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PTFE tank cleaners for harsh chemical environments

By THE SPRAY NOZZLE PEOPLE (SNP) on

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The Challenge
Hydrofluoric acid is well known for its ability to dissolve many materials including glass. Consequently many traditional ‘chemically resistant’ materials such as stainless steel are not suitable for use in tank cleaning applications where hydrofluoric acid exposure is likely. A further problem is that in many applications hydrofluoric acid can cause crystalisation of waste products onto surfaces which could potentially clog and block nozzles on cleaning systems.

In this particular cleaning application required a wide cleaning diameter nearly 4 meters (tank volume 38m3), so using static nozzles was not feasible. The potential problem of crystalisation also meant that the small orifices found in most typical spray balls were likely to be an issue. While most spinning or rotary tank cleaners could achieve the required reach, their metallic components would not withstand the challenges associated with cleaning these tanks.

The Solution

The HydroWhirl Poseidon is one of the few all PTFE tank cleaners on the market and is available from THE SPRAY NOZZLE PEOPLE. With absolutely no metal parts the all PTFE construction provides excellent resistance to even high concentrations of hydrofluoric acid. Furthermore, the added benefit of PTFE being extremely slippery, ensures one of the lowest coefficients of friction of any material which means that crystal deposits are far less likely to adhere to the tank cleaners surfaces.

The only slight problem on this application was the need to adapt the standard BSP threaded connections with those that were compatible with the existing pipework. However, once a simple thread adaptation was made the HydroWhirl Poseidon tank cleaners proved to be an ideal solution to a challenging application.

The Benefits

In addition to the essential requirement of chemical and corrosion resistance, the other design features of the HydroWhirl system ensure rapid cleaning and less water consumption as they operate at lower pressures compared to static tank wash systems. Also, connectivity should be simple and flexible given the possible variations at each site and this is helped by the 3 options of; pipe, tube or DIN clip-on, along with threaded connections available on request. Also, the use of FDA approved materials means the cleaners are ideal for use in clean-in-place (CIP) applications. Also, because the spray characteristics of the HydroWhirl system are designed for slow spinning and longer spray dwell time on the target surface, the result is increased impact compared to conventional rotating designs.

Further details: http://www.spray-nozzle.co.uk/docs/default-source/spec-sheet-pdf’s/hwp-hydrowhirl-poseidon-ptfe-tank-cleaner.pdf?sfvrsn=4fe63fe6_3

THE SPRAY NOZZLE PEOPLE (SNP)

The Go-to People for spray nozzle solutions

SNP’s aim is to reduce hassle for its customers  when sourcing spray nozzles and systems. The company recognises that components such as spray nozzles probably form only a small part of a client’s project or process. Yet, sourcing the right spray component or solution can be time consuming (and mistakes can prove costly). SNP’s expert sales engineers are skilled in working with customers to get them the best solutions, delivering in-depth technical and application support backed by market-leading products. Typical areas the company advises on include: achieving the optimum drop size for an application, spray coverage flow rates, how different fluids affect spray characteristics and how gas flows will affect spray patterns.

Visit our website 01273 400092

The Go-to People for spray nozzle solutions

SNP’s aim is to reduce hassle for its customers  when sourcing spray nozzles and systems. The company recognises that components such as spray nozzles probably form only a small part of a client’s project or process. Yet, sourcing the right spray component or solution can be time consuming (and mistakes can prove costly). SNP’s expert sales engineers are skilled in working with customers to get them the best solutions, delivering in-depth technical and application support backed by market-leading products. Typical areas the company advises on include: achieving the optimum drop size for an application, spray coverage flow rates, how different fluids affect spray characteristics and how gas flows will affect spray patterns.

SNP supplies spray nozzle solutions to industries worldwide, including the largest engineering, food processing, chemical and petrochemical companies, as well as a vast array of small and medium sized enterprises (SMEs). The company’s product range includes tank washing nozzles, hydraulic nozzles, air atomising nozzles, custom piping assemblies and spray accessories as well as disinfecting and washdown systems.

SNP is as skilled in advising design engineers at the beginning of projects as it is recommending and supplying replacement products that may be needed in a hurry. The company can also provide innovative custom solutions, including using non-standard materials. SNP holds ISO 9001 certification.

SNP is an exclusive distributor for US spray nozzle manufacturer BETE, for  pre-treatment specialist Uni-Spray, specialist paper industry nozzle manufacturer ML Gatewood and tank cleaning systems manufacturer Dasic. In addition, the company suppliers specialist washdown and disinfecting equipment from Lafferty Equipment and Guarany. Orders are handled quickly and efficiently from the company’s dedicated stock-holding facilities.

www.spray-nozzle.co.uk

01273 400092

SNP is part of the Spray People Group (SPG) which supplies a range of specialist products and components to industry. Group companies include the Air Nozzle People (ANP), the Safety Shower People (SSP), the Professional Sprayers People (PSP) and the group’s own fulfilment house The Fulfilment People (TFP).

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