液化气截止阀
液化气截止阀外形尺寸图
结构特点：
该阀门采用成形聚四氟乙烯/柔性石墨作为密封填料，由填料压盖提供初始密封，当发生磨损引起的动密封泄漏时，可用填料压盖螺母进行调整，适用于大多数高中压非腐蚀性流体输送场合。
主要设计参数
设计、制造：GB/T12235-89
法兰连接：JB/T79-94、GB9113-2000
结构长度：GB12221-89
公称通径：DN15~DN300mm
公称压力：PN1.6、2.5、4.0MP。
主要性能参数
公称压力 | 壳体试验 | 密封试验 | 上密封试验 | 适用介质 | 适宜温度 | |
J41N-16/25C | 1.6 | 2.4 | 1.76 | 1.76 | 液化气、 | -40~+80℃ |
2.5 | 3.75 | 2.75 | 2.75 | |||
J41N-40 | 4.0 | 6.0 | 4.4 | 4.4 | ||
主要零件材料
阀体、阀盖 | 阀杆、阀瓣 | 密封面 | 填料 |
WCB | 不锈钢 | 不锈钢和尼龙 | 聚四氟乙烯、丁晴橡胶 |
主要外形尺寸
公称通径DN(mm) | 主要外形尺寸和连接尺寸 (mm) | ||||||||
L | D | D1 | D2 | b | f | z-d | H | D0 | |
J41N-16C J41N-16P J41N-16R J41N-16R | |||||||||
10 | 130 | 90 | 60 | 40 | 14 | 2 | 4-14 | 198 | 120 |
15 | 130 | 95 | 65 | 45 | 14 | 2 | 4-14 | 200 | 120 |
20 | 150 | 105 | 75 | 55 | 14 | 2 | 4-14 | 243 | 140 |
25 | 160 | 115 | 85 | 65 | 14 | 2 | 4-14 | 253 | 160 |
32 | 180 | 135 | 100 | 78 | 15 | 2 | 4-18 | 280 | 180 |
40 | 200 | 145 | 110 | 85 | 16 | 3 | 4-18 | 312 | 200 |
50 | 230 | 160 | 125 | 100 | 16 | 3 | 4-18 | 321 | 240 |
65 | 290 | 180 | 145 | 120 | 18 | 3 | 4-18 | 325 | 280 |
80 | 310 | 195 | 160 | 135 | 20 | 3 | 8-18 | 355 | 280 |
100 | 350 | 215 | 180 | 155 | 20 | 3 | 8-18 | 415 | 320 |
125 | 400 | 245 | 210 | 185 | 22 | 3 | 8-18 | 460 | 360 |
150 | 480 | 280 | 240 | 210 | 24 | 3 | 8-23 | 510 | 400 |
200 | 600 | 335 | 295 | 265 | 26 | 3 | 12-23 | 710 | 400 |
250 | 650 | 405 | 355 | 320 | 30 | 3 | 12-23 | 786 | 450 |
300 | 750 | 460 | 410 | 375 | 30 | 3 | 12-23 | 925 | 500 |
公称通径 | J41N-25 J41N-25P J41N-25R J41Y-25I J941H/Y-25 J941W-25P J941W-25R | ||||||||||
主要外形尺寸和连接尺寸 | 电动装置 | ||||||||||
L | D | D1 | D2 | b | f | z-d | H手 | H电 | D0 | ||
10 | 130 | 90 | 60 | 40 | 16 | 2 | 4-14 | 198 | - | 120 | - |
15 | 130 | 95 | 65 | 45 | 16 | 2 | 4-14 | 233 | - | 120 | - |
20 | 150 | 105 | 75 | 55 | 16 | 2 | 4-14 | 275 | - | 140 | - |
25 | 160 | 115 | 85 | 65 | 16 | 2 | 4-14 | 285 | - | 160 | - |
32 | 180 | 135 | 100 | 78 | 18 | 2 | 4-18 | 302 | - | 180 | - |
40 | 200 | 145 | 110 | 85 | 18 | 3 | 4-18 | 355 | - | 200 | - |
50 | 230 | 160 | 125 | 100 | 20 | 3 | 4-18 | 362 | 645 | 240 | DZW10I |
65 | 290 | 180 | 145 | 120 | 22 | 3 | 8-18 | 425 | 690 | 280 | DZW10I |
80 | 310 | 195 | 160 | 135 | 22 | 3 | 8-18 | 469 | 715 | 280 | DZW15I |
100 | 350 | 230 | 190 | 160 | 24 | 3 | 8-23 | 470 | 770 | 320 | DZW20 |
125 | 400 | 270 | 220 | 188 | 28 | 3 | 8-25 | 558 | 780 | 360 | DZW30 |
150 | 480 | 300 | 250 | 218 | 30 | 3 | 8-25 | 611 | 875 | 400 | DZW45 |
200 | 600 | 360 | 310 | 278 | 34 | 3 | 12-25 | 721 | 967 | 400 | DZW60 |
250 | 650 | 425 | 370 | 332 | 36 | 3 | 12-30 | 786 | - | 450 | - |
300 | 750 | 485 | 430 | 390 | 40 | 4 | 12-30 | 925 | - | 500 | - |
公称通径 | J41N-25 J41N-40P J41N-40R J41N-40I J941N-40 J941N-40P J941N-40R J941Y-40I | ||||||||||||
主要外形尺寸和连接尺寸 | 电动装置 | ||||||||||||
L | D | D1 | D2 | D6 | b | f | f2 | z-d | H手 | H电 | D0 | ||
10 | 130 | 90 | 60 | 40 | 35 | 16 | 2 | 4 | 4-14 | 198 | - | 120 | - |
15 | 130 | 95 | 65 | 45 | 40 | 16 | 2 | 4 | 4-14 | 233 | - | 120 | - |
20 | 150 | 105 | 75 | 55 | 51 | 16 | 2 | 4 | 4-14 | 275 | - | 140 | - |
25 | 160 | 115 | 85 | 65 | 58 | 16 | 2 | 4 | 4-14 | 285 | - | 160 | - |
32 | 180 | 135 | 100 | 78 | 66 | 18 | 2 | 4 | 4-18 | 302 | - | 180 | - |
40 | 200 | 145 | 110 | 85 | 76 | 18 | 3 | 4 | 4-18 | 355 | - | 200 | - |
50 | 230 | 160 | 125 | 100 | 88 | 20 | 3 | 4 | 4-18 | 373 | 645 | 240 | DZW10I |
65 | 290 | 180 | 145 | 120 | 110 | 22 | 3 | 4 | 8-18 | 408 | 690 | 280 | DZW10I |
80 | 310 | 195 | 160 | 135 | 121 | 22 | 3 | 4 | 8-18 | 436 | 715 | 320 | DZW20I |
100 | 350 | 230 | 190 | 160 | 150 | 24 | 3 | 4.5 | 8-23 | 480 | 770 | 360 | DZW30I |
125 | 400 | 270 | 220 | 188 | 176 | 28 | 3 | 4.5 | 8-25 | 558 | 782 | 400 | DZW45 |
150 | 480 | 300 | 250 | 218 | 204 | 30 | 3 | 4.5 | 8-25 | 611 | 875 | 400 | DZW60 |
200 | 600 | 375 | 320 | 282 | 260 | 38 | 3 | 4.5 | 12-30 | 720 | 1160 | 400 | DZW90I |
