8, flange bolts shall be symmetrical, successive, on average. 5, the ball valve open/close only do 90 & amp; 度; Rotation, so easy to achieve semi-automatic stem and long stem, decorate ball valves can be equipped with pneumatic device, electric actuator, hydraulic device, gas liquid linkage or electro-hydraulic linkage. Ball valve is mainly used for cutting off or through media, can also be used for the regulation of fluid and the stem, v-shaped ball valve can be implemented is very accurate flow control and stem, and three-way ball valve is used to assign the medium and change the flow of the medium. As the technical progress of ball valve, in the foreseeable within instant see, especially on fuel natural gas pipeline, oil cracking device, and the nuclear industry ranks have a wider range of application. 10 several times, drive valve opening and closing operation, should be no sluggish acerbity, prove its office is normal. 4, the valve stem tightly closed. 11, according to the requirements of preset pipeline between the ball and come into force as of the flange joint surface of the pipes tightly closed performance investigation. This, in other industries of large diameter and low pressure areas, ball valve will also become one of the dominant type of valve type. Place the whole piece of paper full close several times to prove its office is normal. 6, the valve is installed on the pipeline. 3, micro remember to check ball valves, check clear ball valve is in good shape. 5, seizing the valve hole cleaning, and utterly likely some dirt, and then clean the valve hole. When the ball valve open/close the valve stem make rotation movement only, because the valve stem packing tightly closed is not easy to be damage, and the valve stem down tightly closed tightly closed force with medium pressure increases. Before and after the pipe shall be concentric, two flange tightly closed surface should be parallel. Ball valve seat tightly closed circle of common right and use elastic materials such as ptfe, easy to safeguard tightly closed, and ball valve tightly closed force with medium pressure increases. Handle driven valve can be installed on the pipeline of arbitrary position. Ball valve installation explained: 1, the pipeline before and after the ball Industrial Valves has been ready. 2, before and after the valve pipeline purging and tidy, remove them completely off the pipe oil, welding slag, and all the other impurities. Ball valve in the line is mainly used for truncation, distribution, and change the medium flow direction, the preset into V mouth ball valve has a satisfactory flow regulating function. 4, countersigned down on both ends of the ball valve flange try our best to take care of. 3, tightly sealed performance is good. 7, valve, flange and pipe flange according to the requirements of pipeline preset mount tightly closed between pads. No matter what end of the valve can be installed at the upstream end. 。 But with the gearbox or pneumatic actuator ball valve shall be installed vertical and is installed on the level of pipeline, and drive in the pipeline. Ball valve not only simple structure, tightly sealed performance is good, and in a certain range of nominal menstruation small size, light weight, less material consumption, small installation size, and small drive moment, operation simple and convenient, easy to achieve rapid opening and closing, ball Industrial Valves is one of the fastest progress in last decade valves varieties. Especially in America, Japan, Germany, France, Italy, west, the industrial developed country, such as the use of ball valve is very extensive, using the variety and number is still in the next expansion, and to high temperature and high pressure, big, Gao Yanmi closed, long live life, good regulation performance, and a valve multifunctional direction of progress, the dependable sex and other performance indexes reach a higher level, and has set up a local instead of gate valve, the valve, throttle valve. Between the seat and the ball even if only a tiny particles of foreign matter may be damage to the seat tightly closed surface. Ball valve is one of the 50 times the one hundred valve, in half of the one hundred years, ball valve has progress into a main valve class. Q: the office principle of micro electric ball valve a: ball valve is by developing the cock, and its opening and closing as a spherical stereo, using spherical stereo around the axis of the stem to rotate for 90 o successfully achieve the goal of opening and closing. 2, switch is quick, convenient, as long as the valve rod rotation 90 & amp; 度; , ball valve or close action, completes the whole paper is easy to succeed with quick opening and closing. 9, petition pneumatic pipeline ( When using the pneumatic drive right) 。 Pipe should be able to bear the weight of the ball valve, otherwise the line must be equipped with appropriate Marine valve support. With other valve in ball valve as described under point strengths: 1, the fluid resistance small, ball valve is the smallest of all valve fluid resistance in class a, even if is reducing ball valve, the fluid resistance is small. Notes to the order: The national standard) A, A: B: product name, model, nominal size medium and temperature, pressure range C: whether there is attachment, delivery time, and special requirements so that we can correct selection for you. Second, if the valve has been selected by design unit of our company model, please order according to the valves parameters directly with our sales center. Three, it is very important when you use the occasion or the environment is more complex, would you please provide design drawings and detailed parameters, our engineers experts will concentrate on review and analysis for you. We can provide you with professional solutions, including design, customization, complete, operation and service. We've been working on the valve leader in the field of industry, to provide you with the latest knowledge of the valve, the best service, best technical adviser. Thank you for visiting our website, if you have any questions, you can call us, we will be dedicated to provide you with quality services. The factory provides professional ball valve, butterfly valve, gate valve, globe valve, check valve, relief valve, safety valve, Marine valve, oil valve, hydraulic control valve and other kinds of valves.
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We sells flow control valve and focus on operational procedure and manufacturing facilities resilient seated valve.