4 Technical data
4.5 Sound pressure level
0,00
0,02
0,04
0,06
0,08
0,10
0,12
0 20 40 60 80 100 120
∆p [bar]
Δp Pressure loss
Q Delivery rate
4.5 Sound pressure level
Size Sound pressure level ±3 [dB(A)]
Pump Motor 1 pump + 1 motor 2 pumps + 2 motors
K 5–42 55.0 55.0 58.0 61.0
K 55–118 60.0 62.0 64.0 67.0
L 5–54 57.0 62.0 63.5 66.5
L 55–85 60.0 64.0 66.0 69.0
Tab.5: Sound pressure level
4.6 Weights
Part Unit Small pump station Large pump station
Station block with strainer and revers-
ing valve
[kg] 59 91
Internal pressure maintaining valve [kg] 1.3 1.9
External pressure maintaining valve [kg] 13.0 16.5
Two-way valve, manually operated [kg] 8.1 14.0
Actuator, electrical [kg] 7.3 7.3
Actuator, pneumatic [kg] 5.8 5.8
Differential pressure indicator [kg] 2.2 2.3
Base frame with oil pan [kg] 21 26
Counter flanges, 2 pc. [kg] 2.3 2.6
Pump with coupling and motor [kg] See corresponding operating instructions of the
pump
Tab.6: Pump station weights
10
OID 02en-GB Edition 2019-11
Operating instructions