Catalogue
Bianca Butterfly Valves
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UL
-v?
BIANCA
Butterfly valve
DN32-900 • Advantage of ULTRAFLON® liner:
Permeation
ON®-PTFE - P
Deformation
under repeated load „Cold flow behavior"
Comparison of
(film thickness 1mm)
Cl
2
HCl
6
40
SQ,
310
He
2860
3
200 ■
40
Loading : 15 N/mm
2
, 4 cycles Duration : 100 hours each cycle Temperature : 23°C (73°F) Perm. deformation after 24 hours recovery
/ Cycles
4
■
■
■
■
■
■
3
■
■
■
_
■
■
■
■
■
■
■
■
2
S
1
-
-
■
■
■
■
■
■
■
0
5 10
Cold flow [%]
15
0 500 1.000 1.500 2.000 2.500 3.000
Permeation [cm
3
/ m
2
x d x bar]
Endurance test (tightness)
Tightness (DIN 3230/3)
■ ULTRAFLON®
■ PTFE
-
e a
TO
l
e
CD £ CD JD
0 2.000
Wear
10.000
20.000 Cycles
Liner
r
a
i
a
l
U
a
l
Disc
-
0 2.000
20.000 Cycles
FLUIDS UNDER CONTROL
InterApp AG
Tel. +41 (0)41 798 22 33
Grundstrasse 24 Fax +41 (o)41 798 22 34
CH-6343 Rotkreuz
http://www.interapp.net
Switzerland info@ch.interapp.net
BIANCA 4/8 (0509)
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