APPENDIX B
LIFT VERSUS TUBING SIZE, FORMULATION & FLOW
ALL FLOWS SHOWN ARE ML/MIN @70°F (21.1°C)
LIFT
FEET
TUBING
SIZE
SILICONE
C-FLEX
TYGON
®
LAB
TYGON
®
LFL
NORPRENE
®
PHARMED BPT
PTFE
0
15
675 740 740
12 635 690 710
25 290 210 570
0
24
1085 1060 1040
12 730 955 1030
25
15′ Max LIFT
560 670
0
25
750 825 785 740
12 260 625 680 690
25
15′ Max LIFT
130 365 345
0
4 mm
30
12 29
25 20
0
6 mm
84
12 31
25 19
Notes: 1. The flows shown above were generated on an EASY-LOAD pump.
2. Average barometric pressure is 740 mm Hg.
3. Flows shown are nominal or averaged.
4. PTFE Tubing Pump is being run @ 400 rpm, which is above its recommended rpm range; this is for intermittent use
(10–15 minutes) only and will result in shorter tubing life. For continuous use, do not exceed 300 rpm. Reduce flows by 33%
for use at 300 rpm.
®
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