Materials:
W830:
Steel plunger body with property class 5.8.
W830CIN:
Stainless steel plunger body (Aisi 303).
Surface finish:
Smooth.
Colour:
W830:
Black-oxide treated.
W830CIN:
Natural.
Ball:
Hardened stainless steel ball (bearing type) (Aisi 420).
Spring:
W830:
Harmonic steel spring.
W830CIN:
Stainless steel spring (Aisi 301).
Type of spring thrust:
Normal.
Special requests:
None.