ProMinent gamma/ X User Manual

4. Shorten the return line so that it is not immersed in the feed chem‐
ical in the storage tank.
1
2
3
4
5
P_MAZ_0023_SW_3
Fig. 12: SEK liquid end
1 Anti-kink device
2 Bleed valve for the return line into the storage tank, 6/4 mm
3 Red sleeve
4 Discharge valve for discharge line to the injection point, 6/4 - 12/9 mm
5 Suction valve for suction line in the storage tank, 6/4 - 12/9 mm
8.2 Basic installation notes
CAUTION!
Danger resulting from rupturing hydraulic components
Hydraulic components can rupture if the maximum permis‐
sible operating pressure is exceeded.
– Never allow the metering pump to run against a closed
shut-off device.
–
With metering pumps without integral relief valve: Install
a relief valve in the discharge line.
CAUTION!
Hazardous feed chemicals can escape
With hazardous feed chemicals: Hazardous feed chemical
can leak out when using conventional bleeding procedures
with metering pumps.
– Install a bleed line with a return into the storage tank.
Shorten the return line so that it does not dip into the feed chemical
in the storage tank.
Safety notes
Installation, hydraulic
32

ProMinent gamma/ X Specifications

General

Protection class	IP65
Max. Pressure	25 bar
Power supply	100-230 V, 50/60 Hz
Material of pump head	PVDF, Stainless steel
Temperature range	-10 °C to +45 °C
Type	Diaphragm dosing pump
Stroke length	Adjustable
Stroke frequency	max. 180 strokes/min
Materials in contact with the medium	PVDF, PTFE, stainless steel
Control	Manual, external control via contacts or 0/4-20 mA signal
Control Options	External, potential-free contacts, 0/4-20 mA
Dosing Accuracy	±2%