產品特點：
Q646F-16P不銹鋼氣動四通球閥為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。
本閥門系列可配置多種驅動裝置
主要零件材質：
| 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 |
主要性能規范 Main Performance Spcification
| 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. |
主要外型與連接尺寸表Form of Main Types and Connecting Dimension
| 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（主要外型及連接尺寸表） |
