|Valve Type:||Spherical Valve||Material:||Carbon Steel,WCB|
|Operation Type:||Hydraulic Counter Weight||Pressure Range:||0.6-12Mpa|
manual Globe Valve,
hydraulic Globe Valve
0.6 - 10.0 Mpa, 50 - 1000 mm Spherical Valve,Ball Valve, Flanged Globe Valve drived by Motor Control
Spherical valves, as the name implies, are stop valves that use a spherical to stop or start the flow. The spherical performs the same function as the disk in the globe valve. When the valve handle is operated to open the valve, the spherical rotates to a point where the hole through the spherical is in line with the valve body inlet and outlet. When the valve is shut, which requires only a 90-degree rotation of the handwheel or Wormgear for most valves, the spherical is rotated so the hole is perpendicular to the flow openings of the valve body, and flow is stopped.
They are widely used in fluid-handing systems for flow control. These types of Rotary Valves are suitable for corrosive applications. In general, Spherical valves offer many advantages when contrasted with other types of valves, they provide superior ease of operation, which can maintain and regulate high volume, high pressure and high temperature flow. Most spherical valves offer rugged construction providing with a long time service life, and a comparable low cost.
This type of Spherical valve operated by the electric motor, and also can by manual, It has a motor and wormgear box on the head of valve. The wormgear are planetary gear operated. This type of gearing allows the use of a relatively small handwheel and operating force to operate a fairly large valve.
Motor-Driving/Manual control Spherical Valve
Nominal Diameter: 50 – 1000 mm
Nominal Pressure: 0.6 – 10.0 Mpa
The commonly inlet valve in hydropower station is Gate valve, butterfly valve and spherical valve.
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