Christian Maier GmbH & Co. KG of Heidenheim an der Brenz at K 2019 in Düsseldorf -- K Trade Fair
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Christian Maier GmbH & Co. KG

Postfach 1609, 89506 Heidenheim an der Brenz
Würzburger Str. 67-69, 89520 Heidenheim an der Brenz
Germany
Telephone +49 7321 317-0
Fax +49 7321 317-239
info@maier-heidenheim.de

Hall map

K 2019 hall map (Hall 3): stand A73

Fairground map

K 2019 fairground map: Hall 3

Contact

Florian Maier

Managing Director & CEO

Phone
+49 7321 317 123

Email
gl-sek@maier-heidenheim.de

Andreas Greiner

CEO

Phone
+49 7321 317 123

Email
gl-sek@maier-heidenheim.de

Markus Scharting

Director Sales

Phone
+49 7321 317 0

Email
info@maier-heidenheim.de

Stefan Arnold

Head of Service & Laboratory

Phone
+49 7321 317 0

Email
info@maier-heidenheim.de

Our range of products

Product categories

  • 03  Machinery and equipment for the plastics and rubber industries
  • 03.11  Parts and components
  • 03.11.007  Rotary unions for liquids

Our products

Product category: Rotary unions for liquids

Series MP

Multi-passage rotary joints for simultaneous supply of up to ten different media and pressures with the option to separate passages completely. For turntables, tools and forms. The dimensions as shown in our catalogue should give you a first impression of the technical possibilities and the application potential.

Due to the many possible variations in sizes, materials and seals, the MP series covers many conceivable applications.

Rotary joints of the MP series are suitable for:

  • Hydraulic oil
  • Cooling water
  • Air
  • Gas
  • Vacuum

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Product category: Rotary unions for liquids

Series DP

All-purpose rotary joints for water and thermal oil with balanced mechanical seal and roller bearings. Various sealing combinations are available, depending on application. Meets the special requirements of the printing and plastics industry. The rotary joints of the DP, DPN series (DN 6 – 100) are also available in ATEX-certified design.

The series is structured as followed:

  • The small series, nominal width (mm) up to 6
  • The basic series, nominal size (mm) 10 to 50, also with variant DP-800
  • The stainless steel series, nominal size (mm) 10 to 50
  • The large series, nominal width (mm) 65 to 100
DP rotary joints are suitable for:

  • Cooling water
  • Hot water
  • Thermal oil (variant DP-800)
  • Hydraulic oil (small series)
  • Compressed air (small series)

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Product category: Rotary unions for liquids

Series DA

Rod-mounted rotary joint with maintenance-free, metal-impregnated sealing rings. DA rotary joints are suitable for:

  • Thermal oil
  • Steam
  • Cooling water and hot water at low speeds

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Product category: Rotary unions for liquids

Series DC/DCL

Rotary joints for hot water and steam at high pressures and speeds. Balanced mechanical seal with external water-cooling. Meet the special requirements of paper and nonwoven calenders, fiber and corrugated paper plants. Suitable for big, steam-heated dryers. Patented system. By sealing these media there is a risk of dry running on the seal, which leads to a reduction in operational safety and service life. This can be successfully prevented by the internationally patented DC series system.

Rotary joints of the DC series are suitable for:

  • Hot water (series DC up to 250 °C, series DCL up to 180 °C)
  • Steam (DC series)

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Product category: Rotary unions for liquids

Series DQ/DQL/DQT

Rotary joints for thermal oil with high temperature and speed ranges, balanced mechanical seal. DQ, DQT, DQTX with additional cooling circuit for cooling and lubrication of bearings and seal. Meets the requirements of calenders operating at high speeds and temperatures. If thermal oil comes into contact with the oxygen in the air, chemical reactions in the form of coking or cracking occur. The seals are damaged and oil and oil vapours escape. The internationally patented DQ system prevents  these effects and thus offers unique advantages. Oxygen in the air is separated from the thermal oil by a barrier medium. A cooling unit is used to cool down the sealing medium – the same heat transfer medium as in the main circuit – in the DQ and DQT series.

DQL version is limited to a temperature of 250°C, therefore a cooling unit is not required. The rotary joints of the series DQ, DQT (DN 25 – 150) are also available in ATEX-certified design.

Rotary joints of the DQ series are suitable for:

  • Thermal oil

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Product category: Rotary unions for liquids

Series DX/DXS

Universal rotary joints for water, equipped with mechanical seal and ball bearings. DXS with highly resistant, ceramics coated sealing surface for higher temperatures and speeds as well as prolonged service life.

The rotary joints of the series DX, DXS (DN 10 – 150) are also available in ATEX-certified design.

Rotary joints of the DX series are suitable for:

  • Cooling water (DX, DXS series)
  • Hot water (DXS series)

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Product category: Rotary unions for liquids

Series DZ

Rotary joint series for compressed air. Several channels for different pressures, large and small volumes. Stainless steel version with special sealing rings and counter surfaces made of ceramics or other hard materials.

Rotary joints of the DZ series are suitable for:

  • Air
  • Vacuum

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Product category: Rotary unions for liquids

Series H/HW

Universal rotary joint with maintenance-free carbon sealing rings and carbon bushings. Metal-impregnated sealing rings for thermal oil and higher pressure loads when used for hot water and steam. H3 features an integrated vacuum breaker for steam cylinders. These versions are suitable for the rotary transmission of water and steam and, depending on the series for the transmission of heat transfer oil. There is a basic series H and HW for the above-mentioned media up to DN100 and we offer reinforced versions HWA, HWB, HWX for higher speeds, loads and for large nominal sizes. Flexible modular system with retrofit table, flat-sealing housing flanges. A large number of different versions are available for this series.

The rotary joints of the series HWA, HWB, HWX (DN 15 – 100) are also available in ATEX-certified design.

Rotary joints of the H series are suitable for:

  • Cooling water
  • Hot water
  • Steam
  • Thermal oil (HW series)

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Product category: Rotary unions for liquids

Series K/KL/KS

High performance rotary joints for internal supply of cooling lubrication (coolant) to machine tools. Series K with TESS technology (Thermal Expansion Sealing System) is suitable for dry run (does not apply to KS). They can be used with a minimum amount of lubricant (MQL). This is achieved by an internationally patented proprietary development.

Rotary joints of the K series are suitable for:

  • Coolant
  • Air
  • Dry operation
  • Minimum quantity lubrication (MQL)

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Product category: Rotary unions for liquids

Series M

Sturdy rotary joints for contaminated media at low speeds. For example in rolling mills and stone washing machines.

Rotary joints of the M series are suitable for:

  • Cooling water
  • Hot water
  • Steam

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About us

Company details

Rotary Joints by Maier - A Union for Life

Excellent quality in products and service, safety and reliability as well as a treasure trove of experience gained in more than 90 years of company history provide the foundation for our leadership in rotary joint technology. Our successful formula for optimal leak-proof solutions: intensive development combined with testing both in the laboratory and in the field – for high performance of machines and plants in different industries.

Rotary joints by Maier are available from our subsidiaries and a vast network of distributors all over the world. If you like to know more about us, please visit our website: www.maier-heidenheim.com.

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Company data

Number of employees

101 - 500

Foundation

1925

Area of business

Machinery and equipment for the plastics and rubber industries

Target groups
  • Plastic product manufacturing
  • Chemical industry
  • Rubber manufacturing / processing
  • Machinery construction
  • Packaging / distribution
  • Vehicle construction / aerospace
  • Energy technology / photovoltaics
  • Other industries

Company information as a PDF file