Main Safety Valve

The Main Safety Valve (also known as Main Relief Valve) is a critical safety device designed to automatically release excess pressure from equipment or pipelines when the internal pressure exceeds the preset safety limit. By preventing overpressure, it effectively avoids equipment damage, leakage, or even catastrophic accidents, ensuring the safe and stable operation of your entire industrial system. Our main safety valves are manufactured with precision craftsmanship, strict quality control, and advanced materials, making them suitable for high-pressure, high-temperature, and corrosive working environments.

1.Precise Pressure Control : Equipped with a high-sensitivity pressure sensing mechanism, the valve opens and closes accurately at the preset pressure value (adjustable according to your needs), with a pressure error of ≤±3%, ensuring reliable protection without false triggering or pressure leakage.

2.Durable & Corrosion-Resistant : Made of high-quality materials such as stainless steel (304, 316L), carbon steel, or alloy steel, with anti-corrosion treatment on the valve body and internal components. It can withstand harsh working conditions such as high temperature (up to 450℃), high pressure (up to 1000bar), and corrosive media (acids, alkalis, oils, etc.), extending the service life to 5-8 years.

3.Fast Response & Stable Performance : The valve core adopts a precision-machined structure, which can quickly open to release pressure when overpressure occurs, and automatically close and seal tightly after the pressure returns to the safe range. No manual operation is required, reducing labor costs and improving operational efficiency.

4.International Standard Compliance : Complies with global industrial standards such as API 520, API 521, ASME Section I & VIII, DIN 3320, and GB/T 12241. All products pass strict pressure testing, leakage testing, and performance testing before leaving the factory, meeting the import requirements of Europe, America, Southeast Asia, and other regions.

5.Easy Installation & Maintenance : Compact structure, lightweight design, and standardized connection ports (flange, thread, welding) make installation convenient and compatible with most industrial equipment. The valve is easy to disassemble and maintain, with replaceable internal components, reducing maintenance costs and downtime.

- Petrochemical Industry : Refineries, chemical plants, oil pipelines, storage tanks

- Power Industry : Thermal power plants, nuclear power plants, boiler systems

- Pharmaceutical Industry : Pharmaceutical production equipment, pressure vessels for drug synthesis

- Food & Beverage Industry : Steam boilers, sterilization equipment, pressure tanks

- Water Treatment Industry : High-pressure water pipelines, water supply systems

- Metallurgical Industry : Smelting equipment, pressure pipelines in steel plants

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