API607 Эксцентриковый шаровой кран с боковым креплением PBQ940H-10C
Worm Gear Eccentric Ball Valve; Top-Entry Eccentric Ball Valve Design Standards:
Design and manufacturing standards conform to: GB12237—1989, ASME B16.34, API 6D General Purpose Valve Flanges and Butt-Welded Steel Ball Valves
Structural length conforms to: GB12221, ASME B16.10;
Connection end dimensions conform to: JB/T79, GB9113, HG20592; ASME.B-16.5A, ASME B16.25;
Inspection and testing conform to: JB/T 9092, GB/T13927-1992, API 598; General Purpose Valve Pressure Test
Fire protection design conforms to: API 607;
API607 Эксцентриковый шаровой кран с боковым креплением PBQ940H-10C
Worm gear eccentric ball valves are categorized by application into six major series: general-purpose valves, pipeline valves, slurry-specific valves, gas-specific valves, petrochemical-specific valves, and pulverized coal injection-specific valves. They are available in manual, пневматический, and electric operation, with eight pressure ratings (PN0.25～10.0Mpa) and hundreds of specifications (40～1000). These valves are a replacement for gate valves, шаровые клапаны, Y-type valves, and ball valves in the petroleum, химический, metallurgical, power, and gas industries. Currently, they are widely used in pulverized coal injection in the steel industry, slurry, mother liquor, and alumina powder conveying in the alumina industry, hydraulic (or dry) ash removal in the power industry, and in the petrochemical and gas industries.
API607 Эксцентриковый шаровой кран с боковым креплением PBQ940H-10C
General Purpose Valve: Разумно спроектированная и компактная конструкция, имеет низкое сопротивление потоку, хорошие характеристики уплотнения, и простое и гибкое управление. It is particularly suitable for low-pressure pipelines carrying media such as water, сточные воды, пар, и целлюлоза. Может быть оснащен электрическими или пневматическими устройствами для дистанционного автоматизированного управления.. (Для неагрессивных сред, таких как вода, пар, сточные воды, мякоть, и жижа)
Pulverized Coal Injection Valve: Идеальное устройство для контроля транспортировки твердых частиц запыленных газов и твердых частиц., например, впрыскивание пылевидного угля. It is widely used in various pipeline controls in blast furnace pulverized coal injection, распылительные системы, и системы пылеудаления в металлургическом производстве., переработка полезных ископаемых, и процессы производства энергии. Он принимает сквозную структуру, обеспечение плавного потока и предотвращение накопления и засорения золы. Уплотнительная пара изготовлена из сплава Co-Cr-W и прошла специальную термическую обработку., делает клапан устойчивым к эрозии и износу. Эксцентричная сферическая поверхность клапана имеет функцию автоматической компенсации.; регулировкой болтов на червячной передаче, уплотнительная пара все еще может обеспечить эффект повторного уплотнения даже при определенной степени износа. (Для запыленных газов и твердых частиц)
Worm Gear Eccentric Ball Valve, Top-Entry Eccentric Ball Valve Applications:
Petrochemical Industry Special: Designed for high-pressure, high-temperature media in the petrochemical industry, filled with flammable, explosive, and easily corrosive media such as weak acids and alkalis. Features include excellent sealing, corrosion resistance, easy opening and closing, and automatic removal of scale from the valve surface. Suitable for transporting crude oil, heavy oil, and other media, as well as in petroleum cracking, food processing, and other processes. (Petroleum, natural gas, coal gas, вода, и т. д.)
Blast Furnace Gas and Gas Special: The sealing pair is made of Cr-Mn-Si hard alloy, which is fire-resistant, explosion-proof, and anti-static. The sealing pair can withstand high temperatures up to 560℃. Its corrosion resistance and anti-galling ability are more than 6 times that of stainless steel sealing pairs. It is particularly suitable for use in pipeline transportation and pressurization stations for coal gas, coke oven gas, water gas, сжиженный газ, and natural gas. (Blast furnace gas, natural gas, dust-laden gas, и т. д.) For slurry mixed fluids: The ideal process valve for conveying two-phase mixed fluid media such as easily precipitated, scaled, or crystallized slurries, slurry ash, и т. д.. It can overcome scale obstacles to achieve smooth closure. It features a novel structure and unique design, offering advantages such as high efficiency and energy saving, good wear resistance, reliable sealing, easy operation, rapid opening and closing, and long service life. (Conveying process slurries, slurry ash, и т. д.. containing particulate matter) For pipelines: A straight-through hemispherical valve with no reduction in diameter. The valve body channel connects to the pipeline in a straight line with the same cross-sectional area, resulting in less resistance than a reduced diameter valve. Full opening and full closing can be achieved with just a 90-degree rotation, facilitating long-distance pipeline transportation control. (Pulverized coal injection and gas transportation)
The worm gear eccentric hemispherical valve, specifically the top-mounted eccentric hemispherical valve, offers the following advantages:
1. Compact side-mounted structure and lightweight, suitable for applications requiring limited installation space.
2. Low fluid resistance; its resistance coefficient is equal to that of a pipe section of the same length.
3. Simple structure, small size, and light weight.
4. Cutting function; it can cut off impurities (twigs, textile bags, и т. д.) in the medium when closed.
5. Tight and reliable; the sealing surface material of the ball valve widely uses plastics, providing excellent sealing performance, and it is also widely used in vacuum systems.
6. Convenient operation; rapid opening and closing; only a 90° rotation is needed from fully open to fully closed, facilitating remote control.
7. Easy maintenance; the ball valve has a simple structure, and the sealing rings are generally movable, making disassembly and replacement convenient.
8. When fully open or fully closed, the sealing surfaces of the ball and seat are isolated from the medium, preventing erosion of the valve sealing surfaces during medium flow.
9. It has a wide range of applications, with pipe diameters ranging from a few millimeters to several meters, and can be used in applications ranging from high vacuum to high pressure. When the sphere rotates 90 степени, the entire inlet and outlet should present a spherical surface, thereby cutting off the flow.
