Manway Pressure Relief Valves

Manway Pressure Relief Valves




Overview: MIXSYS offers Manway Pressure Relief Valves designed to open at specific pressure thresholds to safeguard pumps and pipelines from exceeding stress limits. These valves play a crucial role in protecting tanks against rupture or explosion caused by excessive internal pressures, such as those resulting from fire or other emergencies.

Key Features:

  • Pressure Relief Function: Opens at a predetermined pressure to release excess pressure and prevent the tank from reaching dangerous levels.
  • Protection Against Overpressure: Safeguards pumps and pipelines from stress and potential damage caused by excessive internal pressure.
  • Tank Safety: Ensures the integrity of the tank by preventing rupture or explosion under high-pressure conditions, enhancing overall safety.

Customizable Designs:

  • MIXSYS designs and manufactures its own line of Pressure Regulating Valves, ensuring high-quality performance and reliability.
  • Available in various materials, including stainless steel (316 or 303) and exotic alloys (Titanium, Alloy 20, Monel, or Hastelloy), based on specific requirements and applications.
  • Customizable configurations to suit different pressure thresholds, flow rates, and environmental conditions.


  • Industrial Tanks: Used in industrial applications to protect tanks and vessels from overpressure situations, ensuring safe and efficient operations.
  • Pipelines: Installed in pipelines to regulate pressure and prevent damage to pumps and other equipment.
  • Process Industries: Commonly used in process industries such as chemical, petrochemical, pharmaceutical, and food processing plants.


  • Safety Assurance: Provides a critical safety mechanism to prevent catastrophic failures due to overpressure events.
  • Reliability: Manufactured with high-quality materials and precision engineering for reliable performance in demanding environments.
  • Customization: Tailored designs and materials options to meet specific application requirements and performance criteria.
  • Compliance: Ensures compliance with industry standards and regulations for pressure relief and tank safety.

Conclusion: MIXSYS Manway Pressure Relief Valves offer essential protection for tanks, pipelines, and process equipment, safeguarding against the risks associated with overpressure situations. With customizable designs and high-quality construction, these valves provide reliable performance and ensure the safety and integrity of industrial operations.