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四通球閥 概述
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,四個通道口徑均布于球體赤道圓周截面上,當球體沿順時針旋轉90時,能使相對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
四通球閥 主要性能規范
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 | 3.0 | 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 Connection flange | JB79-59、GB9113、HG20592-97、ANSI B16.5 | ||
檢驗試驗 Test and inspection | GB9/T9092-99、API598 |
其余制造規范均按本廠標準
四通球閥 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 polyphenyl | PTFE、對位聚苯 PTFE、Counterpoint polyphenyl |
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 |
四通球閥 法蘭連接四通球閥
四通球閥 主要外型與連接尺寸表
公稱壓力或壓力級 Nominal pressure | 主要尺寸 Main dimension | 公稱通徑DN(mm/in)Nominal diameter | |||||||||||
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〞 | 1520/6〞 | 200/8〞 | ||
PN1.6 MPa | L | 150 | 150 | 180 | 200 | 220 | 240 | 260 | 280 | 320 | 380 | 440 | 550 |
PN2.5 MPa | L1 | 75 | 75 | 90 | 100 | 110 | 120 | 130 | 140 | 160 | 190 | 220 | 275 |
PN4.0 MPa | H | 90 | 90 | 102 | 115 | 135 | 140 | 155 | 185 | 210 | 275 | 305 | 335 |
CLASS 150 | W | 140 | 140 | 155 | 250 | 250 | 350 | 350 | 420 | 700 | 1000 | 1300 | 1800 |