PEEK RPTFE PCTFE POM UPE NYLON PFA PVDF for Trunnion Mounted Ball Valve Seat insert 1/2''-60''
Service Temperature :-196-260 C degree
Pressure : ANSI Class 150 Class 300 Class 600 Class 900 Class 1500 Class2500
Application: Floating or Trunnion Mounted Ball Valves etc
Size range: 1/2''-60''
PEEK (Polyetheretherketone) seats are mainly used in floating trunnion mounted ball valves. The sallow molded PEEK valve seats are characterized a superior balance of chemical and hydrolysis resistance under higher temperatures, providing high temperature and high pressure resistance, fatigued esistance, hydrolysis and flame retardation.
- Outstanding high temperature resistance: PEEK has a high melting point (334ºC) and glass transition temperature (143ºC), continuous use temperature of 260ºC, its 30%GF or CF enhanced PEEK load thermal variation temperature can be up to 316ºC.
- Excellent self-lubricity (corrosion resistance): PEEK resin is suitable for situations where the low friction coefficient and wear resistance are strictly required. It has a similar corrosion resistance to nickel alloy and is more resistant to acid and base than polyimide at high temperatures.
- Good processability: PEEK has good fluidity and high thermal decomposition temperature under high temperature and can be processed by injection molding, molding, extrusion molding, blowing molding, melting spinning and other processing methods.
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