Bore:
full (1/2”), reduced (3/4”).
Stem:
anti blow out.
Seats:
high resistance virgin PTFE.
Upper seal:
4 seals
1 PTFE ring - high pressure
2 anti-friction self-adjusting cone-shaped seals, in PTFE- medium and low pressure.
1 O-Ring - low pressure.
Finishing:
Internal surfaces are nickel free and comply with forthcoming European drinking water regulations.
Ball:
special self washing system that avoids stagnation.