Pressure Safety Valve Manufacturer

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Pressure Relief Valve Supplier in Gujarat, India

"Darshan Valve & Controls" is a well-known provider of premium pressure safety valves created to shield people and equipment from hazardous over-pressure circumstances. For many industrial and commercial applications, such as pressure vessels, boilers, and other machinery that operates at high pressures, these valves are a crucial safety component.

Even "Darshan Valve & Controls'" pressure safety valve is built to automatically release pressure if it rises over a specific point, shielding the machinery and workers from any risks. Additionally, these valves contain a manual reset mechanism that makes it simple to reset them after activation. With the help of this innovation, the valves may be swiftly and simply put back into use, reducing downtime and increasing production.

The superior design and adaptability of pressure safety valves from "Darshan Valve & Controls" are two of its main advantages. Only the best materials and components are used in the construction of these valves, guaranteeing that they can resist the rigorous use and keep their accuracy over time. Furthermore, "Darshan" valves are made to be simple to install and maintain, making them a fantastic option for both seasoned and novice users.

Description of Pressure Relief Valve :

A Pressure Relief Valve (PRV) is a safety device designed to protect a system from excessive pressure. It automatically releases pressure when it exceeds a preset limit, preventing damage to the system or potential accidents. These valves are used in various industries, including oil and gas, chemical processing, water supply, HVAC systems, and boilers.

Key Features and Functions:

  • Safety Mechanism: The primary function of a PRV is to prevent pressure from rising beyond a certain threshold, which could cause equipment failure or hazardous situations.
  • Automatic Operation: When the pressure in a system rises above the valve's setpoint, the valve opens to allow excess pressure to escape. Once the pressure drops to a safe level, the valve closes automatically.

Types of Pressure Relief Valves:

  • Spring-loaded PRVs: These use a spring to hold the valve closed. When the set pressure is reached, the spring is compressed, allowing the valve to open.
  • Pilot-operated PRVs: These use a pilot valve to control the opening and closing of the main valve. They can offer more precise control and handle higher pressures.
  • Balanced PRVs: These are designed to maintain constant set pressure despite variations in inlet pressure.
  • Materials and Design: Pressure relief valves are typically made of durable materials such as stainless steel or other corrosion-resistant alloys to withstand high pressures and extreme environments. The design often includes a spring, a diaphragm, a disc, and a seat to control the opening and closing action.
  • Adjustable and Fixed Settings: Some valves allow for adjustment of the pressure setting, while others are pre-set from the manufacturer for specific applications.

Specifications of Pressure Relief Valve:

1. Set Pressure (Relieving Pressure)

  • Definition: The pressure at which the valve begins to open.
  • Units: Usually specified in psi (pounds per square inch), bar, or kPa. Importance: The valve is set to open at a pressure higher than the system’s normal operating pressure but below the maximum safe pressure.

2. Differential Pressure

  • Definition: The difference between the set pressure and the pressure at which the valve closes after relieving the excess pressure.
  • Units: psi or bar.
  • Importance: This specification indicates how much the system pressure can drop before the valve closes.

3. Flow Capacity (Relieving Capacity)

  • Definition: The maximum flow of fluid (liquid or gas) that the valve can handle while relieving excess pressure.
  • Units: Typically measured in GPM (gallons per minute), SCFM (standard cubic feet per minute), or m³/h.
  • Importance: Ensures that the valve can handle the required flow without overloading the system.

4. Material of Construction

Common Materials:

  • Stainless Steel
  • Carbon Steel
  • Brass
  • Alloy Steel
  • Bronze

5. Temperature Range

  • Definition: The range of temperatures in which the valve can operate effectively without damage.
  • Units: °C or °F.
  • Importance: Ensures the valve performs properly in extreme temperature conditions, whether in freezing or high-temperature environments.