Jul . 25, 2025 14:38 Back to list

Safety Valve Spring-Loaded Design Overpressure Protection

As a leading wholesaler in gas equipment, Hebei Ouyinuo Gas Equipment Co., Ltd. specializes in providing top-notch safety valve products. Our safety relief valve offerings, featuring a reliable spring-loaded design, are crucial for safeguarding gas systems from overpressure situations. Engineered with precision and adhering to strict safety standards, these valves play an indispensable role in ensuring the secure operation of various industrial and residential applications.

Safety Valve Spring-Loaded Design Overpressure Protection

The Fundamental Principle of Spring-Loaded Safety Valve Design 

  • Core of Safety ValveFunctionality
  • The spring - loaded design is fundamental to how our safety valves
    • Normal Operation Mechanics
  • A spring in oursafety valve models applies a constant force.
  • This keeps the valve closed during normal operating pressure scenarios.
    • Overpressure Response
  • When system pressure surpasses the pre - set limit, gas force overcomes the spring force.
  • The valve then opens to release excess gas.
    • Benefit to the Gas System
  • The immediate response mechanism rapidly restores pressure to safe levels.
  • Protects the integrity of the gas system from overpressure damage.

Reliable Overpressure Protection of Safety Relief Valve

Our safety relief valve provides highly reliable overpressure protection in gas systems. The precisely calibrated spring in each valve ensures accurate activation at the designated pressure point. Whether it's a sudden surge in pressure due to equipment malfunctions or unforeseen operational changes, the safety relief valve swiftly responds, preventing potentially dangerous overpressure scenarios. By effectively releasing excess gas, these valves safeguard connected pipelines, vessels, and other components from damage, minimizing the risk of leaks, explosions, or system failures.

 

Parameter

Value

Set pressure (P1)

1.5 - 30KPa, 30KPa - 0.4MPa

Discharge pressure

≤ 1.05Pf

Reseating pressure

≥ 0.9Pf

Opening height

1/4d (d is flow diameter)

Working temperature

-20℃ ~ +60℃

Series specifications

DN20 (G3/4"), DN25 (G1 1/2"), DN40 (G1"), DN50 (G2")

 

Durability and Long-Term Performance of Gas Safety Valve

Hebei Ouyinuo Gas Equipment Co., Ltd.'s gas safety valve is built to offer long-term durability and consistent performance. Constructed from high-quality materials resistant to corrosion and wear, these valves can withstand the harsh operating conditions typical of gas systems. The spring-loaded mechanism is designed to endure repeated openings and closings without losing its effectiveness. With minimal maintenance requirements, our gas safety valve provides peace of mind to users, ensuring reliable overpressure protection over an extended service life and reducing the need for frequent replacements.

 

Model

Nominal Pass - Through Diam (mm)

L (mm)

H1 (mm)

H (mm)

RFZ - 25

G1"

125

35

150

RFZ - 40

G1 1/2"

160

40

155

RFZ - 50

G2"

180

50

190

Versatile Applications of Spring-Loaded Safety Valve

  • Wide Industrial and Application Scope of Spring-Loaded Safety Valves
  • Our company’ssafety valves are widely used across multiple industries.
    • Industrial Applications
  • Essential for protecting high-pressure gas storage tanks, boilers, and processing equipment in:
    • Chemical plants
    • Refineries
    • Power generation facilities
  • Residential and Commercial Uses
  • Safeguard gas distribution networks, heating systems, and cooking appliances in homes and commercial buildings.
    • Functional Versatility
  • Capable of handling different gas types (natural gas, LPG, etc.).
  • Adaptable to various pressure ranges for diverse system requirements.
    • Key Role in Systems
  • Critical component for overpressure protection in any gas-related system, ensuring safety and operational integrity.

Safety Valve FAQS 

How Does the Spring-Loaded Design Ensure Activation of the Safety Valve

In Hebei Ouyinuo's safety valve, the spring-loaded design maintains a balance between the spring force and the gas pressure. When the system pressure exceeds the pre-set value, the upward force exerted by the gas overcomes the downward force of the spring. This imbalance causes the valve disc to lift, opening the valve and allowing excess gas to escape. The precise calibration of the spring ensures that the valve activates promptly at the correct pressure, providing reliable overpressure protection.

Can Safety Relief Valve Be Used in High-Pressure Gas Systems? 

Yes, our safety relief valve is specifically designed to handle high-pressure gas systems. Engineered with robust materials and a sturdy spring-loaded mechanism, these valves can withstand and regulate pressures well above normal operating levels. Whether it's a high-pressure pipeline or a storage vessel, our safety relief valve ensures that in case of an overpressure event, the excess gas is safely released, protecting the integrity of the entire system.

What Maintenance Is Required for Gas Safety Valve?

Maintenance for our gas safety valve is relatively straightforward. Regular visual inspections are recommended to check for any signs of leakage, corrosion, or damage to the valve components and the spring. Periodically, the valve may need to be tested to ensure that it activates at the correct pressure. However, due to the high-quality construction and durable materials, major maintenance issues are rare, making it easy to keep the gas safety valve in optimal working condition.

How Do We Ensure the Quality of Safety Valve

Hebei Ouyinuo Gas Equipment Co., Ltd. ensures the quality of safety valve through stringent quality control measures. We source top-grade materials and employ advanced manufacturing techniques. Each valve undergoes rigorous testing, including pressure testing, leak testing, and functional testing of the spring-loaded mechanism. Our commitment to quality ensures that every safety valve leaving our facility meets or exceeds international safety standards, providing customers with reliable overpressure protection solutions.

Are There Customization Options for Safety Relief Valve?

Yes, Hebei Ouyinuo offers customization options for safety relief valve to meet specific customer requirements. We can adjust parameters such as the pressure setting, connection types, and materials based on the unique needs of different gas systems. Whether it's for a specialized industrial application or a particular residential setup, our team can work with customers to design and manufacture a gas safety valve that precisely fits their operational and safety needs.



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