PN 12.5

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HSP HDPE 100 PIPES BUTT WELDING PARAMETERS PN 12.5
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
40 3.0 0.5 30 5 5 6.0 6.7
50 3.7 0.5 37 5 5 6.0 6.8
63 4.7 1.0 47 5 5 6.3 7.3
75 5.6 1.0 56 5 5 7.8 8.9
90 6.7 1.0 67 6 6 9.5 10.8
110 8.1 1.5 81 6 6 11.3 12.9
125 9.2 1.5 92 7 7 12.6 14.4
140 10.3 1.5 103 7 7 14.0 15.9
160 11.8 1.5 118 8 8 15.8 18.0
180 13.3 2.0 133 8 9 17.5 20.0
200 14.7 2.0 147 9 9 19.1 21.8
225 16.6 2.0 166 9 10 21.3 24.3
250 18.4 2.0 184 10 11 23.3 26.7