A B
P
O
N
M
Fig. 2: PrimoSol® 130-4, flow and return with filling and flushing valves and vent pot
Product description
C D
L
A. Flow
E
B. Return
C. Ball valve, blue, can be shut off,
F
with gravity brake and thermome-
ter
D. Safety group assembly
G
E. Safety valve
H
F. Discharge opening
I
G. Pressure gauge with mounting
J
valve
K
H. Connection for expansion vessel
I. Circulation pump
J. Shut-off
K. Filling and flushing valves
L. Flow meter
M. Insulation
N. Vent pot
O. Vent valve with hand wheel
P. Ball valve, red, can be shut off,
with gravity brake and thermome-
ter
PrimoSol® 130
EN
8