SPECIAL FEATURES:

• Single orifice type, fully automatic single function for releasing air under pressure.
• Performance according to the requirements of EN 1074.
• Body and cover high quality polyamide (Rilsan – PA11) powder coated (fusion bonded), coating thickness DFT min. 250 micron, zero porosity (tested with 3000V), high impact resistance and cross-linkage according to DIN 30677-2 and DIN 3476.
• Float from non-corrosive material, fully rubber lined.
• Special basket to keep float in optimal position during operation.
• Flanged connection with multi-size drilling.
• Minimum operating pressure for watertight: 0,5 bar.

>> PERFORMANCES:
FUNCTIONAL DIAGRAMS

MATERIALS:

Body and cover:
Ductile iron EN-GJS-400-15 / EN 1563 (former to DIN GGG40)

Float:
Polyamide, fully EPDM rubber lined - PN 10/16 Stainless steel 1.4301/ EN ISO10088 (equivalent to AISI304), fully rubber lined - PN 25

Basket:
ABS

Orifice:
Brass CuZn40Pb2

O-Rings:
EPDM rubber, potable water approved

Bolts/nuts/washers:
Stainless steel A2-70 / EN ISO 3506

Nipple:
Galvanised malleable iron, or stainless steel on request

Flange:
Ductile iron EN-GJS-400-15 / EN 1563 (former to DIN GGG40)

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.