| “上明”牌SFA48Y-16C高温高压安全阀适用于工作温度“C型”≤425℃；“I型”≤500℃；“V型”≤500℃；的蒸汽等介质设备或管路上，作为超压保护装置。连接法兰标准按JB/T……94系列1、系列2。 主要零部件材料 | NO. | 零件名称 | C型材料 | I型材料 | V型材料 | | 1 | 阀体 | WCB | ZG1Cr5Mo | ZG15Cr1Mo1V | | 2 | 阀座 | 2Cr13 | 1Cr18Ni9Ti | 12Cr1MoVA | | 3 | 调节圈 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni9Ti | | 4 | 阀瓣 | 2Cr13 | 17-4PH | 17-7PH | | 5 | 导向套 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni9Ti | | 6 | 散热器 | ZG230-450 | ZG230-450 | ZG230-450 | | 7 | 阀盖 | ZG230-450 | ZG230-450 | ZG230-450 | | 8 | 弹簧 | 50CrVA | 50CrVA | 50CrVA | ■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 | | SFA48Y-16C
SFA48Y-16I
SFA48Y-16V | 40 | 25 | 150 | 110 | | 85 | 18 | 3 | | 4-18 | 50 | 165 | 125 | | 100 | 20 | 3 | | 4-18 | 120 | 115 | 540 | | 50 | 32 | 165 | 125 | | 100 | 20 | 3 | | 4-18 | 65 | 185 | 145 | | 120 | 20 | 3 | | 4-18 | 135 | 120 | 618 | | 65 | 40 | 185 | 145 | | 120 | 20 | 3 | | 4-18 | 80 | 200 | 160 | | 135 | 20 | 3 | | 8-18 | 160 | 140 | 710 | | 80 | 50 | 200 | 160 | | 135 | 20 | 3 | | 8-18 | 100 | 220 | 180 | | 155 | 22 | 3 | | 8-18 | 160 | 150 | 730 | | 100 | 65 | 220 | 180 | | 155 | 20 | 3 | | 8-18 | 150 | 285 | 240 | | 210 | 24 | 3 | | 8-23 | 225 | 175 | 892 | | 150 | 100 | 285 | 240 | | 210 | 24 | 3 | | 8-23 | 200 | 340 | 295 | | 265 | 26 | 3 | | 12-23 | 240 | 235 | 1135 | | 200 | 125 | 340 | 295 | | 265 | 26 | 3 | | 12-23 | 250 | 405 | 355 | | 320 | 30 | 3 | | 12-26 | 290 | 210 | 1135 | | SFA48Y-40
SFA48Y-40I
SFA48Y-40V | 25 | 16 | 115 | 85 | 58 | 65 | 16 | 2 | 4 | 4-14 | 32 | 140 | 100 | | 78 | 18 | 2 | | 4-18 | 110 | 95 | 429 | | 32 | 20 | 140 | 100 | 66 | 78 | 18 | 2 | 4 | 4-18 | 40 | 150 | 110 | | 85 | 18 | 3 | | 4-18 | 115 | 100 | 421 | | 40 | 25 | 150 | 110 | 76 | 85 | 18 | 3 | 4 | 4-18 | 50 | 165 | 125 | | 100 | 20 | 3 | | 4-18 | 120 | 115 | 540 | |
