Grundfos DMX 226 Installatie- En Bedieningsinstructies pagina 10
Dosing pump
Verberg thumbnails
Zie ook voor DMX 226:
- Installatie- en bedieningsinstructies (36 pagina's) ,
- Installatie- en bedieningsinstructies (14 pagina's)
Advertenties
3.4.2 Suction heights for media with maximum permissible
viscosity
Applies to:
•
Newtonian liquids
•
non-degassing and non-abrasive media
•
temperature of 20 °C
•
standard pump version.
Maximum viscosity
Pump type
[m Pas]
DMX 24-8
1000
DMX 37-5
600
DMX 52-8
700
DMX 60-3
500
DMX 67-10
700
DMX 82-5
500
DMX 95-8
500
DMX 100-8
400
DMX 130-3
400
DMX 132-10
400
DMX 142-8
200
DMX 152-6
400
DMX 160-5
200
DMX 190-8
200
DMX 190-10
200
DMX 199-8
200
DMX 224-5
150
DMX 249-3
100
DMX 255-3
100
DMX 280-6
150
DMX 280-8
150
DMX 315-3
100
DMX 321-4
100
DMX 321-6
100
DMX 380-3
DMX 460-3,5
DMX 460-6
DMX 525-3
DMX 765-3
3.5 Ambient and operating conditions
•
Permissible ambient temperature: 0 °C to +40 °C.
•
Permissible storage temperature: -20 °C to +50 °C.
•
Permissible air humidity: max. relative humidity
(non-condensing): 70 % at +40 °C, 90 % at +35 °C.
The installation site must be under cover!
Ensure that the enclosure class of motor and pump
Caution
are not affected by the atmospheric conditions.
Pumps with electronics are only suitable for indoor
use! Do not install outdoors!
Warning
Risk of hot surfaces!
Pumps with AC motors may become hot.
Allow a minimum space of 100 mm above the fan
cover!
•
Sound pressure level: ± 55 dB(A), testing according to
DIN 45635-01-KL3
•
Minimum counterpressure: 1 bar at the pump discharge valve.
Pay attention to the pressure losses along the way to the
injection point inclusively.
10
Suction height
[mWC]
1
1
1
0
1
1
1
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
50
0
50
0
50
0
50
0
10
0
Pumps with AR control unit only
Maximum permissible mains impedance: 0.084 + j 0.084 Ω
(testing according to EN 61000-3-11).
3.6 Dosing medium
In the event of questions regarding the material
Caution
resistance and suitability of the pump for specific
dosing media, please contact Grundfos.
The dosing medium must have the following basic characteristics:
•
liquid
•
non-abrasive
•
non-flammable.
3.6.1 Permissible media temperature
Dosing head material
PVC
Stainless steel*
PP
PVDF
* For SIP/CIP applications (not with ATEX): A temperature of
145 °C at a counterpressure of max. 2 bar is permitted for a
short period (15 minutes).
Observe the freezing and boiling points of the dosing
Caution
medium!
3.7 Electrical data
3.7.1 Enclosure class
The enclosure class depends on the motor variant selected, see
motor nameplate.
The specified enclosure class can only be ensured if the power
supply cable is connected with the same degree of protection.
Pumps with electronics: The enclosure class is only met if the
sockets are protected! The data regarding the enclosure class
applies to pumps with correctly inserted plugs or screwed-on
caps.
3.7.2 Motor
Version: see motor and pump nameplates.
Temperature range
p < 10 bar
0 °C to +40 °C
-10 °C to +70 °C
0 °C to +40 °C
-10 °C to +60 °C
+70 °C at 9 bar
Advertenties
