Thrust linear vacuum pump parameters

We describe a generalized numerical measure of the characteristics of a trochoid pump, which researchers generally want to know about some characteristic of a trochoid pump. Often, when we study current problems, we often care about the changes that occur in a few variables and the interrelationships between them. These are the parameters of the trochoidal vacuum pump, which are important for understanding such products. These parameters are also business cards for each product. Trochoidal vacuum pump trochoidal vacuum pump parameters: 1, trochoidal vacuum pump maximum working pressure: trochoidal vacuum pump unit of pressure is Pa, which refers to the maximum amount of suction corresponding to the inlet pressure, at this pressure , Trochoidal vacuum pump can work continuously without deterioration or damage, and can achieve maximum operating efficiency. 2, Ho coefficient: refers to the trochoidal vacuum pump suction channel area of ​​the actual pumping speed and the Department calculated by molecular diarrhea theoretical pumping speed ratio. 3, the pumping speed coefficient: trochoidal vacuum pump pumping speed and the actual entrance of the molecular effusion calculated by the ratio of theoretical pumping speed. 4, water vapor allowance: Water vapor unit is kg / h, it refers to the trochoidal vacuum pump under normal environmental conditions, gas pump can be removed in the continuous operation of the water vapor mass flow. 5, trochoidal vacuum pump suction rate: trochoidal vacuum pump suction rate unit is m3 / s or l / s, is the pump equipped with a standard test cover, and work in accordance with the provisions of the conditions from the test cover The ratio of the flow of gas flowing through to the equilibrium pressure measured at the location specified in the test hood. 6, trochoidal vacuum pump exhaust volume: trochoidal vacuum pump pumping unit is Pam3 / s or Pal / s. It refers to the pump inlet gas flow. With the further development of vacuum pumps, the market demand of trochoidal vacuum pumps has been on the increase, and its research and development is more urgent. The study of its relevant parameters is a top priority for the development of this industry. Stakeholders also put more emphasis on the research parameters of troching line vacuum pump, get more innovation and inspiration from the parameters. Related articles: Spray valve vacuum pump parameters oil seal vacuum pump parameters


This classification including Cold Formed Hollow Section SHS, usually they are used for contruction purpose, also some customer use them for car , billbord, stents, fence etc.

Jinan Xin Jiyuan Special Section Tube Co., Ltd. is the holding company of Jinan Xin Fangyuan Special Steel Tube Co., Ltd. founded in 1997. Our companies located in Dawei Industrial park, north end of Second Ring Road, Jinan City, Shandong Province, closed to Beijing-Shanghai expressway exit, transportation is very convenient, and also have a good production and operation environment.

Our company purchased three production lines at the cost of over 16 million for expansion of the new factory; they have been gradually put into operation. These production lines make full-sizes of square tubes and rectangular tubes: 20x20 -600x600 square tubes, 20x30 - 400x800 rectangular tubes, Thickness: 1.5mm to 32mm, over 2800 kinds of specifications, Material: Q195, Q215, Q235, Q275, Q345, 20#, 45#, stainless steel, seamless pipe, alloy steel etc. We could produce diamond, triangular, pentagonal, hexagonal, fan etc. special sizes, also could tailor-made according to customer drawing and dimension.

Our products of large-diameter, thick-walled square or rectangular tubes fill the part blank of domestic and abroad market. Our products are widely used in large scale steel structure engineering, machinery manufacturing, shipbuilding, bridges, construction industry, metallurgical industry, automotive industry, railways, highways, aviation, container, furniture, decoration and many industries. The company regards product quality as the lifeblood of the enterprise; use personality makes products, layers the guarantee the quality of products. Our company has passed ISO9001:2015 quality management system certification, products passed Europe Union 10210-1:2006, 10219-1:2006 CE certification and FPC issued by Lloyd. Company with more variety, large inventory, high quality, low price, short delivery time and good after-sales service, and many other competitive advantages, has become designated supplier of many large enterprises. Customers throughout our country in more than 20 provinces and cities and exported to the United States, Canada, Russia, India, Malaysia, Europe and other countries and regions.

This production line is the international leader and the first domestic gradual roll extrusion mill group, it abandoned the original workshop mode of cold drawn Square Steel Tube, the small workshop mode have disadvantage of production slow, No quality assurance, twist, bend crack, uneven thickness, and the same time abandoned now widely used in cold unit lines, large quantity, low accuracy, single size, small caliber, thin (15.75mm) and other defects. The unit for forming, straightening one unit, the entire computer monitor, no need to manually pull hard. Fully automated units could ensure mechanical and physical properties of square tube and rectangular tubes. The hourly output of each production line more than 20 tons, all annual output up to 1.5 million tons.

Our chairman and general manager Changxing Hu, heartfelt thanks friends from all walks of life for many years trust and support, our all staff service to our clients as usual, and common development, win-win cooperation, good faith altogether casts and create brilliant.

Cold Formed Hollow Section SHS

Cold Formed Hollow Section SHS ,Hollow Section SHS,Cold Formed Square Steel Pipe Tube,Cold Formed Standard Hollow Sections

JINAN XIN JIYUAN SPECIAL SECTION TUBE CO., LTD. , https://www.squarepipes.com

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