Foamers Seals

21.09.2026
Author: inż. Robert Piotrowski

A foam cannon is a device for foaming a cleaning solution and producing thick foam in order to thoroughly clean and wash the bodywork of a car, motorcycle, trailer or the interior of a truck's cargo cabin.

Foam cannon - what is it?

A foam cannon is an accessory that converts concentrated soap into thick foam, which is applied to the surface being cleaned using pressure.

Like any device, a foam cannon also requires maintenance and, in case of wear, replacement of spare parts.

Types and construction

A foam cannon consists of several main elements, which include:

  • special tank - this is a container into which you can pour, among other things, cleaning agents (e.g. shampoo) or active foam;
  • nozzle assembly - the nozzle regulates the flow and amount of sprayed foam;
  • pressure washer connectors - this is the part that attaches the foam cannon to the pressure washer, responsible for a steady water flow and preventing leaks;
  • adjustment knobs - these are elements that affect the density of the foam. They allow control of the air-to-water ratio;

There are several types of foam cannons available on the market that differ in the method of pressure generation, including:

  • manual foam cannon - pressure in the tank is generated manually using a piston located at the top;

  • foam cannon for pressure washers - foam is created by the pressure of the water stream; requires connection to a gun or extension lance;

  • pneumatic foam cannon - foam is created as a result of compressed air; connection to a compressor may be required;

O-rings for foam cannon

 

 

How does the foam cannon work?

  1. Prepare a mixture of soap and water in appropriate proportions
  2.  

    After adding the soap to the tank, connect the device to the pressure washer lance

  3. Water from the pressure washer and the soap from the container create a cleaning mixture. The resulting mixture is subjected to pressure and released through the nozzle. Use the adjustment knob to set the foam density.

  4. Aim the foam cannon at the surface you want to clean and begin spraying the vehicle

When the foam cannon is connected to a pressure washer, thick foam is produced by mixing soap and water under high pressure. This allows covering the vehicle surface much more effectively and in less time than traditional methods (e.g. using a bucket of soapy water and a sponge).

Benefits of using a foam cannon

Discover some of the exceptional benefits of using a foam cannon, here they are:

  • helps remove dirt - thick foam penetrates every small nook, surrounds and softens dirt, lifts and carries it away, facilitating the rinsing process while minimizing the risk of damaging the paint;

  • effectively speeds up the car washing process - it is faster than traditional methods, including hand washing with a sponge;

  • less water consumption - thick foam efficiently removes dirt from the vehicle surface, allowing faster washing and easier rinsing;

  • reduced detergent use - the foam cannon uses a small amount of soap to thoroughly cover and clean the surface of the vehicle

  • gentle on paint - the device provides touchless washing, minimizing the risk of damaging the paint;

What can be cleaned with a foam cannon? - Versatile applications

A foam cannon can be used to clean many surfaces and items, such as:

  • cars
  • motorcycles
  • bicycles
  • trailers
  • interiors of delivery van cargo cabins
  • stairs
  • garden furniture
  • driveways
  • terraces

O-ring gasket for foam cannon

 

You can buy high-quality rubber seals for foam cannons in the Power Rubber store

At the Power Rubber store we offer high-performance rubber O-rings and seals for pressure washers that help avoid constant water leaks, loss of maximum pressure and unnecessary water consumption and increased costs associated with it.

Due to extreme operating conditions, a foam cannon requires special rubber seals that are characterized by pressure resistance and exceptional chemical resistance to aggressive cleaning agents. Our offered O-rings also perform excellently in steam applications. They do not degrade under the influence of weather conditions and ozone. The product can be used with car wash detergents, liquid waxes, disinfectants, as well as glass cleaning agents.

We invite you to familiarize yourself with our wide range of rubber O-rings for foam cannons.

To place an order for high-performance seals or to learn more, please contact us by phone: +48 22 292 40 24 or +48 50 516 03 03, by email (power|powerrubber.com| |Power|PowerRubber.com) or via our contact form

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