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Systèmes de dosage – construction verticale
CVD 1 (s) / CVD 2
Notice d'utilisation
Description of the systems
The system consists of a basic unit which can be supplement-
ed with different options.
7.1
CVD1
7.1.1 CVD1 – Basic unit
The chemical is dosed by a diaphragm pump. The conveying
capacity of the pump can be set at the manual stroke length
adjustment. Depending on the design of the dosing pump, an
additional automatic dosing is possible via pulse or analogue
signals.
The piping on the pressure side consists of a taper seat non-
return valve and a ball valve as end connection. The pump is
protected against overpressure by an overflow valve. A drain
ball valve for evacuation/pressure relief is fitted in the pressure
pipe.
The pump and the corresponding fittings are mounted on a
wall mounting plate with collecting basin.
Fig. 09 CVD1 basic unit
10
Diaphragm pump
Wall mounting plate of PP
20
(with integrated collecting basin and drain plug)
40
Type plate
Piping of PVC-U or PP on the pressure side
100
End connection male thread
Two-way ball valves
110
(shut-off valve)
120
Check valve
130
Diaphragm overflow valve
Two-way ball valves
140
(discharge valve)
End connection on the suction side
N2
Male thread for suction valve of the diaphragm
pump
TA450-11 / fr/en / 01.2017 / PM
7.1.2
CVD1 - options
The following figure shows the basic unit with all options.
Fig. 10 CVD1 with all options
200
Diaphragm pulsation damper
Piping on the suction side
300
(with dirt trap and 2/2 way ball cock)
310
Dirt trap
320
2/2 way ball cock
Piping overflow valve back into the suction pipe
400
(only in connection with piping on the suction side)
450
Multifunction device
600
Terminal box
610
Main switch of pump
650
Socket
700
Leakage sensor solenoid float switch
710
Leakage sensor conductive plate electrode
800
Stand for floor mounting
without Protective roof for drive motor
Detachable splash guard
500
www.sera-web.com
(steel (galvanized) or GFK)
Sous réserve de modifications techniques !
Subject to technical modifications!
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