Safety valves are critical automated protection devices designed to prevent catastrophic equipment failure, pipe ruptures, and pressure vessel explosions by automatically discharging excess media when system pressure exceeds specified limits. Engineered to operate instantly under extreme conditions, safety relief valves are widely used across power generation, oil and gas processing, chemical plants, HVAC systems, and steam boilers. Key manufacturing requirements include high seat tightness, exact set-pressure accuracy, rapid discharge capacity, and long-term resistance to thermal stress and corrosion. Made from forged brass, stainless steel, cast iron, and alloy steels, high-performance safety valves strictly adhere to international quality and pressure standards such as ASME, API 526, ISO 4126, and CE-PED. China's advanced valve manufacturing infrastructure features world-class producers capable of delivering reliable safety relief solutions globally. Below are ten of China's leading safety valve manufacturers.
(In No Particular Order)
1. Zhejiang Dunyun Industrial Co., Ltd.
Zhejiang Dunyun Industrial Co., Ltd. is a leading manufacturer specializing in high-performance brass safety relief valves, boiler pressure relief valves, air release valves, temperature control components, and custom water system control valves. Utilizing high-purity, European-standard brass alloys (such as CW617N and HPb59-1) alongside precision CNC machining and automated hydrostatic pressure testing, Dunyun designs compact safety valves engineered for rapid response, leak-tight sealing, and long-term durability in heating, boiler, and potable water systems. Exporting to over 70 countries, the company provides extensive custom OEM/ODM production backed by CE and ISO quality certifications.
2. Lanzhou High Pressure Valve Co., Ltd. (LVP)
A pioneer in China's valve industry, LVP specializes in ultra-high-pressure industrial safety valves and pilot-operated relief valves designed for nuclear power stations, aerospace testing facilities, and coal chemical processing.
3. SUFA Technology Industry Co., Ltd. (CNNC SUFA)
Affiliated with the China National Nuclear Corporation, CNNC SUFA produces state-certified spring-loaded and pilot-operated safety valves engineered for critical nuclear energy facilities, oil refineries, and cross-country pipelines.
4. Zhejiang AOKAI Valve Co., Ltd. (AOKAI)
AOKAI is a specialized manufacturer dedicated exclusively to safety valves, producing a comprehensive line of ASME-certified spring-loaded, micro-opening, and full-lift safety relief valves for steam boilers and pressure vessels.
5. Shanghai Jiangwan Safety Valve Co., Ltd.
One of the earliest dedicated safety valve enterprises in China, Shanghai Jiangwan produces high-precision safety and pressure relief valves widely applied in power plants, thermal networks, and industrial steam boilers.
6. Neway Valve (Suzhou) Co., Ltd.
As a global industrial valve manufacturer, Neway manufactures heavy-duty spring-loaded and pilot safety valves compliant with API 526 and ASME standards for onshore and offshore energy infrastructure.
7. Wuwei High-Medium Pressure Valve Co., Ltd.
Specializing in heavy industrial fluid control, this company delivers high-temperature, high-pressure safety relief valves engineered for power station boilers, metallurgical plants, and chemical processing facilities.
8. Zhejiang Chaoda Valve Co., Ltd.
Famous for severe-service flow control solutions, Chaoda produces specialized alloy and stainless steel safety valves engineered to withstand corrosive, toxic, and high-abrasion fluid environments.
9. Yuanda Valve Group Co., Ltd.
Yuanda Valve Group is a large-scale manufacturer producing cast steel, stainless steel, and iron safety valves widely used in municipal heating, HVAC, commercial building boilers, and general industrial pipelines.
10. Zhuji Fengfan Pipe Industry Co., Ltd. (IFAN)
Operating under the "IFAN" brand, this factory manufactures compact brass safety relief valves, boiler pressure control valves, and residential heating safety components for international distributors and OEM partners.
