METHOD FOR MANUFACTURING A PROCESS APPARATUS AND A PROCESS APPARATUS

摘要

The invention concerns a method for manufacturing a process apparatus for moving liquid in high temperature liquid immersion under aggressive chemical environment and dynamic stress, wherein the method comprises the step of lining the process apparatus formed of stainless steel with rubber, wherein the method further comprises the step of forming a passivation layer on a surface of the process apparatus in an acid bath prior to lining the process apparatus comprising the passivation layer with rubber. The invention also concerns a process apparatus.