Should I pick the STANDARD or VITON® Seal Option?

---- SEAL Options (Internal Adapter Seal & Adapter to IBC Seal)

All of our Adapters are fitted with internal Buna N (Nitrile) seals, and an external EPDM seal where the adapter connects to the IBC outlet thread, in order to provide a leak proof connection.

You can either choose the Standard seals, or choose all Viton® (FKM) seals which have superior chemical resistance. The reason to choose all Viton® seals, is when your product or chemical is not compatible with the Standard EPDM and/or Buna N (Nitrile) seals, which may result in a leak due to chemical attack. 

Viton® is a unique flouroelastomer, with superb chemical resistance, which is also known as FKM. As a general rule of thumb it offers much greater chemical resistance than Nitrile or EPDM, but this is NOT true for every product or chemical, and for this reason the correct thing to do is to start by checking your chemical against the various materials for compatibility, either through your own references/experiences or you can read more about chemical compatibility, in our “Technical Information” Section 3. If you are still unsure, just send us an email and we will endeavour to answer your query as quickly as possible.

In addition to the seals, you need to think about the material of the adapters themselves. We use HDPE & Polypropylene (glass reinforced), in our Basic Adapters, and just Polypropylene (glass reinforced) in our Heavy Duty Adapters. If your chemical or product is compatible with the seals (either Standard or Viton), and polypropylene, but not with HDPE then you need to purchase from our heavy duty range.

If you are just using Water, Diesel Oil or Kerosene then you will be 100% OK with the Standard Seals and either the Basic or the Heavy Duty Adapters.

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