Hygiene certificate
Declaration of TR CU 010/2011 FB 39 (ball valves)
Declaration TR CU 010/2011 FB39 (three-way ball valves)
Declaration TR CU 032/2013 FB 39 (ball valves)
Declaration TR CU 032/2013 FB 41
Certificate of conformity of ball valves FB39 TR CU 012/2100 "On safety of equipment for work in explosive environments"