6 viton® pump tubing data sheet, Viton® pump tubing data sheet, Figure 10 – Metrohm 772 Pump Unit User Manual
Page 27: Calculation formula for the permeability (c)
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5 Operation and maintenance
772 Pump Unit
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19
Permeability (C) for:
CO
2
O
2
N
2
1,200
200
80
Corresponds to the fol-
lowing standards:
USP Class VI
FDA 21CFR177.2600
NSF (Standard 51)
Cleaning/sterilization
The tubing can be sterilized in the autoclave without
being damaged.
Figure 10
Calculation formula for the permeability (C)
5.2.6
Viton® pump tubing data sheet
Physical properties
Viton®; rigid, impermeable, black
Dimensions
Inner diameter = 6.4 mm
Wall thickness 1.6 mm
Advantages
High chemical resistance
Low gas permeability
Wide temperature range
Restrictions
Limited lifetime
Applications:
Acids
Bases
Solvents
Pressure
Vacuum
Viscous media
Sterile media
Outstanding
Outstanding
Limited
Not recommended
Good
Good
Satisfactory
Temperature range
–31 °C - +204 °C
Permeability (C) for:
CO
2
O
2
N
2
38
14
5
Corresponds to the fol-
lowing standards:
None
Cleaning/sterilization
Not recommended