Product
Fully Welded Trunnion Ball Valve
Fully welded construction minimizes potential leak paths, while trunnion-mounted ball design supports stable sealing in high-pressure gas and transmission pipeline service.
DN15-DN1600
Size Range
CLASS 150-1500
Pressure Rating
350℃
Max. Temp.
-29°C
Min. Temp.


Welded Flange Ball Valve
A fully welded body combined with flanged ends provides secure pipeline connections and consistent shutoff performance across gas, heating, and industrial systems.
DN15-DN1500
Size Range
CLASS 150-2500
Pressure Rating
350℃
Max. Temp.
-29°C
Min. Temp.
Underground Fully Welded Ball Valve
Designed for direct burial, these fully welded ball valves minimize external leak paths and maintenance access requirements in gas and district heating networks.
DN50-DN1600
Size Range
CLASS150-1500
Pressure Rating
350℃
Max. Temp.
-29°C
Min. Temp.


Welded Strainer Ball Valve
Integrated shutoff and filtration combine two pipeline functions in one valve, capturing debris while maintaining flow isolation in heating and utility systems.
DN50-DN1600
Size Range
CLASS 150-900
Pressure Rating
350℃
Max. Temp.
-29°C
Min. Temp.
High Pressure Ball Valve
Built for elevated pressure service, these ball valves maintain controlled shutoff and sealing across energy transmission, petrochemical, and other industrial process systems.
DN15-DN1600
Size Range
CLASS150-1500
Pressure Rating
800℃
Max. Temp.
-196℃
Min. Temp.


Flanged Gate Valve
Full-bore flow and flanged connections make these gate valves suited to isolation service where low flow resistance and straightforward pipeline integration matter.
DN15-DN1500
Size Range
CLASS 150-2500
Pressure Rating
800℃
Max. Temp.
-196℃
Min. Temp.
Complete Industrial Valve Range
In addition to our ball and gate valve ranges, HAOGUANG manufactures globe valves, check valves, butterfly valves, plug valves, and other industrial valves for flow regulation, backflow prevention, and isolation.
You can specify materials, pressure classes, connection standards, and sealing configurations to suit your operating conditions, while sourcing more of your project valve requirements from one experienced valve manufacturer.
