From April 1, 2011, the Yutong Bus Air Conditioning Quality Service Month was officially launched nationwide. The event was hosted by Yutong Bus. The activity lasted for 2 months. From the south to the north, the Yutong Bus Air Conditioner was checked and maintained free of charge in order to eliminate hidden troubles and ensure the normal use of air conditioners for customers in summer.
The air conditioning system is a part of high-load operation of the vehicle in the summer, and its working condition directly affects the riding comfort and operation of the vehicle. In order to ensure the effectiveness of service activities, Yutong Bus has established a professional service team consisting of Yutong engineers stationed abroad, air conditioner manufacturers, service station air conditioning maintenance personnel, and adopts a large customer door-to-door service. . At the same time, customers with training needs will be provided with targeted training in air conditioning operation and maintenance.
For this event, the Yutong Bus Co-organizer co-organizer prepared an event package for air conditioners—air conditioning appliance repair kits, including practical accessories such as air-conditioning relays, air conditioning fuses, and air conditioning sensors. During the event, Yutong buses will have batches to remind users to participate in service activities through telephone, SMS, etc. in advance.
It is reported that Yutong buses have started quality service month activities in Henan, Guangxi, Shanghai, Jiangsu, Sichuan, Chongqing, Yunnan, Guizhou, and other provinces, and other regions will start in accordance with the local climate in the near future.
Pneumatic ball valve is a ball valve equipped with a pneumatic actuator. The execution speed of the pneumatic actuator is relatively fast. The fastest switching speed is 0.05 seconds / time, so it is usually also called pneumatic quick cut-off ball valve. Pneumatic ball valve is usually equipped with various accessories, such as solenoid valve, air source treatment triplet, limit switch, positioner, control box, etc., to realize local control and remote centralized control. The valve can be controlled in the control room without running to the site or high altitude and dangerous areas for manual control, which saves human resources, time and safety to a great extent.
The pneumatic ball valve can be closed tightly only by using the pneumatic actuator to rotate 90 degrees with the air source and a small rotating torque. The completely equal inner cavity of the valve body provides a very small resistance and straight flow channel for the medium. It is generally considered that the ball valve is most suitable for direct opening and closing. The main feature of the ball valve is its compact structure and easy operation and maintenance. It is suitable for general working media such as water, solvent, acid and natural gas, as well as media with poor working conditions, such as oxygen, hydrogen peroxide, methane and ethylene. The ball valve body can be integral or combined.
Pneumatic butterfly valve is composed of pneumatic actuator and butterfly valve. Pneumatic butterfly valve is a pneumatic valve that uses the circular butterfly plate rotating with the valve stem as the opening and closing property to realize the opening and closing action. It is mainly used as a block valve. It can also be designed to have the function of regulation or section valve and regulation. Butterfly valve is more and more used in low-pressure large and medium-sized pipelines. Classification of pneumatic butterfly valve: stainless steel pneumatic butterfly valve, hard seal pneumatic butterfly valve, soft seal pneumatic butterfly valve and carbon steel pneumatic butterfly valve. The main advantages of pneumatic butterfly valve are simple structure, small volume, light weight and low cost. The characteristics of pneumatic butterfly valve are particularly remarkable. It is installed in a high-altitude concealed channel, controlled by two position five way solenoid valve, easy to operate and can also adjust the flow medium.
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