产品详细资料：
A42Y-C型适用于工作温度≤300℃空气、石油气、液体等介质的设备和管路上。A42Y-P型及A42Y-R型适用于工作温度≤200℃有腐蚀性的介质的设备和管路上，作为超压保护装置。
连接法兰标准按JB/T……-94系列1。≥6.4MPa按JB/T……-94系列2。
主要零部件材料
NO. | 零件名称 | A42Y-C/KA42Y-C材料 | A42Y-P/KA42Y-P材料 | A42Y-R材料 | DA42Y-P材料 | 1 | 阀座 | 2Cr13/1Cr18Ni9Ti | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti | ZG1Cr18Ni9Ti | 2 | 阀体 | WCB | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti | LCB/ZG1Cr18Ni9Ti | 3 | 调节圈 | 2Cr13/1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti | 4 | 反冲盘 | 2Cr13/1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti | 5 | 阀瓣 | 2Cr13/1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti | 6 | 导向套 | 2Cr13/1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti | 7 | 阀盖 | ZG230-450 | ZG230-450 | ZG230-450 | ZG1Cr18Ni9Ti | 8 | 弹簧 | 50CrVA | 50CrVA包覆氟塑料 | 50CrVA包覆氟塑料 | 50CrVA | 9 | 阀杆 | 2Cr13 | 1Cr18Ni9Ti/1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti/1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti | 10 | 调整螺杆 | 45 | 2Cr13 | 2Cr13 | 2Cr13 | 11 | 阀帽 | ZG200-400 | ZG200-400 | ZG200-400 | ZG230-450 | | | 密封面材料 | 堆焊Co基硬质合金 |
外形尺寸和连接尺寸
型号 | 公称通径 | do | D | K | g | g1 | b | f | f1 | Z-ød | DN'' | D1 | K1 | g3 | g2 | b1 | f'' | f1'' | Z1-ød1 | L | L1 | ≈H | A42Y-16C
A42Y-16P
A42Y-16R
KA42Y-16C DA42Y-16C(P) | 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 | 1266 | 300 | 220 | 460 | 410 | | 375 | 30 | 4 | | 12-26 | 400 | 580 | 525 | | 485 | 36 | 4 | | 16-30 | 370 | 350 | 1283 | 350 | 250 | 520 | 470 | | 435 | 34 | 4 | | 16-26 | 500 | 715 | 650 | | 608 | 44 | 4 | | 20-34 | 500 | 450 | 1520 | 400 | 280 | 580 | 525 | | 485 | 36 | 4 | | 16-30 | 500 | 715 | 650 | | 608 | 44 | 4 | | 20-34 | 500 | 450 | 1530 |
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