Dosing Pumps, Dosing Systems, Fittings, Dosing Units, Diaphragm Compressors. Single diaphragm pumps. Double diaphragm pumps. Piston diaphragm pumps. Piston pumps. Plunger pumps. Solenoid diaphragm pumps. Automatic dosing units. Polyelectrolyte dissolving units. Dosing screws. Metal diaphragm compressors. Gas pumps. a.o. Applications for the following industries: Drainage water neutralisation, Laboratories, Agriculture, Swimming pool equipment, Environmental technology, Water treatment and other.

Company details

Business Type:
Industry Type:
Water and Wastewater - Chemical Water Treatment
Market Focus:
Globally (various continents)
Year Founded:

This company also provides solutions for agricultural applications.
Please, visit their profile in for more info.

Competence in the dosing, feeding and compression of liquids and gases

Committed to tradition, the name Seybert & Rahier (sera) has been representing quality, innovation, competence and flexibility since the company founding more than 60 years ago in Immenhausen. As an independent family business and one of the worldwide leading German companies in the field of dosing and compressor technology, sera operates as a flexible and reliable manufacturer and system and full range provider.

Whether for waste and drinking water treatment, the food and drinks industry, the paper and textile industry or energy and environmental technology. sera provides efficient, complete solutions optimally customised for the customer for all application cases involving the precise dosing and conveying of liquids and gases.