Filtration device consists of plastic base desk of size 500 x 500 mm, and of polypropylene tank 300 mm in diameter with top 4-way valve and a self-priming pump.
The tank with a pump is connected by flexible hose. Filtration device is supplied in assembled state. This type of a filtration device is suitable before all for smaller overground swimming pools up to cca 25 m3 where it assures a quality swimming pool water purification.

TOP 300 / NIGER 350

SCHEME OF THE PUMP
| voltage V | frequency Hz | input kW | output kW | connection of the pump |
| 230 | 50 | 0,35 | 0,18 | 1 1/2" int. screw thread |
| connection of valve | filter area | weight of the device kg | amount of sand kg | output (m3/h) - water column (m) |
| 1 1/2" int. screw thread | 0,09 | 13,4 | 25 | 6,5-3 6-4 5,5-5 5-6 4,5-7 3,5-8 2-9 |
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Filtration device consists of plastic base desk of size 675 x 500 mm, and of polypropylene tank 400 mm in diameter with top 6-way valve and a self-priming pump.
The tank with a pump is connected by flexible hose. Filtration device is supplied in assembled state. This type of a filtration device is suitable before all for smaller overground swimming pools up to cca 50 m3 where it assures a quality swimming pool water purification.

TOP 500 / SILEN 50

SCHEME OF THE PUMP
| voltage V | frequency Hz | input kW | output kW | connection of the pump |
| 230 | 50 | 0,65 | 0,37 | 50 mm sticking |
| connection of valve | filter area | weight of the device kg | amount of sand kg | output (m3/h) - water column (m) |
| 1 1/2" int. screw thread | 0,12 | 16 | 50 | 6,5-3 6-4 5,5-5 5-6 4,5-7 3,5-8 2-9 |
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Filtration device consists of plastic base desk of size 820 x 500 mm, and of polypropylene tank 500 mm in diameter with top 6-way valve and a self-priming pump.
The tank with a pump is connected by tubular connection. Filtration device is supplied in assembled state. This type of a filtration device is suitable before all for larger swimming pools up to c. 80 m3 where it assures a quality swimming pool water purification.

TOP 500 / SILEN 50

SCHEME OF THE PUMP
| voltage V | frequency Hz | input kW | output kW | connection of the pump |
| 230 | 50 | 0,9 | 0,55 | 50 mm sticking |
| connection of valve | filter area | weight of the device kg | amount of sand kg | output (m3/h) - water column (m) |
| 1 1/2" int. screw thread | 0,19 | 21 | 75 | 13,5-6 12,5-7 12-8 11-9 10,5-10 9,5-11 8,5-12 |
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Filtration device consists of plastic base desk of size 675 x 500 mm, and of divided polypropylene tank 400 mm in diameter with side 6-way valve and a self-priming pump.
The tank with a pump is connected by tubular connection. Filtration device is supplied in assembled state. This type of a filtration device is suitable before all for larger swimming pools up to c. 50 m3 where it assures a quality swimming pool water purification. Advantage of SF design is before all facilitation of sand replacement in the tank.

SF 400 / IRIS 750

SCHEME OF THE PUMP
| voltage V | frequency Hz | input kW | output kW | connection of the pump |
| 230 | 50 | 0,65 | 0,37 | 50 mm sticking |
| connection of valve | filter area | weight of the device kg | amount of sand kg | output (m3/h) - water column (m) |
| 1 1/2" int. screw thread | 0,12 | 21 | 50 | 10-6 9-7 8,5-8 7,5-9 6,5-10 5-11 3-12 |
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Filtration device consists of plastic base desk of size 820 x 500 mm, and of divided polypropylene tank 400 mm in diameter with side 6-way valve and a self-priming pump.
The tank with a pump is connected by tubular connection. Filtration device is supplied in assembled state. This type of a filtration device is suitable before all for larger swimming pools up to c. 80 m3 where it assures a quality swimming pool water purification. Advantage of SF design is before all facilitation of sand replacement in the tank.

SF 500 / SILEN 50

SCHEME OF THE PUMP
| voltage V | frequency Hz | input kW | output kW | connection of the pump |
| 230 | 50 | 0,9 | 0,55 | 50 mm sticking |
| connection of valve | filter area | weight of the device kg | amount of sand kg | output (m3/h) - water column (m) |
| 1 1/2" int. screw thread | 0,19 | 26 | 75 | 13,5-6 12,5-7 12-8 11-9 10,5-10 9,5-11 8,5-12 |
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Filtration device consists of plastic base desk of size 820 x 500 mm, and of divided polypropylene tank 600 mm in diameter with side 6-way valve and a self-priming pump.
The tank with a pump is connected by tubular connection. Filtration device is supplied in assembled state. This type of a filtration device is suitable before all for larger swimming pools up to c. 100 m3 where it assures a quality swimming pool water purification. Advantage of SF design is before all facilitation of sand replacement in the tank.

SF 600 / SILEN 75

SCHEME OF THE PUMP
| voltage V | frequency Hz | input kW | output kW | connection of the pump |
| 230 | 50 | 1,3 | 0,75 | 50 mm sticking |
| connection of valve | filter area | weight of the device kg | amount of sand kg | output (m3/h) - water column (m) |
| 1 1/2" int. screw thread | 0,28 | 30 | 125 | 16-6 15-7 14-8 13,5-9 13-10 12-11 11-12 |
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Filtration device consists of plastic base desk of size 600 x 450 mm, and of divided polypropylene tank 350 mm in diameter with top 6-way valve and a self-priming pump.
The tank with a pump is connected by tubular connection. Filtration device is supplied in assembled state. This type of a filtration device is suitable before all for smaller and medium swimming pools up to 30 m3.
VARIO design is an innovation on the market – there are advantages of TOP and SF design combined in it. These advantages are smaller construction dimensions in regard to top placement of valve which lowers demands on assembly space of filtration device. Still, there is preserved advantage of divided tank for facilitation of sand replacement, where it assures a quality swimming pool water purification. Advantage of SF design is before all facilitation of sand replacement in the tank. Asymmetrically divided tank enables filling the tank with higher layer of filter sand whereby the filter area gets larger and high-quality swimming pool water purification.

VARIO 350 / IRIS 500

SCHEME OF THE PUMP
| voltage V | frequency Hz | input kW | output kW | connection of the pump |
| 230 | 50 | 0,45 | 0,25 | 50 mm sticking |
| connection of valve | filter area | weight of the device kg | amount of sand kg | output (m3/h) - water column (m) |
| 1 1/2" int. screw thread | 0,10 | 20 | 35 | 7,5-6 7-7 6-8 5-9 3,5-10 2-11 |
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Filtration device consists of plastic base desk of size 675 x 500 mm, and of divided polypropylene tank 450 mm in diameter with top 6-way valve and a self-priming pump.
The tank with a pump is connected by tubular connection. Filtration device is supplied in assembled state. This type of a filtration device is suitable before all for smaller and medium swimming pools up to 65 m3. VARIO design is an innovation on the market – there are advantages of TOP and SF design combined in it. These advantages are smaller construction dimensions in regard to top placement of valve which lowers demands on assembly space of filtration device. Still, there is preserved advantage of divided tank for facilitation of sand replacement, where it assures a quality swimming pool water purification. Advantage of SF design is before all facilitation of sand replacement in the tank. Asymmetrically divided tank enables filling the tank with higher layer of filter sand whereby the filter area gets larger and high-quality swimming pool water purification takes place.

VARIO 450 / SILEN 30

SCHEME OF THE PUMP
| voltage V | frequency Hz | input kW | output kW | connection of the pump |
| 230 | 50 | 0,7 | 0,37 | 50 mm sticking |
| connection of valve | filter area | weight of the device kg | amount of sand kg | output (m3/h) - water column (m) |
| 1 1/2" int. screw thread | 0,16 | 28 | 75 | 11-6 10,5-7 10-8 9-9 7,5-10 6-11 |
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All the swimming pool pumps ESPA are self-priming pumps and are equipped by a large hair filter. Continuous development of the pumps ESPA including a specialty in form of a vibration damper mounted on the base ensure absolutely quiet and regular operation of the filtration devices. Backstop on the transparent lid prevents stalling or breaking the lid. Suction is integrated into the lid of the hair-filter in a type Niper. Separate chassis of the pumps are made of hardened plastic.

IRIS

NIGER

SILEN

TIFON

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