Bore:
full.
Stem:
anti blow out.
Seats:
high resistance virgin PTFE.
Upper seal:
3 seals:
1 PTFE ring - high pressure
2 O-Ring - low pressure.
The ASTER DVGW series has been designed to comply with future European regulations about drinkable water. The nickel free inside surface and all its components make the valve suitable for drinking water.
Ball:
Special self-washing system that avoids stagnation.
Temperature limits:
for fluids from –15°C to +110° C
Pressure limits:
for fluids from at 40 bar