As one of the leading manufacturers of ball valves, pig valves and wellheads, Hartmann Valves is active in the oil, natural gas, petrochemical, power plant technology, geothermal and renewable energy sectors all over the world. Design, assembly and tests are carried out exclusively at the German plants. Designed on a customer-specific basis, Hartmann high-performance fittings are suitable for temperatures ranging from -200 to +550 °C, pressure levels up to 700 bar as well as for up to 200, 000 switches a year and can withstand aggressive media such as oil, natural gas, sour gas, syngas, oxygen, hydrogen, helium, steam, thermal water, coal dust, mud, slag & ash, polymers, cellulose as well as abrasive and degreasing media. The pure metal seal system is especially durable, long-lasting and low-maintenance. Our API 6A-conformant wellheads and subsea trees are equipped with metallic sealing ball valves and have been successfully in use for decades.
Hartmann Valves: Metal-to-Metal Sealing System in Ball Valves