Our recipe for success for optimal leak-proof solutions: Intensive development paired with tests in the laboratory and in the field for high performance of machines and systems in various industries. Maier rotary unions are the optimal solution for all industries and are suitable for both cold and hot water up to 300 C, steam up to 300 C, 40 bar, heat transfer oil up to 400 C, hydraulic oil up to 350 bar, compressed air up to 40 C bar, chemicals, cooling lubricants up to 150 bar, vacuum, high speeds and dry running. We offer standard series and numerous special solutions for other media and extreme operating conditions. With our rotary unions we guarantee maximum operational safety and functionality, high performance and a long service life. Our latest series, the DS, is equipped with sensors that control your machines. Competence begins with development and ends with our attentive service.