visible leaks, loss of pressure, increased friction, or equipment vibration.

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