Italy

bullet acquedottoAIR VALVES DUCTILE IRON AUTOMATIC TYPE


MOD. 5141 | PN 16 | DN 1“- 80/100
MOD. 5142 | PN 25 | DN 1“- 80/100
Flanged connection + shut-off ball valve, stainless steel fasteners.


 

 valvole di sfiato automatico ghisa 1

 

 

valvole di sfiato automatico ghisa 2 

 

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)

 

valvole di sfiato automatico ghisa 3


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.

 

 


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