... JIS and EN(DIN) standards or client request. ProductsStyleFlangeFor exampleBasic type SWG3100Tongue and Groove304/PTFESWG with inner ring3100 IRMale and Female304 ... with inner& outer rings3100 IC304 304/FG CSSWG for heat exchanger3100 HHeat exchanger304/FG with 1 bar of DJSpecial shape ... L);316(L)321;317L31803Monel,Ti,NiINCHast.C/BZr702 etc. Graphite, PTFE,AsbestosNon-asbMica,etcCS,304(L), 316(L),321; ...