Pilot Operated Safety Valve

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Pilot Operated Safety Relief Valve

The Pilot Operated Safety Valve is a specialized pilot safety valve designed to provide reliable protection against overpressure in various industrial applications. This type of pilot safety valve is commonly used in the oil and gas, petrochemical, and power generation industries, among others.

One of the key benefits of a Pilot Operated Safety Relief Valve and Pilot Safety Valve is its accurate pressure control along with its ability to handle high pressure. The valve uses a pilot valve to control the main valve, allowing for a more precise release of pressure which makes it a suitable option for suitable applications where precise pressure control is crucial, such as in boilers and pressure vessels. Pilot Valve manufactured by Darshan Valve & Controls is designed to handle tough pressures up to 6,000 PSI, making it suitable to use in severe conditions. The Pilot Operated Safety Valve is also known for its robust construction and is also relatively easy to maintain and can be serviced without the need for specialized tools.

When it comes to pilot operated safety valves India has a strong market for it. There are several manufacturers in India like Darshan Valve & Controls who produce and supply high-quality pilot operated safety valves for various industrial applications. They also offer customization options to cater to the specific needs of their customers in the international market.

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Modulating Pilot Operated safety Relief valve

We are India’s best manufacturer of Modulating Pilot Operated safety Relief valve in india at low cost. Our Modulating Pilot Operated Safety Relief Valve (MPOSRV) is a type of safety valve commonly used in industrial settings to protect equipment, vessels, and systems from overpressure conditions. This valve is controlled by a pilot system, which senses the pressure in the system. When the pressure exceeds a predetermined setpoint, the pilot valve opens. The modulating action of the valve helps to regulate the pressure within the system more efficiently. It can adjust its opening degree according to the severity of the overpressure condition, maintaining the pressure within safe limits.

Modulating Pilot Operated safety Relief valves provide finer control over pressure relief compared to conventional relief valves. By modulating their opening based on the severity of the overpressure condition, they can maintain pressure within narrow tolerances, optimizing system performance. Many industrial sectors are subject to regulations governing pressure relief and safety standards. MPOSRVs can be engineered to meet specific regulatory requirements, ensuring compliance and providing peace of mind for operators and regulators alike.


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Advantages of Pilot Operated Safety Valve

  • High Accuracy and Set Pressure Control:
    POSVs offer precise control of set pressures, enabling them to operate close to the system's maximum allowable working pressure (MAWP).
  • Reduced Leakage:
    POSVs have tight seals that reduce or prevent leakage, which is especially beneficial for handling toxic or costly fluids. This also minimizes maintenance costs related to leak repair and reduces environmental hazards.
  • Greater Stability under Pressure Fluctuations:
    These valves can maintain stability and consistent operation even when the system undergoes pressure fluctuations, providing reliable protection without premature activation.
  • Compact Design:
    POSVs generally have a more compact design compared to spring-loaded valves with equivalent capacity, which can simplify installation and save space, particularly in systems with limited room for equipment.
  • Reduced Maintenance Requirements:
    With fewer moving parts and less susceptibility to wear, POSVs often require less frequent maintenance than conventional relief valves, lowering operational costs and downtime for inspection and repair.
  • Minimized Blowdown:
    POSVs can be configured to have a very small blowdown, meaning they can reclose with minimal pressure loss once the system pressure returns to safe levels. This helps maintain system pressure, improving operational efficiency.
  • Enhanced Safety:
    The pilot valve system prevents the main valve from opening prematurely, enhancing safety by ensuring the valve only opens at the designated pressure. This prevents damage to the system and reduces the risk of accidents.
  • Energy and Cost Efficiency:
    POSVs can improve system efficiency by allowing closer operation to the maximum pressure, thereby reducing energy consumption. Their lower maintenance requirements and longer service life contribute to cost savings over time.

Application of Pilot Operated Safety Valve

  • Oil and Gas Industry
  • Chemical and Petrochemical Plants
  • Power Generation
  • Pharmaceutical and Food Processing Industries
  • Aerospace and Defense
  • Water Treatment Plants
  • HVAC and Refrigeration Systems

Faq's of Pilot Operated Safety Valve

  • 1. What is a Pilot Operated Safety Relief Valve (POSRV)?
    A POSRV is a type of pressure relief valve that uses a pilot valve to control the opening and closing of the main valve. It helps relieve excess pressure in systems by releasing pressure through the main valve when set limits are exceeded.
  • 2. What industries use Pilot Operated Safety Relief Valves?
    POSRVs are widely used in industries such as oil and gas, chemical and petrochemical, power generation, aerospace, water treatment, HVAC, and food processing. They protect pressurized systems and equipment from overpressure situations.
  • 3. What materials are Pilot Operated Safety Relief Valves made from?
    Pilot Operated Safety Valves are typically made from materials like stainless steel, carbon steel, and other corrosion-resistant alloys. The material choice depends on the application, pressure level, and the fluids handled.
  • 4. How does a Pilot Operated Safety Valve work?
    POSRVs use a small pilot valve that senses pressure in the main valve chamber. When pressure reaches the set limit, the pilot valve opens, allowing the main valve to release the excess pressure. When the pressure returns to normal, the pilot closes, resealing the main valve.