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parts washers

Strip Contaminants with our degreasing machines

Parts Washer

Rotajet manufacture and install our parts washer range all over the world. With over thirty years experience, we continue to lead the way in the development of degreasing equipment for washing parts. We have extensive experience in washing parts in the aerospace industry with several NATO stock numbers for washing aviation components, as well as supplying integrated NDT solutions.

We know our machines are more than fit for purpose. We recognise, however, that machine downtime due to breakdowns is a major concern for our customers. That’s why we not only issue warranties on all our products, but we also offer full rental agreements on our spray washing machines.

The industry applications for our degreasing machines are as varied as the industry itself. To make sure you are completely assured, we demonstrate the effectiveness of our machines by running full trials at our facility in Wakefield, West Yorkshire.

We supply and service machinery throughout the world, either directly from the UK, or via approved agencies and working partners. This means that Rotajet’s parts washer range of standardised degreasing machines continues to grow, and has become recognised as the ideal machine for parts and component degreasing.


When it comes to parts and components cleaning, there are two main options to consider; manual or use of an automatic spray washing machine. One of the major distinguishing factors between the two options is undoubtedly the price, but the other major factor is the quality of the cleaning standard that is achieved. 

Another thing to consider with manual cleaning and degreasing, however, is the numerous risks that would not otherwise be present with spray washing machine. The hazards involved can be related to several different factors, including; using harmful chemicals and cleaning detergents, handling sharp objects, and electric shocks.

Selecting the right chemicals to use when manually cleaning is paramount to not only achieving a good cleaning standard but to ensuring that the part or components subject to being cleaned will be exposed to chemicals that could be potentially corrosive or otherwise detrimental to their material structure. For example, where high pH cleaners like aqueous alkaline might be effective in cleaning stainless steel components, the same chemical may cause wear, discolouration or etching to aluminium parts. 

More importantly, when cleaning with chemicals, it is crucial that measures are taken to ensure the safety of any individuals who may be exposed. While exposure can refer to the direct use of the chemicals, the vapour given off can also represent a major risk to humans. To rescue risks such as these, there are a number of ways in which to ensure maximum protection when washing with potentially harmful chemicals, including:

● Keeping the environment well ventilated, e.g. by opening windows, using extractor fans, etc. 

● Wearing protective and waterproof clothing and goggles to avoid direct contact with the skin and eyes 

● Regularly washing hands and maintaining general hygiene 

● Use sealed proprietary equipment as opposed to open containers of cleaning solvents/chemicals 

● Avoid any open flames or intense heat as cleaning chemicals are often highly flammable 

While the use of cleaning chemicals and detergents introduces major possible risks to manual cleaning and degreasing, there are other potentially hazardous factors that should equally be reduced at all costs. Some of the ways in which to reduce these risks include;

● Ensuring that any electrical equipment used has been fully tested and regularly maintained.

● Wearing protective items to avoid contact with sharp objects e.g. goggles, gloves, full-length clothing, etc.

● Keep temperatures of cleaning agents and environments to a low level that will not cause harm to humans. 

If high temperatures are used, ensure that precautions are taken to avoid direct contact with heat, such as; maintaining a far distance, wearing heat-proof clothing, etc.

Potential hazards are not the only thing to note when considering manually cleaning parts and components. For example, manual cleaning can use a considerable amount more energy, water, and detergent than machine washing. On top of this, the labour involved with manual cleaning is mountainous when compared to machine washing which, in a workplace setting, can increase costs by a significant amount, not to mention having potentially harmful effects on mental health. 

The major thing to note when opting for manual parts cleaning as opposed to machine washing is the significantly lower standard of overall cleaning quality. A much higher standard of cleaning can be achieved with a machine spray washer for a number of reasons, including; 

● The consistent and repeatable cleaning quality that is unlikely to be achieved manually

 ● The optimised use of cleaning chemicals and freshwater introduced at temperatures of up to 90 degrees 

● High-pressure driven spray nozzles that can clean and decontaminate in places that would be hard to reach manually

Degreasing Machine for parts washing

Spray Washers

Top-loading and Front-loading Spray Washers


swarf degreasing machine

swarf degreasing

Clean turnings for reprocessing

continuous tunnel washer in action

Tunnel Washers

Automatically wash components

Non destructive testing


Remove contaminants for testing

Client Testimonials

We bought a D60 and DM5 dunker a few years ago and it has saved us so much time but more importantly, it has removed hazardous cleaning procedures. The machine has run well and has changed our operation completely.

Autoelectro Ltd

Bradford, West Yorkshire