YFA48Y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 | ZG15Cr1MoV |
2 | 阀座 | 2Cr13 | 1Cr18Ni9Ti | 12Cr1MoVA |
3 | 调节阀 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni9Ti |
4 | 阀瓣 | 2Cr13 | 17-4PH | 17-4PH |
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-φd | DN | D1 | K1 | g3 | g2 | b1 | f | f1 | Zr-φd1 | L | L1 | ≈H |
YFA48Y-16C YFA48Y-16I YFA48Y-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 | | 165 | 26 | 3 | | 12-23 | 250 | 405 | 355 | | 320 | 30 | 3 | | 12-26 | 290 | 210 | 1135 |
YFA48Y-40 YFA48Y-40I YFA48Y-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 |
50 | 32 | 165 | 125 | 88 | 100 | 20 | 3 | 4 | 4-18 | 65 | 165 | 145 | | 120 | 20 | 3 | | 4-18 | 135 | 120 | 618 |
65 | 40 | 185 | 145 | 110 | 120 | 22 | 3 | 4 | 8-18 | 80 | 200 | 160 | | 135 | 20 | 3 | | 8-18 | 160 | 140 | 710 |
80 | 50 | 200 | 160 | 121 | 135 | 22 | 3 | 4 | 8-18 | 100 | 220 | 180 | | 155 | 22 | 3 | | 8-18 | 160 | 150 | 730 |
100 | 65 | 235 | 190 | 150 | 160 | 24 | 3 | 4.5 | 8-23 | 150 | 285 | 240 | | 210 | 24 | 3 | | 8-23 | 225 | 175 | 892 |
150 | 100 | 300 | 250 | 204 | 218 | 30 | 3 | 4.5 | 8-26 | 200 | 340 | 295 | | 265 | 26 | 3 | | 12-23 | 240 | 235 | 1135 |
200 | 125 | 375 | 320 | 260 | 282 | 38 | 3 | 4.5 | 12-30 | 250 | 405 | 355 | | 320 | 30 | 3 | | 12-26 | 290 | 310 | 1135 |
YFA48Y-64 YFA48SB-64 YFA48Y-64I YFA48SB-64I YFA48Y-64V YFA48SB-64V | 25 | 16 | 140 | 100 | 58 | 78 | 22 | 2 | 4 | 4-18 | 32 | 140 | 100 | 66 | 78 | 18 | 2 | 4 | 4-18 | 110 | 100 | 429 |
32 | 20 | 155 | 110 | 66 | 82 | 24 | 2 | 4 | 4-23 | 40 | 150 | 110 | 76 | 85 | 18 | 3 | 4 | 4-18 | 130 | 110 | 421 |
40 | 25 | 170 | 125 | 76 | 92 | 24 | 3 | 4 | 4-23 | 50 | 165 | 125 | 88 | 100 | 20 | 3 | 4 | 4-18 | 135 | 120 | 540 |
50 | 32 | 180 | 135 | 88 | 105 | 26 | 3 | 4 | 4-23 | 65 | 185 | 145 | 110 | 120 | 22 | 3 | 4 | 8-18 | 160 | 130 | 618 |
50 | 32 | 180 | 135 | 88 | 105 | 26 | 3 | 4 | 4-23 | 80 | 200 | 160 | 121 | 135 | 22 | 3 | 4 | 8-18 | 160 | 145 | 710 |
65 | 40 | 205 | 160 | 110 | 130 | 28 | 3 | 4 | 8-23 | 80 | 200 | 160 | 121 | 135 | 22 | 3 | 4 | 8-18 | 175 | 160 | 710 |
80 | 50 | 215 | 170 | 121 | 140 | 30 | 3 | 4 | 8-23 | 100 | 235 | 190 | 150 | 160 | 24 | 3 | 4.5 | 8-23 | 175 | 160 | 730 |
100 | 65 | 250 | 200 | 150 | 168 | 32 | 3 | 4.5 | 8-26 | 125 | 270 | 220 | 176 | 188 | 28 | 3 | 4.5 | 8-25 | 220 | 200 | 800 |
100 | 65 | 250 | 20 | 150 | 168 | 32 | 3 | 4.5 | 8-26 | 150 | 300 | 250 | 204 | 218 | 30 | 3 | 4.5 | 8-26 | 220 | 200 | 892 |
150 | 100 | 345 | 280 | 204 | 240 | 38 | 3 | 4.5 | 8-34 | 200 | 375 | 320 | 260 | 282 | 38 | 3 | 4.5 | 12-30 | 280 | 280 | 1135 |
200 | 125 | 405 | 345 | 260 | 300 | 44 | 3 | 4.5 | 12-36 | 250 | 450 | 385 | 313 | 345 | 42 | 3 | 4.5 | 12-34 | 300 | 295 | 1135 |
YFA48Y-100 YFA48SB-100 YFA48Y-100I YFA48SB-100I YFA48Y-100V YFA48SB-100V | 25 | 16 | 140 | 100 | 58 | 78 | 24 | 2 | 4 | 4-18 | 32 | 140 | 100 | 66 | 78 | 18 | 2 | 4 | 4-18 | 110 | 100 | 429 |
32 | 20 | 155 | 110 | 66 | 82 | 24 | 2 | 4 | 4-23 | 40 | 150 | 110 | 76 | 85 | 18 | 3 | 4 | 4-18 | 130 | 110 | 421 |
40 | 25 | 170 | 125 | 76 | 95 | 26 | 3 | 4 | 4-23 | 50 | 165 | 125 | 88 | 100 | 20 | 3 | 4 | 4-18 | 135 | 120 | 540 |
50 | 32 | 195 | 145 | 88 | 112 | 28 | 3 | 4 | 4-23 | 65 | 185 | 145 | 110 | 120 | 22 | 3 | 4 | 8-18 | 160 | 130 | 618 |
50 | 32 | 195 | 145 | 88 | 112 | 28 | 3 | 4 | 4-23 | 80 | 200 | 160 | 121 | 135 | 22 | 3 | 4 | 8-18 | 160 | 145 | 710 |
65 | 32 | 220 | 170 | 110 | 138 | 32 | 3 | 4 | 8-23 | 80 | 200 | 160 | 121 | 135 | 22 | 3 | 4 | 8-18 | 175 | 160 | 710 |
80 | 40 | 230 | 180 | 121 | 148 | 34 | 3 | 4 | 8-23 | 100 | 235 | 190 | 150 | 160 | 24 | 3 | 4.5 | 8-23 | 175 | 160 | 730 |
100 | 50 | 265 | 210 | 150 | 172 | 38 | 3 | 4.5 | 8-26 | 125 | 270 | 220 | 176 | 188 | 28 | 3 | 4.5 | 8-25 | 220 | 200 | 800 |
100 | 50 | 265 | 210 | 150 | 172 | 38 | 3 | 4.5 | 8-26 | 150 | 300 | 250 | 204 | 218 | 30 | 3 | 4.5 | 8-26 | 220 | 200 | 892 |
150 | 80 | 355 | 290 | 204 | 250 | 46 | 3 | 4.5 | 8-34 | 200 | 375 | 320 | 260 | 282 | 38 | 3 | 4.5 | 12-30 | 280 | 280 | 1135 |
200 | 125 | 430 | 360 | 260 | 312 | 54 | 3 | 4.5 | 12-36 | 250 | 450 | 385 | 313 | 345 | 42 | 3 | 4.5 | 12-34 | 300 | 295 | 1135 |
YFA48SH-40 | 50 | 32 | 160 | 125 | 88 | 105 | 38 | 3 | 4 | 4-18 | 80 | 195 | 160 | / | 135 | 20 | 3 | / | 8-18 | 124 | 137 | 525 |
YA48TH-100 | 50 | 32 | 195 | 145 | 88 | 112 | 50 | 3 | 4 | 4-26 | 80 | 200 | 160 | 121 | 135 | 22 | 3 | 4.5 | 8-18 | 160 | 145 | 580 |
YFA48Sb-160 | 80 | 40 | 260 | 205 | 121 | 168 | 65 | 15 | 4 | 8-30 | 150 | 300 | 250 | 204 | 218 | 30 | 3 | 4.5 | 8-25 | 215 | 210 | 1175 |