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Tubing operating life tests are done at 600 RPM, with 20°C water, 0 PSI back
pressure until the tubing breaks. Average tubing life hours are shown. However,
tubing life varies considerably depending on tubing formulation, tubing back
pressure, and fluid pumped. Tubing should be inspected periodically for wear.
Table 9-4. Average Tubing Life
Tubing Wall Tubing Wall Tubing Tubing Average
Thickness Thickness Inner Diameter Inner Diameter Material Tubing Life
(in.) (mm) (in.) (mm) (Hours)
1
⁄16
1. 5
1
⁄16
1.5 Viton 10
1
⁄16 1. 5
1
⁄8 3.0 Viton 25
1
⁄16 1. 5
3
⁄16 4.5 Viton 25
1
⁄16 1. 5
1
⁄4 6.0 Viton 25
1
⁄16 1. 5
5
⁄16 8.0 Viton 10
1
⁄16 1. 5
1
⁄16 1.5 Tygon 60
1
⁄16 1. 5
1
⁄8 3.0 Tygon 60
1
⁄16 1. 5
3
⁄16 4.5 Tygon 30
1
⁄16 1. 5
1
⁄4 6.0 Tygon 30
1
⁄16 1. 5
5
⁄16 8.0 Tygon 30
1
⁄16 1. 5
1
⁄16 1.5 Silicone 60
1
⁄16 1. 5
1
⁄8 3.0 Silicone 60
1
⁄16 1. 5
3
⁄16 4.5 Silicone 60
1
⁄16 1. 5
1
⁄4 6.0 Silicone 50
1
⁄16 1. 5
5
⁄16 8.0 Silicone 40
1
⁄16 1. 5
1
⁄16 1.5 Santoprene 100
1
⁄16 1. 5
1
⁄8 3.0 Santoprene 100
1
⁄16 1. 5
3
⁄16 4.5 Santoprene 100
1
⁄16 1. 5
1
⁄4 6.0 Santoprene 75
1
⁄16 1. 5
1
⁄16 1.5 Vinyl 60
1
⁄16 1. 5
1
⁄8 3.0 Vinyl 60
1
⁄16 1. 5
3
⁄16 4.5 Vinyl 60
1
⁄16 1. 5
1
⁄4 6.0 Vinyl 40
1
⁄16 1. 5
5
⁄16 8.0 Vinyl 30
1
⁄16 1. 5
1
⁄16 1.5 Norprene 500
1
⁄16 1. 5
1
⁄8 3.0 Norprene 500
1
⁄16 1. 5
3
⁄16 4.5 Norprene 500
1
⁄16 1. 5
1
⁄4 6.0 Norprene 400
1
⁄16 1. 5
5
⁄16 8.0 Norprene 400
NOTE: Poor tubing life results were obtained for
5
⁄16" (8.0mm) inner diameter
Santoprene tubing. This particular tubing should not be used with the FPU5-MT
Series pump motor.
Specifications
9
9-3