Italiano
Alfaidro Special consists of manifolds, segment fittings, pipes with flanged and alfarapid connections (Victaulic type), they are also available in the pre-insulated version. The main benefit of this line is to offer customized solutions satisfying specific requests, optimizing times and installation costs. Depending on the specific request, Alfaro Special components can be supplied with the following connections: polifusion welding (smooth ends for electrofusion welding, socket welding and butt welding), flanged, threaded.
Alfaidro Special can be laid both underground and aboveground and can and the UV resistant version is also available.
GENERAL CATALOGS AND TECHNICAL DATA SHEETS IN
VARIANT SDR SIZE
S16GM5160BW7.4 7.4 160
S16GM5200BW7.4 7.4 200
S16GM5250BW7.4 7.4 250
S16GM5315BW7.4 7.4 315
S16GM5160BW9 9 160
S16GM5200BW9 9 200
S16GM5250BW9 9 250
S16GM5315BW9 9 315
S16GM5160BW11 11 160
S16GM5200BW11 11 200
S16GM5250BW11 11 250
S16GM5315BW11 11 315
S16GM5160BW17 17.6 160
S16GM5200BW17 17.6 200
S16GM5250BW17 17.6 250
S16GM5315BW17 17.6 315
TEMPERATURES AND OPERATING PRESSURE:
SDR 7.4
20°C – 24.5 bar
60°C – 12.5 bar
70°C – 8.1 bar
SDR 9
20°C – 19.5 bar
60°C – 9.7 bar
70°C – 6.4 bar
SDR 11
20°C – 15.4 bar
60°C – 7.7 bar
70°C – 5.1 bar
SDR 17.6
20°C – 11.6 bar
60°C – 6.1 bar
70°C – 5.1 bar
WORKING TEMPERATURES:
MIN= -20°C MAX= +95°C
THERMAL CONDUCTIVITY:
0,0235 W/mK
COEFFICIENT OF LINEAR EXPANSION:
0.035 mm/mK
REGULATION FOR DRINKING WATER: DM 174-06/04/2004 (Italy), DM 23/04/2009 e Reg. UE n° 10/2011, KTW RECCOMENDATIONS, DVGW-W 270, BS 6920, FDA CRITERIA IN 21 CFR 177.1520, CSBA B214, NSF61, NSF51
REFERENCE STANDARDS:
- Sistema [System]: UNI EN ISO 21003, DIN 16837, UNI EN ISO 15874, ISO 15494, DIN 8078, ASTM F2389, BS 4991, CSA B137.11
- Prove [Tests]: UNI EN ISO 15874, DIN 16962, ISO 1133, ISO 3126, ISO 1167, ISO 2501, ISO 9854, NSF14