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.
• Threading according to EN ISO 10226.
• 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 (stainless steel on request)

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