Grundfos DMX 221 Instrucciones De Instalación Y Funcionamiento página 26

Code Description
AT8 Servomotor, 1 x 230 V, 50/60 Hz, 1 KΩ potentiometer control
AT9 Servomotor, 1 x 115 V, 50/60 Hz, 1 KΩ potentiometer control
ATP Servomotor, 1 x 24 V, 50/60 Hz, 1 KΩ potentiometer control
Example: DMX 4-10 B-PP/E/T-X-E1B3B3E0
Position 5: Dosing head variant
Code Description
PP Polypropylene
PV Polyvinylidene difluoride (PVDF)
PVC Polyvinyl chloride
SS Stainless steel, 1.4571 (EN 10027-2), 316Ti (AISI)
PP-L PP dosing head with diaphragm leakage sensor
PV-L PVDF dosing head with diaphragm leakage sensor
PVC-L PVC dosing head with diaphragm leakage sensor
SS-L Stainless steel dosing head with diaphragm leakage sensor
SS-HC Stainless steel dosing head with liquid-heated flange
PVC-R PVC dosing head with integral relief valve
PV-R PVDF dosing head with integral relief valve
PV-RL PVDF dosing head with integral relief valve and diaphragm leakage sensor
PVC-RL PVC dosing head with integral relief valve and diaphragm leakage sensor
Example: DMX 4-10 B-PP/E/T-X-E1B3B3E0
Position 6: Gasket
Code
E
V
T
Example: DMX 4-10 B-PP/E/T-X-E1B3B3E0
Position 7: Valve ball
Code Description
G Glass
T PTFE
SS Stainless steel, 1.4401 (EN 10027-2), 316Ti (AISI)
C Ceramic
Example: DMX 4-10 B-PP/E/T-X-E1B3B3E0
Position 8: Control unit
Code Description
X No control unit
F VFD or AR on the opposite side of the dosing pump in relation to the dosing head
S VFD or AR on the same side of the dosing pump as the stroke-length adjusting knob
W AR control unit to be mounted on the wall
Example: DMX 4-10 B-PP/E/T-X-E1B3B3E0
Description
EPDM
FKM
PTFE
DMX 221 | | 26