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LWN Lufttechnik GmbH

Hühndorfer Höhe 7, 01723 Wilsdruff

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Hall map

glasstec 2022 hall map (Hall 13): stand C96

Fairground map

glasstec 2022 fairground map: Hall 13


Jessica Richter

Executive Assistant



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Our range of products

Product categories

  • 01  Glass production/Production Technology
  • 01.04  Glass melting technology
  • 01.04.03  Melting technology for tank furnaces

Our products

Product category: Melting technology for tank furnaces

Furnace and Throat cooling systems

Basic equipment
Operational and standby ventilators, switch cabinets for star-delta operation of ventilator drive motor
Manual shutoff dampers
Distribution duct, branches
flexible ducting, shutoff dampers and cooling nozzles as well as nozzle attachments

Advanced equipment
Switch cabinets with inverter for appropriate airflow modulation with remote control and monitoring from the process control system
Automatic control of discharge side shutoff dampers during transfer to reserve ventilators with immediate messaging to the process control system
Bubbler and electrode cooling and cooling of the skewback cooling from the furnace cooling system, each of which can also be built as stand-alone system
Especially for the flat glass industry, we supply stand-alone cooling systems to cool the back and shadow walls, the overcoat blocks as well as the conditioning zone

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Product category: Melting technology for tank furnaces

Float bath cooling systems

Operating and reserve ventilators
Switch cabinets for inverter operating ventilator drive motor
Electrically- or pneumatically-controlled throttle vale with automatic transfer to the reserve ventilator and immediate messaging to the process control system
Transfer to reserve ventilator with immediate messaging to the process control system
Distribution duct, individual ducting to bays with manifolds and branch connections
Cooling nozzles for float bath bottom and sidewalls

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Product category: Melting technology for tank furnaces

Machine and conveyor cooling systems

Standard equipment
Radial ventilator, switch cabinet for star-delta operation of the ventilator drive motor
Manual twist throttle control to regulate quantity of cooling air
Discharge side ducting
Distributor cone with individual duct to each section of the machine
and conveyor, which are fitted with manual throttle valve and stainless steel compensator

Advanced equipment
Remote operation of the twist throtte, which is fitted with an electrical drive
Switch cabinet with inverter for appropriate airflow modulation and remote control and monitoring from the process control system
Mechanical remote control of the throttle valve (Teleflex) from the machin platform
Use of intermittent throttle vale with pneumatic or servo drive
Cooling systems operating independently with separate ventilators for blank- and mould side processes
Mechanical measuring and remote indication of station pressure on the machine base
Overhead cooling systems for the mould side processes
Servomotor cooling systems
Automatic machine cooling

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About us

Company portrait

LWN Lufttechnik Ltd was borne out of long-standing, hands-on experience, hard work and specialist knowledge among the company’s acting partners. Founded in 1997, LWN quickly became the specialist supplier of process air technology to the German glass industry. The company launched with four partners and six employees.

In 2002, LWN’s planning, construction and production divisions were merged and a single production site for system components was established in Wilsdruff, near Dresden. The amalgamation meant the company could provide clients with an exceptional standard of service. Through flexibility and independence, the company made a name for itself as a trustworthy firm to do business with, both inside Germany and beyond. More and more clients were won across Europe and the number of employees trebled to 18. LWN Prozesstechnik Ltd was launched in 2003, providing clients with a one-stop-shop for ready-to-use air technology systems, complete with electrical engineering and automation.

LWN – now with 60 employees - is working with the German and international container and flat glass industries to develop intelligent solutions, which raise product quality for clients, increase the service life of systems and save energy. Offering reliability, comprehensive service skills and product and technological innovation, LWN is a company of the future.

Company data

Number of employees 31-100
Foundation 1997
Area of business Glass manufacture/production technology