Product Manual

Appendix A. Diesel Fuel Piping2-2017
71A055H194 (Issue 3) Copyright © 2017 Cummins Inc.
TABLE 19. MINIMUM FUEL HOSE AND PIPE SIZES; UP TO 50 FEET (15 METERS)
EQUIVALENT LENGTH.
Max Fuel Flow Rate GPH (L/hr) Flex Hose
No.
*
NPS Pipe Size
(in)
DN Pipe Size
(mm)
Less than 80 (303) 10 ½ 15
81-100 (304-378) 10 ½ 15
101-160 (379-604) 12 ¾ 20
161-230 (605-869) 12 ¾ 20
231-310 (870-1170) 16 1 25
311-410 (1171-1550) 20 1-1/4 32
411-610 (1550-2309) 24 1-1/2 40
611-920 (2309-3480) 24 1-1/2 40
*
Generic fuel hose suppliers' size specification.