Views:137 Author:Site Editor Publish Time: 2020-11-18 Origin:Site
In the traditional industry and food industry, some abrasive solid or liquid products containing particles, powders, fibers, and slurry are often transported through pipelines. A pneumatic pinch valve is the best choice.
The VF15 air operated pinch valve is a valve with excellent wear resistance and corrosion resistance developed by Jia Nai Company. It is a good substitute for traditional ball valves, butterfly valves, diaphragm valves, and other valves. The average life span of the air-operated pinch valve clean water test is 400,000 times. Pneumatic pinch valves are applied in the mining industry: wet-type iron separators, ceramic filters, MGM tubular membrane filters, Gore membrane filters, mine tailings slurry pipelines, and mining unit slurry pipelines; construction machinery industry: automatic weighing device and dosing system for compounding system; metallurgical industry: an automatic slagging system for steelmaking; pharmaceutical industry: large plastic bottle infusion continuous conveyor; sewage treatment industry: sludge transportation pipeline.
When the control medium is not input, the cavity between the rubber sleeve and the valve body is in communication with the atmosphere, and the rubber sleeve is in an outward tension state under fluid pressure. Because there are reinforced plies arranged at a certain angle in the sleeve, the axial and radial pressure of the sleeve are balanced with each other, so the length and diameter of the sleeve will not change due to fluid pressure. When the control medium enters the cavity between the pipe sleeve and the valve body, the pipe sleeve crosses the flow under the pressure of the medium.
When compressed air or liquid (with a minimum pressure difference of 2 bar) enters the valve body of the pneumatic pinch valve, the specially made inner sleeve with high resilience is compressed. The structure of the valve body ensures that the lip of the inner liner is freely closed. This ensures the absolutely reliable shut-off of the media flow, while also maximizing the service life of the inner bushing. In this case, the pneumatic pinch valve is closed, so that the medium flow can be shut off 100%. The maximum working pressure depends on the nominal diameter, and the range is 2-6 bar. When the compressed air or liquid is interrupted, the special inner liner will fully open the valve due to the action of the resilience or restoring force and the action of the medium pressure.
Pneumatic pinch valve has smooth medium flow, minimal frictional resistance, 100% no leakage, no blockage, and lightweight, which are the most important advantages of air operated pinch valves. All flanged pinch valves have a flat oval shell, which ensures low compressed air consumption, which not only means energy savings but also ensures that the pneumatic pinch valve has a predetermined lip-shaped bend. Fold direction. The predetermined lip-shaped bending direction can not only ensure 100% shut-off of the medium flow but also, even large solid particles can be covered by the inner liner and completely shut off.
The key technology of the VF pneumatic pinch valve is the rubber inner bushing. But the key technology is in the German AKO company. There are no successful cases in the development and production of this product by domestic enterprises, and it is restricted by foreign-funded enterprises, resulting in price and technology monopoly.
The rubber inner bushing produced by Jia Nai company cooperates with well-known rubber companies in Taiwan and is designed and produced in accordance with the specifications and dimensions of AKO inner bushing. It has AKO's unique force engineering double-layer partitioned reinforced mesh reinforcement design process. Besides, it increases the resilience of the inner bushing and prolongs the life of the product, with a service life of more than 400,000 times. Our rubber inner bushing is the best substitute for AKO liners in the domestic market, breaking the technology and price monopoly of foreign companies.
All pneumatic pinch valve manufacturers, distributors, and manufacturers are welcome to order samples and consult.
Please see the figure below for details:
1.Gate valve is the opening and closing body (valve plate) driven by the valve rod, along the sealing surface of the valve seat for lifting movement of the valve, can be connected or stage fluid passage. Gate valve sealing performance is better than the globe valve, fluid resistance is small, openin Read More »
Valve is a control component in the fluid transportation system, the main function is to open and close, regulate, guide, prevent backflow, pressure stabilization, diversion or overflow pressure relief. Valve is also the most complex component in the pipeline, it is generally assembled from multiple Read More »
At first glance, there are not many valve parts, simple structure, and average precision. They are simple parts in the machinery industry, but the core sealing parts of the valve are particularly demanding. The valve manufacturing process is complicated and the technical difficulty is also great. To Read More »