A48Y、A48H型彈簧全啟式安全閥主要用在受壓設備、鍋爐、壓力容器或管道上作為起壓保護裝置及安全保護用閥,當設備壓力升高超過允許值,A48Y、A48H型彈簧全啟式安全閥能自動開啟,繼而全量排放,以防止設備壓力繼續(xù)升高。當壓力降到規(guī)定值時,A48Y、A48H型彈簧全啟式安全閥能及時關閉以免壓力過分降低,控制壓力不超過規(guī)定值,自動防止因超壓而可能出現(xiàn)的事故,所以A48Y、A48H型彈簧全啟式安全閥又被稱為壓力容器的終保護裝置,在應用A48Y、A48H型彈簧全啟式安全閥時,必須遵循其適用規(guī)范的要求,以確保生產正常進行。
產品性能參數
A48Y帶扳手彈簧全啟式安全閥性能參數 | ||||||||
產品名稱 | 產品型號 | 公稱通徑 | 公稱壓力 | 適用溫度 | 設計制造 | 法蘭連接 | 結構長度 | 閥門檢驗與試驗 |
A48Y、A48H型彈簧全啟式安全閥 | A48Y、A48H型 | DN10~DN600、1/2″~25″ | PN1.0~32MPa 美標:150Lb~2500Lb | ≤-196℃~580℃ | GB/T12243、APl 520 | JB/T79-94、JB/T2769-92、GB/T9113-2000、ANSI Bl6.5a | JB/T2203、APl 526 | GB12242、APl 527 |
產品零部件材料
A48Y帶扳手彈簧全啟式安全閥零部件材料 | ||||
NO | 零件名稱 | A48Y-C A44Y-C 材料 | A44Y-P材料 | A44Y-R材料 |
1 | 閥體 | WCB | ZG1Cr18Ni9Ti | CF8M |
2 | 閥座 | 2Cr13 | 1Cr18Ni9Ti | 316 |
3 | 調節(jié)圈 | ZG2Cr13 | ZG1Cr18Ni9Ti | 0Cr18Ni12Mo2Ti |
4 | 反沖盤 | ZG2Cr13 | ZG1Cr18Ni9Ti | 316 |
5 | 閥瓣 | 2Cr13 | 1Cr18Ni9Ti | 316 |
6 | 導向套 | 2Cr13 | 1Cr18Ni9Ti | 0Cr18Ni12Mo2Ti |
7 | 閥蓋 | ZG230-450 | ZG230-450 | ZG230-450 |
8 | 彈簧 | 50CrVA | 50CrVA包覆氟塑料 | 50CrVA包覆氟塑料 |
9 | 閥桿 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
10 | 扳手 | ZG200-400 | ZG200-400 | ZG200-400 |
11 | 調整螺桿 | 45 | 2Cr13 | 2Cr13 |
12 | 保護罩 | ZG200-400 | ZG200-400 | 316 |
13 | 密封面材料 | 堆焊Co基硬質合金 |
產品外形及結構尺寸
A48Y帶扳手彈簧全啟式安全閥外形及結構尺寸 | ||||||||||||||||||||||
型號 | 公稱通徑 | do | D | K | g | g1 | b | f | f1 | Z-?d | DN' | D1 | K1 | g3 | g2 | b1 | f' | f1' | Z1-?d1 | L | L1 | ≈H |
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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 | 135 | 561 | |||||
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 | 1780 | |||||
A48Y-25 A44Y-25 A44Y-25P A44Y-25R | 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 | 22 | 3 | 8-18 | 80 | 200 | 160 | 135 | 20 | 3 | 8-18 | 160 | 140 | 556 | |||||
80 | 50 | 200 | 160 | 135 | 22 | 3 | 8-18 | 100 | 220 | 180 | 155 | 22 | 3 | 8-18 | 170 | 135 | 561 | |||||
100 | 65 | 230 | 190 | 160 | 24 | 3 | 8-23 | 125 | 250 | 210 | 185 | 22 | 3 | 8-18 | 195 | 175 | 667 | |||||
125 | 80 | 270 | 220 | 188 | 28 | 3 | 8-26 | 150 | 285 | 240 | 210 | 24 | 3 | 8-23 | 210 | 190 | 857 | |||||
150 | 100 | 300 | 250 | 218 | 30 | 3 | 8-26 | 175 | 310 | 270 | 240 | 26 | 3 | 8-23 | 255 | 230 | 915 | |||||
200 | 125 | 360 | 310 | 278 |
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