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

sera - Feeding Pumps

sera has designed the diaphragm pumps ZYM and ZXM to feed and transfuse aggressive media with a low viscosity.

Multi-layer Diaphragm Pumps

sera Multi-layer diaphragm pumps are in many cases a reasonably priced alternative to piston diaphragm pumps. The ML-series work with flow capacites up to 500 l/h at pressures up to 16 bar. A further advantage compared with conventional diaphragm pumps is the doubling, or, depending on application, even quadrupling of diaphragm lifetimes. This helps to reduce the life cycle cost (operational cost) drastically.

FEATURED SERVICES

Spare Part Service

The technically trained sera Spare Parts team advises you immediately and endeavours to process your spare parts requirement as quickly as possible so that no long downtimes occur. We can also provide non-standard parts within the shortest possible delivery time. If you do not have time for a detailed telephone conversation, you can easily fill in our spare parts request form. A member of the Spare Parts team will then contact you as quickly as ...

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

INDUSTRIES SERVED

Company details

Business Type:
Technology - Manufacturer

Industry Type:
Water and Wastewater

Market Focus:
Globally (various continents)

Year Founded:
1945

Employees:
101-1000

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