General; Scope; Enquiries And Orders; Technical Data - Zehnder Pumpen ZFS 71.1 W Ex Betriebsanleitung

1. General:

1.1 Scope

This operation manual is valid for the submersible waste water pumps ZFS 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
expires automatically. The manufacturer assumes no liability for damages resulting from such behaviour!
Manufacturer: Zehnder Pumpen GmbH
Zwönitzer Straße 19
08344 Grünhain-Beierfeld
Manufactured sizes: ZFS 71.1 W Ex
Status of the operation manual: January 2013
Inspections/approvals:

1.2 Enquiries and orders:

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

1.3 Technical data:

Rated power
P [KW]
2
Voltage U [V]
Frequency [Hz]
Rated current
Consumption I [A]
-1
Drive n [min ]
Max. discharge flow
Q [m³/h]
max
Max. delivery height
H [m]
max
Max. media
temperature t [° C]
max
Pressure connection
(optional)
Weight with cable [kg]
Duty ratio ED
Minimum fluid level
ZFS 71.1 D Ex
ZFS 71.2 D Ex
ZFS 71.3 D Ex
ZFS 71.4 D Ex
BVS 05 ATEX E 028 X
ZFS 71.1 W ZFS 71.1 D
Ex
1,6
230
10,5
17
22
38
S1 – continuous operation (flooded), S3 - 40 % (emerged)
ZFS 71.2 D
Ex Ex
1,7 1,7
400 400
50
3,7 3,7
2800
17 17
22 25
40
Flange DN 50
38 38
Bottom line of motor housing
19
II 2G EEx d IIB T3
ZFS 71.3 D ZFS 71.4 D
Ex Ex
3,2 3,2
400
400
6,5 6,5
17 17
35 39
44
44