Multi-level control

The success of the range of float with external ballast level regulators offered by ATMI resides in the many possible variants with neoprene, PVC, HR HY and EPDM cables in 3x0.75, 2x1, 3x1, 3G1 mm2 versions.

This range is compatible with a variety of installation environments and in ATEX and ACS certified versions.

These omnidirectional float level switches, allowing to close or open an electrical circuit whatever their position in the tank, have the particularity of having a low switching angle for precise level control.


It is sufficient to place a float at the high level and a second at the desired low level, without limitation of level differential, to obtain pump control. A third float level switch can be positioned more or less low in high/low safety to connect an audible or visual alarm, essential to protect the pump or in case of overflow.

For a second pump, a fourth float level switch positioned as desired will trigger its start. In this case, the lower device will be common to all pumps. This is the simplest, most economical and most widespread level control system in the world.

Thanks to its extensive range of float with external ballast level regulators, ATMI offers you the float level switch best suited to your pumping stations whatever the liquid.

 

 


 

 

ATMI regulators comparison table

SOBA SMALL

SOBA S (SPEED)

SOBA

SOBA HR HY

SOBA EX

SOBA EP

+/- 25deg

Admissible fluid densities

+/- 10deg (vertical)

Admissible fluid densities

+/- 25°

Allowable fluid densities

+/- 25°

Allowable fluid densities

+/- 25°

Allowable fluid densities

+/- 25°

Admissible fluid densities

0.70 to 1.25 kg/dm3

Electrical characteristics

0.70 to 1.25 kg/dm3

Electrical characteristics

0.70 to 1.15 kg/dm³

Electrical characteristics

0.70 to 1.25 kg/dm³

Electrical characteristics

0.80 to 1.10  kg/dm³

Electrical characteristics

0.70 to 1.15  kg/dm³

Electrical characteristics

3.6 to 250 V

Breaking capacity

3.6 to 250 V

Breaking capacity

3.6 to 250 V

Switching capacity

3.6 to 250 V

Switching capacity

 250 VAC 10 mA min  / 12 VAC / VDC 100 mA min 

Switching capacity

3.6 to  250 V

Breaking capacity

16 (6) A

Admissible operating pressure

16 (6) A

Admissible operating pressure

16 (6) A 

Allowable operating pressure

16 (6) A 

Allowable operating pressure

10 (4) A 

Allowable operating pressure

16 (6) A 

Admissible operating pressure

3.5 bars

Maximum temperature

3.5 bars

Maximum temperature

3.5 bars

Max temperature

4 bars

Max temperature

4 bars

Max temperature

3.5 bars

Maximum temperature

85 degC

Protection rating

85 degC

Protection rating

85 °C

Protection rating

90 °C

Protection rating

90 °C - (T6 i.e.: -20°C to +70°C)

Protection rating

85 °C 

Protection rating

IP 68

Biconical housing

IP 68

Biconical housing

IP 68

Biconical housing

IP 68

Biconical housing

IP 68

Biconical housing

IP 68

Biconical housing

Copolymer polypropylene

Cable

Copolymer polypropylene

Cable

Copolymer polypropylene

Cable

Copolymer polypropylene + Copolymer polypropylene + Special copolymer polypropylene ACS certified

Cable

Neoprene cable, HR HY cable

Float weight without cable

Neoprene cable, HR HY cable

Float weight without cable

Neoprene, HR HY

Float weight without cable

Hypalon

Cable

Hypalon

Cable

PVC, EPDM ACS certified

Float weight without cable

110 g

Ballast

320 g

Ballast

200 g

Ballast

HR HY (High Resistance Hypalon)

Float weight without cable

HR HY (High Resistance Hypalon)

Float weight without cable

200 g

Ballast

250 g filled resin

Cable lengths

250 g filled resin

Cable lengths

250 g filled resin

Cable lengths 

295 g

Ballast

295 g

Ballast

230 g Stainless steel 316L

Cable lengths 

On request

Dimensions

On request

Dimensions

On request

Dimensions

250 g filled resin

Cable lengths 

250 g filled resin

Cable lengths 

On request

Dimensions

Height: 130mm - Diameter 70mm Height: 152mm - Diameter 92mm Height: 170mm - Ø 80mm On request

Dimensions

On request

Dimensions

Height: 170mm - Ø 80mm

 

SOBA SMALL

SOBA SMALL is a liquid level regulator, technically similar to the SOBA model, but specially designed for small tanks or confined spaces. It detects the reaching of a level by tilting, which activates an electrical contact connected to a control panel.

SOBA SMALL level regulator

SOBA S (Speed)

SOBA S is a vertical trigger level regulator, specially designed for applications in confined spaces where traditional floats do not have enough space to tilt. The SOBA S level regulator is suitable for automatic pump control for clear water and wastewater.

SOBA S (Speed) level regulator

SOBA

The SOBA level regulator is ideal for level detection in loaded wastewater. It operates by tilting the float connected to a control panel that closes or opens the pump supply circuit.

SOBA level regulator

SOBA HR HY

SOBA HR HY is a float level regulator specially designed for automatic pump control in demanding and corrosive environments, such as aggressive chemical liquids or hydrocarbons.

SOBA HR HY level regulator

SOBA EX

Designed to combine safety, reliability and durability, the ATEX certified SOBA EX level regulator represents the ideal solution for level control in explosive atmospheres classified zones 0, 1, 2 for gases and 20, 21, 22 for dust, where precision and robustness are essential.

SOBA EX level regulator

SOBA EP

The ACS certified SOBA EP level regulator (Sanitary Compliance Attestation) is manufactured with special materials dedicated to permanent immersion in drinking water for human consumption, food environments thanks to its adjustable ballast in AISI 316L stainless steel for food use.

SOBA EP level regulator
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