American Standard Electric Valve
Product Overview: gate valve with fluid resistance, apply pressure, temperature range and so on, is the most commonly used cut-off valve, used to cut off or connected to the line of medium. Currently, the domestic valve is widely used three-seventies design structure. And the United States, Japan and other advanced countries, gate valve, structure, stupid large variety incomplete body material, seal performance is not reliable. In particular, low-voltage gate PN1.0MPa domestic only cast iron, cast iron gate valve is often the cracking occurred, gate loss and other serious problems, cast iron gate valve stem easily corroded steel, packing gaskets of poor quality, both inside and outside serious leak.
The corrosive medium conditions, the lack of suitable low pressure domestic system PN1.0MPa stainless steel valve, stainless steel with a higher pressure level valve substitute, not only increased investment in the project or projects, stainless steel also caused unnecessary waste. The factory is the introduction of equipment with matching valves professional manufacturer for many years engaged in the work of domestic production of imported valves, and Buduan Xishouguowai the valve Jishu advanced in the design, manufacturing and quality control has accumulated a rich experience. Common problem for the domestic valve was developed with the following characteristics of flanged steel gate valves.
① meet the domestic and foreign advanced standards, reliable sealing, excellent performance.
② full range of body materials, packing, gasket can be based on actual working conditions or the user requests a reasonable option, can be applied to all kinds of pressure, temperature and medium conditions.
③ The flexible wedge gate-type structure, medium and large caliber set bearings, open and close easily.
④ can use a variety of standard piping flanges and flange sealing surface types to meet various project needs and user requirements. ⑤ developed a low-pressure carbon steel valve PN1.0MPa can replace iron gate, cast iron gate valves effectively solved the cracking shell easily, slide easily off the stem easily corroded, and so on unreliable sealing.
⑥ developed PN1.0MPa series of low pressure stainless steel valve, can be applied to a variety of corrosive media conditions, reduce costs, save material. Flanged steel valve products for use in nominal pressure PN1.0 ~ 16.0MPa, work temperature -29 ~ 425 ℃ (steel) and -40 ~ 200 ℃ (stainless steel) the name of the kind of pipeline for the truncated or connected to the line of medium. By choosing different materials, applicable to water, steam, oil, nitric acid, acetic acid, strong oxidizing medium and urea and other media, drive mode manual, bevel gear and electric.
Structural design and manufacture of standards the length of the pressure - temperature rating of flanges test and inspection GB12234 GB1221 GB9131, JB/T74, HGJ67 JB/T74 ~ 90, GB9112 ~ 9131, HGJ44 ~ 76 JB/T9092
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