法蘭連接四通球閥產品特點
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.四個通道口徑均布子球體赤道圓周截面上,當球體沿順時針旋轉90度時,能使相近的兩個通道實現兩兩相通。
本閥門系列可配置多種驅動裝置。
法蘭連接四通球閥主要零件材質Main Patrs and Materials
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 |
法蘭連接四通球閥主要性能規范 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 |