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Fixed turbine ball valve

Fixed turbine ball valve

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所属分类
Globe Valve
Describe
Q(3/6/9)47(H/F) flanged fixed ball valve
 
product description
 
use
 
It is used in chemical, petroleum, natural gas, metallurgy, medicine, environmental protection, papermaking and other medium pipelines for interception or connection, and with medium, high-pressure pipelines such as granular, solid, and slurry.
 
Features
 
The fixed ball valve uses a ball front seat seal structure. The two seats can independently cut off the media at the inlet and outlet ends to achieve double blocking. The valve seat is a movable valve seat that is cut by a spring. When the valve is closed, the valve seat will be pushed toward the spherical surface with the medium to ensure the sealing performance of the valve. When the valve is opened, the valve seat returns to the free state, greatly reducing the valve. Friction between the seat and the spherical surface to extend the life of the valve.
 
Product material list
 
Standard specification
design standards GB/T 12237
Structural length standard GB/T 12221
Flange connection standard JB/T 79.1
Inspection and test standards GB/T 26480
 
Main component materials
Valve body, bonnet WCB、CF8、CF8M
Sphere

A105+Cr或2Cr13氮化、304喷涂、316喷涂

Seat A105+STL、304+STL、
316+STL或A105+PTFE、
304+PTFE、316+PTFE
Valve stem 2Cr13、304、316
filler 柔性石墨、PTFE


 

Standard specification
design standards API608
Structural length standard ASME B16.10
Flange connection standard ASME B16.5、ASME B16.47
Inspection and test standards API598
 
Main component materials
Valve body, bonnet A105、CF8、CF8M
Sphere

A105+Cr or 2Cr13 nitriding, 304 spraying, 316 spraying

Seat A105+STL、304+STL、
316+STL或A105+PTFE、
304+PTFE、316+PTFE
Valve stem 2Cr13、SS304、SS316
filler Flexible graphite, PTFE