Grundfos ALLDOS KM 251 - Weight; Stroke Volume; Versions; Etron Profi Electronics (Optional)

KM 251 en
18 15.720148-V1.0
4.3 Weight
4.4 Stroke volume
4.5 Versions
4.5.1 Etron Profi Electronics (optional)
NO: NO contact (normally open)
NC: NC contact (normally closed)
4.5.2 Dosing heads: Materials and Additional Features
For all dosing heads:
• Diaphragm material: PTFE
• with no manual deaeration
Type Dosing Head Material
Weight [kg]
Single / Double pump
KM 251
PVC, PP, PVDF 11 13
1.4571, 2.4610 13 17
Type
Stroke volume [cm
3
]
10bar 16 bar 25 bar
KM 251 3,5 3,1 2,9
Index No. Version Voltage Electronic functions
E026 Pump installation 220-240V 50/60Hz see table below
E028 Pump installation 220-240V 50/60Hz see table below
E036 Wall mounting 220-240V 50/60Hz same as E026
E038 Wall mounting 220-240V 50/60Hz same as E028
E126 Pump installation 110-120V 50/60Hz same as E026
E128 Pump installation 110-120V 50/60Hz same as E028
E136 Wall mounting 110-120V 50/60Hz same as E026
E138 Wall mounting 110-120V 50/60Hz same as E028
Index No.
Electronic Function E026 E028
1: Relay function Output socket 3 Stroke Pre-empty
2: Remote on/off Input socket 2, 4 NO NC
3: Pre-empty signal Input socket 5 NO NC
4: Empty signal Input socket 5 NO NC
5: Error signal Output socket 3 NO NO
6: Relay Output socket 3 NO NO
7: Hall sensor On On
Index No.
Dosing
Head
MBS Heating flange For pump types
D000 PVC — —
D001 V4A — —
D002 PP — —
D003 PVDF — —
D004 Hastelloy C — —
D006 PTFE — —
D007 ALLOY 20 — —
D050 V4A — liquid heating
D053 Hastelloy C — electric heating
D052 V4A — electric heating
p
max
10 bar