Heat Exchanger Certification: CCC, CE, TUV Materials of gaskets: NBRHT, EPDMHT, Neoprene, Teflon, Viton I, Viton ... corrugated metal plates, rubber gaskets and frame • Flow channels are formed between plates and are sealed by gaskets • Hot and cold fluids flow ... protectionTechnical Standards • German TUV standard • CCC • CE • Materials of gaskets: NBRHT, EPDMHT, Neoprene, Teflon, Viton I, Viton F • ...