DMCFR - demineralization in water treatment systems with direct flow regeneration;

DMRFR - demineralization in water treatment systems with reverse flow regeneration;

СР – condensate polishing;

SC – scavenger;

RMB – for regenerable mix bed filters;

NRMB – for nonregenerable mix bed filters;

NC - nuclear grade;

WF - working form;

UPW – ultrapure water production.