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Home » Products » Control Valve » MK Series Valves » MK-LG Fisher Corrosion-resistant Globe Lined Control Valve Manufacturer

MK-LG Fisher Corrosion-resistant Globe Lined Control Valve Manufacturer

MK-LG lined control valve is a corrosion-resistant straightthrough single-seat control valve. The inner wall of the valve body in contact with the fluid and the components inside the valve are made by high-pressure injection molding, lined with corrosionresistant and aging-resistant perfluoroethylenepropylene (F46), and sealed with a polytetrafluoroethylene corrugated tube.
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  • MK-LG

  • Fisher

MK-LG lined control valve is a corrosion-resistant straightthrough single-seat control valve. The inner wall of the valve body in contact with the fluid and the components inside the valve are made by high-pressure injection molding, lined with corrosionresistant and aging-resistant perfluoroethylenepropylene (F46), and sealed with a polytetrafluoroethylene corrugated tube. The top of the valve core is sealed with the top of the polytetrafluoroethylene corrugated tube The lower end of the polytetrafluoroethylene bellows is processed by a special technique with the upper valve cover, support sleeve, and valve core head of the valve body, using a twostage split, with an internal PTFE valve type roller connected to the polytetrafluoroethylene bellows seal. It is widely used for the control of strong corrosive media such as acids and alkalis, as well as toxic and volatile gases and liquids.


Valve core


view A of Valve
view B of Valve bellow
NAMEMATERIALS
Valve body materialA216WCB+F46,A351 CF8+F46
Valve core316+PTFE
Valve seat316+PTFE
Corrugated tubePTFE
The allowable leakage of the valve seatClass VI
Valve cover packingPolytetrafluoroethylene packing
Operating
temperature
WCB valve body- 29 ~ 180 ℃
CF8 Valve body


Valve typeType D
Nominal bore1 "1 1/2" 2 "3" 4"
DN25 DN40 DN50 DN80 DN100
Nominal pressureCL150 CL300
PN10-PN40
Connection methodFlange connection ASME B16.5
Flange sealing surfaceRF
Design standardsANSI B16.34
Faran distanceASME B16.10
Flow characteristicsEqual percentage
Flow coefficient ratio50:1
Flow towardsFTO
Shutdown levelAccording to ANSI/FCI 70-2 and IEC 60534-4


  • Corrosion-resistant 

    It can resist almost all media (including concentrated nitric acid and a qua regia)

  • Good sealing performance

    Double sealing with bellows and packing ensures no external leakage.

  • High flow capacity

    Fluid channels are unobstructed and flow capacity is strong.

  • Long seal life

    The bellows has undergone 500,000 life tests.

  • Ero sion resistance

    This valve has excellent erosion resistance. With streamlined flow channels, robust components and a variety of erosion-resistant interior materials, this valve offers excellent performance and a long service life in erosive conditions.


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