History

A strong company for 70 years.

2015 

  •    sera celebrates 70 years anniversary

2014 

  •    Introduction of controller and sensors type AQUASENSO®
  •    Introduction of Polymer Station Type PolyLine®

2013  

  •     Seybert & Rahier GmbH + Co. Betriebs-KG has been transformed to the sera GmbH

2012  

  •     Extensive modernization of the headquarter in Immenhausen
  •     Introduction of Compact Tank Dosing Unit for floor mounting CTD

2011  

  •     Introduction of the new piston diaphragm pump series R511.1-KM

2010  

  •      Founding of sera ProDos SA (PTY) Ltd. in Johannesburg, South Africa
  •      Founding of the sera subsidiaries sera ProDos GmbH and sera ComPress GmbH

2009 

  •      Introduction of standardised Compact Dosing System for wall mounting CVD 
  •      Introduction of multi-layer diaphragm pump series R409.2-ML/R410.2-ML optionally with integrated control electronics C409.2-ML and
         piston diaphragm pump series R409.2-KM/R410.2-KM optionally with integrated control electronics C409.2-KM

2007 

  •      Founding of sera ProDos UK Ltd. in Peterborough, England

2006 

  •      Launch of the modular diaphragm dosing pump series R409.2/R410.2 optionally with integrated control electronics C409.2/C410.2

2005 

  •      Helmut Rahier, Graduate Economist, who has successfully led the company for 30 years, dies
  •      The company exists since 60 years
  •      Product launch of the Chlorine Dioxide Units CDG
  •      Product launch of the air driven diaphragm pump type series

2003 

  •       Carsten Rahier is alone authorized Managing Director of the family business in the third generation
  •       Presentation of the first Multi-layer diaphragm pump type series ML 409/411

2002 

  •       Successful change of the quality management system to ISO 9001:2000
  •       Introduction of the intelligent solenoid diaphragm pump series with BUS-control R/C204

2001

  •       Launch of the KKV dosing system with automatic control for the textile industry

2000

  •       Carsten Rahier joins the management of the company

2000s

  •        Expansion of the international sales network in Europe, Asia, Middle-East and North and South America

1996

  •       The second founder, Reinhold Seybert, dies

1994

  •        sera becomes one of the first DIN EN ISO 9001 certified companies in Germany

1990

  •        The first founder, Hubert Rahier, dies

90s  

  •       Expansion of the distribution network to Eastern Europe, Asia, South America and Africa
  •       Enlargement of the customer-specific construction of dosing units for power plants, chemical industry and water treatment

1985 

  •       The second founder, Reinhold Seybert, resigns from the company´s management

  80s 

  •        Expansion of the international sales network in FIN, E, P, I, GR, KR, SRB, HR, BIH
  •        The product range of the dosing and preparation units is continuously expanded and comprehensively supplemented by
           new technologies and production possibilites

1976

  •       The first of the two founders, Hubert Rahier, resignes from the company and hands over the management to Helmut Rahier

70s  

  •      Expansion of the distribution network in GB, DK, S
  •      Enlargement of the compressor range to 2-stage units, horizontal vacuum compressors, oxygen compressors and special
         compressor designs for power plant
  •      Launch of KKV combination pumps for the textile industry according to the single bath padding process
  •      Development of the first diaphragm dosing pumps with magnetic drive

1969 

  •      Mr. Helmut Rahier joins the management of the company

 60s  

  •        Expansion of distribution partners in F, B, L
  •        Manufacture of the first customer-specific dosing units and systems with corresponding instrumentation and control
  •        Product launch of the piston diaphragm pump type series

1958 

  •        Development and building of the first single-stage metal diaphragm compressor for gases

1954 

  •       Product launch of the first diaphragm dosing pump type series R409e for lower dosing mounts

1952 

  •       First foreign distribution partners in NL, A, CH, N

1951 

  •       Pumps for higher pressures, such as piston pumps, plunger pumps and metal diaphragm pumps are included in the product range

50s   

  •       Patent registration of the first double diaphragm dosing pump in Europe

1948 

  •       Development of the first dosing pump for acids

1945 

  •       Founding of the company by Reinhold Seybert and Hubert Rahier under the name Seybert & Rahier OHG