Type Key; Multi-Function Valve Data - Grundfos MFV Serie Montage- Und Betriebsanleitung

3.3 Type key

Code Example
MFV Multi-function valve
Pump connection
5/8 G 5/8
Relief pressure
10 10 + 2 bar
16 16 + 2 bar
Connection material
PP Polypropylene
PVC Polyvinyl chloride
PV Polyvinylidene fluoride (PVDF)
Gasket material
E EPDM
V FKM
T PTFE
Connection, discharge side/relief side
U2 Combined connection for hose 4/6 mm, 6/9 mm, 9/12 mm
U7 Combined connection for hose 0.17" x 1/4", 1/4" x 3/8", 3/8" x 1/2"

3.4 Multi-function valve data

Values are valid for media with a viscosity similar to that of water. For media with a higher viscosity, the specified pressures will be higher.
Preset valve working pressures
Pump-side
Approx. opening
connection
pressure
[bar]
G 5/8 3-4
6
Max.
operating
Approx. relief
pressure
pressure Housing
[bar]
[bar]
10 + 2
16
16 + 2
MFV
Materials
Connections Gasket
PVC/PP/ FKM/EPDM/
PVDF
PVDF PTFE
5/8- 10 PP/ E U2
Max.
Pump
flow rate
types
[l/h]
DDA, DDC,
60 DDE, DDI,
DMX, DMH