HDL Maximum Run Lengths (Metric) HDL 17 MM Pressure-Compensating and Reclaimed - Minimum Operating Pressure of 0.7 bar HDL-PC and HDL-R - 1.5 L/hr Pressure (bar) Emitter Spacing (cm) 30 45 60 1.0 87 123 156 2.0 125 177 224 3.0 149 210 266 4.0 167 235 299 HDL-PC and HDL-R - 2.1 L/hr Pressure (bar) Emitter Spacing (cm) 30 45 60 1.0 72 101 129 2.0 103 147 186 3.0 123 174 220 4.0 137 194 247 HDL-PC and HDL-R - 3.4 L/hr Pressure (bar) Emitter Spacing (cm) 30 45 60 1.0 50 71 89 2.0 72 101 128 3.0 85 120 153 4.0 96 134 171 HDL 17 MM Check Valve - Minimum Operating Pressure of 1 bar HDL-CV - 1.5 L/hr Pressure (bar) Emitter Spacing (cm) 30 45 60 1.0 62 88 112 2.0 116 163 207 3.0 142 200 255 4.0 161 228 289 HDL-CV - 2.1 L/hr Pressure (bar) Emitter Spacing (cm) 30 45 60 1.0 52 73 93 2.0 96 134 171 3.0 117 166 210 4.0 134 189 239 HDL-CV - 3.4 L/hr Pressure (bar) Emitter Spacing (cm) 30 45 60 1.0 36 50 64 2.0 66 94 119 3.0 81 115 146 4.0 92 131 165
