Vulcan Seals

Mercer Gasket & Shim is an authorized distributor of mechanical seals manufactured by Vulcan Seals. We are proud to offer these highly engineered mechanical seals.  Vulcan Seals is a trusted manufacturer having been at the forefront of sealing technology for over three decades.  Contact us to speak with the Mercer team and to learn more about our mechanical seal solutions.

1. Conical Spring ‘O’-Ring Mounted Mechanical Seals:
   • Description: These seals utilize a single conical spring to provide axial force, and an O-ring for secondary sealing. They’re commonly used in general-purpose applications.
   • Key Advantage: Unparalleled flexibility and misalignment compensation, ensuring reliable performance in diverse applications.



2. Elastomeric Bellows Mechanical Seals:
   • Description: These seals employ an elastomeric bellows as the secondary sealing element and spring. The bellows provide flexibility and compensate for shaft misalignment and vibration.
   • Key Advantage: Robust, non-fretting, and non-clogging design, ideal for media with solids and hygienic applications.



3. Parallel Spring Diaphragm Mechanical Seals:
   • Description: These seals use a parallel spring and a diaphragm as the secondary sealing element. They are designed for applications with high pressures and temperatures.
   • Key Advantage: Highly proficient and adaptable, covering all standard pump shaft, working length, and housing size ranges.



4. Balanced Diaphragm Mechanical Seals:
   • Description: A variant of the diaphragm seal, these are designed to reduce the hydraulic load on the seal faces. Balancing reduces heat generation and wear.
   • Key Advantage: Superior design and hydraulic balancing significantly reduce heat and friction, enabling higher operating parameters and extended seal life.



5. Parallel Spring ‘O’-Ring Mounted Mechanical Seals:
   • Description: Similar to conical spring types, but utilize a parallel spring for axial force. They provide more consistent face loading.
   • Key Advantage: Robust design with a guaranteed secure and efficient drive, ensuring optimal performance and durability.



6. Multiple Spring Mechanical Seals:
   • Description: These seals use multiple springs to provide axial force. This design is often used in high-pressure and high-speed applications.
   • Key Advantage: Designed for the most challenging industrial duties, with minimal distortion at high speeds and consistent face pressure.



7. Wave Spring Mechanical Seals:
   • Description: These seals use a wave spring, which provides a compact and low-profile design. They are often used in applications with limited space.
   • Key Advantage: Consistent, lower force on seal faces and non clogging design increases seal life and reliability, especially in viscous or crystallizing media.



8. Water Pump Mechanical Seals:
   • Description: Specifically designed for water pump applications, these seals are typically cost-effective and reliable.
   • Key Advantage: Superior seal material selection provides a cost-effective and reliable solution for light-duty applications.
9. OEM Replacement Range Mechanical Seals:
   
   • Description: These are seals designed to replace original equipment manufacturer (OEM) seals. They are designed to match the dimensions and performance of the original seals.
   • Key Advantage: Direct, high-quality replacements designed for optimal resistance to abrasive media and compliance with industry regulations.



10. Stationary Types and Clamp Ring Seals:
    • Description: Stationary seals feature a stationary face, and clamp ring seals use a clamp ring to secure the stationary component. These are used in a variety of applications, often where the seal housing has specific mounting requirements.
    • Key Advantage: Vast range of stationary design options and clamp rings to ensure compatibility with diverse equipment seal chambers.