Grundfos NKG series Montage- Und Betriebsanleitung Seite 8

Components of pressure intensifier
5
Fig. 8 Exploded view of pressure intensifier
Pos. Designation
1 Pressure intensifier
2 Piston
3 Diaphragm
4 Non-return valve
5 Relief valve, opening pressure 25 bar
6 Vent screw
7 Spring for piston
8 Pressure gauge (barrier fluid)
9 Pressure gauge (pumped liquid)
Dimensions of pump with pressure intensifier
Fig. 9 Pump with pressure intensifier
Dimensions apply to all NKG pump sizes
Shaft seal diameter
28 38
a [mm] - -
b [mm] - -
8
8
6
4
3
2
1
7
9
b
a
48 55 60
383 300 300
310 380 380