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Wholesalers of spares & accessories for the cleaning equipment industry, supplying only to the trade.
The Suttner ST160 foam injector has a restrictive orifice that the water stream is forced through. Operating this foam injector with a foam lance or low pressure nozzle causes a vacuum effect within the injector, which draws chemical up into the water stream. To ensure you select the correct foam lance or foam head for your injector please use our interactive chart below, you will need to know the flow and pressure of the machine you will be operating on.
This ST160 foam injector has a restrictive orifice that the water stream is forced through, operating this foam injector with a foam head or lance that contains a low pressure nozzle causes a vacuum effect within the injector, drawing chemical up into the water stream. These injectors are used in many industries for industrial cleaning including Agriculture, Automotive and the Food processing industry. We have a range of equipment that can be used in combination with our foam injectors to apply foam, such as the ST75 Foam Head, ST76 Foam Blaster or our extremely innovative Triple Nozzle which is specifically designed for applying foam and disinfectant chemicals within food processing environments.
Equipment to be used with foam injectors not using compressed air
Use this chart to find the correct sized foam injector and accessories to create foam.
You will need to know the flow and pressure of the pressure washer or system that the injector is to be installed onto. Firstly select the closest flow rate on the left (round up if required), then move right across the chart until you are at the closest pressure column. The top number is the injector size you require and the number in brackets is the foam head size, click on the box to view the required accessories and different foam injector options available.
We highly recommend using a chemical filter on the end of your chemical tube. This helps to prevent any unwanted debris possibly entering your chemical injector and causing a blockage. Always check the viscosity of the chemical you are using as this can greatly affect the draw rate of the chemical into the water stream. Dosing of chemical can be adjusted by adding one of the ten nozzles inserts which are provided with each injector.
Chemical suction is affected by water temperature
At higher temperatures the maximum achievable vacuum drops significantly. The graph demonstrates that at temperatures of 90°C and above, the venturi effect becomes impossible.
Dosing Nozzle dilution ratio's Download
