带扳手弹簧全启式安全阀适用范围 A48Y型适用于工作温度≤350℃的蒸汽、空气等介质的设备和管路上，A44Y适用于工作温度≤300℃的空气、石油等介质的设备和管路上作为超压保护装置，连接法兰标准按PN<6.4MPa按JB/T-94系列1标准,PN≥6.4MPa按JB/T-94系列2标准。 带扳手弹簧全启式安全阀产品型号 Type of the products | A48Y-16C | A44Y-16C | A44Y-16P | A44Y-16R | | A48Y-25 | A44Y-25 | A44Y-25P | A44Y-25R | | A48Y-40 | A44Y-40 | A44Y-40P | A44Y-40R | | A48Y-64 | A44Y-64 | A44Y-64P | A44Y-64R | | A48Y-100 | A44Y-100 | A44Y-100P | A44Y-100R |
带扳手弹簧全启式安全阀主要零部件材料 Meterial for main parts | 序号No. | 零件名称 Name of part | A48Y-C A44Y-C材料 Materials | A44Y-P 材料 Materials | A44Y- R 材料 Materials | | 1 | 阀体 Body | WCB | ZG1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | | 2 | 阀座 Nozzle | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | | 3 | 调节圈 Adjusting ring | ZG2Cr13 | ZG1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | | 4 | 反冲盘 Disc holde | ZG2Cr13 | ZG1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | | 5 | 阀瓣 Disc | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | | 6 | 导向套 Guide sleeve | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | | 7 | 阀盖 Bonnet | ZG230-450 | ZG230-450 | ZG230-450 | | 8 | 弹簧 Spring | 50CrVA | 50CrVA包覆氟塑料 Coated Teflon | 50CrVA包覆氟塑料 Coated Teflon | | 9 | 阀杆 Stem | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni9Ti | | 10 | 扳手 Lever | ZG200-400 | ZG200-400 | ZG200-400 | | 11 | 调整螺杆 Adjusting bolt | 45 | 2Cr13 | 2Cr13 | | 12 | 保护罩 Cap | ZG200-400 | ZG200-400 | 316 | | 密封面材料 Sealing surface of material | 堆焊Co基硬质合金Depositing stellite |
带扳手弹簧全启式安全阀主要连接尺寸（mm） Size of main connection | 公称通径DN Nominal Diameter | 尺寸（mm） Size | | do | D | K | g | g1 | b | f | f1 | Z-￠d | DN’ | D1 | K1 | g3 | g2 | b1 | f’ | f1’ | Z1-￠d1 | L | L1 | ≈H | | A48Y-16C A44Y-16C A44Y-16P A44Y-16R | | 20 | 15 | 105 | 75 | - | 55 | 16 | 2 | - | 4-￠14 | 25 | 115 | 85 | - | 65 | 16 | 2 | - | 4-￠14 | 110 | 95 | 411 | | 25 | 16 | 115 | 85 | - | 65 | 16 | 2 | - | 4-￠14 | 32 | 140 | 100 | - | 78 | 18 | 2 | - | 4-￠18 | 110 | 95 | 411 | | 32 | 20 | 140 | 100 | - | 78 | 18 | 2 | - | 4-￠18 | 40 | 150 | 110 | - | 85 | 18 | 3 | - | 4-￠18 | 115 | 100 | 411 | | 40 | 25 | 150 | 110 | - | 85 | 18 | 3 | - | 4-￠18 | 50 | 165 | 125 | - | 100 | 20 | 3 | - | 4-￠18 | 120 | 110 | 472 | | 50 | 32 | 165 | 125 | - | 100 | 20 | 3 | - | 4-￠18 | 65 | 185 | 145 | - | 120 | 20 | 3 | - | 4-￠18 | 135 | 120 | 532 | | 65 | 40 | 185 | 145 | - | 120 | 20 | 3 | - | 4-￠18 | 80 | 200 | 160 | - | 135 | 20 | 3 | - | 8-￠18 | 160 | 140 | 556 | | 80 | 50 | 200 | 160 | - | 135 | 20 | 3 | - | 8-￠18 | 100 | 220 | 180 | - | 155 | 22 | 3 | - | 8-￠18 | 170 | 155 | 661 | | 100 | 65 | 220 | 180 | - | 155 | 20 | 3 | - | 8-￠18 | 125 | 250 | 210 | - | 185 | 22 | 3 | - | 8-￠18 | 195 | 175 | 667 | | 125 | 80 | 250 | 210 | - | 185 | 22 | 3 | - | 8-￠18 | 150 | 285 | 240 | - | 210 | 24 | 3 | - | 8-￠23 | 210 | 190 | 857 | | 150 | 100 | 285 | 240 | - | 210 | 24 | 3 | - | 8-￠23 | 175 | 310 | 270 | - | 240 | 26 | 3 | - | 8-￠23 | 255 | 230 | 915 | | 200 | 125 | 340 | 295 | - | 265 | 26 | 3 | - | 12-￠23 | 250 | 405 | 355 | - | 320 | 30 | 3 | - | 12-￠26 | 300 | 260 | 1073 | | 250 | 150 | 405 | 355 | - | 320 | 30 | 3 | - | 12-￠26 | 300 | 460 | 410 | - | 375 | 30 | 4 | - | 12-￠26 | 350 | 320 | 1307 | | 300 | 220 | 460 | 410 | - | 375 | 30 | 4 | - | 12-￠26 | 400 | 580 | 525 | - | 485 | 36 | 4 | - | 16-￠30 | 370 | 350 | 1233 | | 350 | 250 | 520 | 470 | - | 435 | 34 | 4 | - | 16-￠26 | 500 | 715 | 650 | - | 608 | 44 | 4 | - | 20-￠34 | 500 | 450 | 1711 | | 400 | 280 | 580 | 525 | - | 485 | 36 | 4 | - | 16-￠30 | 500 | 715 | 650 | - | 608 | 44 | 4 | - | 20-￠34 | 500 | 450 |
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