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产品特点
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.四个通道口径均布子球体赤道圆周截面上，当球体沿顺时针旋转90度时，能使相近的两个通道实现两两相通。
本阀门系列可配置多种驱动装置。
主要零件材质Main Patrs and Materials
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 |
主要性能规范 Main Performance Spcification
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 |
主要外型与连接尺寸表Form of Main Types and Connecting Dimension
| 公称压力或压力级 Nominal pressure |
主要尺寸
Main dimension |
公称通径 |
| 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 |
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