Product Manual A
73A045R241 (Issue 13) Copyright © 2018 Cummins Inc.
Appendix A. Fuel Line Selection
Table of Contents
Table 20. Required Information for Determining Fuel Line Size ............................................................. 74
Table 22. NFPA Equivalent Lengths of Pipe Fittings and Valves in Feet (Meters) ................................ 75
Table 24. Natural Gas Schedule 40 Metallic Pipe Sizing in Inches ......................................................... 77
Table 27. Natural Gas Semirigid Copper Tubing Sizing ........................................................................... 78
Table 30. Propane Vapor Schedule 40 Metallic Pipe Sizing .................................................................... 80
Table 33. Propane Vapor Semirigid Copper Tubing Sizing ..................................................................... 82
Table 36. Propane Schedule 40 Iron Pipe Sizing, Liquid Withdrawal (Maximum Capacity of Pipe in
Cubic Feet of Gas per Hour)* ...................................................................................................................... 83
Figure 27. Minimum LPG Tank Size (50% Full) Required to Maintain 5 PSIG at Specific Withdrawal
Rate and Minimum Expected Winter Temperature ................................................................................... 85