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Related Content for Chemicals

Related FAQs

There a number of reasons the Seeflex 040E could go yellow. It could be due to use with chemicals, oils, fats or exposure to UV light. In most of these situations this is purely staining of the media, and there is no loss of strength or integrity. Please contact one of our representatives if you have any concerns. If you are using with a CIP (clean in place) solution you simply need to ensure that you thoroughly wash all the chemicals off the BFM spigot and connector before you start up again. If there is any caustic or acid left sitting on the cuff area, it will go yellow over time.

If the contact with the ethanol is permanent the Seeflex 040E is not suitable. If it is sporadic and low temperature then you should have no problem. You may need to run a few tests on the media to check the suitability, as it will depend on time and temperature of contact with the solvent and the application. Please contact one of our representatives to discuss this further.

Whilst there is potential for CIP chemical to get into the internal gap during CIP, the BFM® fitting is still far superior to any other type of connector in this situation. We always recommend the BFM® connector is removed and wiped clean after the CIP process to ensure no residual chemicals.

Between 3 and 9 pH is generally acceptable, and outside this it is largely dependent on concentration, application and duration of contact. It’s important to remember that the pH scale alone doesn’t specifically help determining resistance of the materials – the pH scale will provide an indication of the strength, but product type, concentrations and temperatures are far more important. Our woven Teflex is an excellent alternative for use with acids or alkalis. This is a pure PTFE media which can be used on most products and up to very high temperatures. It is best to double check with us if there are any concerns regarding media compatibility.

The resistance of the connector materials to chemicals is very dependent on the strength (concentration) of the chemical, the process and how the system is maintained (cleaned). The LM4 is a 100% Polyester woven fabric so its capability with either chemical is limited. Seeflex 040E is also limited with these chemicals – it is important to know the concentrations and the application. Teflex is the optimum material for use with chemicals as it is resistant to acids.

Yes, sodium sulphate has a pH of 7 and will be suitable for Seeflex 040E.

This will depend somewhat on what is in the laundry soap. In general the Seeflex 040E will work well. There is often Sodium Carbonate or Sodium salt which may start to break down the Seelfex over an extended period. Unilever in New Zealand run the BFM® fitting on soap product without issue.

Yes – LM4 is fine with caustic soda in concentrations of up to 5%.

The minimum length for the Flexi and Flexi-Light connectors is 200mm (8").  The Flexi-Earthed connector has a slightly longer minimum length of 250mm (10").

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