Dover Almatec Biocor B 20 Series Petunjuk Pengoperasian dan Pemasangan - Halaman 10

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Dover Almatec Biocor B 20 Series Petunjuk Pengoperasian dan Pemasangan
Barrier system (option code B)
To comply with high safety standards, the barrier system replaces the standard diaphragm [15] by a tandem
arrangement of two diaphragms [15,46] and a barrier chamber [40] of transparent PMMA filled with a non-
conductive liquid (De-ionised water) in between. To ensure the correct operation of the pump, the barrier
chambers [40] have to be filled completely. In case a diaphragm breaks, the conductivity of the barrier liquid
rises which is registered by the conductivity sensors [43]. The minimum conductivity of 22 µS covers a wide
range of media. Otherwise, a conductive barrier liquid can be filled into the chamber, so that the liquid
emerging in case of a diaphragm rupture causes a decrease in conductivity to be registered. After using for
some time the De-ionised water can be pollute with germs. In this case the water needs to be replaced.
The barrier system is available in three variations:
• B 1
Barrier system with sensors, standard
• B 3
Barrier system complete with sensors and controller
• B 4
Barrier system complete with sensors and controller for explosion proof zone
The sensors can either be connected to an existing controller (code B 1) or to the controller included (code
B 3 / B 4). The wiring diagram and technical data can be found on the controller itself.
For further details, please refer to the data delivered by the manufacturers of the components.
Size
Code
Item Piece Description
B 1
13
1
Shaft
14
2
Set screw, shaft, barrier chamber
20
1
Center block
22
1
PERSWING P® air controll system, cpl.
40
2
Separation chamber ring
43
4
Conductivity sensor
44
8
O-ring, separation chamber
45
4
Plug
46
2
Inner diaphragm
47
2
Spacer
B 3
as B 1, but additional:
-
1
Conductivity controller
B 4
as B 1, but additional:
-
1
Conductivity controller Ex
Carl-Friedrich-Gauss-Str. 5 · 47475 Kamp-Lintfort · Germany
Telephone ++49.2842.9610 · Telefax ++49.2842.96140
http://www.almatec.de · e-mail: [email protected]
16
Subject to change without notice, 2008/09 (replaces 2008/08)
ALMATEC Maschinenbau GmbH
B 20
Material
Part number
1.4301
5 20 245 22
1.4305
9 10 223 22
PE conductive
1 15 240 55
PETP
2 15 001 84
PMMA
5 20 176 58
PTFE-L
1 10 074 65
EPDM
9 03 509 72
PA
1 10 077 53
EPDM
1 15 131 72
PETP
5 20 178 84
diverse
1 00 075 99
diverse
1 00 175 99
B 32
Part number
5 32 245 22
9 12 224 22
1 25 240 55
2 15 001 84
5 32 176 58
1 10 074 65
9 03 509 72
1 10 077 53
1 25 131 72
-
1 00 075 99
1 00 175 99