Downloads News Contact DE EN Business areas Siekmann knows what is important. Siekmann Econosto develops customized solutions based on a holistic business model for industrial valves (open / close, control and safety technology, drive technology, etc.) based on customer specifications. PED ASME TR-CU EN standards DIN standards AD 2000 Siekmann Econosto looks after customers in the following areas: International large-scale plant engineering Plant, pipeline and boiler construction Plant operator Service and trading company Siekmann Econosto's core business areas are the needs of: Chemistry and petrochemistry Oil and gas facilities Power plant technology and energy supply Transport and storage systems (pipelines) OEM OEM Chemistry and petrochemistry oil and gas Power plants Pipelines OEM OEM hydrogen Siekmann Econosto GmbH & Co. KG Lissaboner Allee 3 | D-44269 Dortmund Telefon: 0231 / 9 37 50 E-Mail: info@siekmann-econosto.de Siekmann Econosto steht für Qualität, Sicherheit, individuelle Produktinnovationen & globaler Service. Datenschutz AGB Impressum Über uns Geschichte Armaturenlager Geschäftsfelder Corporate Responsibility Ethik und Compliance Mitarbeiter/Karriere SE 360° Kontakt Projektmanagement Qualität Referenzen Eigene Produkte Lagerbestand Sauerstoff Service Instandhaltung (MRO) Modifikation Downloads News © by Siekmann Econosto GmbH & Co. KG 2021/Designed and developed by RSB Design GmbH We use cookies to enable you to optimally use our website. Cookies that are necessary for the operation of the site are set. You can also allow cookies for statistical purposes. You can adjust the data protection settings or agree to all cookies directly. data protection - imprint Accept all Functional cookies only show settings