KSB Filtra N Bedienungsanleitung
Recirculation Pump for Swimming Pool
Filter Systems
Filtra N
Type Series Booklet
Legal information/Copyright
Type Series Booklet Filtra N
KSB Aktiengesellschaft
All rights reserved. The contents provided herein must neither be distributed, copied, reproduced, edi-
ted or processed for any other purpose, nor otherwise transmitted, published or made available to a
third party without KSB's express written consent.
Subject to technical modification without prior notice.
© KSB Aktiengesellschaft Frankenthal 22.10.2012
Contents
Domestic water supply / swimming pools ........................................................................................................4
Recirculating pump for swimming pool filtering systems ............................................................................................ 4
Filtra N .......................................................................................................................................................................4
Main applications ................................................................................................................................................ 4
Fluids handled ...................................................................................................................................................... 4
Operating data ....................................................................................................................................................4
Designation .......................................................................................................................................................... 4
Design details ....................................................................................................................................................... 4
Materials ..............................................................................................................................................................4
Product benefits .................................................................................................................................................. 4
Technical data ...................................................................................................................................................... 5
Characteristic curves ............................................................................................................................................ 5
Filtra N; 6, 8, 12, 14, 18, 22, 24, 30; n = 2800 min⁻¹ ...................................................................................... 5
Dimensions ........................................................................................................................................................... 6
Scope of supply .................................................................................................................................................... 6
Exploded view and list of components ..............................................................................................................7
Contents
3
Domestic water supply / swimming pools
Recirculating pump for swimming pool filtering
systems
Filtra N
Main applications
▪Swimming pools
Fluids handled
▪Clear water
▪0.4 to 1.4 mg/l free chlorine and max. 0.6 mg/l combined
chlorine; pH value 6.9 to 7.7; water hardness TH 10° to 30°
Salt content up to 7 g/l
Not suitable for seawater (35 g/l)
Operating data
Operating properties
Characteristic Value
Flow rate Q ≤ 36 m3/h (10 l/s)
Head H ≤ 21 m
Fluid temperature t ≤ 35 °C
Operating pressure pd≤ 2,5 bar
Designation
Example: Filtra N 6 E
Key to the designation
Code Description
Filtra N Type series
6 Size; rated flow [m3/h]
6, 8, 12, 14, 18, 22, 24, 30
E Drive
D Three-phase motor
E Single-phase AC motor
Design details
Design
▪Single-stage, self-priming centrifugal pump
▪Horizontal installation
▪Integrated pre-filter consisting of a filter basket with in-
termediate pipe; the filter can be hinged open in the mid-
dle to facilitate cleaning.
Drive
▪230 V single-phase a.c. motor, protected by a temperature
switch with automatic reset.
▪Three-phase motor 230/400 V
▪Surface-cooled
▪Enclosure IP 44
▪Thermal class F
Shaft seal
▪Mechanical seal
Bearings
▪Motor runs in grease-lubricated rolling element bearings
Materials
Overview of available materials
Component Material
Pump casing Polypropylene, 30 % glass fibre rein-
forced with stainless steel ring
Diffuser Polypropylene, glass fibre reinforced
(30 %)
Impeller Noryl GFN2
Cover PMMA
Shaft Chrome steel 1.4028
Motor housing Aluminium
Discharge cover Polypropylene, glass fibre reinforced
(30 %)
Product benefits
▪Corrosion-proof thanks to pump casing made of impact-
resistant plastic material
▪Maintenance-free and reliable due to mechanical seal
▪Energy-efficient and low-noise operation of single-phase
AC motor with integrated overload protection or three-
phase motor
▪Low-clogging, hinged filter basket of patented design
Domestic water supply / swimming pools
Recirculating pump for swimming pool filtering systems
4Filtra N
Technical data
Single-phase AC motor
Size P1
[kW]
p2IN(230 V)
[A]
IN400 V
[A]
Mat. No. [kg]
6 E 0,65 0,40 3,0 - 39300050 9.2
8 E 0,70 0,40 3,2 - 39300051 9.2
12 E 0,80 0,40 3,6 - 39300052 9.2
14 E 0,95 0,70 4,5 - 39300053 11
18 E 1,15 0,70 5,5 - 39300054 11
22 E 1,50 1,20 7,0 - 39300055 13.3
24 E 1,75 1,20 8,0 - 39300056 13.3
Three-phase motor
Size P1
[kW]
p2IN(230 V)
[A]
IN400 V
[A]
Mat. No. [kg]
6 D 0,57 0,40 2,0 1,1 39300057 9.2
8 D 0,60 0,40 2,1 1,2 39300058 9.2
12 D 0,70 0,40 2,3 1,3 39300059 9.2
14 D 0,90 0,70 3,1 1,8 39300060 11
18 D 1,00 0,70 3,5 2,0 39300061 11
22 D 1,40 1,10 5,0 2,9 39300062 13.3
24 D 1,60 1,10 5,5 3,2 39300063 13.3
30 D 2,15 1,50 6,3 3,6 39300064 13.3
Characteristic curves
Filtra N; 6, 8, 12, 14, 18, 22, 24, 30; n = 2800 min⁻¹
2
Q [m3/h]
20
10
0
H
[m]
0302010
Q [l/s]
0 2 4 6 8 10
4
6
8
12
14
16
18
22
Filtra N
8
Filtra N
12
Filtra N
14
Filtra N
18
Filtra N
22 Filtra N
24
Filtra N
30
Filtra N
6
Domestic water supply / swimming pools
Recirculating pump for swimming pool filtering systems
Filtra N 5
Dimensions
Ø 200
195
Ø 12
165
200
160
295
G 2“
G 2“
140 100
115
295
11
A
Dimensions
Dimensions [mm]
Size A
[mm]
6, 8, 10, 12, 14, 18 512,5
22, 24, 30 534
Scope of supply
Depending on the model, the following items are included in
the scope of supply:
▪Pump set
Accessories
Required accessories can be purchased from our distributors.
Domestic water supply / swimming pools
Recirculating pump for swimming pool filtering systems
6Filtra N
Exploded view and list of components
(160)
1x412.01
(745)
(745.01)
2x(412.02)
(101)
4X(563)
160
745
101
4x(563)
(89-12)
433
(230)
1x(412.03)
(331)
1x(412.04)
(420)
230
171
173
(81-22)
(525)
(81.59)
(832)
(831)
831
(81-22)
(833)
4x(900.01)
F iltra N 22; 24; 30
Filtra N 6; 8; 12; 14; 18
5x(900.1)
837
(833)
4x(563)
1x(412.04)
(81-23)
4x(900.02)
(81.93)
(837)
4x(900)
(331)
833
81-59
(81-59)
(81-93)
(837)
4x(900)
(331)
(525)
833
81-59
321 (321)
(931)
(931)
818
(321)
(932)
(818)
1x(412.01)
837
(837)
833
833
4x(900.02)
99.9.01
1x(412.01) 2x(412.02) 1x(412.03) 1x(412.04) 2x(912.1)
(837)
2x(912.01)
(832)
(831)
831
99.9.02
5x(412.01)
(81-23)
171
173
Exploded view
List of components
Part No. Description Part No. Description
101 Pump casing 81-23 Support foot
160 Cover 81-59 Stator
171 Diffuser 81-93 Protective switch
173 Diffuser wall 818 Rotor
230 Impeller 831 Fan impeller
321 Radial ball bearing 833 Terminal box
412.01 Bonnet gasket 837 Capacitor
433 Mechanical seal 99-9 Sealing elements and screws
745 Filter basket
Domestic water supply / swimming pools
Recirculating pump for swimming pool filtering systems
Filtra N 7
2127.5/03-EN 22.10.2012
KSB Aktiengesellschaft
67225 Frankenthal • Johann-Klein-Str. 9 • 67227 Frankenthal (Germany)
Tel. +49 6233 86-0 • Fax +49 6233 86-3401
www.ksb.com
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2
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