PN 25

HSP HDPE 100 PIPES BUTT WELDING PARAMETERS PN 25
Nominal Diameter (DN) mm Wall Thickness (s) mm Height of Bulge (11) mm Non-Pressure Heating Time (t2) sec Changeover Time (t3) sec Pressure Built up Time (t4) sec Cooling Time (t5) sec Total Welding Time (t) min
20 3.0 0.5 30 5 5 6.0 6.7
25 3.5 0.5 35 5 5 6.0 6.8
32 4.4 0.5 44 5 5 6.0 6.9
40 5.5 1.0 55 5 5 7.8 8.7
50 6.9 1.0 69 6 6 9.8 11.2
63 8.6 1.5 86 7 7 11.9 13.6
75 10.3 1.5 103 7 7 14.0 15.9
90 12.3 2.0 123 8 8 16.3 8.7
110 15.1 2.0 151 9 9 19.5 22.4
125 17.1 2.0 171 9 10 21.8 25.0
140 19.2 2.5 192 10 11 24.2 27.8
160 21.9 2.5 219 11 12 27.3 31.3
180 24.6 2.5 246 12 13 30.4 34.9
200 27.4 3.0 274 13 15 33.7 38.7
225 30.8 3.0 308 14 16 37.7 43.3
250 34.2 3.0 342 15 18 41.7 47.9