2/19
NT 1003-A00 09 18 AZ O e
ECCENTRIC PISTON PUMP
MOUVEX PRINCIPLE
SAFETY, STORAGE, INSTALLATION AND MAINTENANCE INSTRUCTIONS
MODEL : AZ O
TECHNICAL CHARACTERISTICS
• Construction : Cast iron and steel
• Maximum suction pressure : less than 1 barg
• Acceptable maximal differential pressure : 5 bar
• Maximum pump speed : 1500 rpm
• Operating temperature : -15°C to +150°C
• Cylinder capacity : 0,014 litre
TABLE OF CONTENTS
Page
1. OVERALL DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . .3
2. INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
2.1 Choice of pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
2.2 Piping diameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
2.3 Piping assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
2.4 Direction of rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
2.5 Bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
2.6 Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
2.7 Anchoring the pump units . . . . . . . . . . . . . . . . . . . . . . .5
2.8 Alignment of motor / pump and reduction gearbox /
pump shafts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
2.9 Electric motors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
2.10 Diesel engine drive . . . . . . . . . . . . . . . . . . . . . . . . . . .6
2.11 Belt drive transmission . . . . . . . . . . . . . . . . . . . . . . . .6
3. USE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
3.1 Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
3.2 Pumping hot products . . . . . . . . . . . . . . . . . . . . . . . . . .7
3.3 Pump filled with product at shutdown . . . . . . . . . . . . . .7
3.4 Starting-up the pump . . . . . . . . . . . . . . . . . . . . . . . . . .7
3.5 Shutting down the pump . . . . . . . . . . . . . . . . . . . . . . . .7
3.6 Restarting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
4. OPENING THE PUMP TO INSPECT THE CYLINDER/
PISTON AND BUSHINGS . . . . . . . . . . . . . . . . . . . . . . . . .8
4.1 Necessary tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
4.2 Disassembly for inspection . . . . . . . . . . . . . . . . . . . . . .9
4.3 Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
5. MONODIR MECHANICAL SEAL . . . . . . . . . . . . . . . . . . .10
5.1 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
5.2 Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
5.3 Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
6. BYPASS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
6.1 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
6.2 Orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
6.3 Inversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
6.4 Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
6.5 Obtaining the flow . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
6.6 Energy consumption . . . . . . . . . . . . . . . . . . . . . . . . . .13
6.7 Bypass use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
7. MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
7.1 Greasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
7.2 Checking of parts . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
8. DRILLED PISTON PUMP . . . . . . . . . . . . . . . . . . . . . . . . .14
9. STORAGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
9.1 Short duration (≤ 1 month) . . . . . . . . . . . . . . . . . . . . .15
9.2 Long duration (> 1 month) . . . . . . . . . . . . . . . . . . . . .15
10. SCRAPPING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
11. TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . .16
12. CERTIFICATE OF CONFORMITY . . . . . . . . . . . . . . . . .19
Unit without suffix :
Differential pressure, for example, pressure difference between
equipment suction and discharge.
Unit with suffix "a" :
Absolute pressure.
Unit with suffix "g" :
Gauge pressure, given regarding to atmospheric pressure
(~101325 Pa, taken at 1 bar / 14,5 psi in this IOM).
Pompe
P
asp
P
ref
P
suc
P
dis
P
ump
Example :
P
suc
= -0,2 barg = 0,8 bara
P
dis
= 8,8 barg = 9,8 bara
∆
P
=
P
dis -
P
suc = 9 bar
USED PRESSURE UNITS
Definition of safety symbols
This is a SAFETY ALERT SYMBOL.
When you see this symbol on the product, or in the manual,
look for one of the following signal words and be alert to the
potential for personal injury, death or major property damage.
Warns of hazards that WILL cause serious personal injury,
death or major property damage.
Warns of hazards that CAN cause serious personal injury,
death or major property damage.
Warns of hazards that CAN cause personal injury or property
damage.
NOTICE
Indicates special instructions which are very important and
must be followed.
DANGER
WARNING
CAUTION
