Bore:
full.
Stem:
anti blow out.
Seats:
high resistance virgin PTFE.
Upper seal:
3 seals:
1 PTFE ring - high pressure
2 O-Rings for low pressure.
• The Aster valve with Drain , Art. 2374 is equipped with a drain plug for the liquids used in the water distribution systems, heating and air conditioning.
• The Aster valve with Drain , Art. 2375 is equipped with a drain tap to allow the system to be drained.
Finishing:
Internal surfaces are nickel free and comply with forthcoming European drinking water regulations.