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.

About Us

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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.

FEATURED PRODUCTS

Measuring of Process Values

For the measuring of process-values as pH-value, redox or Cl2 different designs of measuring systems are characterized by high measuring accuracy. A measuring device typically consists of an electrode – integrated in a fitting – as well as of an associated measuring transmitter. A selection of the devices depending on the application is possible on request.

Standardised Compact Dosing System

sera Standardised Compact Dosing System can be used everywhere it is not a matter of highly complex and expensive dosing processes but only a controlled and precise quantity dosing of a liquid in one process or in a different medium. The completely modular design makes it possible with standardised components - like from a construction kit - to adapt the functions of the system to the individual dosing requirements. Many optionally available ...

FEATURED SERVICES

Technical Support

At sera, there are trained specialist personnel available for you who are pleased to discuss your questions and comments about our products and to present you with solution concepts which are precisely customised to your individual requirements. In the discussion with us, you also obtain immediate support and error diagnostics. Because we would like to give you the best possible support immediately.

Installation and Commissioning

Experienced sera service technicians are available for the commissioning and installation of your purchased system. On request, the installation can also be carried out  by your skilled personnel under the instruction of the sera service technician. Thus, early start-ups are possible and your personnel are best familiarised with the new system in the course of the installation. Cost-effective concepts for the optimisation or modernisation of the ...

FEATURED TRAINING

Customer Training

Training courses by sera are held by us at our premises and also at your site on request. Our training courses are both customer as well as application oriented. Thus you always receive the best training matched to your individual requirements so that you have the optimum basis for handling our products.

FEATURED DOWNLOADS

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EVENTS ATTENDED

ACHEMA 2015, WWETT - Water & Wastewater Equipment, Treatment & Transport Show

INDUSTRIES SERVED

Company details

Business Type:
Manufacturer

Industry Type:
Water and Wastewater

Market Focus:
Globally (various continents)

Year Founded:
1945

Employees:
101-1000

Office Locations:

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