Especificações técnicas. O PN-20 equivale a série de tubo S 3,2. TU202003 Tubo PN-20 Ø 20 mm – 3 mts TU252003 Tubo PN-20 Ø 25 mm – 3 mts TU322003 Tubo PN-20 Ø 32 mm – 3 mts TU402003 Tubo PN-20 Ø 40 mm – 3 mts TU502003 Tubo PN-20 Ø 50 mm – 3 mts TU632003 Tubo PN-20 Ø 63 mm – 3 mts TU752003 Tubo PN-20 Ø 75 mm – 3 mts TU902003 Tubo PN-20 Ø 90 mm – 3 mts TU1102003 Tubo PN-20 Ø 110 mm – 3 mts TU1602006 Tubo PN-20 Ø 160 mm – 6 mts
