Q946F不锈钢电动四通换向球阀 四通球阀的简单介绍
上明牌不锈钢电动四通换向球阀为X形垂直通道的球阀,它的特点是球体的两条通道为X形布置,四个通道口径均布于球体赤道圆周截面上,当球体沿顺时针旋转90时,能使相邻的两个通道实现两两互通。
Q946F不锈钢电动四通换向球阀 四通球阀的详细信息
一、产品特点: 上明牌不锈钢电动四通换向球阀为X形垂直通道的球阀,它的特点是球体的两条通道为X形布置,四个通道口径均布于球体赤道圆周截面上,当球体沿顺时针旋转90时,能使相邻的两个通道实现两两互通。 Features Four-way direction changeable ball valve is a kind of ball valve with X-pattern vertical bore.It s feature is, the ball valve s two bores are arranged to be X-pattern ,and its four bores are connected to each other two of adjacent bores can be connected to each other. 1.本阀门系列可配置多种驱动装置: This ball valve can be equipped with several types of operation device. 2.四通球阀介质流向原理:
如图所示,“LL’’型四通球阀只需操作板手或执行器将球体转动90’,可同时对两种介质的流向进行切换,即方便而迅速,实现一阀多用的效果。 二、主要零件材质Main Patrs and Materials:零件名称 Accessory name | 材 质 Material | GB | ASTM | 阀体、阀盖 Body,bonnet | WCB | A216-WCB | 密封圈 Sealing Ring | PTFE、对位聚苯 PTFE、Counterpoint polypheny1 | PTFE、对位聚苯 PTFE、Counterpoint polypheny1 | 球体 Ball | 1Cr18Ni9Ti | SS 304 | 阀座、阀杆 Seat、Stem | 2Cr13 | A246-416 | 双头螺柱 Dual-head double-screw bolt | 35CrMoA | A193-B7 |
三、主要性能规范 Main Performance Spcification:公称压力 PN(MPa) Nominal diameter | 试验压力 Test pressure | 壳体 Shell | 高压液密封 High-pressure liquid sealing | 低压气密封 Low-pressure hermetic sealing | 1.6 | 2.4 | 1.76 | 0.6 | 2.5 | 3.75 | 2.75 | 4.0 | 6.0 | 4.4 | CLASS150 | 3.O | 2.2 | 适用工况 Applicable Operating Mode | 适用介质 Applicable medium | 水、油品、气等非腐蚀介质和酸碱腐蚀介质 Non-corrosion medium such as water, oil products, and gas, etc,and nitric acid corrosion medium. | 适用温度 Applicable temperature | -28-350℃ | 应用规范 Applicable specification | 连接法兰 Connecting flange | JB79-59、GB9113、HG20592-97、ANSI B16.5 | 检验试验 Test and inspection | GB9/T 9092-99、API 598 | 其余制造规范均按本厂标准 Other manufacturing standard is according to the standard of our factory. |
四、上明牌不锈钢电动四通换向球阀主要外型与连接尺寸表Form of Main Types and Connecting Dimension:公称压力或压力级 Nominal pressure | 主要尺寸 Main dimension | 公称通径 | 15/1/2″ | 20/3/4″ | 25/1″ | 32/11/4″ | 40/11/2″ | 50/2″ | 65/21/2″ | 80/3″ | 100/4″ | 125/5″ | 150/6″ | 200/8″ | PN1.6MFb | L | 150 | 150 | 180 | 200 | 220 | 240 | 260 | 280 | 320 | 380 | 440 | 550 | PN2.5MFh | L1 | 75 | 75 | 90 | 100 | 110 | 120 | 130 | 140 | 160 | 190 | 220 | 275 | PN4.0MFb | H | 90 | 90 | 102 | 115 | 135 | 140 | 155 | 185 | 210 | 275 | 305 | 335 | CLASS150 | W | 140 | 140 | 155 | 250 | 250 | 350 | 350 | 420 | 700 | 1000 | 1300 | 1800 | 其余的法兰尺寸请参阅样本 <主要外型及连接尺寸表> |
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