ROTORFLUSH SELF CLEANING SUBMERSIBLE PUMPS
Do you have problems with pumps, filters, valves
or nozzles blocking with debris?
Rotorflush Filters manufactures self cleaning suction filters that protects pumps and any upstream nozzles and valves from blockage. They are being used by major players in the water and chemical industries and many smaller companies worldwide.
The products include a range of submersible pumps with integral self cleaning intake filters and self cleaning filters for fitting to the suction hose of surface mounted pumps. Screen apertures range from 6mm to 50 microns, flow rates to 30m3/hr
For more information visit the manufacturers website at www.rotoflush.com
How it works
The basic principle is the same for all our filters, a cleaning rotor inside the filter continuously backflushes the filter screen. The main flow, (blue arrows), is through the filter screen and up into the pump. The backflush flow, (red arrows), recycles filtered water from inside the filter and blasts it back through the filter screen removing any debris. The whole screen is continuously cleaned every ½ second.
Applications
- Recycling of water for lorry washes and vegetable washing
- Supply of water to online analysers
- Recycling water at sewage works for washdown of inlet screens
- Landscape irrigation and agricultural dirty water systems.
- Recycling of water for laundries
- Reducing suspended solids in effluent prior to discharge.
- Rainwater harvesting systems
- Land fill site effluent pumping and dewatering of tanks and lagoons.
These are just a few of the applications that our customers have found.
Technical Specifications Rotorflush Filterpumps
| Pump Construction | ||
|---|---|---|
| Liquid Handled | Type of Liquid | Water containing suspended solids (max 2000mg/litre for 250 micron screen) |
| Max temperature | 40 C | |
Maximum immersion (m) |
20 | |
Construction |
Impeller | Closed centrifugal type (multiple stages) |
| Shaft seal type | Double mechanical seal with oil chamber | |
| Bearing | Sealed ball bearing | |
| Pipe connection | Inlet | Self cleaning strainer |
| Outlet | G 1¼” (female) | |
Materials |
Casing | AISI 304 |
| Casing cover | AISI 304 | |
| Impeller | AISI 304 Stainless steel | |
| Diffuser | AISI 304 Stainless steel | |
| Shaft | AISI416 | |
| Shaft seal | Pump side: Sic/Sic/FPM Motor side: Carbon/Ceramic/NBR |
|
| Lubricating Liquid | White mineral oil: Esso Marcol 82 (50 ml) |
|
| Motor Construction | ||
|---|---|---|
| Type | Submersible dry type | |
| Single Phase | Three Phase | |
| No. of Poles | 2 | |
| Rotation speed (min -1) | 2800 | |
| Insulation Class | Class F | |
| Protection degree | IP 68 | |
| Power rating | kW 1.1 – 2.2 | 1.5 – 3.0 |
| HP 1.5 – 3.0 | 2.0 – 4.0 | |
| Frequency | 50 Hz | |
| Voltage (V) | 220 – 240 | 380 - 415 |
| Capacitor | external | - |
| Overload protection | 1.1 kW built in >1.1kW provided by user | Provided by user |
| Float Switch | Optional | - |
| Power cable material Length (metres) |
H07RN-F | |
| 20 | ||
| Type of cable entry | Cable gland | |
| Self cleaning inlet filter construction | |
|---|---|
| Filter screen area | 476 cm2 |
| Screen sizes | Standard 300 micron 200, 100 and 50 microns available |
| Screen material | Polyester |
| Impeller extension shaft | AISI 304 |
| Impeller | AISI 304 stainless steel |
| Rotor | Acetal copolymer |
| Rotor bearings | Silicon carbide Acetal copolymer housing |
| Filter cage | AISI304 stainless steel |
| Pump model | N9316 | N9416 | N9516 | N9616 | N9716 | N9816 | N9916 |
|---|---|---|---|---|---|---|---|
| Dimension mm (Height) Diameter mm (Width) |
650 215 |
730 215 |
760 215 |
790 215 |
820 215 |
850 215 |
880 215 |
| Weight (Kg) single phase three phase |
20.7 - |
23.7 21.2 |
25.7 24.2 |
26.2 24.7 |
- 26.7 |
- 27.2 |
- 27.7 |
| Output | C | ||||||
| Nominal output power (KW) | 1.1 | 1.5 | 2.2 | 2.2 | 3.0 | 3.0 | 3.0 |
|
Float Switch available (Single phase only) |
Yes | Yes | Yes | Yes | No | No | No |
|
T= Three Phase M= Single Phase |
M | T&M | T&M | T&M | T | T | T |
| Type Pumps | Power | Capacitor Single Phase |
Input (KW) |
Full Load Current (A) |
||||
|---|---|---|---|---|---|---|---|---|
| Single Phase 230V 50Hz |
Three Phase 230/400V 50Hz |
KW | HP | uF | V1 | Single Phase | Three Phase | |
| N9316M | - | 1.1 | 1.5 | 30 | 450 | 1.6 | 7.5 | - |
| N9416M | N9416T | 1.5 | 2 | 35 | 450 |
2.1 | 10.2 | 3.65 |
| N9516M | N9516T | 2.2 | 3 | 45 | 450 | 2.5 | 11.8 | 4.5 |
| N9616M | N9616T | 2.2 | 3 | 45 | 450 | 2.8 | 13.0 | 5.1 |
| N9716T | 3 | 4 | - | - | 3.2 | - | 6.3 | |
| N9816T | 3 | 4 | - | - | 3.6 | 6.9 | ||
| N9916T | 3 | 4 | - | - | 4.0 | - | 7.4 |
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