Maier Rotary Joints (rotating unions)

Rotary joints (rotary unions) are components connecting stationary pipes to rotating rollers and tables for transferring media under pressure and to heat or cool a system or to feed the media through for process.

Maier Rotary joints (rotary unions) are designed for cold and hot water, steam up to 250°C/482°F, 40 bar, hot oil up to 390°C/734°F, hydraulic oil up to 350 bar, air up to 40 bar, chemical media, coolant up to 150 bar, vacuum and high running speeds and temporary "dry run" applications. We offer more than 10 basic series; sizes from 3 to 500 mm. Maier Rotary Joints (rotating unions) are utilized in the machine tool, textile, plastic, paper, rubber, food, steel, chemical, and energy industry.

We offer rotary joints for:

• Machine Tools (internal coolant supply), power spindles,
• Calenders for plastic materials and rubber
• Calenders for nonwoven products
• Printing and flexographic machines, gold converting,
• Textile and tannery machines
• Paper machines (super and soft calendars)
• Rotating dryers/mixers
• Tobacco processing machines
• Steel Industry (continuos casting),
• Food processing machines
• Chip board plants
• PET bottle machines / blow molding machines
• Rotational/slush molding machines
• Roofing Felt plants
• Wind turbines
• Solar wafer production
• Clutches
• Coiling systems

The Experience

Rotary joints (rotating unions) are often unessential compared to the cost of a machine or line. But they are essential components for the performance of machines in which they are installed. Critical usage configurations require theoretical and hands-on knowledge with a variety of applications.

Maier has more than 50 years experience in producing rotary joints (rotary unions). We produce more than 1000 versions of standard and custom-made rotary joints (rotating unions), from single passage to multi passage, from DN3 (1/8") to DN 500 (20"). An extensive laboratory for 24h tests 7 day a week is available and makes new products running well from the very beginning.