不锈钢截止阀
国标法兰截止阀主要特点：
1、流线型，明杆带支架
2、中法兰螺栓连接
3、活套连接阀瓣
4、升降阀杆与手轮
5、支架与阀盖一体式
6、伞齿轮操作选配
7、标准法兰连接
国标法兰截止阀产品规范 Product Specification
不锈钢法兰截止阀
产品规范 Product Specification | 设计规范 Design Spec | 结构长度 Face to Face | 连接法兰 Flanged End | 试验与检验 Test &Check | 压力-温度Pressure-Temp | 产品标识Marking | 供货规范 Supply |
GB/T 12235 | GB/T 12221 | JB/T 79 | JB/T 9092 | GB/T 9131 | GB/T 12220 | JB/T 7928 |
国标法兰截止阀主要零部件材料 Main Part Material
零件名称 | 零部件材料Part Material | Part Name |
阀体/阀盖 | WCB | ZGCr5Mo | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti | Body/Bonnet |
阀瓣 | WCB | 25Cr2MoV | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | Disk |
阀杆 | 2Cr13 | 25Cr2MoV | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | Stem |
填料 | 柔性石墨/ Flexible Graphite | 聚四氟乙烯/PTFE | Packing |
垫片 | 18-8柔性石墨/18-8Flexible Graphite | Gasket |
螺栓 | 35/35CrMo | 25Cr2MoV | 1Cr18Ni9Ti | 1Cr18Ni9 | Bolt |
适用温度 | -29~425℃ | -29~425℃ | -40~200℃ | -40~200℃ | Suitable Temp |
适用介质 | 水，油品，蒸汽 Water，Oil，Steam | 蒸汽，油品 Steam，Oil | 硝酸类 Nitric Acid | 醋酸类 Acetic Acid | Suitable Medium |
主要外形和连接尺寸Main External And Connection Dimension 单位Unit：mm
型号 | 公称通径 | 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 |
主要连接尺寸
型号 | 公称通径 | 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 |
主要连接尺寸
型号 | 公称通径 | 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 |
