气动四通球阀//www.diandongvalve.com/famen/qdqf/为四通换向球阀为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，能使相邻的两个通道实现两两互通。
气动四通球阀 性能参数
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
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
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
Connecting flange JB79-59、GB9113、HG20592-97、ANSI B16.5
检验试验
Test and inspection GB9/T 9092-99、API 598
其余制造规范均按本厂标准
Other manufacturing standard is according to the standard of our factory.
气动四通球阀 材质说明
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 polypheny1 PTFE、对位聚苯
PTFE、Counterpoint polypheny1
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