Installing The Product; Mechanical Installation; Pump Location - Grundfos SPK 1 Montage- Und Betriebsanleitung

2. Installing the product

2.1 Mechanical installation

WARNING
Moving parts
Death or serious personal injury
- Tighten the coupling screws to the
correct torque.
- Install the coupling guards securely to
the pump with the screws intended for
this purpose.
CAUTION
Hot surface
Minor or moderate personal injury
- The pump must be installed so that
persons cannot accidentally come into
contact with the hot surface of the
motor.

2.1.1 Pump location

The pump is designed for tank mounting in vertical
position. The pump is positioned in a hole cut into
the cover of the tank (upper side) and is secured to
the tank by four hexagon head screws through the
holes in the mounting flange. We recommend to fit a
sealing gasket between the pump flange and tank.
If the pump is to be installed horizontally, the drain
hole of the motor stool must be fitted with a plug.
c
L
D1
D2
D3
Fig. 1
Pump mounting flange dimensions:
Pump
D1 D2 D3
type
SPK 1,
100 115 130
2 and 4
SPK 8 140 160 180
4 x X
L C X
∅7.5
64 Rp 3/4
∅7.5
100 Rp 1 1/4
2.1.2 Inlet conditions
The bottom of the pump strainer must be at least 25
mm above the bottom of the tank.
The pumps are designed to provide full performance
down to a level of A mm above the bottom of the
strainer.
At a liquid level between A and B mm above the
bottom of the strainer, the built-in priming screw will
protect the pump against dry running.
Pump type
SPK
Fig. 2
A [mm] B [mm]
40 25
A
B
25 mm
5