Certified Quality

MHA ZENTGRAF is certified according to the relevant pressure equipment directive CE and DIN EN ISO 9001 as well as the environmental standard DIN EN ISO 14001 and carries out acceptance procedures under the supervision of all notable classification societies such as ABS the American Bureau of Shipping, BV Bureau Veritas, CC China Classification, DNV Det Norske Veritas, GL Germanischer Lloyd, NK Nippon Kaiji Kyokal, TÜV Technischer Überwachungsverein.
If desired, acceptance test certificates according to DIN EN 10204 3.1 and 3.2 can be issued. MHA ZENTGRAF fulfills the requirements under code of practice AD-Merkblatt HP 0. Fire-safe ball valves are supplied in compliance with BS 67SS T.2 API 6 FA and ISO 10497.

ISO 9001 de en fr it
ISO 14001 de en fr it
PED/DGRL – 2014/68/EU de en fr it
AD2000 HP-0 de en fr  


ATEX – 94/91/EG de en it
Fire-Safe de    
DNV/GL Type Approval   en  
ABS Design Assessment   en  


EAC ru  


Product information

Catalogues and brochures for high-pressure ball valves, needle valves and check valves from MHA ZENTGRAF can be found in our downloads.

→ Ball valve catalogues


E-mail: info@mha-zentgraf.com
Phone: + 49 6861/7000-0

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