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Water/waste water treatment

Sophisticated valves, measurement and control systems

The field of applications covered by GEMÜ's product range starts with control and regulation of heavily contaminated sea, river and brackish water and extends to ultra pure water production in the semiconductor and pharmaceutical industries. 

The broad range of GEMÜ products enables huge flexibility in use. This applies as much to small, mobile drinking water treatment plant as to large-scale stationary sea water desalination plant.

Numerous valve types and automation components

Durable, robust and optimized for their specific use: GEMÜ produces and supplies butterfly valves, diaphragm valves, globe and control valves, ball valves, as well as measurement and control components for plant and plant sections.

Examples of processes employing GEMÜ valves, measurement and control systems 

  • Municipal water treatment and waste water treatment: Ultra-filtration at waterworks, ion exchangers, UV disinfection, treatment of leachate from rubbish dumps, activated sludge process
  • Industrial water treatment and waste water treatment: Sea water desalination, treatment of waste water from electroplating (precipitation), production of pure and ultra pure water of differing qualities (for example as boiler feed water)

Product advantages associated with the use of plastic butterfly valves 

  • Excellent corrosion protection
  • Minimal pressure loss
  • High-purity versions available

Metal butterfly valves also available

Product advantages associated with the use of diaphragm valves 

  • Insensitive to particulate media
  • Hermetic separation between medium and actuator
  • Plastic body made of high-grade plastic (PP, PVC, ABS, PVDF, PTFE)
  • Stainless steel body with CIP/SIP cleaning and sterilizing capabilities, autoclave capability depending on version, various surface finish grades available
  • Customized plastic and metal multi-port valve blocks
  • ATEX-compliant versions for potentially explosive areas

Product advantages associated with the use of globe and control valves 

  • Ideally suited to fast cycle duties
  • High flow rates
  • Plastic body made of corrosion-resistant materials
  • Metal body available in various materials
  • Sterile and hygienic designs available
  • Excellent control characteristics; individual configuration of the control characteristic possible
  • ATEX-compliant versions for potentially explosive areas

All GEMÜ valves with pneumatic or motorized actuator are available with instrumentation ex works.