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110772-01 - 5/20
CL
Installation & Service Manual
Table 7-2: Two-Stage Units (3450 RPM) -
Two Pipe Systems
Table 7-3: Single-Stage Units (3450 RPM) -
Two Pipe Systems
C. TWO PIPE OIL LINES
1. For two piped systems, where more lift
is required, the two-stage fuel unit is
recommended.
Table 7-2 (two-stage) and Table 7-3 (single-
stage) show allowable lift and lengths of 3/8
inch and 1/2 inch OD tubing for both suction
and return lines. Refer to Figure 7-4.
Lift "H"
(See Fig. 25)
Maximum Length of Tubing
"H" + "R" (See Figure 27)
3/8" OD
Tubing (3 GPH)
1/2" OD
Tubing (3 GPH)
0'
93'
100'
2'
85'
100'
4'
77'
100'
6'
69'
100'
8'
60'
100'
10'
52'
100'
12'
44'
100'
14'
36'
100'
16'
27'
100'
18'
---
76'
Lift "H"
(See Fig. 25)
Maximum Length of Tubing
"H" + "R" (See Figure 27)
3/8" OD
Tubing (3 GPH)
1/2" OD
Tubing (3 GPH)
0'
84'
100'
1'
78'
100'
2'
73'
100'
3'
68'
100'
4'
63'
100'
5'
57'
100'
6'
52'
100'
7'
47'
100'
8'
42'
100'
9'
36'
100'
10'
31'
100'
11'
26'
100'
12'
21'
83'
13'
---
62'
14'
---
41'
Figure 7-4: Two Pipe Oil Lines
7
Oil Piping
(continued)
