Your Professional Brass Relief Valve Supplier
Our goal is to become your true partner in the field of brass relief valve in China. Zhejiang Yuanlun Valve Co., Ltd. has become a professional manufacturer of HVAC valves integrating design and development, production and processing, and sales and trade, as well as a modern enterprise with scientific management. We have a skilled engineering team dedicated to refining every stage, from product development and process improvement to production oversight, ensuring every product delivered meets rigorous quality and performance standards. The price is competitive and the product is quality-assured, which is a good choice for your long-term cooperation.
-
![Piston Type Pressure Reducing Valve]()
Piston Type Pressure Reducing ValvePlace of origin: Chinaview more
Brand name: Yunnl
Product Name：Piston type pressure reducing valve
Size：DN15-DN50 ... -
![Screw-type Pressure Reducing Valve]()
Screw-type Pressure Reducing ValvePlace of origin: Chinaview more
Brand name: Yunnl
Product Name：Screw-type pressure reducing valve
Size：DN15-DN50 ... -
![Bypass Differential Pressure Valve]()
Bypass Differential Pressure ValvePlace of origin: Chinaview more
Brand name: Yunnl
Product Name：Bypass differential pressure valve
Size：DN20-DN50 ...
Why Choose Us
Our certificates: Our company has successively obtained ISO9001 quality management system certification, ISO14001 environmental management certification, occupational health and safety management certification, national authority-quality inspection qualified product certification, multiple utility model patents, design patents, EU CE certification and other certificates.
Production market: Our company actively expands domestic and foreign markets, and its products are exported to Europe, America, the Middle East and other regions, winning wide recognition from domestic and foreign customers.
Production equipment: Our company's production equipment includes special machine tools for gate valve sealing surfaces, five-station turntable special, large CNC lathes, four-station turntable special machines, three-station turntable special machines, center hole processing machines, eight-station rotary table machine tools, etc.
Our services: In the pre-sales stage, our team of experts will recommend the most suitable products according to the needs of customers and provide detailed technical consultation. During the sales period, we ensure timely delivery and provide installation guidance. For after-sales, we provide long-term technical support, warranty services and spare parts to help customers maximize the use of products and get reliable maintenance during use.
Advantages of Brass Relief Valve
Their primary function is to provide a controlled outlet for pressures that could otherwise damage or burst a system.
Brass, being an alloy of copper and zinc, is naturally resistant to corrosion, making these valves durable in environments where moisture is prevalent.
Brass is renowned for its long lifespan, translating to a reduced need for valve replacements and system downtime.
Brass has high thermal conductivity, making it excellent for systems with rapid temperature changes, ensuring that the valve will respond quickly to pressure changes caused by temperature fluctuations.
Despite their crucial role and the benefits of brass, these valves are relatively affordable, especially when considering their longevity and the potential cost savings from preventing system failures.
Types of Brass Relief Valve
Brass pressure relief valve: Pressure relief valves are used to get rid of excess pressure from a closed system when activated manually. For equipment like pressure tanks or boilers, prvs prevent dangerous overpressure.
Thermal relief valve: Sometimes in closed-loop systems thermal expansion of fluid causes high pressure. In this scenario, a thermal relief valve is employed to protect the system from extra pressure.
Hydraulic pressure relief valve: To ensure that the hydraulic system operates within its design limits having a hydraulic pressure relief is necessary. Without a properly functioning relief valve, high pressure could cause equipment failure, leaks, or even damage to the system.
Brass air relief valve: An air relief valve is used in systems where air or gas can accumulate or and it needs to be released for safety purpose. By preventing air locks air relief valves maintain the flow of fluids, and protect the system from pressure-related issues. Such as brass air vent valve.
Water relief valve: Mainly used in water distribution systems, water relief valves can help avoid pipe bursts or leaks due to excessive pressure and operational disruptions.
Specification of Brass Relief Valve
|
Certifications |
ASME |
|
Connection Type(s) |
MNPT |
|
Connection Size(s) |
3/8 in. |
|
Item Length |
2 |
|
Item Width |
0.65 |
|
Item Height |
0.65 |
|
Material |
Brass, FKM, Viton |
|
MPN |
PRV-ST33-0V050 |
|
Warranty |
Yes |
|
Pressure Rating |
50 psig |
Features of Brass Relief Valve
Simple structure and reliable performance: The spiral pressure reducing valve adopts a direct-acting diaphragm-type structure. Its internal structure is simple, free from jamming issues, ensuring reliable performance and long-lasting durability.
Dirt-resistant and scale-proof: Due to its simple structure, it is less prone to scale buildup. Therefore, it does not require a filter or bypass pipe, simplifying the piping layout and saving a significant amount of space and piping costs.
Precisely adjustable outlet pressure: The outlet pressure of the spiral pressure reducing valve can be precisely regulated. Even under normal operating conditions, it can maintain the outlet pressure stable, unaffected by fluctuations in the inlet pressure.
Excellent hydraulic characteristics: It boasts excellent hydraulic characteristics, with minimal pressure loss. The pressure reduction ratio can reach 10:1 or higher.
Suitable for multiple media: It is applicable to various media such as steam and compressed air, and can operate within different temperature ranges.
Application of Brass Relief Valve
Application in underfloor heating systems
In underfloor heating systems, the bypass differential pressure valve is typically installed on the return water main pipe near the manifold. When some circuits of the underfloor heating system are closed, the water flow rate within the system changes, leading to an increase in differential pressure.
Application in central air conditioning systems
In central air conditioning systems, the bypass differential pressure valve is usually installed between the water distributor and the water collector. Its role is to prevent the differential pressure between the supply and return water from becoming excessively high or low, ensuring that the system maintains a stable differential pressure during full-load or partial-load operation.
Components of a Brass Relief Valve
You can break a brass safety relief valve into three sections: The head, body, and inlet or leg.
On the head section, there is a cap covering the inner mechanism. Right underneath the cap, you will see a set pressure adjustable nut. This nut will allow you to adjust and set the pressure limit. In addition, there is a metal rod called steam.
Inside the body, you will notice a spring or metal spindle with two plates on either side. The steam runs through them and makes them work together with the spring. Also, another plate at the bottom of the steam is bigger than the spring plates.
The bonnet has threads inside at both ends. Upperside threads meet the steam threads below the adjustable nut. This is for making sure that the nut cannot move inside the valve body. The lower-sided bonnet thread connects the inlet port or nozzle with the valve.
Packing and Shipping of Brass Relief Valve
|
Packing |
Wooden box |
|
Shipping |
Shipped by road, sea, rail |
FAQ
We're professional brass relief valve manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to wholesale brass relief valve for sale here from our factory. Contact us for free sample.
brass relief valve
