The new ATEX directive 2014/34/EU specifies some changes regarding ball valves classification.
Read more Classification change for ball valves acc. ATEX directive 2014/34/EU
31 October to 3 November
Ball valve and flow control valve manufacturer MHA ZENTGRAF was at the PTC in Shanghai again this year.
Read more PTC 2017 in Shanghai
In order to further improve the customer service level MHA ZENTGRAF is expanding its expertise in marine and offshore industry.
Read more New DNV/GL type approval
24. Juni 2017
So that our families could gain an insight into the manufacture of ball valves, we opened the doors of our Merzig site to employees’ relatives for a family festival.
Read more Family festival at MHA ZENTGRAF in Merzig
When larger ball valves have to be activated at full differential pressure, a smaller ball valve is used before activation in order to equalize the pressure.
Read more Ball valves with integrated bypass
Maintenance valve used for example in tunnel boring machines, allowing for service of cylinders without shutting down the hydraulic system.
Read more Service ball valve
We have been manufacturing both high-pressure ball valves and valves since 1978. Today, MHA ZENTGRAF is one of the leading manufacturers in this sector.
→ Ball valve program
Phone: + 49 6861/7000-0