HPS Evo is the Labiotest most advanced spraying system used to contain odors and abate dusts.

Spraying process (Osmogenic Barrier)

Odors neutralization by means of a spraying process (osmogenic barrier), with the help of dilution water and certified specific products deprived of polluting agents.

Labiotest osmogenic barriers guarantee high abatement efficiencies of odor concentration up to 80%. All the products are tested and guaranteed by Italian and International Research Organizations.

For a proper diffusion of deodorizing products, it is necessary to use adequate spraying systems in order to guarantee:

  • suitable micronization
  • suitable timing
  • suitable times for activities
  • strategic diffusion

Main advantages

  • High deodorizing efficiency
  • No chemical substances polluting the environment
  • No use of substances yielding by-products
  • The components present do not oxidize and are not affected by air
  • Visible and ultraviolet sunrays do not influence the process
  • The products contain terpenes and natural essential oils that act as olfactometric indicators of optimal dilution

Fields of application

HPS EVO is used in various industries, but particularly in landfills, composting plants or large sewage treatment plants, where the area to be treated is very large and there is a need for a large number of nozzles.

Description and technical characteristics

Feeding voltage

380V – 50 HZ (Three-phase + ground)

Installed power

1,5 kW – 2,2 kW (according to model)


Supporting structure made of galvanized painted steel, with panels dimensions of 850 x 640 x 1250 mm

Control board

Thermal switch as engine protection
Selector for manual - automatic operation
Selector for continuous operation - pause/operation
PLC Easy for alarms management and timing
N. 4 pause/operation timers
N. 16 digital clocks for weekly programming
Hour counter

Hydraulic electric pump

Elastic coupling, electric engine with male coupling shaft, engine head made of brass, ceramics pistons


4-9, 5 -11-13-15 l/min. (according to number of nozzles used)

Work pressure

Recommended 35 - max 70 bars

Revolution speed

1450 rpm

Dosing unit

High-density polyethylene storage reservoir: capacity of 50 liters, complete with floater indicating that the product is finishing
Filtering unit for water supply, with set of 10 and 3 microns filters

High-strength PA 12 polyamide flexible conduit (operating pressure 50 bar)

Diffusers with nickel-plated brass body and stainless steel orificeequipped with anti-drip valve. 

Quick-connect fittings made of stainless steel and/orbrass.

De-icing system (optional)

Digital thermostat with outside probe
Vacuum pump
N. 3 air shut-off solenoid valves
Air reducer with pressure gauge
System timer

HPS Evo nebulizer pump flow rate


NUMBER OF NOZZLES (calculated at the recommended pressure *)

4 l/min - 1450 rpm

Max 32 - Min 20

9,5 l/min - 1450 rpm

Max 75 - Min 45

11 l/min - 1450 rpm

Max 86 - Min 50

13 l/min - 1450 rpm

Max 102 - Min 60

15 l/min – 1450 rpm

Max 120 - Min 72

*At the recommended pressure, nozzles consumption is 7.5 l/h.

Available optional equipment

  • De-icing system
  • UV disinfection system
  • Heating cable
  • Softening system for water supply
  • Pressurization unit
  • Gonio-anemometer

Synergy with filtering systems

All Labiotest supplies are subject to constant technological upgrading.

Building-in osmogenic barriers into dry or wet-filtering systems increases abatement efficiency in a significant way, thus allowing for levels hardly obtainable with one single equipment.

By adopting this type of solution, it is possible to maintain an efficient odor abatement also when the filtering bed is exhausting.

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