SPECIAL FEATURES:

• Single type, very compact version fully automatic triple function for releasing air under pressure and during pipe fi lling and bringing air in (anti-vacuum) during pipe emptying.
• Performances according to the requirements of EN 1074.
• Body, cover and fl oat from plastic material.
• Special rolling gasket for reliable function.
• On demand supplied complete with pressure discharge device.
• On demand supplied complete with angle fi tting for rubber pipe collect discharged water.
• Easily demountable for inspection and maintenance.
• Threading to according eN IsO 228.
• Fully Uv-resistant.
• Minimum operating pressure for watertight: 0,5 bar.

>> PERFORMANCES:
FUNCTIONAL DIAGRAMS

MATERIALS:

Body:
Polyamide Pa fi bre glass reinforced

Float:
Polypropylene foam

Gasket:
Silicon rubber, potable water approved

O-rings:
EPDM rubber, potable water approved

All metal, rubber, and coatings used have been designed for contact with water for human consumption, pursuant to the terms of Italian Health Ministry decree n° 174, dated 6/4/2004.