一、氣動三通球閥結構特點和應用范圍
L(T)形氣動球閥是由氣動執行機構和三通閥組成,是一種旋轉類切斷調節閥門,具有關閉嚴密,結構緊湊,重量輕,維修方便等優點。廣泛用于氣體、液體、蒸汽、油品等腐蝕性介質的管道自動化控制。 ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

公稱壓力  或壓力級   | 公稱通徑   | 尺寸(mm)   | |||||||
mm   | in   | L   | L1   | D   | D1   | D2   | b   | z-Φd   | |
15   | 130   | 65   | 95   | 65   | 45   | 14   | 4-14   | ||
20   | 150   | 75   | 105   | 75   | 55/58   | 14/16   | 4-14   | ||
25   | 160   | 80   | 115   | 85   | 65/68   | 14/16   | 4-14   | ||
32   | 180   | 90   | 135/140   | 100   | 78   | 16   | 4-18   | ||
PN1.6MPa   | 40   | 200   | 100   | 145/150   | 110   | 85/88   | 16   | 4-18   | |
50   | 230   | 115   | 160/165   | 125   | 100/102   | 16/18   | 4-18   | ||
65   | 290   | 145   | 180/185   | 145   | 120/122   | 18   | 4-18   | ||
80   | 310   | 155   | 195/200   | 160   | 135/138   | 20   | 4-18   | ||
100   | 350   | 175   | 215/220   | 180   | 155/158   | 20   | 4-18   | ||
125   | 400   | 200   | 245/250   | 210   | 185/188   | 22   | 4-18   | ||
150   | 480   | 240   | 280/285   | 240   | 210/212   | 24/22   | 8-23/8-22   | ||
PN2.5MPa   | 15   | 130   | 65   | 95   | 65   | 45   | 16   | 4-14   | |
20   | 150   | 75   | 105   | 75   | 55/58   | 16   | 4-14   | ||
25   | 160   | 80   | 115   | 85   | 65/68   | 16   | 4-14   | ||
32   | 180   | 90   | 135/140   | 100   | 78   | 18   | 4-18   | ||
PN2.5MPa   | 40   | 200   | 100   | 145/150   | 110   | 85/88   | 18   | 4-18   | |
50   | 230   | 115   | 160/165   | 125   | 100/102   | 20   | 4-18   | ||
65   | 290   | 145   | 180/185   | 145   | 120/122   | 22   | 8-18   | ||
80   | 310   | 155   | 195/200   | 160   | 135/138   | 22/24   | 8-18   | ||
100   | 350   | 175   | 230/235   | 190   | 160/162   | 24   | 8-23/8-22   | ||
125   | 400   | 200   | 270   | 220   | 188   | 28/26   | 8-25/8-26   | ||
150   | 480   | 240   | 300   | 250   | 218   | 30/28   | 8-25/8-26   | ||
PN4.0MPa   | 15   | 130   | 65   | 95   | 65   | 45   | 16   | 4-14   | |
20   | 150   | 75   | 105   | 75   | 55/58   | 16   | 4-14   | ||
25   | 160   | 80   | 115   | 85   | 65/68   | 16   | 4-14   | ||
32   | 180   | 90   | 135/140   | 100   | 78   | 18   | 4-18   | ||
40   | 200   | 100   | 145/150   | 110   | 85/88   | 18   | 4-18   | ||
50   | 230   | 115   | 160/165   | 125   | 100/102   | 20   | 4-18   | ||
65   | 290   | 145   | 180/185   | 145   | 120/122   | 22   | 8-18   | ||
80   | 310   | 155   | 195/200   | 160   | 135/138   | 22   | 8-18   | ||
100   | 350   | 175   | 230/235   | 190   | 160/162   | 24   | 8-23/8-22   | ||
125   | 400   | 200   | 270   | 220   | 188   | 28   | 8-25/8-26   | ||
150   | 480   | 240   | 300   | 250   | 218   | 30   | 8-25/8-26   | ||
Class150  PN2.0MPa   | 15   | 1/2   | 130   | 65   | 89   | 60.5   | 35   | -   | 4-15   | 
20   | 3/4   | 150   | 75   | 98   | 70   | 43   | -   | 4-15   | |
25   | 1   | 160   | 80   | 108/110   | 79.5   | 51   | 11.5   | 4-15/4-16   | |
32   | 11/4   | 180   | 90   | 117/120   | 89   | 64   | 13.0   | 4-15/4-16   | |
40   | 11/2   | 200   | 100   | 127/130   | 98.5   | 73   | 14.5   | 4-15/4-16   | |
50   | 2   | 230   | 115   | 152/150   | 120.5   | 92   | 16.0   | 4-19/4-20   | |
65   | 21/2   | 290   | 145   | 178/180   | 139.5   | 105   | 17.5   | 4-19/4-20   | |
80   | 3   | 310   | 155   | 190   | 152.5   | 127   | 19.5   | 4-19/4-20   | |
100   | 4   | 350   | 175   | 229/230   | 190.5   | 157   | 24.0   | 8-19/4-20   | |
125   | 5   | 400   | 200   | 254/255   | 216.0   | 186   | 24.0   | 8-22   | |
150   | 6   | 480   | 240   | 279/280   | 241.5   | 216   | 25.5   | 8-22   | |
JIS10K   | 15   | 130   | 65   | 95   | 70   | 52   | 12   | 4-15   | |
20   | 150   | 75   | 100   | 75   | 58   | 14   | 4-15   | ||
25   | 160   | 80   | 125   | 90   | 70   | 14   | 4-19   | ||
32   | 180   | 90   | 135   | 100   | 80   | 16   | 4-19   | ||
40   | 200   | 100   | 140   | 105   | 85   | 16   | 4-19   | ||
50   | 230   | 115   | 155   | 120   | 100   | 16   | 4-19   | ||
65   | 290   | 145   | 175   | 140   | 120   | 18   | 4-19   | ||
80   | 310   | 155   | 185   | 150   | 130   | 18   | 8-19   | ||
100   | 350   | 175   | 210   | 175   | 155   | 18   | 8-19   | ||
125   | 400   | 200   | 250   | 210   | 185   | 20   | 8-23   | ||
150   | 480   | 240   | 280   | 240   | 215   | 22   | 8-23   | ||