Pool filters
Pool filter / accessory, Pool sand filter cylinders and hair interceptors (NGS, NGF, NGM, NGN, stainless -A series, NSZ-A)
Pool filters: pool filter / accessory from the CNP range. 63 models, flow 4.5 to 280 m³/h. Typical duties: swimming pools, spas, water scapes and water parks: sand filtration of pool water; the nsz-a hair interceptor protects the pool pump suction. Open a model for its rated duty, dimensions and datasheet, or send us your duty and we will confirm the selection.
- Polyurethane protective layer against UV (NGS)
- Six-way valve with pressure gauge, side flushing and bottom discharge valve (NGS)
- NGF: sideways six-way valve; NGM: large cylinders with four- or five-position butterfly-valve control sets, optional sight glass and manhole
- NGN: portable all-in-one filter with pump
CNP-S-000070- Flow
- 4.5–280 m³/h
- Head
- up to 0 m
- Mains
- 50 Hz
- Models
- 63
- Liquid temp.
- 5 to 50 °C
Sizes
The 63 models of the Pool filters range grouped by type. Open the Models tab for every model with its performance data.
Models
Filter by duty point, mains frequency or size. Click a model for its performance curve and data.
| Model | Series | Flow m³/h | Head m | Power kW | rpm | Outlet | kg | |
|---|---|---|---|---|---|---|---|---|
| NGS-400 | NGS | 6.3 | 0 | — | — | — | 11.5 | Details |
| NGS-450 | NGS | 7 | 0 | — | — | — | 12.5 | Details |
| NGS-500 | NGS | 10 | 0 | — | — | — | 14 | Details |
| NGS-600 | NGS | 15 | 0 | — | — | — | 19 | Details |
| NGS-700 | NGS | 18.5 | 0 | — | — | — | 22.5 | Details |
| NGS-800 | NGS | 25 | 0 | — | — | — | 39.5 | Details |
| NGS-900 | NGS | 30 | 0 | — | — | — | 40 | Details |
| NGS-1000 | NGS | 35 | 0 | — | — | — | 55 | Details |
| NGS-1100 | NGS | 44 | 0 | — | — | — | 60 | Details |
| NGS-1200 | NGS | 50 | 0 | — | — | — | 68 | Details |
| NGS-1400 | NGS | 68 | 0 | — | — | — | 96 | Details |
| NGF-500 | NGF | 10 | 0 | — | — | — | 14 | Details |
| NGF-600 | NGF | 15 | 0 | — | — | — | 19 | Details |
| NGF-700 | NGF | 18.5 | 0 | — | — | — | 22.5 | Details |
| NGF-800 | NGF | 25 | 0 | — | — | — | 39.5 | Details |
| NGF-900 | NGF | 30 | 0 | — | — | — | 40 | Details |
| NGF-1000 | NGF | 35 | 0 | — | — | — | 57 | Details |
| NGF-1200 | NGF | 50 | 0 | — | — | — | 68 | Details |
| NGN-400 | NGN | 6 | 0 | — | — | — | 24 | Details |
| NGN-500 | NGN | 11 | 0 | — | — | — | 27 | Details |
| NGN-600 | NGN | 14 | 0 | — | — | — | 35.8 | Details |
| NGN-700 | NGN | 19 | 0 | — | — | — | 46 | Details |
| NGM-1200 | NGM | 45 | 0 | — | — | — | — | Details |
| NGM-1400 | NGM | 61 | 0 | — | — | — | — | Details |
| NGM-1600 | NGM | 80 | 0 | — | — | — | — | Details |
| NGM-1800 | NGM | 101 | 0 | — | — | — | — | Details |
| NGM-2000 | NGM | 125 | 0 | — | — | — | — | Details |
| NGM-2350 | NGM | 166 | 0 | — | — | — | — | Details |
| NGM-2500 | NGM | 200 | 0 | — | — | — | — | Details |
| NGM-3000 | NGM | 280 | 0 | — | — | — | — | Details |
| NGS-A350 | NGS-A | 4.5 | 0 | — | — | — | — | Details |
| NGS-A400 | NGS-A | 6.5 | 0 | — | — | — | — | Details |
| NGS-A450 | NGS-A | 8 | 0 | — | — | — | — | Details |
| NGS-A500 | NGS-A | 11.5 | 0 | — | — | — | — | Details |
| NGS-A650 | NGS-A | 16 | 0 | — | — | — | — | Details |
| NGS-A700 | NGS-A | 20 | 0 | — | — | — | — | Details |
| NGS-A800 | NGS-A | 25 | 0 | — | — | — | — | Details |
| NGS-A900 | NGS-A | 30 | 0 | — | — | — | — | Details |
| NGS-A1000 | NGS-A | 35 | 0 | — | — | — | — | Details |
| NGS-A2000 | NGS-A | 50 | 0 | — | — | — | — | Details |
| NGF-A450 | NGF-A | 8 | 0 | — | — | — | — | Details |
| NGF-A500 | NGF-A | 11.5 | 0 | — | — | — | — | Details |
| NGF-A650 | NGF-A | 16 | 0 | — | — | — | — | Details |
| NGF-A700 | NGF-A | 20 | 0 | — | — | — | — | Details |
| NGF-A800 | NGF-A | 25 | 0 | — | — | — | — | Details |
| NGF-A900 | NGF-A | 30 | 0 | — | — | — | — | Details |
| NGF-A1000 | NGF-A | 35 | 0 | — | — | — | — | Details |
| NGF-A1100 | NGF-A | 44 | 0 | — | — | — | — | Details |
| NGF-A1200 | NGF-A | 50 | 0 | — | — | — | — | Details |
| NGF-A1400 | NGF-A | 76 | 0 | — | — | — | — | Details |
| NGM-A1200 | NGM-A | 56 | 0 | — | — | — | — | Details |
| NGM-A1400 | NGM-A | 78 | 0 | — | — | — | — | Details |
| NGM-A1600 | NGM-A | 102 | 0 | — | — | — | — | Details |
| NGM-A1800 | NGM-A | 129 | 0 | — | — | — | — | Details |
| NGM-A2000 | NGM-A | 159 | 0 | — | — | — | — | Details |
| NGM-A2200 | NGM-A | 190 | 0 | — | — | — | — | Details |
| NGM-A2350 | NGM-A | 208 | 0 | — | — | — | — | Details |
| NGM-A2500 | NGM-A | 246 | 0 | — | — | — | — | Details |
| NSZ-A232 | NSZ-A | 35 | 0 | — | — | — | — | Details |
| NSZ-A252 | NSZ-A | 60 | 0 | — | — | — | — | Details |
| NSZ-A300 | NSZ-A | 60 | 0 | — | — | — | — | Details |
| NSZ-A280 | NSZ-A | 130 | 0 | — | — | — | — | Details |
| NSZ-A330 | NSZ-A | 200 | 0 | — | — | — | — | Details |
Dimensions & weight
Net weight and the main dimensions of each model, in millimetres, from the catalogue. Open a model for the labelled dimension drawing.
| Model | Weight (kg) | Overall height H | D | H | Overall Height H | F | E | Perspective Glass |
|---|---|---|---|---|---|---|---|---|
| NGS-400 | 11.5 | 435 | — | — | — | — | — | — |
| NGS-450 | 12.5 | 725 | — | — | — | — | — | — |
| NGS-500 | 14 | 805 | — | — | — | — | — | — |
| NGS-600 | 19 | 875 | — | — | — | — | — | — |
| NGS-700 | 22.5 | 975 | — | — | — | — | — | — |
| NGS-800 | 39.5 | 1145 | — | — | — | — | — | — |
| NGS-900 | 40 | 1255 | — | — | — | — | — | — |
| NGS-1000 | 55 | 1350 | — | — | — | — | — | — |
| NGS-1100 | 60 | 1490 | — | — | — | — | — | — |
| NGS-1200 | 68 | 1555 | — | — | — | — | — | — |
| NGS-1400 | 96 | 1775 | — | — | — | — | — | — |
| NGF-500 | 14 | 590 | — | — | — | — | — | — |
| NGF-600 | 19 | 660 | — | — | — | — | — | — |
| NGF-700 | 22.5 | 740 | — | — | — | — | — | — |
| NGF-800 | 39.5 | 890 | — | — | — | — | — | — |
| NGF-900 | 40 | 960 | — | — | — | — | — | — |
| NGF-1000 | 57 | 1080 | — | — | — | — | — | — |
| NGF-1200 | 68 | 1250 | — | — | — | — | — | — |
| NGN-400 | 24 | — | — | — | 710 | — | — | — |
| NGN-500 | 27 | — | — | — | 805 | — | — | — |
| NGN-600 | 35.8 | — | — | — | 875 | — | — | — |
| NGN-700 | 46 | — | — | — | 965 | — | — | — |
| NGM-1200 | — | — | — | — | 1400 | — | — | 80 |
| NGM-1400 | — | — | — | — | 1600 | — | — | 80 |
| NGM-1600 | — | — | — | — | 1750 | — | — | 80 |
| NGM-1800 | — | — | — | — | 1950 | — | — | 80 |
| NGM-2000 | — | — | — | — | 2230 | — | — | 80 |
| NGM-2350 | — | — | — | — | 2370 | — | — | 80 |
| NGM-2500 | — | — | — | — | 2450 | — | — | 80 |
| NGM-3000 | — | — | — | — | 2660 | — | — | 80 |
| NGS-A350 | — | — | 350 | 750 | — | — | — | — |
| NGS-A400 | — | — | 410 | 770 | — | — | — | — |
| NGS-A450 | — | — | 450 | 830 | — | — | — | — |
| NGS-A500 | — | — | 535 | 870 | — | — | — | — |
| NGS-A650 | — | — | 635 | 970 | — | — | — | — |
| NGS-A700 | — | — | 710 | 1040 | — | — | — | — |
| NGS-A800 | — | — | 900 | 1250 | — | — | — | — |
| NGS-A900 | — | — | 1000 | 1350 | — | — | — | — |
| NGS-A1000 | — | — | 1200 | 1555 | — | — | — | — |
| NGS-A2000 | — | — | 1400 | 1775 | — | — | — | — |
| NGF-A450 | — | — | — | — | — | 450 | 670 | — |
| NGF-A500 | — | — | — | — | — | 535 | 710 | — |
| NGF-A650 | — | — | — | — | — | 636 | 810 | — |
| NGF-A700 | — | — | — | — | — | 710 | 880 | — |
| NGF-A800 | — | — | — | — | — | 800 | 1020 | — |
| NGF-A900 | — | — | — | — | — | 900 | 1110 | — |
| NGF-A1000 | — | — | — | — | — | 1000 | 1140 | — |
| NGF-A1100 | — | — | — | — | — | 1110 | 1280 | — |
| NGF-A1200 | — | — | — | — | — | 1200 | 1385 | — |
| NGF-A1400 | — | — | — | — | — | 1400 | 1600 | — |
| NGM-A1200 | — | — | 1200 | 1400 | — | — | — | — |
| NGM-A1400 | — | — | 1400 | 1600 | — | — | — | — |
| NGM-A1600 | — | — | 1600 | 1750 | — | — | — | — |
| NGM-A1800 | — | — | 1800 | 1950 | — | — | — | — |
| NGM-A2000 | — | — | 2000 | 2140 | — | — | — | — |
| NGM-A2200 | — | — | 2200 | 2300 | — | — | — | — |
| NGM-A2350 | — | — | 2350 | 2350 | — | — | — | — |
| NGM-A2500 | — | — | 2500 | 2450 | — | — | — | — |
Showing 58 of 63 models; the others have no published dimensions.
Spare parts for Pool filters
Typical wear and service parts for this type of pump. The exact part, material and part number depend on the model, so send us the model code (or a nameplate photo) and we confirm and quote the right one.
| Part | What it does | |
|---|---|---|
| Multiport valve | Selects filter, backwash and rinse; the valve gasket is the usual service item | |
| Pressure gauge | Shows when the filter needs backwashing | |
| Under-drain / laterals | Collects filtered water and holds the media in place | |
| Sight glass | Shows the colour of the backwash water | |
| O-rings and seals | Keep the lid, valve and unions watertight | |
| Filter media | Sand or glass media, replaced every few years |
Generic list for this pump type; it is not a part-number catalogue for the series. Our team confirms the correct part for your model before quoting.
Specification & options
Key parameters
- Liquid temperature5 to 50 °C
- Maximum working pressure0.25 MPa (2.5 bar) for the filter cylinders
- Filter cylindersGlass-fibre and resin (NGS, NGF, NGM, NGN); stainless steel (NGS-A, NGF-A, NGM-A)
- Effluent turbidityBelow 2 degrees after the sand filter (NGS)
- Filter sand0.5–0.8 mm fine sand, 1–2 mm coarse sand (NGM)
- Joint assembliesNSA: Φ63 (GB) / Φ60.3 (ANSI) spigot, nut Φ104, height 29 mm; NSC: Φ50 / Φ48.5, nut Φ86, height 28 mm
Four-position butterfly-valve control (NGM)
| Function | A | B | C | D |
|---|---|---|---|---|
| Normal filtration | Open | Closed | Open | Closed |
| Backwash | Closed | Open | Closed | Open |
| Drainage without filtration | Open | Closed | Closed | Open |
| Circulation without filtration | Closed | Open | Open | Closed |
Five-position butterfly-valve control (NGM)
| Function | A | B | C | D | E |
|---|---|---|---|---|---|
| Normal filtration | Open | Closed | Open | Closed | Closed |
| Backwash | Closed | Open | Closed | Closed | Open |
| Bottom pipe cleaning | Open | Closed | Closed | Open | Closed |
| Drainage without filtration | Open | Closed | Closed | Closed | Open |
| Circulation without filtration | Closed | Open | Open | Closed | Closed |
Butterfly-valve sets (NGM)
| Set | Four-position control | Five-position control |
|---|---|---|
| 3" | A-01 | B-01 |
| 4" | A-02 | B-02 |
| 6" | A-03 | B-03 |
| 8" | A-04 | B-04 |
Technical data
Liquid temperature
- 5 to 50 °C
Typical applications
- Swimming pools, spas, water scapes and water parks: sand filtration of pool water
- the NSZ-A hair interceptor protects the pool pump suction
Data basis
- CNP pool pump catalogue E220501, printed pp. 12–19
Performance values are taken from the published CNP catalogue data. Our engineers confirm the final selection for your liquid, temperature, supply and site before quoting.
