一、产品概述：
液化石油气安全阀 安全回流阀（AH42F、A42F 液化气安全阀、石油安全阀、回流安全阀、铸钢弹簧式安全阀、不锈钢液化石油气安全阀、碳钢弹簧式安全回流阀）：本阀适用于工作温度在-40~80℃的液化石油气的液相出口管上，当进出口压差大于0.5MPa时液化石油气能自动回流入罐。
二、主要零部件材料：
序号 | 零件名称 | 材料 |
1 | 阀座 | 2Cr13 |
2 | 阀体 | WCB |
3 | 调节圈 | 2Cr13 |
4 | 反 冲 盘 | 2Cr13 |
5 | 阀瓣 | 2Cr13+PTFE |
6 | 导向套 | 2Cr13 |
7 | 阀盖 | ZG230-450 |
8 | 弹簧 | 50CrVA |
9 | 阀杆 | 2Cr13 |
10 | 调整螺杆 | 45 |
11 | 阀帽 | ZG200-400 |
三、主要外形连接尺寸mm：
型号 | DN | do | D | K | g | g1 | b | f | f1 | Z- d | DN' | D1 | k1 | g2 | b1 | f' | Z1-d1 | L | L1 | H |
AH42F-16C A42F-16C | 20 | 15 | 105 | 75 | | 55 | 16 | 2 | | 4-14 | 25 | 115 | 85 | 65 | 16 | 2 | 4-14 | 110 | 95 | 378 |
25 | 16 | 115 | 85 | | 65 | 16 | 2 | | 4-14 | 32 | 140 | 100 | 78 | 18 | 2 | 4-18 | 110 | 95 | 378 |
32 | 20 | 140 | 100 | | 78 | 18 | 2 | | 4-18 | 40 | 150 | 110 | 85 | 18 | 3 | 4-18 | 115 | 100 | 378 |
40 | 25 | 150 | 110 | | 85 | 18 | 3 | | 4-18 | 50 | 165 | 125 | 100 | 20 | 3 | 4-18 | 120 | 110 | 406 |
50 | 32 | 165 | 125 | | 100 | 20 | 3 | | 4-18 | 65 | 185 | 145 | 120 | 20 | 3 | 4-18 | 135 | 120 | 450 |
65 | 40 | 185 | 145 | | 120 | 20 | 3 | | 4-18 | 80 | 200 | 160 | 135 | 20 | 3 | 8-18 | 160 | 140 | 520 |
80 | 50 | 200 | 160 | | 135 | 20 | 3 | | 8-18 | 100 | 220 | 180 | 155 | 22 | 3 | 8-18 | 170 | 135 | 525 |
100 | 65 | 220 | 180 | | 155 | 22 | 3 | | 8-18 | 125 | 250 | 210 | 185 | 22 | 3 | 8-18 | 195 | 175 | 690 |
125 | 80 | 250 | 210 | | 185 | 22 | 3 | | 8-18 | 150 | 285 | 240 | 210 | 24 | 3 | 8-23 | 210 | 190 | 780 |
150 | 100 | 285 | 240 | | 210 | 24 | 3 | | 8-23 | 175 | 310 | 270 | 240 | 26 | 3 | 8-23 | 255 | 230 | 838 |
200 | 125 | 340 | 295 | | 265 | 26 | 3 | | 12-23 | 250 | 405 | 355 | 320 | 30 | 3 | 12-26 | 300 | 260 | 992 |
250 | 150 | 405 | 355 | | 320 | 30 | 3 | | 12-26 | 300 | 460 | 410 | 375 | 30 | 4 | 12-26 | 350 | 320 | 1,266 |
300 | 220 | 460 | 410 | | 375 | 30 | 4 | | 12-26 | 400 | 580 | 525 | 485 | 36 | 4 | 16-30 | 370 | 350 | 1,283 |
350 | 250 | 520 | 470 | | 435 | 34 | 4 | | 16-26 | 500 | 715 | 650 | 608 | 44 | 4 | 20-34 | 500 | 450 | 1,520 |
400 | 280 | 580 | 525 | | 485 | 36 | 4 | | 16-30 | 500 | 715 | 650 | 608 | 44 | 4 | 20-34 | 500 | 450 | 1,530 |
AH42F-25 A42F-25 | 20 | 15 | 105 | 75 | | 55 | 16 | 2 | | 4-14 | 25 | 115 | 85 | 65 | 16 | 2 | 4-14 | 110 | 95 | 378 |
25 | 16 | 115 | 85 | | 65 | 16 | 2 | | 4-14 | 32 | 140 | 100 | 78 | 18 | 2 | 4-18 | 110 | 95 | 378 |
32 | 20 | 140 | 100 | | 78 | 18 | 2 | | 4-18 | 40 | 150 | 110 | 85 | 18 | 3 | 4-18 | 115 | 100 | 378 |
40 | 25 | 150 | 110 | | 85 | 18 | 3 | | 4-18 | 50 | 165 | 125 | 100 | 20 | 3 | 4-18 | 120 | 110 | 406 |
50 | 32 | 165 | 125 | | 100 | 20 | 3 | | 4-18 | 65 | 185 | 145 | 120 | 20 | 3 | 4-18 | 135 | 120 | 450 |
65 | 40 | 185 | 145 | | 120 | 22 | 3 | | 8-18 | 80 | 200 | 160 | 135 | 20 | 3 | 8-18 | 160 | 140 | 520 |
80 | 50 | 200 | 160 | | 135 | 22 | 3 | | 8-18 | 100 | 220 | 180 | 155 | 22 | 3 | 8-18 | 170 | 135 | 525 |
100 | 65 | 230 | 190 | | 160 | 24 | 3 | | 8-23 | 125 | 250 | 210 | 185 | 22 | 3 | 8-18 | 195 | 175 | 690 |
125 | 80 | 270 | 220 | | 188 | 28 | 3 | | 8-26 | 150 | 285 | 240 | 210 | 24 | 3 | 8-23 | 210 | 190 | 780 |
150 | 100 | 300 | 250 | | 218 | 30 | 3 | | 8-26 | 175 | 310 | 270 | 240 | 26 | 3 | 8-23 | 255 | 230 | 838 |
200 | 125 | 360 | 310 | | 278 | 34 | 3 | | 12-26 | 250 | 405 | 355 | 320 | 30 | 3 | 12-26 | 300 | 260 | 992 |
250 | 150 | 425 | 370 | | 332 | 36 | 3 | | 12-30 | 300 | 460 | 410 | 375 | 30 | 4 | 12-26 | 350 | 320 | 1,266 |
300 | 220 | 485 | 430 | | 390 | 40 | 4 | | 16-30 | 400 | 580 | 525 | 485 | 36 | 4 | 16-30 | 370 | 350 | 1,283 |
液化石油气安全阀 安全回流阀（AH42F、A42F 液化气安全阀、石油安全阀、回流安全阀、铸钢弹簧式安全阀、不锈钢液化石油气安全阀、碳钢弹簧式安全回流阀）生产商供应商上海炎唐工业装备有限公司，中国名牌产品，上海市知名品牌；通过ISO9001、TS等认证。致力于阀门的专业研发生产，为用户提供高品质安全阀产品。