Hydraulic Installation and Piping

Rota Teknik performs piping and assembly applications in compliance with DIN, ASME, and SAE norms, ensuring required standards are implemented. Pipe standards used in Piping/Assembly Processes include: • Cold-drawn seamless phosphate coated EN10305-4 E235+N (St 37-4 NBK - Heat treated/Annealed) up to 42 mm in accordance with DIN 2391 C norm • For those larger than 42 mm, hot steel drawn seamless pipes are used in accordance with EN10210/1-2 S355J2H or EN10297 E355 (St 52) DIN 2448 norm Hydraulic power units, pipes, hoses, and fittings that facilitate oil exchange between valve blocks and hydraulic cylinders are critical for system operation. Rota Teknik supplies materials and workmanship for these components, which provide interconnectivity for hydraulic circuit elements. All materials (pipes, hoses, fittings, etc.) used in transmission lines conform to norms and standards, and their assembly prevents undesirable flow turbulence. After assembling industrial or mobile hydraulic piping systems, static tests are applied by pressurizing 1.5 times the system's working pressure using high-pressure test units. Pickling and cleaning processes follow the assembly. In addition to piping and assembly services, Rota Teknik offers commissioning of hydraulic and pneumatic systems, system revisions, periodic maintenance, machine maintenance, and supply services for hydraulic valves, hydraulic pumps, and all Hydraulic and Pneumatic circuit elements. Rota Teknik values innovation in Hydraulic Piping and Installation processes, striving to create lasting value with the latest technology.

Conducting pickling and flushing operations is vital for the long-term, trouble-free operation of hydraulic systems. Rota Teknik ensures that all particles above a specific size in the circuits are removed from the system and that hydraulic circuits are clean. These cleaning processes are applied before the system is put into regular operation, following the completion of welding and assembly processes for hydraulic circuits. Rota Teknik's experienced staff performs these sensitive and important operations in compliance with industry standards. Pollution measurements made with cutting-edge devices prolong the system's performance and lifespan. The pickling process aims to eliminate welding burrs, rust, and other corrosive materials from pipe circuits. Pickling is lengthy and challenging, especially for pipes with poor inner surfaces. The top layer of the pipe's inner surface is slowly eroded using low, acidic solutions. Subsequent neutralization and passivation processes normalize the pH level and protect against oxidation. After pickling, rusty, dirty pipe surfaces achieve a shiny silver metallic appearance. Although the pipes used in installations are oily with plugs at the ends, the internal surface quality and cleanliness may not meet the desired level for large-diameter pipes. To remove particles, hot and high-flow oil is circulated through the pipe's inner surface. This process is repeated until the inner pipe cleaning reaches the targeted level. The targeted cleaning is verified by taking samples from the system and analyzing them with special particle counting devices and/or in a laboratory setting. Rota Teknik submits test reports to relevant institutions, preparing the hydraulic system for commissioning. With its extensive professional experience, Rota Teknik prevents damage and malfunctions caused by pollution, improving production efficiency. Performing pickling and cleaning is crucial to avoid malfunctions and production losses from pollution and reduce spare parts and maintenance costs.