Water System Pressure Relief Valve
- Body: Ductile Iron (EN GJS-500-7)
- Seat: Stainless Steel (AISI 304)
- O-Ring: Rubber (NBR)
- Bolts: Stainless Steel (A1)
- Washer: Stainless Steel (A2)
- Cover: Ductile Iron (EN GJS-500-7)
- Bush: Brass (CuZn40Pb4)
- Spring: Stainless Steel (AISI 304)
- Nut: Stainless Steel (A2)
- Diaphragm: Rubber (EPDM + Nylon)
- Support Ring: Ductile Iron (EN GJS-500-7)
- Obturator: Ductile Iron (EN GJS-500-7)
- Main Gasket: Rubber (EPDM)
- Seal Ring: Stainless Steel (AISI 304)
- Stem: Stainless Steel (AISI 304)
- Plug: Stainless Steel (AISI 304)
- V-Port: Stainless Steel (AISI 304)
- Precise Set Pressure Control
Pressure relief valves are engineered with precise calibration to ensure they open at the exact set pressure, providing reliable overpressure protection. - Durable Construction
Manufactured from high-quality materials, these valves are designed to withstand harsh operating environments and prolonged use. - Efficient Pressure Relief
The valves provide a quick and efficient release of excess pressure, ensuring system stability and safety. - Wide Application Range
Pressure relief valves are available in various sizes and pressure ranges, making them suitable for diverse industrial applications.
| Parameter | Details |
|---|---|
| Operation | Electrically controlled via solenoid coil |
| Flow Medium | Water, Gas |
| Size Range | DN50 – DN700 |
| Pressure Ratings | PN10, PN16, PN25 |
| Body Material | Ductile Iron (EN GJS-500-7) |
| Seal Material | NBR, EPDM |
| Coating | Powder Epoxy Coating |
| Power Supply | 12V DC, 24V DC, 220V AC |
| Application | Water distribution, industrial fluid control, HVAC, and irrigation systems |
A pressure relief valve is an essential safety device designed to protect pressurized systems from damage due to excessive pressure. By automatically opening at a pre-determined set pressure, this valve ensures that any overpressure is safely discharged, maintaining the integrity of the system and preventing potential hazards. This article provides an in-depth overview of the functionality and importance of these valves in industrial applications, including water pressure relief valves used in water systems.
What is a Pressure Relief Valve?
A pressure relief valve is a mechanical device that controls or limits pressure in a system. When the system’s pressure exceeds the valve’s pre-set limit, the valve opens to release excess pressure, diverting it to a safe outlet. This action ensures the pressure remains within safe operating limits, protecting both the system and its components from failure.
In water pressure relief valves, the design is specifically tailored to control pressure within water systems. These valves ensure that excess water pressure, often caused by system blockages or sudden changes in flow, is safely diverted, preventing damage to pipes, pumps, and other components.
How Does a Pressure Relief Valve Work?
The operation of a pressure relief valve is relatively straightforward but highly effective. It involves the following steps:
-
Spring-Loaded Mechanism
The valve contains a spring-loaded mechanism designed to keep the valve closed under normal operating conditions. The spring is calibrated to a specific set pressure, determining when the valve will open. -
Pressure Relief Activation
When the system’s inlet pressure exceeds the pre-determined set point, the spring compresses, allowing the valve to open. This releases excess pressure through the valve’s outlet port, lowering the system pressure. -
Valve Resealing
Once the system pressure returns to a safe level, the spring force pushes the valve back to its closed position, stopping any further pressure release.
This simple yet effective design ensures that the system operates within safe pressure limits at all times, whether it’s a standard pressure relief valve or a water pressure relief valve.
Why Choose a Pressure Relief Valve?
Investing in a high-quality pressure relief valve ensures:
- System Safety: Prevents overpressure accidents, ensuring the safety of equipment and personnel.
- Equipment Longevity: Protects critical components from damage caused by excessive pressure.
- Operational Efficiency: Maintains stable system performance by effectively regulating pressure.
By selecting the right water pressure relief valve for your system, you can ensure long-term reliability and compliance with safety standards.
Explore Our Product Line and Resources
At Jhy Group, we provide high-quality pressure relief valves designed for maximum safety and performance. Browse our comprehensive product line to find the ideal valve for your system:
- Download Our Product Catalog to explore our full range of pressure control solutions.
- Learn more about pressure control systems with our detailed guide: What Is a Pressure Control Valve.
