不銹鋼截止閥概述:
不銹鋼截止閥的啟閉件是塞形的閥瓣,密封面呈平面或錐面,閥瓣沿流體的中心線作直線運動。閥桿的運動形式,有升降桿式(閥桿升降,手輪不升降),也有升降旋轉桿式(手輪與閥桿一起旋轉升降,螺母設在閥體上)。截止閥只適用于全開和全關,不允許作調節和節流。
不銹鋼截止閥性能范圍:
型號  | 公稱壓力  | 試驗壓力  | 工作溫度(℃)   | 適用介質   | ||
強度(水)Mpa   | 密封(水)空氣(Mpa)   | 低壓密封(空氣)Mpa   | ||||
J41W-16P(R)   | 1.6   | 2.4   | 1.8   | 0.6   | ≤200   | NITRIC ACID   | 
硝 酸 類   | ||||||
J41W-25P(R)   | 2.5   | 3.8   | 2.8   | 0.6   | ≤200   | ACETIC ACID   | 
醋 酸 類   | ||||||
J41W-40P(R)   | 4.0   | 6.0   | 4.4   | 0.6   | ≤200   | NITRIC ACID   | 
硝 酸 類   | ||||||
J41W-64P(R)   | 6.4   | 9.6   | 7.0   | 0.6   | ≤200   | ACETIC ACID   | 
醋 酸 類   | ||||||
零件名稱  | 材 料Material   | |
Q41W-16P-25P-40R   | Q41W-16R-25P-40R   | |
閥體、閥蓋  | 鉻鎳鈦鋼  Ci Ni Ti  | 鉻鎳鉬鈦鋼  Ci Ni Mo Ti Steel  | 
閥 板  | ||
閥 桿  | ||
閥桿螺母  | 鋁鐵青銅  | |
手 輪  | 灰鑄鐵、可鑄鍛鐵  | |
不銹鋼截止閥主要連接尺寸和外形尺寸
型 號  Type  | 公稱通徑  DN  | 尺 寸(mm)   | |||||||
L   | D   | D1   | D2   | H   | b-f   | Z-Φd   | Do   | ||
J41W-16P(R)   | 15   | 130   | 95   | 65   | 45   | 170   | 16-2   | 4-14   | 120   | 
20   | 150   | 105   | 75   | 55   | 190   | 16-2   | 4-14   | 140   | |
25   | 160   | 115   | 85   | 65   | 205   | 16-2   | 4-14   | 160   | |
32   | 180   | 135   | 100   | 78   | 270   | 18-2   | 4-18   | 180   | |
40   | 200   | 145   | 110   | 85   | 310   | 18-3   | 4-18   | 200   | |
50   | 230   | 160   | 125   | 100   | 358   | 18-3   | 4-18   | 240   | |
65   | 290   | 180   | 145   | 120   | 373   | 18-3   | 4-18   | 280   | |
80   | 310   | 195   | 160   | 135   | 435   | 20-3   | 8-18   | 320   | |
100   | 350   | 215   | 180   | 155   | 500   | 20-3   | 8-18   | 360   | |
125   | 400   | 245   | 210   | 185   | 614   | 22-3   | 8-18   | 400   | |
150   | 480   | 280   | 240   | 210   | 674   | 24-3   | 8-23   | 400   | |
200   | 600   | 335   | 295   | 265   | 818   | 26-3   | 12-23   | 450   | |
250   | 730   | 405   | 355   | 320   | 969   | 30-3   | 12-25   | 550   | |
型號  Type  | 公稱通徑 DN   | 尺 寸(mm)   | |||||||
L   | D   | D1   | D2   | H   | b-f   | Z-Φd   | Do   | ||
J41W-25P(R)   | 15   | 130   | 95   | 65   | 45   | 233   | 16-2   | 4-14   | 120   | 
20   | 150   | 105   | 75   | 55   | 275   | 16-2   | 4-14   | 140   | |
25   | 160   | 115   | 85   | 65   | 285   | 16-2   | 4-14   | 160   | |
32   | 180   | 135   | 100   | 78   | 302   | 18-2   | 4-18   | 180   | |
40   | 200   | 145   | 110   | 85   | 355   | 18-3   | 4-18   | 200   | |
50   | 230   | 160   | 125   | 100   | 362   | 20-3   | 4-18   | 240   | |
65   | 290   | 180   | 145   | 120   | 400   | 22-3   | 8-18   | 280   | |
80   | 310   | 195   | 160   | 135   | 430   | 22-3   | 8-18   | 320   | |
100   | 350   | 230   | 190   | 160   | 465   | 24-3   | 8-23   | 360   | |
125   | 400   | 270   | 220   | 188   | 550   | 28-3   | 8-25   | 400   | |
150   | 480   | 300   | 250   | 218   | 700   | 30-3   | 8-25   | 400   | |
200   | 600   | 360   | 310   | 278   | 780   | 34-3   | 12-25   | 450   | |
250   | 730   | 425   | 370   | 335   | 900   | 36-3   | 12-30   | 550   | |
型號  Type  | 公稱通徑 DN   | 尺寸(mm)   | |||||||
L   | D   | D1   | D2   | H   | b-f   | Z-Φd   | Do   | ||
J41W-40P(R)   | 15   | 130   | 95   | 65   | 45   | 233   | 16-2   | 4-14   | 40   | 
20   | 150   | 105   | 75   | 55   | 275   | 16-2   | 4-14   | 51   | |
25   | 160   | 115   | 85   | 65   | 285   | 16-2   | 4-14   | 58   | |
32   | 180   | 135   | 100   | 78   | 302   | 18-2   | 4-18   | 66   | |
40   | 200   | 145   | 110   | 85   | 355   | 18-3   | 4-18   | 76   | |
50   | 230   | 160   | 125   | 100   | 370   | 20-3   | 4-18   | 88   | |
65   | 290   | 180   | 145   | 120   | 408   | 22-3   | 8-18   | 110   | |
80   | 310   | 195   | 160   | 135   | 436   | 22-3   | 8-18   | 121   | |
100   | 350   | 230   | 190   | 160   | 475   | 24-3   | 8-23   | 150   | |
125   | 400   | 270   | 220   | 188   | 558   | 28-3   | 8-25   | 178   | |
150   | 480   | 300   | 250   | 218   | 720   | 30-3   | 8-25   | 204   | |
200   | 600   | 375   | 320   | 282   | 800   | 38-3   | 12-30   | 260   | |
J41W-64P(R)   | 150   | 170   | 105   | 75   | 55   | 240   | 18-2   | 4-14   | 41   | 
20   | 190   | 125   | 90   | 68   | 280   | 20-2   | 4-18   | 51   | |
25   | 210   | 135   | 100   | 78   | 290   | 22-2   | 4-18   | 58   | |
32   | 230   | 150   | 110   | 82   | 325   | 24-2   | 4-23   | 66   | |
40   | 260   | 165   | 125   | 95   | 360   | 24-3   | 4-23   | 76   | |
50   | 300   | 175   | 135   | 105   | 410   | 26-3   | 4-23   | 88   | |
65   | 340   | 200   | 160   | 130   | 430   | 28-3   | 8-23   | 110   | |
80   | 380   | 210   | 170   | 140   | 465   | 30-3   | 8-23   | 121   | |
100   | 430   | 250   | 200   | 168   | 537   | 32-3   | 8-25   | 150   | |
125   | 500   | 295   | 240   | 202   | 630   | 36-3   | 8-30   | 176   | |
150   | 550   | 340   | 280   | 240   | 790   | 38-3   | 8-34   | 204   | |
200   | 650   | 405   | 345   | 300   | 910   | 44-3   | 12-34   | 260   | |