ProMinent gamma/ X User Manual

P_G_0054_SW
Fig. 37: Leakage hole
Interval Maintenance work
Quarterly* In addition:
n Check that the bypass line is fixed firmly to the liquid end.
n Check that the bleed valve is tight.
n Check the discharge and bypass line for kinks.
n Check that the bleed valve is operating correctly.
* Under normal loading (approx. 30% of continuous operation).
Under heavy loading (e.g. continuous operation): Shorter intervals.
Data Value Unit
Tightening torque for screws: 4.5 ... 5.0 Nm
Liquid ends with bleed valve:
Tightening torque
Maintenance
67

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%