Page 56 - RACI
P. 56

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
   51   52   53   54   55   56   57   58   59   60   61