上明牌不銹鋼電動四通換向球閥為X形垂直通道的球閥,它的特點是球體的兩條通道為X形布置,四個通道口徑均布于球體赤道圓周截面上,當球體沿順時針旋轉90時,能使相鄰的兩個通道實現兩兩互通。 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.本閥門系列可配置多種驅動裝置:
This ball valve can be equipped with several types of operation device. 2.四通球閥介質流向原理:
Q946F不銹鋼電動四通換向球閥 電動四通球閥 不銹鋼換向球閥,如圖所示,“LL’’型四通球閥只需操作板手或執行器將球體轉動90’,可同時對兩種介質的流向進行切換,即方便而迅速,實現一閥多用的效果。
零件名稱 Accessory name | 材 質 Material | |
GB | ASTM | |
閥體、閥蓋 Body,bonnet | WCB | A216-WCB |
密封圈 Sealing Ring | PTFE、對位聚苯 PTFE、Counterpoint polypheny1 | PTFE、對位聚苯 PTFE、Counterpoint polypheny1 |
球體 Ball | 1Cr18Ni9Ti | SS 304 |
閥座、閥桿 Seat、Stem | 2Cr13 | A246-416 |
雙頭螺柱 Dual-head double-screw bolt | 35CrMoA | A193-B7 |
公稱壓力 PN(MPa) Nominal diameter | 試驗壓力 Test pressure | |||
殼體 Shell | 高壓液密封 High-pressure liquid sealing | 低壓氣密封 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 | ||
適用工況 Applicable Operating Mode | 適用介質 Applicable medium | 水、油品、氣等非腐蝕介質和酸堿腐蝕介質 Non-corrosion medium such as water, oil products, and gas, etc,and nitric acid corrosion medium. | ||
適用溫度 Applicable temperature | -28-350℃ | |||
應用規范 Applicable specification | 連接法蘭 Connecting flange | JB79-59、GB9113、HG20592-97、ANSI B16.5 | ||
檢驗試驗 Test and inspection | GB9/T 9092-99、API 598 | |||
其余制造規范均按本廠標準 Other manufacturing standard is according to the standard of our factory. |
公稱壓力或壓力級 Nominal pressure | 主要尺寸 Main dimension | 公稱通徑 | |||||||||||
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 |
其余的法蘭尺寸請參閱樣本 <主要外型及連接尺寸表> |
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