According to EN331 standard.
Minimum and maximum working temperature:
-10^oC, 120^oC.
Available: in all sizes from 1/4" up to 2".

Valve Body: CW617N
Handle: Steel
Ball: Hard chrome-plated brass
Seal: P.T.F.E.
Stem: Brass
Stem-seal: Brass
O-Ring: NBR or FKM