
In the 1970s, a pivotal moment occurred when the former Zaoqiang County Agricultural Machinery Plant brought in gas pressure regulating product production technology from the Northern China Design Institute of China Municipal Engineering. This marked the humble beginning of the gas equipment manufacturing industry in Hebei. Through over three decades of relentless effort, the region has blossomed into a significant industrial hub, renowned for its prowess in researching, developing, and manufacturing gas pressure regulating equipment. At the heart of ensuring safety in residential heating systems are safety valves, also known as safety relief valves or gas safety valves. These unassuming yet crucial devices act as silent guardians, protecting homes from potential gas - related hazards and ensuring a warm and secure living environment during cold seasons.
Application Area
|
Role of Gas Safety Valve |
Gas Boilers |
Protects the boiler from excessive pressure, preventing damage to the boiler components and ensuring a consistent supply of hot water for heating and domestic use. |
Central Heating Systems |
Acts as a safety net for the entire central heating network. In case of sudden pressure surges, it releases the excess gas, maintaining the integrity of the pipes and radiators and ensuring even heat distribution throughout the house. |
Downstream of Gas Pipelines |
As a crucial part of the gas pipeline transmission and distribution system, the gas safety relief valve provides overpressure relief protection for the middle and downstream sections of the pressure regulator, ensuring the safe and reliable operation of the entire gas supply chain. |
The following table showcases the key technical parameters of our gas safety valves, highlighting their precision and reliability in various residential heating applications:
Parameter |
Details |
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, DN25, DN40, DN50 (G3/4", G1 1/2", G1", G2") |
A regular valve is mainly used to control the flow of gas on - off or adjust the flow rate. In contrast, a gas safety valve is specifically designed for safety. It monitors gas pressure and automatically opens to release excess gas when the pressure exceeds a set limit, acting as a safeguard against overpressure situations, while a regular valve does not have this pressure - activated safety function.
Installing a gas safety valve is not a DIY task. Working with gas systems can be extremely dangerous due to the risk of leaks and explosions. Professional installers have the necessary knowledge, skills, and tools to ensure the valve is installed correctly, in line with safety standards and regulations. It's always best to leave this job to the experts to guarantee your safety and the proper functioning of the valve.
It is advisable to have your gas safety valve inspected at least once a year by a professional. Regular inspections can identify any signs of wear, damage, or malfunction early on. This allows for prompt repairs or replacements, ensuring that the safety relief valve continues to provide reliable protection for your residential heating system.
Signs of a faulty gas safety valve include hissing noises around the valve, which may indicate a gas leak; visible damage to the valve body or spring; and abnormal pressure fluctuations in the heating system. If you notice any of these signs, it's crucial to turn off the gas supply immediately and contact a professional for inspection and repair.
Most gas safety valves come with pre - set pressure limits and are not meant to be adjusted by homeowners. These settings are carefully calibrated during manufacturing to ensure safety. Tampering with the valve's settings can compromise its functionality and pose serious safety risks. If you suspect an issue with the pressure settings, it's best to consult a professional technician.
Discover more about our high - quality gas safety valves and other innovative gas equipment solutions. Visit our company's official www.gasouyinuo.com today to explore our comprehensive product range and learn how we can help keep your residential heating systems safe and efficient.