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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.
| NAME | MATERIALS | |||||||||||||||||||
| Valve body material | A216WCB+F46,A351 CF8+F46 | |||||||||||||||||||
| Valve core | 316+PTFE | |||||||||||||||||||
| Valve seat | 316+PTFE | |||||||||||||||||||
| Corrugated tube | PTFE | |||||||||||||||||||
| The allowable leakage of the valve seat | Class VI | |||||||||||||||||||
| Valve cover packing | Polytetrafluoroethylene packing | |||||||||||||||||||
| Operating temperature | WCB valve body | - 29 ~ 180 ℃ | ||||||||||||||||||
| CF8 Valve body | ||||||||||||||||||||
| Valve type | Type D | ||||||||||||||||
| Nominal bore | 1 "1 1/2" 2 "3" 4" DN25 DN40 DN50 DN80 DN100 | ||||||||||||||||
| Nominal pressure | CL150 CL300 PN10-PN40 | ||||||||||||||||
| Connection method | Flange connection ASME B16.5 | ||||||||||||||||
| Flange sealing surface | RF | ||||||||||||||||
| Design standards | ANSI B16.34 | ||||||||||||||||
| Faran distance | ASME B16.10 | ||||||||||||||||
| Flow characteristics | Equal percentage | ||||||||||||||||
| Flow coefficient ratio | 50:1 | ||||||||||||||||
| Flow towards | FTO | ||||||||||||||||
| Shutdown level | According 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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