A44Y、A48Y蒸汽鍋爐安全閥適用于工作溫度≤540℃的蒸汽、空氣等介質的設備或管路上。作為超壓保護裝置。是一種由進口靜壓開啟的自動泄壓防護裝置，它是壓力容器最為重要的安全附件之一。
| 產品名稱： | 蒸汽鍋爐安全閥 | 產品型號： | A44Y、A48Y |
| 公稱通徑： | DN15～DN400 | 結構形式： | 彈簧式 |
| 公稱壓力： | 1.6MPa～16.0MPa | 連接方式： | 法蘭、焊接、螺紋 |
| 適用溫度： | -29ºC～+540ºC | 驅動方式： | 彈簧自動起跳 |
| 閥體材質： | 鑄鋼、不銹鋼 | 制造標準： | 國標GB、德國DIN、美國API、ANSI |
| 適用介質： | 水、蒸汽、空氣、氣體等 | 生產廠家： | 上海凱利科閥門有限公司 |
| NO | 零件名稱 | 材料 |
| 1 | 閥體 | WCB |
| 2 | 閥座 | ZG2Cr13 |
| 3 | 調節圈 | ZG2Cr13 |
| 4 | 閥瓣 | 2Cr13 |
| 5 | 導向套 | 2Cr13 |
| 6 | 閥蓋 | ZG230-450 |
| 7 | 彈簧 | 50CrVA |
| 8 | 閥桿 | 2Cr13 |
| 9 | 扳手 | ZG200-400 |
| 10 | 調整螺桿 | 45 |
| 11 | 保護罩 | ZG200-400 |
| 12 | 密封面材料 | "H"堆焊D507,"Y"堆焊Co基硬質合金 |
| 型號 | 公稱通徑 | do | D | K | g | g1 | b | f | f1 | Z-ød | f | L | L1 | H |
|
A48Y-16C A44Y-16C A44Y-16P A44Y-16R |
20 | 15 | 105 | 75 | 55 | 16 | 2 | 4-14 | 2 | 110 | 95 | 411 | ||
| 25 | 16 | 115 | 85 | 65 | 16 | 2 | 4-14 | 2 | 110 | 95 | 411 | |||
| 32 | 20 | 140 | 100 | 78 | 18 | 2 | 4-18 | 3 | 115 | 100 | 411 | |||
| 40 | 25 | 150 | 110 | 85 | 18 | 3 | 4-18 | 3 | 120 | 110 | 472 | |||
| 50 | 32 | 165 | 125 | 100 | 20 | 3 | 4-18 | 3 | 135 | 120 | 532 | |||
| 65 | 40 | 185 | 145 | 120 | 20 | 3 | 4-18 | 3 | 160 | 140 | 556 | |||
| 80 | 50 | 200 | 160 | 135 | 20 | 3 | 8-18 | 3 | 170 | 135 | 561 | |||
| 100 | 65 | 220 | 180 | 155 | 20 | 3 | 8-18 | 3 | 195 | 175 | 667 | |||
| 125 | 80 | 250 | 210 | 185 | 22 | 3 | 8-18 | 3 | 210 | 190 | 857 | |||
| 150 | 100 | 285 | 240 | 210 | 24 | 3 | 8-23 | 3 | 255 | 230 | 915 | |||
| 200 | 125 | 340 | 295 | 265 | 26 | 3 | 12-23 | 3 | 300 | 260 | 1073 | |||
| 250 | 150 | 405 | 355 | 320 | 30 | 3 | 12-26 | 4 | 350 | 320 | 1307 | |||
| 300 | 220 | 460 | 410 | 375 | 30 | 4 | 12-26 | 4 | 370 | 350 | 1233 | |||
| 350 | 250 | 520 | 470 | 435 | 34 | 4 | 16-26 | 4 | 500 | 450 | 1711 | |||
| 400 | 280 | 580 | 525 | 485 | 36 | 4 | 16-30 | 4 | 500 | 450 | 1780 |
| 型號 | 公稱通徑 | do | D | K | g | g1 | b | f | f1 | Z-ød | f | L | L1 | H |
|
A48Y-25 A44Y-25C A44Y-25P A44Y-25R |
20 | 15 | 105 | 75 | 55 | 16 | 2 | 4-14 | 2 | 110 | 95 | 411 | ||
| 25 | 16 | 115 | 85 | 65 | 16 | 2 | 4-14 | 2 | 110 | 95 | 411 | |||
| 32 | 20 | 140 | 100 | 78 | 18 | 2 | 4-18 | 3 | 115 | 100 | 411 | |||
| 40 | 25 | 150 | 110 | 85 | 18 | 3 | 4-18 | 3 | 120 | 110 | 472 | |||
| 50 | 32 | 165 | 125 | 100 | 20 | 3 | 4-18 | 3 | 135 | 120 | 532 | |||
| 65 | 40 | 185 | 145 | 120 | 22 | 3 | 8-18 | 3 | 160 | 140 | 556 | |||
| 80 | 50 | 200 | 160 | 135 | 22 | 3 | 8-18 | 3 | 170 | 135 | 561 | |||
| 100 | 65 | 230 | 190 | 160 | 24 | 3 | 8-23 | 3 | 195 | 175 | 667 | |||
| 125 | 80 | 270 | 220 | 188 | 28 | 3 | 8-26 | 3 | 210 | 190 | 857 | |||
| 150 | 100 | 300 | 250 | 218 | 30 | 3 | 8-26 | 3 | 255 | 230 | 915 | |||
| 200 | 125 | 360 | 310 | 278 | 34 | 3 | 12-26 | 3 | 300 | 260 | 1073 | |||
| 250 | 150 | 425 | 370 | 332 | 36 | 3 | 12-30 | 4 | 350 | 320 | 1307 | |||
| 300 | 220 | 485 | 430 | 390 | 40 | 4 | 16-30 | 4 | 370 | 350 | 1233 | |||
| 350 | 250 | 555 | 490 | 448 | 44 | 4 | 16-34 | 4 | 500 | 450 | 1711 | |||
| 400 | 280 | 620 | 550 | 505 | 48 | 4 | 16-36 | 4 | 500 | 450 | 1780 |
| 型號 | 公稱通徑 | do | D | K | g | g1 | b | f | f1 | Z-ød | f | L | L1 | H |
|
A48Y-40 A44Y-40C A44Y-40P A44Y-40R |
20 | 15 | 105 | 75 | 51 | 55 | 16 | 2 | 4 | 4-14 | 2 | 110 | 95 | 411 |
| 25 | 16 | 115 | 85 | 58 | 65 | 16 | 2 | 4 | 4-14 | 2 | 110 | 95 | 411 | |
| 32 | 20 | 140 | 100 | 66 | 78 | 18 | 2 | 4 | 4-18 | 3 | 115 | 100 | 411 | |
| 40 | 25 | 150 | 110 | 76 | 85 | 18 | 3 | 4 | 4-18 | 3 | 120 | 110 | 472 | |
| 50 | 32 | 165 | 125 | 88 | 100 | 20 | 3 | 4 | 4-18 | 3 | 135 | 120 | 532 | |
| 65 | 40 | 185 | 145 | 110 | 120 | 22 | 3 | 4 | 8-18 | 3 | 160 | 140 | 556 | |
| 80 | 50 | 200 | 160 | 121 | 135 | 22 | 3 | 4 | 8-18 | 3 | 170 | 135 | 561 | |
| 100 | 65 | 235 | 190 | 150 | 160 | 24 | 3 | 4.5 | 8-23 | 3 | 195 | 175 | 697 | |
| 125 | 80 | 270 | 220 | 176 | 188 | 28 | 3 | 4.5 | 8-26 | 3 | 210 | 190 | 857 | |
| 150 | 100 | 300 | 250 | 204 | 218 | 30 | 3 | 4.5 | 8-26 | 3 | 255 | 230 | 915 | |
| 200 | 125 | 375 | 320 | 260 | 282 | 38 | 3 | 4.5 | 12-30 | 3 | 300 | 260 | 1073 | |
| 250 | 150 | 450 | 385 | 313 | 345 | 42 | 3 | 4.5 | 12-34 | 4 | 350 | 320 | 1307 | |
| 300 | 220 | 515 | 450 | 364 | 408 | 46 | 4 | 4.5 | 16-34 | 4 | 370 | 350 | 1233 | |
| 350 | 250 | 580 | 510 | 422 | 465 | 52 | 4 | 5 | 16-36 | 4 | 500 | 450 | 1711 | |
| 400 | 280 | 660 | 585 | 474 | 535 | 58 | 4 | 5 | 16-41 | 4 | 500 | 450 | 1711 |
| 型號 | 公稱通徑 | do | D | K | g | g1 | b | f | f1 | Z-ød | f | L | L1 | H |
|
A48Y-64 A44Y-64 A44Y-64P A44Y-64R |
20 | 10 | 125 | 90 | 51 | 68 | 22 | 2 | 4 | 4-18 | 2 | 96 | 85 | 297 |
| 25 | 16 | 140 | 100 | 58 | 78 | 22 | 2 | 4 | 4-18 | 2 | 110 | 100 | 310 | |
| 32 | 20 | 155 | 110 | 66 | 82 | 24 | 2 | 4 | 4-23 | 3 | 130 | 110 | 322 | |
| 40 | 25 | 170 | 125 | 76 | 95 | 24 | 3 | 4 | 4-23 | 3 | 135 | 120 | 352 | |
| 50 | 32 | 180 | 135 | 88 | 105 | 26 | 3 | 4 | 4-23 | 3 | 155 | 135 | 425 | |
| 65 | 40 | 205 | 160 | 110 | 130 | 28 | 3 | 4 | 8-23 | 3 | 175 | 160 | 570 | |
| 80 | 50 | 215 | 170 | 121 | 140 | 30 | 3 | 4 | 8-23 | 3 | 175 | 160 | 560 | |
| 100 | 65 | 250 | 200 | 150 | 168 | 32 | 3 | 4.5 | 8-26 | 3 | 195 | 195 | 690 | |
| 150 | 100 | 345 | 280 | 204 | 240 | 38 | 3 | 4.5 | 8-34 | 3 | 280 | 265 | 935 |
| 型號 | 公稱通徑 | do | D | K | g | g1 | b | f | f1 | Z-ød | f | L | L1 | H |
|
A48Y-100 A44Y-100C A44Y-100P A44Y-100R |
20 | 10 | 125 | 90 | 51 | 68 | 22 | 2 | 4 | 4-18 | 3 | 96 | 85 | 297 |
| 25 | 16 | 140 | 100 | 58 | 78 | 24 | 2 | 4 | 4-18 | 2 | 110 | 100 | 310 | |
| 32 | 20 | 155 | 110 | 66 | 82 | 24 | 2 | 4 | 4-23 | 2 | 130 | 110 | 322 | |
| 40 | 25 | 170 | 125 | 76 | 95 | 26 | 3 | 4 | 4-23 | 3 | 135 | 120 | 352 | |
| 50 | 32 | 195 | 145 | 88 | 112 | 28 | 3 | 4 | 4-26 | 3 | 155 | 135 | 425 | |
| 65 | 32 | 220 | 170 | 110 | 138 | 32 | 3 | 4 | 8-26 | 3 | 175 | 160 | 570 | |
| 80 | 40 | 230 | 180 | 121 | 148 | 34 | 3 | 4 | 8-26 | 3 | 175 | 160 | 560 | |
| 100 | 50 | 265 | 210 | 150 | 172 | 38 | 3 | 4.5 | 8-30 | 3 | 195 | 195 | 690 | |
| 150 | 80 | 355 | 290 | 204 | 250 | 46 | 3 | 4.5 | 12-34 | 3 | 280 | 265 | 935 |
聲明：【A44Y,A48Y蒸汽鍋爐安全閥】規格型號、結構尺寸由上海凱利科閥門有限公司提供，如何選擇適用的A44Y,A48Y蒸汽鍋爐安全閥產品，使之在工藝控制中安全可靠、經濟適用,可致電我司銷售部門及技術部門，我們將在最短的時間內為您解答！ |
