The S-tube rocker arm in the concrete pumps manufactured by Zoomlion Heavy Industry and Sany Heavy Industry serves an essential function in the pumping process.

The primary role of the S-tube rocker arm is to control the flow of concrete within the pumping system. It consists of a curved, S-shaped tube that acts as a valve, alternating between the intake and discharge phases of the concrete pump.

During the intake phase, the S-tube rocker arm positions the S-tube in a way that allows it to draw concrete from the hopper or receiving hopper. This ensures a smooth and continuous flow of concrete into the pumping system.

In the discharge phase, the S-tube rocker arm shifts the S-tube's position, closing the intake side and opening the discharge side. This directs the concrete under pressure from the pumping cylinders towards the outlet pipe or delivery line, allowing for precise placement or transfer of the concrete to the desired location.

The S-tube rocker arm's movement is synchronized with the operation of the pumping cylinders, ensuring efficient and controlled pumping of concrete. It works in conjunction with other components, such as the hydraulic system, to coordinate the timing and flow of concrete throughout the pumping process.

The S-tube rocker arm's design and construction are crucial to withstand the high pressures and abrasive nature of the concrete being pumped. It is typically made of durable materials and undergoes rigorous testing to ensure its reliability and longevity.

Changsha Tongchuang Mechanical Co., Ltd. is located in Changsha, Hunan, the capital of China's construction machinery. It is a service-oriented company integrating production, whole machine maintenance and remanufacturing, second-hand equipment, spare parts sales, new material application and export service. It is a member unit of China Construction Machinery Industry Association. Adhering to the business philosophy of "quality for survival, service first", the company has more than 20 years of professional service personnel to provide perfect solutions for customers at home and abroad. In order to achieve efficient and convenient service, the company adopts online and offline operation mode, online communication and offline service. Building the whole life cycle service industry chain of construction machinery, effectively solve the idle equipment of customers, and reduce the use cost of equipment. Checking second-hand equipment service , remanufacturing service and equipment export service have been well received by domestic and foreign users. From the initial parts supplier company to the comprehensive concrete machinery service provider, it is inseparable from the support and help of customers, friends and partners in the industry. At present, the company has Changsha production base, Changsha maintenance and remanufacturing base, Changsha parts storage center and Beijing Doudian parts storage center. We insist on "providing value for customers with products, creating value for customers with services, and sharing value with customers with solutions". We are willing to hand in hand with you to build a dream and create a better future!Company Profile product atlas.pdf