... valve, pump, heat exchanger, tower, manhole, and hand hole, etc. It is widely applied in departments as petrochemical, ... exchanger, generally we recommend the one with φ3.2mm stainless steel inner ring. The narrow-band form is divided ... TiMicaMICA950InconelINCCeramicCER1000Hastelloy, ZrHAST, ZIRCNon-asbestosNAF300Generally the material of the inner ring is steel belt, to satisfy the medium and the ...