Integral joint blank by high quality alloy steel forging from the overll, rigorous heat treatment, with a compact, uniform thickness, long life, beautiful appearance smooth, interchangeable connectors. easy connection and so on. In the elbow. fittinas and other fluid change of direction. the inner wall of the more serious erosion of local design made thicker handle, extend the life of the security.
Pressure of work∶42MPA~105MPa
Nominal diameter;2"~3"
Material level ∶AA-EE
Temperature rating ∶-29℃~121℃(PU)
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On May 5th, 2011, representatives from the site of the development and revitalization work in the Wenchuan earthquake area in Sichuan Province saw an exciting scene on the scene of the disaster-hit area: Intelligent robot transport vehicles, robotic arms, and central control systems and other automation equipment interacted with each other. With the help of the technicians, the technicians only need to stare at the status of each device on the display to issue operation instructions, and the production process is successfully completed. Seeing such a gratifying scene with a high technological content, the delegates on the site had a smile on their faces. 
Intelligent factory high-tech leads the industry upgrade
In the on-site visit, people feel the most profound than the intelligent factories in Sichuan's hardest-hit areas. Each project reflects the changes brought about by the high-tech industry in Sichuan's hard-hit areas.
At the production site of China National Heavy Duty Truck Group Mianyang Branch, the delegates saw the scene of the overwhelming production: Following this complete production line, with the roar of the machine, each accessory magically transformed into magic. A car.
According to reports, the production line of China National Heavy Duty Truck Mianyang Branch has been completely modernized. Each operation station has completed a car production and assembly process will not exceed 8.6 minutes; like this through an automated conveyor belt, each stop, and then automatically send Down the station, the total time spent will not exceed 206 minutes. 
115-Day Production of 100 Million Yuan in Mianyang to Realize Sichuan Speed
8.6 minutes to complete a process, 206 minutes to produce a complete vehicle, this is just a microcosm of Sichuan's industrial rejuvenation.
In May 2008, China National Heavy Duty Truck Group donated more than 20 million yuan worth of cash and vehicles to support disaster relief and dispatched an employee volunteer team to the disaster area in Mianyang.
On May 12, 2009, Sinotruk invested the first capital in Mianyang. Invested 300 million yuan to build a new special-purpose automobile company Mianyang Mianyang Special Purpose Vehicle Co., Ltd. in Mianyang, which will annually produce 10,000 units of special-purpose vehicles, and officially started production in December 2009.
On August 24, 2010, the Mianyang Municipal People's Government signed an agreement with China National Heavy Duty Truck Group Co., Ltd. for the trucking project of China National Heavy Duty Truck Group in Mianyang, Sichuan. The project plans to use 1,000 acres of land, a total investment of about 2 billion yuan, after the completion of the formation of an annual output of 40,000 heavy truck assembly production capacity, the first phase of investment of about 1 billion yuan, the formation of 20,000 heavy truck assembly capacity. On September 25, 2010, China National Heavy Duty Truck Group's Sichuan Mianyang truck project officially broke ground and a hundred days of hard work began.
In order to stimulate the passion of the builders for the work, the company organized the employees to visit the earthquake site in the old county of Beichuan. The ruinous scenes of the ruins have deeply touched the hearts of every employee. Everyone is determined to speed up construction and strive to start production as soon as possible.
Most of the core technical personnel and management personnel of the project are located in Jinan, Shandong Province, far from their hometown. Everyone sends a text message to the family to express their thoughts and feelings in the gap between them.
On the construction site, temporary tables and chairs in the canteen were not enough. Everyone stood or ate in the open-air dam outside the board room to have a light meal. For the construction period, the construction team creatively pushed forward the work. At the same time as the factory building is under construction, equipment ordering will be carried out simultaneously. At the same time as the installation and commissioning of equipment, the work of recruiting and training employees will be promoted simultaneously. At the same time, various methods such as squeezing operations and crossover operations have been adopted to carry out day and night construction. In this way day and night, China National Heavy Duty Truck set up a new large-scale project in Mianyang to put into operation in Sichuan.
According to relevant person in charge, the plant has received a large number of orders now, and it is expected that it will achieve 20,000 capacity in 2011 with sales revenue of 6 billion yuan.