
sera Technology Swiss GmbH
About us
The sera group is an independent family business group with headquarters in Immenhausen near Kassel.
sera stands for innovation, reliability and flexibility and has been one of the world's leading German companies in the field of dosing and hydrogen technology since the company was founded in 1945. sera offers efficient application solutions that are optimally tailored to customer needs, where the exact dosing, delivery and compression of liquids and gases is important.
With more than 250 employees in Germany and in the subsidiaries in Great Britain (sera Technology UK Ltd.),
South Africa (sera Technology SA (PTY) Ltd.), Spain (sera Tecnología Iberia S.L.), Austria (sera Technology Austria GmbH) and Switzerland (sera Technology Swiss GmbH) as well as more than 30 strong partners, sera in more than 80 countries represent, sera guarantees optimal support, advice and service worldwide on site.
In 2020, the sera group was awarded the grand prize for medium-sized companies in Hesse, making it one of the best medium-sized companies in Hesse by a specialist jury. In 2018, the sera group was already a finalist at the Grand Prix for medium-sized companies.
As an environmental technology company, sera has a wide range of products that offer the right solutions for many areas of application such as water and waste water treatment, disinfection or the exact and resource-saving dosing and pumping of chemicals and liquids worldwide. These are used in many different industries such as the food and beverage industry, in breweries, in the paper industry, in chemical and petrochemical and many more.
With the development of innovative technologies in the field of hydrogen technology, sera has opened up another market field of the future. As the only supplier worldwide with a complete range of technologies, sera can offer all areas of hydrogen technology. In addition to the usual industrial applications and power-to-gas solutions, we have developed innovative system solutions such as our own hydrogen filling stations and system technology for H2 energy storage systems in private homes. With this, the sera group of companies is following its mission to create added value for people and the environment.
Products & services

Stepper motor pump iSTEP XS
STEPPER MOTOR PUMP FOR DEMANDING METERING REQUIREMENTS The new iSTEP XS stepper motor pump by sera combines an intelligent drive concept with the accuracy of a diaphragm dosing pump and sets standards with regard to reproducibility and reliability. By means of the variable frequency control and a power range of 0.007..15 l/h at 10..7 bar, the application possibilities are almost unlimited. It is intuitive to use, long lasting and is particularly suitable for demanding dosing tasks. SCOPE OF APPLICATION Chlorine dosing for the treatment of drinking water Flocculating agent dosing in wastewater treatment Dosing of flocculant aids CIP Use INPUTS & OUTPUTS 3 inputs programmable as 3x digital inputs 2x analogue inputs 0/4...20mA 2 digital outputs 1 analogue output for 0/4...20mA signal All inputs and outputs can be freely parameterised OVERVIEW OF ADVANTAGES Extremely high performance range with only one pump Adjustment range 1:1000, thereby optimally adaptable Low-pulsation dosing Microprocessor-controlled drive Remote execution Energy-efficient drive technology

Stepper Motor Pump iSTEP S
The iSTEP stepper motor pump by sera combines an intelligent drive concept with the accuracy of a diaphragm dosing pump and sets standards with regard to reproducability and reliability. By means of the variable frequancy control and a power range of 0.02..50 l/h at 10..3 bar, the application possibilities are almost unlimited. OVERVIEW OF ADVANTAGES • Adjustment range 1:1000 • voltage range 100-240V • Slow mode operation for viscous media • Intuitive menu guidance, including parameterisation • Pulse transformation and reduction • Weekday/timer functions with 10 storage spaces SCOPE OF APPLICATION • Chlorine dosing for the treatment of drinking water • Flocculating agent dosing in wastewater treatment • Dosing of flocculant aids • CIP Use

airPUMP Air-Operated Diaphragm Pumps
MODE OF OPERATION Air-operated double diaphragm pumps are positive displacement pumps, with two opposing pump chambers. The two diaphragms are connected to each other via a shaft. The special feature of air-operated diaphragm pumps is that the drive and the pumped medium are completely separated from each other. ADVANTAGES AT A GLANCE - Long service life - Inexpensive - Easy to install - Easy to operate - Self-priming - Dry priming - Dry running safe - Suitable for solids - For viscous media - For shear sensitive media - Mobile use - Immersible AREAS OF APPLICATION - Beverage industry - Food industry - Paint and varnish production - power plants - chem. Intake systems - shipbuilding - electroplating - Textile industry

Magnetic-Drive Centrifugal Pumps
Self-Priming Hours Of Run Dry 5 Year Warranty

Hose Pumps
High-performance peristaltic pumps and peristaltic metering pumps Hose technology - maximum resistance to abrasion - unparalleled suction capacity - unlimited dry running - no valves or mechanical seals - full dosing control - dosing accuracy of +-1% No problems with challenging media - abrasive media - corrosive media - viscous media - shear sensitive media

Self-priming centrifugal pump
The Gorman-Rupp T Series pump is a self-priming centrifugal pump specifically designed for pumping heavily contaminated wastewater. Even with increased levels of water contamination, the T Series has superior priming capabilities. The robust and almost maintenance-free design of the pump meets all expectations that professional users have of a centrifugal pump. Thanks to the patented Eradicator system, the T Series also does its job with increased levels of contamination in the form of fabric shreds, cardboard/paper, animal bones or kitchen waste residues. The Eradicator system cuts and shreds the waste pieces, directly avoiding downtime in daily operations. The Gorman-Rupp U Series pump is one of the most efficient self-priming centrifugal pumps on the market. The pump's unique hydraulic design and smooth internal contour ensure low resistance and high efficiency. The Super U Series is used for clean and lightly contaminated water.

Standardised Compact Dosing System CVD
The completely modular design allows you to customise – just like a building set – the functions of the system to your individual dosing requirements. And you can choose from a number of optional accessories such as the pulsation damper or the terminal boxes for the electrical power supply. The following designs are available: CVD1-..., compact dosing unit, vertical Flow rate up to 1450 l/h, Pressure up to 10 bar CVD2-..., compact dosing unit, vertical Flow rate up to 2 x 1450 l/H, Pressure up to10 bar CVD1s (small), compact dosing unit, vertical Flow rate up to1450 l/h, Pressure up to 10 bar

Polymer preparation stations PolyLine
The sera PolyLine Flow is a 3-Chamber-unit. Fully automatic preparation of organic flocculent aid (pulverized and/or liquid) Process logic control (PLC) Selectable concentration of prepared solution Feeding device Dry material feeder with thermal protection zone Pump for liquid polymer (option) Dissolving water unit Electric agitators Performance graduation that meets the requirements