Mechanical seals play a crucial role in industrial processes by preventing fluid leakage and maintaining system integrity in pumps and rotating equipment. However, these seals can be susceptible to overheating, abrasion and dry running in high-demand environments.
Excessive heat can degrade seals, leading to failure and unplanned maintenance, while excessively cold fluid can increase viscosity and reduce efficiency.
Why Mechanical Seal Support Systems Matter
Mechanical seal support systems mitigate these risks by controlling cooling and lubrication and regulating temperature. These systems ensure that seals operate within an optimal temperature range, reducing wear and extending their lifespan. Without proper temperature management, mechanical seals that rely on cooling water may waste thousands of gallons annually, leading to higher operational costs and increased environmental impact.
A well-designed mechanical seal support system helps
- Maintain continuous and reliable operation
- Minimize system breakdowns due to overheating or dry-running
- Ensure proper lubrication for optimal seal performance
- Prevent excessive wear leading to costly failures
- Improve overall equipment efficiency and longevity
By proactively managing the temperature of seal cooling water, facilities can optimize water consumption, eliminate unnecessary waste and reduce maintenance-related expenses.
The Benefits of a Self-Actuating Mechanical Seal Support Valve
One effective solution for protecting pump seals is a thermostatic seal support valve. Installed on the seal’s water outlet, this valve automatically regulates a constant water outlet temperature, ensuring it remains within the ideal operating range. Unlike manually adjusted or electronically controlled systems, this self-actuating valve operates independently, responding in real time to temperature fluctuations.
Seal support valves monitor water temperature and automatically adjust the water required, preventing overheating and seal failure. Since they operate thermostatically, there is no need for external power or continuous human oversight, reducing operational errors such as manually opening or closing water valves.
Key Advantages of using Thermostatic Seal Support Valves
- Consistent seal support: Maintains a steady water outlet temperature to protect seals from thermal damage
- Water conservation: Reduces unnecessary water use, lowering operational costs
- Reliable performance: Operates thermostatically without external power, making it ideal for demanding industrial applications
Optimize Pump Seal Performance & Water Usage
Reducing seal water consumption lowers water usage, enhancing system reliability and decreasing maintenance expenses.
Seal support valves protect seals by using water only when necessary. As industries continue to seek ways to optimize resource consumption, these valves provide a reliable and cost-effective solution for mechanical seal water management.
The feature ran in the June 2025 issue of PUMPS & SYSTEMS. Read the full feature here.
Download the PDF: The Benefits of Mechanical Seal Support Systems _ Pumps & Systems_June 2025