2/19
NT 1003-E00 09.12 AK O - AK I e
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.
SAFETY INFORMATIONS
WARNING
CAUTION
DANGER
ECCENTRIC PISTON PUMP
MOUVEX PRINCIPLE
SAFETY, STORAGE, INSTALLATION AND MAINTENANCE INSTRUCTIONS
MODELS : AK O - AK
I
TECHNICAL CHARACTERISTICS
• Constructions :
O : Cast iron and steel
i : Ni-resist iron, Kanigen coated iron and stainless
steel
• Maximum suction pressure : less than 1 barg
• Acceptable maximal differential pressure :
* Construction O : 5 bar
* Construction I :
3,5 bar
• Maximum pressure jacket : 8 barg
• Maximum pump speed : 520 rpm
• Maximum operating temperature :
* 150°C with FKM seals
• Cylinder capacity : 0,399 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 Single bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
2.6 Double bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
2.7 Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
2.8 Anchoring the pump units . . . . . . . . . . . . . . . . . . . . . . .5
2.9 Alignment of motor / pump and reduction gearbox /
pump shafts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
2.10 Electric motors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
2.11 Diesel engine drive . . . . . . . . . . . . . . . . . . . . . . . . . . .6
3. USE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
3.1 Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
3.2 Pumping hot products . . . . . . . . . . . . . . . . . . . . . . . . . .7
3.3 Pump with heating jacket . . . . . . . . . . . . . . . . . . . . . . .7
3.4 Pump filled with product at shutdown . . . . . . . . . . . . . .7
3.5 Starting-up the pump . . . . . . . . . . . . . . . . . . . . . . . . . .7
3.6 Shutting down the pump . . . . . . . . . . . . . . . . . . . . . . . .7
3.7 Scrapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
4. OPENING THE PUMP TO INSPECT THE CYLINDER/
PISTON AND BUSHINGS . . . . . . . . . . . . . . . . . . . . . . . . .8
4.1 Necessary tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
4.2 Removing the front cover . . . . . . . . . . . . . . . . . . . . . . .9
4.3 Removing the piston and cylinder . . . . . . . . . . . . . . . .9
4.4 Assembly of the cylinder, piston and front cover . . . . .9
5. MECHANICAL SEALS . . . . . . . . . . . . . . . . . . . . . . . . . . .10
5.1 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
5.2 Dismantling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
5.3 Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
6. BYPASS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
6.1 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
6.2 Orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
6.3 Inversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
6.4 Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
6.5 Obtaining the flow . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
6.6 Energy consumption . . . . . . . . . . . . . . . . . . . . . . . . . .14
7. MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
7.1 Greasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
7.2 Checking of parts . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
8. DRILLED PISTON PUMP . . . . . . . . . . . . . . . . . . . . . . . . .15
9. PUMP WITH JACKET . . . . . . . . . . . . . . . . . . . . . . . . . . .15
10. TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . .16
11. 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
