一、產品特點：
上明牌不銹鋼電動四通換向球閥為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，能使相鄰的兩個通道實現(xiàn)兩兩互通。
Features
Four-way direction changeable ball valve is a kind of ball valve with X-pattern vertical bore.It s feature is, the ball valve s two bores
are arranged to be X-pattern ,and its four bores are connected to each other two of adjacent bores can be connected to each other.
1.本閥門系列可配置多種驅動裝置：
This ball valve can be equipped with several types of operation device.
2.四通球閥介質流向原理：
如圖所示，“LL’’型四通球閥只需操作板手或執(zhí)行器將球體轉動90’，可同時對兩種介質的流向進行切換，即方便而迅速，實現(xiàn)一閥多用的效果。
二、主要零件材質Main Patrs and Materials：
|
零件名稱 |
材 質 Material |
|
|
GB |
ASTM |
|
|
閥體、閥蓋 |
WCB |
A216-WCB |
|
密封圈 |
PTFE、對位聚苯 |
PTFE、對位聚苯 |
|
球體 Ball |
1Cr18Ni9Ti |
SS 304 |
|
閥座、閥桿 |
2Cr13 |
A246-416 |
|
雙頭螺柱 |
35CrMoA |
A193-B7 |
三、主要性能規(guī)范 Main Performance Spcification：
|
公稱壓力 PN(MPa) |
試驗壓力 Test pressure |
|||
|
殼體 Shell |
高壓液密封 |
低壓氣密封 |
||
|
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 |
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|
適用工況 |
適用介質 |
水、油品、氣等非腐蝕介質和酸堿腐蝕介質 |
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|
適用溫度 |
-28-350℃ |
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|
應用規(guī)范 |
連接法蘭 |
JB79-59、GB9113、HG20592-97、ANSI B16.5 |
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|
檢驗試驗 |
GB9/T 9092-99、API 598 |
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|
其余制造規(guī)范均按本廠標準 |
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四、上明牌不銹鋼電動四通換向球閥主要外型與連接尺寸表Form of Main Types and Connecting Dimension：
|
公稱壓力或壓力級 Nominal pressure |
主要尺寸 |
公稱通徑 |
|||||||||||
|
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 |
|
其余的法蘭尺寸請參閱樣本 <主要外型及連接尺寸表> |
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