不銹鋼法蘭截止閥主要特點： Chief Feature
1.流線型，明桿帶支架 1.Streamline outside screw and yoke
2.中法蘭螺栓連接 2.Bolted bonnet
3.活套連接閥瓣 3.Loose disc
4.升降閥桿與手輪 4.Rising stem and hａnd wheel
5.支架與閥蓋一體式 5.Yoke integral with bonnet
6.傘齒輪的操作選配 6.Avail able with gear operator
7.標準法蘭連接 7.Flanged ends
國標法蘭截止閥產品規范 Product Specification
不銹鋼法蘭截止閥
產品規范 Product Specification | 設計規范 Design Spec | 結構長度 Face to Face | 連接法蘭 Flanged End | 試驗與檢驗 Test &Check | 壓力-溫度Pressure-Temp | 產品標識Marking | 供貨規范 Supply |
GB/T 12235 | GB/T 12221 | JB/T 79 | JB/T 9092 | GB/T 9131 | GB/T 12220 | JB/T 7928 |
國標法蘭截止閥主要零部件材料 Main Part Material
零件名稱 | 零部件材料Part Material | Part Name |
閥體/閥蓋 | WCB | ZGCr5Mo | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti | Body/Bonnet |
閥瓣 | WCB | 25Cr2MoV | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | Disk |
閥桿 | 2Cr13 | 25Cr2MoV | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | Stem |
填料 | 柔性石墨/ Flexible Graphite | 聚四氟乙烯/PTFE | Packing |
墊片 | 18-8柔性石墨/18-8Flexible Graphite | Gasket |
螺栓 | 35/35CrMo | 25Cr2MoV | 1Cr18Ni9Ti | 1Cr18Ni9 | Bolt |
適用溫度 | -29~425℃ | -29~425℃ | -40~200℃ | -40~200℃ | Suitable Temp |
適用介質 | 水，油品，蒸汽 Water，Oil，Steam | 蒸汽，油品 Steam，Oil | 硝酸類 Nitric Acid | 醋酸類 Acetic Acid | Suitable Medium |
主要外形和連接尺寸Main External And Connection Dimension 單位Unit：mm
型號 | 公稱通徑 | 尺寸 (mm) |
J41W-1.6MPa | L | D | D1 | D2 | b-f | z-φd | H | D0 |
15 | 130 | 95 | 65 | 45 | 14-2 | 4-14 | 195 | 100 |
20 | 150 | 105 | 75 | 55 | 14-2 | 4-14 | 215 | 120 |
25 | 160 | 115 | 85 | 65 | 14-2 | 4-14 | 240 | 140 |
32 | 180 | 135 | 100 | 78 | 16-2 | 4-18 | 250 | 160 |
40 | 200 | 145 | 110 | 85 | 16-3 | 4-18 | 285 | 200 |
50 | 230 | 160 | 125 | 100 | 16-3 | 4-18 | 300 | 220 |
65 | 290 | 180 | 145 | 120 | 18-3 | 4-18 | 345 | 240 |
80 | 310 | 195 | 160 | 135 | 20-3 | 8-18 | 350 | 280 |
100 | 350 | 215 | 180 | 155 | 20-3 | 8-18 | 410 | 320 |
125 | 400 | 245 | 210 | 185 | 22-3 | 8-18 | 470 | 350 |
150 | 480 | 280 | 240 | 210 | 24-3 | 8-23 | 495 | 400 |
200 | 600 | 335 | 295 | 265 | 26-3 | 12-23 | 580 | 450 |
250 | 650 | 405 | 355 | 320 | 30-3 | 12-25 | 680 | 550 |
300 | 750 | 460 | 410 | 375 | 30-3 | 12-25 | 850 | 600 |
主要連接尺寸
型號 | 公稱通徑 | 尺寸 (mm) |
L | D | D1 | D2 | b-f | z-φd | H | D0 |
J41W-2.5MPa | 15 | 130 | 95 | 65 | 45 | 16-2 | 4-14 | 195 | 100 |
20 | 150 | 105 | 75 | 55 | 16-2 | 4-14 | 215 | 120 |
25 | 160 | 115 | 85 | 65 | 16-2 | 4-14 | 240 | 140 |
32 | 180 | 135 | 100 | 78 | 18-2 | 4-18 | 250 | 160 |
40 | 200 | 145 | 110 | 85 | 18-3 | 4-18 | 285 | 200 |
50 | 230 | 160 | 125 | 100 | 20-3 | 4-18 | 300 | 220 |
65 | 290 | 180 | 145 | 120 | 22-3 | 8-18 | 345 | 240 |
80 | 310 | 195 | 160 | 135 | 22-3 | 8-18 | 350 | 280 |
100 | 350 | 230 | 190 | 160 | 24-3 | 8-23 | 410 | 320 |
125 | 400 | 270 | 220 | 188 | 28-3 | 8-25 | 470 | 350 |
150 | 480 | 300 | 250 | 218 | 30-3 | 8-25 | 495 | 400 |
200 | 600 | 360 | 310 | 278 | 34-3 | 12-25 | 600 | 450 |
250 | 650 | 425 | 370 | 335 | 36-3 | 12-30 | 680 | 550 |
300 | 750 | 485 | 430 | 390 | 40-4 | 16-30 | 850 | 600 |
主要連接尺寸
型號 | 公稱通徑 | 尺寸 (mm) |
L | D | D1 | D2 | D6 | b-f | z-φd | H |
J41W-4.0MPa | 15 | 130 | 95 | 65 | 45 | 40 | 16-2 | 4-14 | 195 |
20 | 150 | 105 | 75 | 55 | 51 | 16-2 | 4-14 | 215 |
25 | 160 | 115 | 85 | 65 | 58 | 16-2 | 4-14 | 240 |
32 | 180 | 135 | 100 | 78 | 66 | 18-2 | 4-18 | 250 |
40 | 200 | 145 | 110 | 85 | 76 | 18-3 | 4-18 | 285 |
50 | 230 | 160 | 125 | 100 | 88 | 20-3 | 4-18 | 300 |
65 | 290 | 180 | 145 | 120 | 110 | 22-3 | 8-18 | 345 |
80 | 310 | 195 | 160 | 135 | 121 | 22-3 | 8-18 | 350 |
100 | 350 | 230 | 190 | 160 | 150 | 24-3 | 8-23 | 410 |
125 | 400 | 270 | 220 | 188 | 176 | 28-3 | 8-25 | 470 |
150 | 480 | 300 | 250 | 218 | 204 | 30-3 | 8-25 | 495 |
200 | 600 | 375 | 320 | 282 | 260 | 38-3 | 12-30 | 600 |
J41H-6.4MPa | 15 | 170 | 105 | 75 | 55 | 41 | 18-2 | 4-14 | 230 |
20 | 190 | 125 | 90 | 68 | 51 | 20-2 | 4-18 | 250 |
25 | 210 | 135 | 100 | 78 | 58 | 22-2 | 4-18 | 260 |
32 | 230 | 150 | 110 | 82 | 66 | 24-2 | 4-23 | 300 |
40 | 260 | 165 | 125 | 95 | 76 | 24-3 | 4-23 | 330 |
50 | 300 | 175 | 135 | 105 | 88 | 26-3 | 4-23 | 380 |
65 | 340 | 200 | 160 | 130 | 110 | 28-3 | 8-23 | 400 |
80 | 380 | 210 | 170 | 140 | 121 | 30-3 | 8-23 | 430 |
100 | 430 | 250 | 200 | 168 | 150 | 32-3 | 8-25 | 500 |
125 | 500 | 295 | 240 | 202 | 176 | 36-3 | 8-30 | 600 |
150 | 550 | 340 | 280 | 240 | 204 | 38-3 | 8-34 | 680 |
200 | 650 | 405 | 345 | 300 | 260 | 44-3 | 12-34 | 800 |
