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Conduit Systems

Head loss for Equator pipe at 15°C

0.10	2.84	16.275	0.94	1.158
0.12	3.41	22.401	1.12	1.589
0.14	3.98	29.368	1.31	2.078	0.57	0.293
0.16	4.55	37.151	1.49	2.623	0.66	0.369
0.18			1.68	3.223	0.74	0.452
0.20			1.87	3.876	0.82	0.543	0.51	0.175
0.22			2.05	4.582	0.90	0.642	0.56	0.206
0.24			2.24	5.339	0.98	0.747	0.61	0.240
0.26			2.43	6.146	1.06	0.859	0.66	0.275
0.28			2.61	7.003	1.14	0.978	0.71	0.313
0.30			2.80	7.909	1.23	1.103	0.76	0.353
0.32			2.98	8.863	1.31	1.236	0.81	0.395
0.34			3.17	9.865	1.39	1.374	0.86	0.440
0.36					1.47	1.519	0.91	0.486
0.38					1.55	1.671	0.96	0.534
0.40					1.63	1.829	1.01	0.584
0.42					1.71	1.993	1.06	0.637
0.44					1.79	2.163	1.11	0.691
0.46					1.88	2.340	1.16	0.747
0.48					1.96	2.522	1.21	0.805
0.50					2.04	2.711	1.26	0.865
0.52					2.12	2.905	1.31	0.926
0.54					2.20	3.105	1.36	0.990
0.56					2.28	3.312	1.41	1.056
0.58					2.36	3.524	1.47	1.123
0.60					2.45	3.742	1.52	1.192
0.62					2.53	3.965	1.57	1.263
0.64					2.61	4.195	1.62	1.336
0.66					2.69	4.430	1.67	1.411
0.68					2.77	4.671	1.72	1.487
0.70					2.85	4.917	1.77	1.565
0.72					2.93	5.169	1.82	1.645
0.74					3.02	5.427	1.87	1.727
0.76							1.92	1.810
0.78							1.97	1.895
0.80							2.02	1.982
0.82							2.07	2.071
0.84							2.12	2.161
0.86							2.17	2.253
0.88							2.22	2.347
0.90							2.27	2.443
0.92							2.32	2.540
0.94							2.37	2.639
0.96							2.42	2.739
0.98							2.47	2.841
1.00							2.52	2.945
1.02							2.57	3.051
1.04							2.62	3.158
1.06							2.67	3.266
1.08							2.72	3.377
1.10							2.77	3.489
1.12							2.82	3.602
1.14							2.88	3.718
1.16							2.93	3.835
1.18							2.98	3.953
1.20							3.03	4.073
Note At 15°C: Litres/sec kg /sec

Head loss for Equator pipe at 55°C

0.10	2.84	13.564	0.95	0.953
0.12	3.46	18.739	1.14	1.314
0.14	4.04	24.642	1.32	1.724	0.58	0.241
0.16	4.61	31.252	1.52	2.182	0.67	0.304
0.18			1.70	2.688	0.75	0.374
0.20			1.89	3.240	0.83	0.450	0.52	0.144
0.22			2.08	3.837	0.91	0.533	0.57	0.170
0.24			2.27	4.478	1.00	0.621	0.62	0.198
0.26			2.46	5.163	1.08	0.716	0.67	0.228
0.28			2.65	5.892	1.16	0.816	0.72	0.260
0.30			2.84	6.662	1.24	0.922	0.77	0.294
0.32			3.03	7.475	1.33	1.034	0.82	0.329
0.34					1.41	1.151	0.87	0.367
0.36					1.49	1.274	0.92	0.406
0.38					1.57	1.403	0.98	0.446
0.40					1.66	1.537	1.03	0.489
0.42					1.74	1.676	1.08	0.533
0.44					1.82	1.821	1.13	0.579
0.46					1.90	1.971	1.18	0.626
0.48					1.99	2.127	1.23	0.676
0.50					2.07	2.287	1.28	0.726
0.52					2.15	2.453	1.33	0.779
0.54					2.23	2.624	1.38	0.833
0.56					2.32	2.800	1.43	0.889
0.58					2.40	2.982	1.49	0.946
0.60					2.48	3.168	1.54	1.005
0.62					2.56	3.359	1.59	1.066
0.64					2.65	3.555	1.64	1.128
0.66					2.73	3.757	1.69	1.191
0.68					2.81	3.963	1.74	1.256
0.70					2.89	4.174	1.79	1.323
0.72					2.98	4.390	1.84	1.391
0.74					3.06	4.611	1.89	1.461
0.76							1.95	1.533
0.78							2.00	1.605
0.80							2.05	1.680
0.82							2.10	1.756
0.84							2.15	1.833
0.86							2.20	1.912
0.88							2.25	1.992
0.90							2.30	2.074
0.92							2.35	2.157
0.94							2.40	2.242
0.96							2.46	2.328
0.98							2.51	2.416
1.00							2.56	2.505
1.02							2.61	2.596
1.04							2.66	2.688
1.06							2.71	2.781
1.08							2.76	2.876
1.10							2.81	2.972
1.12							2.86	3.070
1.14							2.92	3.169
1.16							2.97	3.270
1.18							3.02	3.372
1.20							3.07	3.475
Note At 15°C: Litres/sec kg /sec

Head loss for Equator pipe at 75°C

0.010	0.30	0.230
0.015	0.44	0.461
0.020	0.59	0.759
0.025	0.73	1.119
0.030	0.88	1.537
0.035	1.02	2.013
0.040	1.17	2.544
0.045	1.31	3.128
0.050	1.46	3.766
0.055	1.61	4.454
0.060			0.58	0.366
0.065			0.63	0.421
0.070			0.67	0.480
0.075			0.72	0.542	0.32	0.076
0.080			0.77	0.607	0.34	0.085
0.085			0.82	0.675	0.36	0.095
0.090			0.86	0.746	0.38	0.105
0.095			0.91	0.821	0.40	0.115
0.100			0.96	0.899	0.42	0.126
0.105			1.01	0.979	0.44	0.137
0.110			1.05	1.063	0.46	0.149
0.115			1.10	1.150	0.48	0.161
0.120			1.15	1.240	0.51	0.173	0.31	0.056
0.125			1.20	1.333	0.53	0.186	0.33	0.060
0.130			1.25	1.428	0.55	0.199	0.34	0.064
0.135			1.29	1.527	0.57	0.213	0.35	0.068
0.140			1.34	1.629	0.59	0.227	0.37	0.073
0.145			1.39	1.733	0.61	0.241	0.38	0.077
0.150			1.44	1.840	0.63	0.256	0.39	0.082
0.155			1.48	1.951	0.65	0.271	0.40	0.087
0.160			1.53	2.064	0.67	0.287	0.42	0.092
0.165					0.69	0.303	0.43	0.097
0.170					0.71	0.319	0.44	0.102
0.175					0.73	0.336	0.46	0.107
0.180					0.76	0.353	0.47	0.113
0.185					0.78	0.371	0.48	0.118
0.190					0.80	0.388	0.50	0.124
0.195					0.82	0.407	0.51	0.130
0.200					0.84	0.425	0.52	0.136
0.210					0.88	0.464	0.55	0.148
0.220					0.92	0.504	0.57	0.161
0.230					0.96	0.545	0.60	0.174
0.240					1.01	0.587	0.62	0.187
0.250					1.05	0.632	0.65	0.201
0.260					1.09	0.677	0.68	0.216
0.270					1.13	0.724	0.70	0.231
0.280					1.17	0.772	0.73	0.246
0.290					1.21	0.822	0.75	0.262
0.300					1.26	0.873	0.78	0.278
0.310					1.30	0.926	0.80	0.294
0.320					1.34	0.980	0.83	0.312
0.330					1.38	1.035	0.86	0.329
0.340					1.42	1.091	0.88	0.347
0.350					1.46	1.149	0.91	0.365
0.360					1.51	1.208	0.93	0.384
0.370							0.96	0.403
0.380							0.99	0.423
0.390							1.01	0.443
0.400							1.04	0.463
0.410							1.06	0.484
0.420							1.09	0.505
0.430							1.11	0.527
0.440							1.14	0.549
0.450							1.17	0.571
0.460							1.19	0.594
0.470							1.22	0.617
0.480							1.24	0.641
0.490							1.27	0.665
0.500							1.30	0.689
0.510							1.32	0.714
0.520							1.35	0.739
0.530							1.37	0.765
0.540							1.40	0.791
0.550							1.42	0.817
0.560							1.45	0.844
0.570							1.48	0.871
0.580							1.50	0.898
Note: Heating design flow should be based on kg /sec