10q Series Control Valve

The 10Q Series unbalanced shut-off valve adopts top guided pressure unbalanced plug. It is suitable for applications with low differential pressure. The plug and seat surfaces are subjected to hard alloy overlay welding to ensure long-time stable running of the valve. For shut-off applications of media of high temperature and service conditions with high differential pressure we have specially designed the double-plug pressure relief type shut-off valve. The trim of this kind of valve adopts double-plug structure with flow to off design. When opening the valve first open the small plug and the starting force is relatively low because the area of thrust surface of the small plug is small. After the small plug is opened the pressure after the valve is released and the differential pressure acting on the large plug is greatly reduced. The large plug can be opened with a relatively low actuator force. The trim of this kind of structure can meet the need for shut-off applications in service conditions with high differential pressure.

Parameters of control valves
DN : 15~450mm
PN : Class150~2500
Applicable temperature range : -196a - 570a
Trim features : sleeve guided type balanced trim structure with balanced seal ring structure
Body type : straight-through type angle type
Bonnet type : cryogenic type bellows
Flow characteristic : Fast opening characteristic
Shut-off class : ASME B16.104 VI (standard metal seat)
Pipe connection type : flange type butt welding type