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Rubber Diaphragms
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100 Dozen (MOQ)
Diaphragms made of FKM display a high degree of resistance to many solvents and other chemicals. For instance, they provide excellent resistance towards aliphatic hydrocarbons, aromatic and chlorinated chemicals and also withstand acids and alkalis with oxidation agents well. They are not suitable for use in connection with ether and bases. Therefore FKM diaphragms are predestined for use in water treatment on the one hand, but on the other hand we do not recommend them for steam sterilisation applications. You will find further relevant information in our “Chemical Resistance Chart” brochure. Temperature range FKM (FF) 0 to +130°C (not recommended for steam)EPDM can cope very easily with both hot and cold water, alkaline media and weak acids. This means that diaphragms of this material are especially well suited for applications in the area of hygienic processing, where steam sterilisation and oxidising media are required. We recommend not using these diaphragms in connection with media such as mineral and vegetable oils, vegetable and animal fats, aromatic or aliphatic carbohydrates, halogenated solvents or concentrated acids, because these substances damage the diaphragm structure and can lead to leakage. You will find further relevant information in our “Chemical Resistance Chart” brochure. Temperature range EPDM (AD): -10 to +143°C (steam sterilisation +150°C for 60 min) for single-weir diaphragms +5 to +130°C (steam sterilisation +140°C for 60 min)
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