Type Key - Grundfos DMH 251 Installation And Operating Instructions Manual

6.2 Type key

Example:
Type range
DMH
Maximum flow [l/h]
Maximum pressure [bar]
Control variant
B Standard
AR* AR control unit (analog/pulse control)
S1 Stroke output
AT0 Prepared for servomotor
Servomotor, 1 x 230 V, 50/60 Hz supply,
AT3
4-20 mA control
Servomotor, 1 x 115 V, 50/60 Hz supply,
AT5
4-20 mA control
Servomotor, 1 x 230 V, 50/60 Hz supply,
AT6
4-20 mA control, EEx d II BT 4
Servomotor, 1 x 115 V, 50/60 Hz supply,
AT7
4-20 mA control, EEx d II BT 4
Servomotor, 1 x 230 V, 50/60 Hz supply,
AT8
4-20 mA control, 1 kΩ potentiometer
Servomotor, 1 x 115 V, 50/60 Hz supply,
AT9
4-20 mA control, 1 kΩ potentiometer
Dosing head variant
PP Polypropylene
PV PVDF (polyvinylidene fluoride)
PVC Polyvinyl chloride
SS Stainless steel, DIN 1.4571
Hastelloy ® C
Y
PP-L PP + integrated diaphragm leakage detection
PV-L PVDF + integrated diaphragm leakage detection
PVC-L PVC + integrated diaphragm leakage detection
SS-L SS + integrated diaphragm leakage detection
Y-L Y + integrated diaphragm leakage detection
SS-H SS + heating flange in dosing head (electric)
Gasket material
E EPDM
V FKM
T PTFE
Valve ball material
C Ceramics
G Glass
T
PTFE
SS Stainless steel, DIN 1.4401
Hastelloy ® C
Y
Control panel position
X No control panel
F Front-mounted (opposite to the dosing head)
S Side-mounted (same side as the stroke-length adjustment knob)
Sx Side-mounted (side opposite to the stroke-length adjustment knob)
W Wall-mounted
* Only pumps up to and including 0.37 kW and only single-phase pumps
DMH 100 - 10 AR PP /E /T -F -G 1 B9B9 F E0
Motor variant
E0
E1
E2
E3
Mains plug
X
F
B
I
E
Connection, suction/discharge
B6
C2
C4
4
6
B9
Q
S
A
A1
V
A9
A3
A7
B8
B1
B2
B3
B4
B7
C1
P
Valve type
1
2
3
4
5
Supply voltage
0
F
G
H
5
E
K
PTC motor for frequency control
Motor type EEx de C T3, 3 x 400 V, 50 Hz
Motor type EEx de C T4, 3 x 400 V, 50 Hz
API approval
No plug
EU (Schuko)
USA, Canada
Australia, New Zealand, Taiwan
Switzerland
Pipe, 4/6 mm
Pipe, 8/10 mm
Pipe, 20/25 mm
Tube, 6/9 mm
Tube, 9/12 mm
Tube, 19/27 mm, PVC
Tube, 19/27 mm and 25/34 mm
Tube, 3/8" / 1/2"
Threaded, Rp 1/4, female
Threaded, Rp 3/4, female
Threaded, 1/4" NPT, female
Threaded, 1/2" NPT, male
Threaded, 3/4" NPT, female
Threaded, 3/4" NPT, male
Cementing d. 40 mm and flange DN 32
Tube 6/12 mm/cementing d. 12 mm
Tube 13/20 mm/cementing d. 25 mm
Welding d. 16 mm
Welding d. 25 mm
Welding d. 40 mm and flange DN 32
Welding flange DN 32, stainless steel
Flange 1 1/4"
Standard
Spring-loaded
0.05 bar suction opening pressure;
0.05 bar discharge opening pressure
Spring-loaded
0.05 bar suction opening pressure;
0.8 bar discharge opening pressure
Spring-loaded, discharge side only,
0.8 bar opening pressure
For abrasive media
Without motor, IEC flange
Without motor, NEMA flange (US)
1 x 230 V, 50/60 Hz
1 x 120 V, 50/60 Hz
3 x 230/460 V, 60 Hz
230/400 V, 50/60 Hz
440/480 V, 60 Hz
3 x 500 V 50 Hz
7