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AIR VALVES 5 AIR VALVES
FOR WASTE WATER
MOD. 5500 PN 10 DN 2“
Male threaded connection.
MOD. 5501 PN 10 DN 50/80/100
Flanged connection (multiple bore DN 80-100).
H SPECIAL FEATURES
• Double orifice type, fully automatic triple function for
releasing air during pipe filling and bringing air in
(anti-vacuum) during pipe emptying, releasing air under
pressure.
• Realized by non-corrosive material.
• Performances according to the requirements of
EN 1074.
• Compact version to obtain small dimensions.
• Special design allowing the application with dirty
liquids such as sewage and effluent, by creating an air
gap between the wastewater and the sealing system
of the air valve.
• Minimum operating pressure for watertight: 0,5 bar.
• On request, complete with on/off ball valve DN 2”.
Materials
Body, lower float, stem and internal mechanism:
Stainless steel 1.4301/ EN ISO10088
(equivalent to AISI304)
Upper air release unit:
Polyamide PA fibre glass reinforced
Upper float:
Polypropylene foam
Gasket:
NBR rubber
d2/DN PFA D H Weight(kg)
2" 0,5-10 268 490 7
50/80/100 0,5-10 268 490 9,25
d2
D
DN
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.
© RACI srl - ISO 9001 - Catalog Ed 10/2016 5.10 info@raci.it - www.raci.it - Tel. +39 02 262.351