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FR PVDF MANULEF®
Pneumatic tubes polyvinylidene fluroride
MANULEF® tubes are made from virgin kynar 740 polyvinylidene fluroride and are produced by calibrated extrusion.
This material appeared on the market in 1955 and is used in translucent grade.
Kynar® is a trade name of the Arkema company® .
MANULEF® tubes are :
- Very resistant to chemical products.
- Resistant to temperature.
- Provided with very good mechanical properties.
- Insenstive to ultraviolets.
- Very impervious.
- Food quality.
- Nonflammable (UL 10).
MANULEF® tubes are intended for severe conditions of temperature and chemical aggression.
Their admissible working temperature ranges from -20°C to +150°C with very good dimensional stability.
They are also of food quality and have approval by the american FDA (Food & Drug Administration).
They are particularly adapted to outdoor use by their insensitivity to ultraviolet-visible rays and are imputrescible and insensitive to mould.
MANULEF® are supplied unnmarked.
Admissible working temperatures of MANULEF® tubes are between -40°C and +150°C.
Table of working pressure ratios of MANULEF® tubes with regards to working temperature
| T(°C) | -20° to +23° | 40° | 60° | 80° | 100° | 120° | 140° |
| Pressure (%) | 100% | 80% | 70% | 61% | 46% | 33% | 25% |
The values of working pressure ratios according to working temperatures indicated above represent only the average of the results obtained from burst pressures divided by a safety factor, given that these are variable according to tube diameter and wall thickness
Calibrated solid PVDF tube
| Part n° | Outer diameter (mm) | Inner diameter (mm) | Wall thickness (mm) | Pressure limit of non-burst 20°c (bars) | Working pressure 20°c (bars) | Weight (gr/mm) | Bend radius (mm) | Tolerance on outer diameter (mm) | Tolerance on inner diameter (mm) | Tolerance on wall thickness (mm) | Available |
| 0010901000 | 6 | 4 | 1 | 112 | 56 | 28 | 35 | +0,10/-0,10 | +0,10/-0,10 | +0,05/-0,05 | Natural/25m |
| 0010905000 | 8 | 6 | 1 | 80 | 27 | 39 | 50 | +0,10/-0,10 | +0,10/-0,10 | +0,05/-0,05 | Natural/25m |
| 0010910000 | 10 | 8 | 1 | 62 | 20 | 51 | 70 | +0,10/-0,10 | +0,10/-0,10 | +0,05/-0,05 | Natural/25m |
| 0010915000 | 12 | 10 | 1 | 50 | 17 | 62 | 120 | +0,15/-0,15 | +0,10/-0,10 | +0,05/-0,05 | Natural/25m |
| 0010920000 | 14 | 12 | 1 | 36 | 12 | 90 | 180 | +0,15/-0,15 | +0,10/-0,10 | +0,05/-0,05 | Natural/25m |
Other diameters on request | |||||||||||
