PFA Lined Ball Valves
PFA exhibits thermal characteristics like to PTFE, being able to withstand super low to high temperatures (260°C maximum temperature for continuous use). It is also transparent and mechanically strong under high temperature. PFA is used where purity is most important. PFA has better mechanical strength at high temperatures than FEP, and excellent moldability for easy processing.
Due to the high bonding strength of the carbon, fluorine and oxygen atoms, PFA demonstrates nearly the same outstanding capabilities as PTFE in temperatures ranging from -200°C to +260°C.
Ball Valves lined with PFA provide trouble free service in acid environments. PFA Lined Ball valves are commonly used in pulp and paper operations, Chlorine water, chlorine dioxide, sodium hypochlorite and sulphuric services.
|Sizes in mm(inch)||Pressure Rating|
|15 (1/2″) to 100 (4″)||Class 150|
|150 (6″) to 200 (8″)||PN 10|
|Design Std.||BS 5159, EN ISO 17292 (BS 5351), API 599|
|Face to Face||ASME B16.10|
|Testing Std.||EN 12266-1 (BS 6755-1)|
|Body & End piece Material||DI, WCB, CF8, CF8M etc.|
|Ball Material (Integral Stem)||CB7Cu-1 (17-4PH)|
|Body & Ball Lining||PFA / FEP|
|Seat & Seal||PTFE|
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