Bore:
reduced.
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 Epdm Perox low pressure.
Finishing:
Internal surfaces are nickel free and comply with forthcoming European drinking water regulations.
Threaded end connections:
Standard male according to UNI ISO 228/1.
Operation devices:
Aluminium lever.
All the valves are tested 100% on pneumatic seal with electronic control.