●Introduction 
    Steel welded valves feature a main body constructed from welded steel. Compared to cast iron valves, steel welded valves are smaller in size, lighter in weight, have lower installation costs, and offer greater safety and reliability. Since steel welded valves are installed via welding connections, they are quick and reliable to install during construction, require less labor intensity compared to cast iron valves, and overcome the leakage issues caused by temperature changes in gasket seals due to the flange connections in cast iron valves. 

●Test Pressure and Design Pressure 
    Test Pressure: Pressure Test: 3.75MPa 
              Tightness Test: 2.5MPa 
    Design Pressure: 2.5MPa 

●Specifications 
    J61F-25C DN10～DN300