Bore:
full.
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 nickel free.
* Valve: complies with EN331 not suitable for use in installations which require high temperature resistance.
Press fittings it is not considered in EN331-1997
Connections:
comply with UNI 11065 - UNI TS 11147 pr EN 1254-7 : 05
Thread:
UNI ISO 228.