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WITT-Gasetechnik GmbH & Co. KG

Postfach 25 50, 58415 Witten
Salinger Feld 4-8, 58454 Witten
Telephone +49 2302 89010
Fax +49 2302 89013

Hall map

THERMPROCESS 2019 hall map (Hall 10): stand H78

Fairground map

THERMPROCESS 2019 fairground map: Hall 10


Andrew Smart

+49 2302 8901 0


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Our range of products

Product categories

  • 03  Componentes, equipment and other supplies
  • 03.01  Fittings for
  • 03.01.01  Gas


  • 03  Componentes, equipment and other supplies
  • 03.02  Heating
  • 03.02.03  Gas firing equipment
  •  Safety devices
  • 03  Componentes, equipment and other supplies
  • 03.04  Gas generation (inert and reaction gas, regeneration included)
  • 03.04.03  Gas-air mixing equipment

Gas-air mixing equipment

  • 03  Componentes, equipment and other supplies
  • 03.06  Measuring instruments and components
  • 03.06.05  Pressure controlling plant

Pressure controlling plant

  • 03  Componentes, equipment and other supplies
  • 03.06  Measuring instruments and components
  • 03.06.06  Moisture content measuring

Moisture content measuring

  • 03  Componentes, equipment and other supplies
  • 03.06  Measuring instruments and components
  • 03.06.07  Gas analyser

Our products

Product category: Gas-air mixing equipment

Gas Mixer MG

Gas mixer for 2 gases for high flows and highly fluctuating gas mixture withdrawal

  • quality gas mixer from the world market leader
  • also for discontinuous withdrawal
  • gas mixture withdrawal from 0 up to 161 Nm³/h
  • infinitely variable mixture settings
  • independent of pressure fluctuations
  • intermittent gas mixture withdrawal possible
  • system only works with sufficient buffer volume

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Product category: Gas analyser

Gas Analyser MFA 9000

Compact multigas-analyser for up to 15 binary gas mixtures

  • ideal for service and mobile analysis
  • measurement principle: thermal conductivity
  • long service life of measurement cell
  • easy to calibrate
  • inexpensive and low-maintenance

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Product category: Pressure controlling plant

Pressure Regulators

Mobile pressure regulating station

  • for a stable working pressure and a safe workplace
  • for temporary high gas requirement on construction sites
  • for fuel gases, oxygen and shielding gas
  • robust design with shelter and handle
  • with HD ball valve in the inlet

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Product category: Moisture content measuring

Moisture Measurement HYDROBABY

Mobile analyser for moisture and dewpoint measurement in gases

  • reliable, quick and accurate
  • dew point from -110° C to +20° C
  • for a variety of applications
  • portable and rechargeable
  • integrated data storage for dew point, temperature and pressure

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Product category: Safety devices

Flashback Arrestors

WITT flashback arrestors / flame arrestors are used to protect single cylinders, outlet points or pipelines and can be used for almost all technical gases such as acetylene, propane, propylene, ethylene, methane, hydrogen or oxygen.

Through the combination of established safety elements, flashback arrestors provide protection against flashbacks and backfire. Flashback arrestors / flame arrestors also prevent the formation of dangerous gas mixtures within the pipeline.

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Product category: Safety devices

Non-return valves

WITT non-return valves protect plants, pipelines and outlet points against reverse gas flow and meet all relevant standards and regulations. The product range of non-return valves includes a large choice of nominal sizes (up to DN200) and flow rates (0.35 – 106 SCFH).

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Company news



29 May 2019

Witt 4.0 - Smart valves adding value

What the "Internet of Things" or Industry 4.0 has to offer in the field of gas control valves will be demonstrated by Witt-Gasetechnik at the Thermprozess Expo in Düsseldorf from 25 to 29 June. The theme is "Smart gas technology for networked production".

In Hall 10, Stand H78, decision-makers and users can experience just how safe and visible a gas supply system’s performance can be, with the smart valves from Witt.

"We have combined our proven mechanical designs with high-tech sensors and electronic components. These next-generation products offer real added value for our customers," says Andrew Smart, Sales Manager Gas Safety Equipment at Witt.

Several examples of the new Witt 4.0 products can be seen at Thermprocess. One example is a dome pressure regulator with smart option. This high-precision gas pressure regulator now electronically transmits the upstream and downstream pressure as well as the gas temperature in real time and is also able to calculate the current flow rate. These signals can be integrated into burner control systems. They can also be integrated into gas supplier cryogenic tank telemetry systems, and to protecting downstream pipework from cold embrittlement.

Another development is next-generation safety relief valves. These protect gas systems from overpressure, by relieving pressure at a precise set-point. With the smart option, the safety valve can now electronically record its status and send a signal as soon as the valve opens and blows off. A clear gain in safety for the user.

Witt not only networks valves, but even the entire gas supply system: Gas mixers, pressure regulating stations, line pressure regulators, non-return valves and safety relief valves are connected in a network. All data converge in real time at a controller. Via remote software on PC, tablet or smartphone, employees have all of the performance information available at all times. This means maximum operational reliability, precise process control, zero defects and thus cost advantages.

WITT is regarded as the world's leading manufacturer of components and systems for industrial gas applications.

Hall 10, Booth H78, Thermprocess, Düsseldorf, 25-29.6.2019

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About us

Company portrait

WITT-Gasetechnik is a manufacturer of gas-related equipment that meets the highest quality requirements. It began some 75 years ago with flashback arrestors for cutting and welding.

Facts & Figures

  • Founded in 1945
  • Family business in 3rd generation
  • Approx. 200 employees
  • Located in Witten, Germany
  • Global network of subsidiaries and partners
  • Customers in more than 100 countries
  • Products 'Made in Germany'
  • Comprehensive quality management

Company data

Number of employees 100-499
Foundation 1945