Briefly describe the structural characteristics of stainless steel semi-ball valve and what aspects it is suitable?
opening and closing without friction. This function completely solves the problem that the traditional valve affects the sealing due to mutual friction between sealing surfaces. Top-mounted structure. The valves installed on the pipeline can be directly inspected and maintained on line, which can effectively reduce the shutdown of the device and reduce the cost. Single seat design. The problem that the medium in the cavity of the valve affects the safety of use due to abnormal boosting is eliminated. Low torque design. The valve stem with special structural design can be easily opened and closed with only one small handle. Wedge sealing structure. The valve is sealed by the mechanical force provided by the valve stem, pressing the ball wedge onto the valve seat, so that the sealing performance of the valve is not affected by the change of pipeline pressure difference, and the sealing performance is reliably guaranteed under various working conditions.
self-cleaning structure of stainless steel hemisphere sealing surface. When the sphere is tilted away from the valve seat, the fluid in the pipeline passes through the sealing surface of the sphere evenly at 360 degrees, which not only eliminates the local erosion of the valve seat by the high-speed fluid, but also washes away the accumulation on the sealing surface, achieve the purpose of self-cleaning. Stainless steel eccentric semi-ball valve is suitable for medium transportation such as crude oil and heavy oil, as well as technological processes such as petroleum cracking and food production. (Oil, natural gas, gas, water, etc). Special for blast furnace gas and gas: Cr-Mn- Si hard alloy, fire-resistant, explosion-proof and anti-static, the sealing pair is resistant to high temperature 560 ℃, and its corrosion resistance and bite resistance are more than 6 times that of stainless steel sealing pair, it is especially suitable for pipeline transportation and pressurization of gas, coke oven gas, water gas, liquefied gas and natural gas. (Blast furnace gas, natural gas, dusty gas, etc).
Special for slurry mixed flow: Two-phase mixed flow medium is an ideal process valve in the process flow of conveying solution slurry easy to precipitate and scale, crystallize and precipitate, slurry Ash, etc, it can break the scaling barrier when closing and realize smooth closing. It has the advantages of novel structure, special design, high efficiency, energy saving, good wear resistance, reliable sealing, light operation, rapid opening and closing, long service life, etc. ( Process slurry, slurry ash and other particulate matter transportation) Special for pipeline: it belongs to a straight-through semi-ball valve with no diameter reduction. The valve body passage is connected with the pipeline connected by the pipeline into a straight pipe, with the cross-sectional area equal, the resistance less than the diameter reduction, and the full opening and full closing can be achieved by rotating 90 degrees, convenient long-distance pipeline transportation control ,(Pulverized coal injection and gas transportation).
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