MHA Zentgraf
Alfred Zentgraf launched MHA Zentgraf in 1945 as a mechanical engineering company. MHA Zentgraf began manufacturing high-pressure ball valves in 1978 and has grown to become the world's leading manufacturer of ball valves, SAE Flange End Ball Valves, needle valves, check valves and some other valves.
MHA has certified accordance with the relevant pressure equipment directive CE and DIN EN ISO 9001, as well as the environmental standard DIN EN ISO 14001 and conducts acceptance procedures under the supervision of classification societies.
MHA offer acceptance test certificates in accordance with DIN EN 10204 3.1 and 3.2 upon request. MHA Zentgraf also meets the standard of the AD-Merkblatt HP 0 code of practice. Fire-safe ball valves are available and are manufactured in accordance with BS 67SS T.2 API 6 FA and ISO 10497.
MHA has certified accordance with the relevant pressure equipment directive CE and DIN EN ISO 9001, as well as the environmental standard DIN EN ISO 14001 and conducts acceptance procedures under the supervision of classification societies.
MHA offer acceptance test certificates in accordance with DIN EN 10204 3.1 and 3.2 upon request. MHA Zentgraf also meets the standard of the AD-Merkblatt HP 0 code of practice. Fire-safe ball valves are available and are manufactured in accordance with BS 67SS T.2 API 6 FA and ISO 10497.
