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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,能使相对的两个通道实现两两互通。
四通球阀系列可配置多种驱动装置
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 |
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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 | ||
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 Connection flange |
JB79-59、GB9113、HG20592-97、ANSI B16.5 | ||
检验试验 Test and inspection |
GB9/T9092-99、API598 |
其余制造规范均按本厂标准
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 polyphenyl |
PTFE、对位聚苯 PTFE、Counterpoint polyphenyl |
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 |
公称压力或压力级 Nominal pressure |
主要尺寸 Main dimension |
公称通径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 | 1 |
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