Use:
The insulation jacketed gate valves are mainly used in petroleum, chemical, metallurgical, pharmaceutical and other systems to transport high viscosity medium at room temperature. The sleeve of the series valve is welded between the two flanges of the valve, and the side and bottom of the valve are provided with a connecting port of the jacket. With the added jacket, the connection flange size of the valve is one to two specifications larger than the common valve connecting flange.