General; Scope; Enquiries And Orders; Technical Data - Zehnder Pumpen ZPG 71 Betriebsanleitung

1. General:

1.1 Scope

This operation manual is valid for the submersible waste water pumps ZPG 71.
If the instructions of the operation manual – especially the safety instructions - are not observed, or in case
of unauthorized modifications of the plant or the installation of non-original spare parts, the guarantee ex-
pires automatically. The manufacturer assumes no liability for damages resulting from such behaviour!
Manufacturer: ZEHNDER Pumpen GmbH
Zwönitzer Straße 19
08344 Grünhain-Beierfeld
Manufactured sizes: ZPG 71.1 W Ex
Status of the operation manual: January 2014

1.2 Enquiries and orders:

In case of enquiries or orders, adress yourself to your specialist retailer.

1.3 Technical data:

Rated power
P [KW]
2
Voltage U [V]
Frequency [Hz]
Rated current
Consumption I [A]
Drive n [min -1 ]
Max. discharge flow Q
max
[m³/h]
Max. delivery height
H [m]
max
Max. fluid temperature
t [°C]
max
Pressure connection
(optional)
Weight with cable [kg]
Duty ratio ED
Minimum fluid level
Impeller with 40mm solids handling
Materials:
Motor housing ............... GG 20
Pump housing ............... GG 20
Impeller ......................... GG 20
Auxiliary bearing flange . St 37-2
ZPG 71.2 D Ex
ZPG 71.3 D Ex
ZPG 71.4 D Ex
ZPG 71.1 W ZPG 71.2 D
1,6 1,7
230 400
10,5 3,7
37 37
19 19
38 38
S1 – continuous operation (flooded), S3 - 40 % (emerged)
Bottom line of motor housing
Motor shaft ........................ ...............................1.4021
Bearing flange ................... GG 20
Floating-ring type shaft seal..........SiC (silicon carbide)
Other seals ........................ NBR, FPM
ZPG 71.3 D
3,2
400
50
6,5
2800
53
25
40
flange DN 50
38
15
ZPG 71.4 D
3,2
400
6,5
42
31
44