Mechanical Seals
M Seals offers a wide range of industry standard mechanical seal types and has extensive experience of providing equipment specific mechanical seal replacements for all major global pump manufacturers. FDA specified compliant materials are also available for seals used within the Food and Beverage industry.
Superior Quality
Our design capability combined with an extensive in-house electronic production and inspection control system gives us absolute quality, traceability and cost control of our products.Fast deliveries
Over 80,000 mechanical seals available for same-day despatch. We understand how important it is for you to get your pump or engine up and running again.Custom design
We can supply special mechanical designs to fit your specific dimensional needs. Our engineers work with you to address and solve critical sealing problems.Mechanical Seal Types
- Single Spring Mechanical Seals
- Multi-Spring Mechanical Seals
- Cartridge Mechanical Seals
- Metal Bellows Mechanical Seals
- Elastomeric Bellows Mechanical Seals
- Split Mechanical Seals
Range
Description
The OEM Mechanical Seal supports the maintenance and repair market for OEM pumps, compressors and rotating equipment. These designs are improved to address common issues, providing reliable and high-quality seals. The OEM Mechanical Seal series offers a comprehensive range of options to meet various requirements, making it an excellent choice for effective maintenance and repair of OEM equipment.
Conical 'O'-Ring Mounted Mechanical Seals are versatile and well-suited for pumps, compressors, mixers and agitators. Available in DIN and standard dimensions, these seals offer reliable performance and prevent leakage. Their conical shape allows for easy installation and alignment. With rigorous testing, these seals ensure durability and efficiency in demanding operating conditions, contributing to equipment productivity. 
Parallel 'O'-Ring Mounted Mechanical Seals are robust and versatile, making them suitable for marine, paper, refrigeration, wastewater and textile industries. Available in both imperial and metric sizes, these seals provide reliable sealing performance in demanding environments. Their durable construction ensures long-lasting performance, preventing leaks and ensuring system integrity.
Water Pump Mechanical Seals are low-cost, yet highly reliable sealing solutions commonly used in large quantities for the production of pumps for pools, showers, irrigation and heating systems. These seals provide excellent sealing performance specifically tailored for water applications. With their cost-effectiveness and dependable sealing capabilities, water pump mechanical seals are a popular choice for various water-related industries. 
The highly versatile Mechanical Elastomer Bellows Seal is suitable for nearly any application and performs exceptionally well when handling media containing solid particles, thanks to its non-clogging design. This seal provides reliable sealing performance in diverse operating conditions, making it an excellent choice for a wide range of industrial applications.
The balanced and unbalanced Multiple Spring Mechanical Seals are designed for demanding applications. If you are dealing with a corrosive environment, this seal is the ideal choice. It features a standard design with stainless steel construction, ensuring durability and resistance to corrosion. These seals provide reliable sealing performance in challenging conditions, making them ideal for demanding industrial applications. 
The Diaphragm Mechanical seal is a single spring seal with an elastomer membrane, designed for demanding applications. Its range of sizes covers all standard shaft and housing dimensions, ensuring compatibility with various equipment. These seals offer reliable sealing performance and are suitable for use in challenging operating conditions. With its durable construction and versatile sizing options, the Diaphragm Mechanical seal is a reliable choice for a wide range of industrial applications. 
Wave Spring Mechanical Seals are compact and smart bi-directional seals designed for applications with limited space, such as rotating lobe pumps. Their hygienic properties make them ideal for pumps used in the food, dairy, brewery and pharmaceutical industries. These seals provide reliable sealing performance while occupying minimal space. With their compact design and suitability for industries with stringent cleanliness requirements, wave spring mechanical seals are a preferred choice for various critical applications.
The easily installed Cartridge Mechanical Seals feature a balanced design with multiple springs and an O-ring-mounted cartridge. They are available with various bolt combinations and, of course, flush ports. These seals offer convenient installation and provide reliable sealing performance. The cartridge design simplifies maintenance and replacement, reducing downtime. With the availability of different bolt combinations and flush ports, these seals can be customised to suit specific application requirements, ensuring optimal performance and longevity. 
Stationary Mechanical Seals are essential components used in various industrial applications. These seals are designed to provide a reliable and stationary sealing solution between two stationary surfaces, such as pump casings or gearbox housings. They effectively prevent leakage and maintain the integrity of the system. Stationary mechanical seals are available in different designs and materials to suit specific requirements and operating conditions. These seals play a crucial role in ensuring the efficiency, safety and longevity of equipment in a wide range of industries, including manufacturing, oil and gas, chemical processing and more. Customised mechanical seals
Mechanical seals can be customised to meet specific application requirements. Customisation may involve selecting the appropriate materials, sizes and designs to ensure compatibility with the fluid being transferred, the operating conditions of the equipment, and the industry standards and regulations.
Customisation may also involve creating specialised seals for unique applications, such as high-pressure or high-temperature environments, or for specific industries, such as the food and beverage or pharmaceutical industries, which may require specialised materials for compliance with regulations.
In addition to customisation for specific applications, mechanical seals may also be designed for specific equipment types, such as pumps or mixers, to ensure optimal performance and longevity.
Take a look at our engineered sealing solutions or contact us for more information about custom seals.