Copper Tube Handbook: Table 14.6

Table 6 is divided into 2 parts:
Part 1: ¼ through 2 | Part 2: 2½ through 12

Flow GPMNominal or standard size, inches
1⁄43⁄81⁄23⁄4111⁄411⁄22
KLMKLMKLMKLMKLMKLMKLMKLM
10.1380.118N/A0.0360.0230.0210.0100.0080.0070.0020.0010.0010.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.000
2N/A0.1300.0840.0750.0350.0300.0240.0060.0050.0040.0020.0010.0030.0010.0000.0000.0000.0000.0000.0000.0000.000
3N/A0.2750.1770.1590.0740.0620.0510.0140.0110.0090.0030.0030.0010.0010.0010.0010.0000.0000.0000.0000.0000.000
4N/A0.1250.1060.0860.0230.0180.0150.0060.0050.0040.0020.0020.0020.0010.0010.0010.0000.0000.000
5N/A0.1890.1610.1300.0350.0270.0230.0090.0070.0060.0030.0030.0020.0010.0010.0010.0000.0000.000
10N/A0.1260.0980.0840.0310.0270.0230.0100.0100.0090.0040.0040.0040.0010.0010.001
15N/A0.0650.0570.0490.0220.0200.0180.0090.0090.0080.0020.0020.002
20N/A0.0960.0840.0370.0350.0310.0160.0150.0140.0040.0040.004
25N/A0.0570.0520.0470.0240.0220.0210.0060.0060.005
30N/A0.0790.0730.0660.0340.0310.0290.0090.0080.008
35N/A0.0450.0420.0390.0120.0110.010
40N/A0.0580.0540.0500.0150.0140.013
45N/A0.0620.0180.0170.016
50N/A0.0220.0210.020
60N/A0.0310.0290.028
70N/A0.0420.0390.037
80-2000N/A