21. April 2017 · Comments Off · Categories: BALL VALVE

The following are the most pupular seat option for ball valve

VIRGIN PTFE
Inert to most chemicals, low coefficient of friction, recommended for water, foodstuff and corrosive chemicals. FDA grade.
Colour: White

25% GLASS FILLED PTFE
Similar to 15% glass filled PTFE seats but better resistance to wear and deformation under load.
Colour: Gray-White with red stripe

15% GLASS FILLED PTFE
Similar to 15% glass filled PTFE seats but better resistance to wear and deformation under load.
Colour: Gray-White with red stripe

CARBON FILLED PTFE – NRG
Specially for steam and thermal oil, low  coefficient of friction, inert to most media.
Colour: Pale Black with white stripe
ULTRA HIGH MOLECULAR WEIGHT POLYETHYLENE (UHMWPE)
Good for nuclear, Tobacco, H2SO4 and chemical resistance applications, low coefficiant of friction.
Temperature limit of 93°C. Colour: Pale White with green stripe

PCTFE
Cryogenic applications such as oxygen, hydrogen, nitrogen and more, suitable for temperatures up to -270°C.
Colour: See-through White

CARBON FILLED PEEK®
Suitable for elevated temeperatures, good resistance under high pressure loads, low coefficient of friction, suitable for many corrosive applications.
Colour: Charcoal Black with yellow stripe

VIRGIN PEEK
Similar to filled PEEK® but higher coefficient of friction, suitable for nuclear, Tobacco, clean applications. FDA grade.
Colour: Beige

DEVLON
Devlon® V-API is a high molecular weight polyamide that is specifically tailored for high temperature/pressure. Applications in the offshore oil & gassector