Chemical compatibility guide
It is recommended that compatibility testing is always carried out to ensure the suitability of our products with your process chemical fluid. Actual chemical content can differ between suppliers and brands.
Disclaimer: Please read before use
- The information on this page is only intended for use by customers who have purchased official products from Watson-Marlow Fluid Technology Group companies/subsidiaries.
- Although Watson-Marlow strives to provide accurate and complete information, it cannot be guaranteed and ALL users of this page should ensure that they undertake their own verification and safety checks PRIOR TO utilising any information set out on this page. It is the user’s responsibility to ensure chemical compatibility within their proposed application(s).
- Save where a user is a customer that has directly received tailored advice from Watson-Marlow (where responsibility and liability for such advice is governed by the terms and conditions of the applicable contract), Watson-Marlow does not accept any responsibility (and in the absence of negligence are not liable for) for any errors, inaccuracies or omissions in respect of the information on this page. This page is not intended to operate as a substitute for professional advice from Watson-Marlow.
- Watson-Marlow reserves the right to remove, amend and/or update the information on this page at its sole discretion and without notice to any person (including prior visitors to the page).
ReNu and CWT pumphead wetted components for Qdos
This guide details chemical compatibility between the process fluid and the wetted components within the pumphead only. The guide is not an indication of the suitability of the pump for your process. It does not indicate chemical compatibility of the components within the pumphead after failure. A full risk assesment should be carried out for all applications when pumping aggressive chemicals. Materials of manufacture can be found in the product datasheet. Please contact Watson-Marlow for further advice.
The ReNu and CWT pumphead contains lubricant. It is the user’s responsibility to comply with local health and safety regulations, including ensuring chemical compatibility between the lubricant and the duty fluid before use.
The Qdos pump should not be used in an ATEX environment, Hazardous environment or an environment that requires explosion proof certification.
* In some cases, compatibility between the pumphead and the chemical is particularly dependant on a number of factors including chemical source and temperature. In these cases, trials are recommended to ascertain suitability.
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Peristaltic tubing and hose elements
Always make an immersion test before choosing a tube material for critical applications. Immerse a short length of the tubing (always available from Watson-Marlow Fluid Technology or its distributors) in a closed container of the fluid for 48 hours, and then examine it for signs of attack, swelling, embrittlement or other deterioration.
*The information contained in the chemical compatibility guide is believed to be correct. Watson-Marlow Fluid Technology Group accepts no liability for any errors it contains. It is the users responsibility to ensure chemical compatibility within their application.
Duty fluid or chemical
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