A48Y型帶扳手彈簧全啟式安全閥
一、簡介
A48Y型帶扳手彈簧全啟式安全閥適用于工作溫度≤350℃的蒸汽、空氣等介質(zhì)的設(shè)備和管路上。A44Y適用于工作溫度≤300℃的空氣、石油等介質(zhì)的設(shè)備或管路上,作為超壓保護裝置。
連接法蘭標(biāo)準(zhǔn)PN<6.4MPa按JB/T-94系列1。PN≥6.4MPa按JB/T-94系列2標(biāo)準(zhǔn)
二、零件材料
閥體 | WCB | ZG1Cr18Ni9Ti | CF8M | ||
閥座 | 2Cr13 | 1Cr18Ni9Ti | 316 | ||
調(diào)節(jié)圈 | ZG2Cr13 | ZG1Cr18Ni9Ti | 0Cr18Ni12Mo2Ti | ||
反沖盤 | ZG2Cr13 | ZG1Cr18Ni9Ti | 316 | ||
閥瓣 | 2Cr13 | 1Cr18Ni9Ti | 316 | ||
導(dǎo)向套 | 2Cr13 | 1Cr18Ni9Ti | 0Cr18Ni12Mo2Ti | ||
閥蓋 | ZG230-450 | ZG230-450 | ZG230-450 | ||
彈簧 | 50CrVA | 50CrVA包覆氟塑料 | 50CrVA包覆氟塑料 | ||
閥桿 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | ||
扳手 | ZG200-400 | ZG200-400 | ZG200-400 | ||
調(diào)整螺桿 | 45 | 2Cr13 | 2Cr13 | ||
保護罩 | ZG200-400 | ZG200-400 | 316 | ||
密封面材料 | 堆焊Co基硬質(zhì)合金 |
三、結(jié)構(gòu)圖
彈簧全啟式安全閥結(jié)構(gòu)圖
四、連接尺寸
型號 | 公稱通徑 | do | D | K | g | g1 | b | f | f1 | Z-?d |
A48Y-16C | 20 | 15 | 105 | 75 | 55 | 16 | 2 | 4-14 | ||
25 | 16 | 115 | 85 | 65 | 16 | 2 | 4-14 | |||
32 | 20 | 140 | 100 | 78 | 18 | 2 | 4-18 | |||
40 | 25 | 150 | 110 | 85 | 18 | 3 | 4-18 | |||
50 | 32 | 165 | 125 | 100 | 20 | 3 | 4-18 | |||
65 | 40 | 185 | 145 | 120 | 20 | 3 | 4-18 | |||
80 | 50 | 200 | 160 | 135 | 20 | 3 | 8-18 | |||
100 | 65 | 220 | 180 | 155 | 20 | 3 | 8-18 | |||
125 | 80 | 250 | 210 | 185 | 22 | 3 | 8-18 | |||
150 | 100 | 285 | 240 | 210 | 24 | 3 | 8-23 | |||
200 | 125 | 340 | 295 | 265 | 26 | 3 | 12-23 | |||
250 | 150 | 405 | 355 | 320 | 30 | 3 | 12-26 | |||
300 | 220 | 460 | 410 | 375 | 30 | 4 | 12-26 | |||
350 | 250 | 520 | 470 | 435 | 34 | 4 | 16-26 | |||
400 | 280 | 580 | 525 | 485 | 36 | 4 | 16-30 | |||
A48Y-25 | 20 | 15 | 105 | 75 | 55 | 16 | 2 | 4-14 | ||
25 | 16 | 115 | 85 | 65 | 16 | 2 | 4-14 | |||
32 | 20 | 140 | 100 | 78 | 18 | 2 | 4-18 | |||
40 | 25 | 150 | 110 | 85 | 18 | 3 | 4-18 | |||
50 | 32 | 165 | 125 | 100 | 20 | 3 | 4-18 | |||
65 | 40 | 185 | 145 | 120 | 22 | 3 | 8-18 | |||
80 | 50 | 200 | 160 | 135 | 22 | 3 | 8-18 | |||
100 | 65 | 230 | 190 | 160 | 24 | 3 | 8-23 | |||
125 | 80 | 270 | 220 | 188 | 28 | 3 | 8-26 | |||
150 | 100 | 300 | 250 | 218 | 30 | 3 | 8-26 | |||
200 | 125 | 360 | 310 | 278 | 34 | 3 | 12-26 | |||
250 | 150 | 425 | 370 | 332 | 36 | 3 | 12-30 | |||
300 | 220 | 485 | 430 | 390 | 40 | 4 | 16-30 | |||
350 | 250 | 555 | 490 | 448 | 44 | 4 | 16-34 | |||
400 | 280 | 620 | 550 | 505 | 48 | 4 | 16-36 | |||
A48Y-40 | 20 | 15 | 105 | 75 | 51 | 55 | 16 | 2 | 4 | 4-14 |
25 | 16 | 115 | 85 | 58 | 65 | 16 | 2 | 4 | 4-14 | |
32 | 20 | 140 | 100 | 66 | 78 | 18 | 2 | 4 | 4-18 | |
40 | 25 | 150 | 110 | 76 | 85 | 18 | 3 | 4 | 4-18 | |
50 | 32 | 165 | 125 | 88 | 100 | 20 | 3 | 4 | 4-18 | |
65 | 40 | 185 | 145 | 110 | 120 | 22 | , 3 | 4 | 8-18 | |
80 | 50 | 200 | 160 | 121 | 135 | 22 | 3 | 4 | 8-18 | |
100 | 65 | 235 | 190 | 150 | 160 | 24 | 3 | 4.5 | 8-23 | |
125 | 80 | 270 | 220 | 176 | 188 | 28 | 3 | 4.5 | 8-26 | |
150 | 100 | 300 | 250 | 204 | 218 | 30 | 3 | 4.5 | 8-26 | |
200 | 125 | 375 | 320 | 260 | 282 | 38 | 3 | 4.5 | 12-30 | |
250 | 150 | 450 | 385 | 313 | 345 | 42 | 3 | 4.5 | 12-34 | |
300 | 220 | 515 | 450 | 364 | 408 | 46 | 4 | 4.5 | 16-34 | |
350 | 250 | 580 | 510 | 422 | 465 | 52 | 4 | 5 | 16-36 | |
400 | 280 | 660 | 585 | 474 | 535 | 58 | 4 | 5 | 16-41 | |
A48Y-64 | 20 | 10 | 125 | 90 | 51 | 68 | 22 | 2 | 4 | 4-18 |
25 | 16 | 140 | 100 | 58 | 78 | 22 | 2 | 4 | 4-18 | |
32 | 20 | 155 | 110 | 66 | 82 | 24 | 2 | 4 | 4-23 | |
40 | 25 | 170 | 125 | 76 | 95 | 24 | 3 | 4 | 4-23 | |
50 | 32 | 180 | 135 | 88 | 105 | 26 | 3 | 4 | 4-23 | |
65 | 40 | 160 | 110 | 130 | 28 | 3 | 4 | 8-23 | 80 | |
80 | 50 | 215 | 170 | 121 | 140 | 30 | 3 | 4 | 8-23 | |
100 | 65 | 250 | 200 | 150 | 168 | 32 | 3 | 4.5 | 8-26 | |
150 | 100 | 345 | 280 | 204 | 240 | 38 | 3 | 4.5 | 8-34 | |
A48Y-100 | 20 | 10 | 125 | 90 | 51 | 68 | 22 | 2 | 4 | 4-18 |
25 | 16 | 140 | 100 | 58 | 78 | 24 | 2 | 4 | 4-18 | |
32 | 20 | 155 | 110 | 66 | 82 | 24 | 2 | 4 | 4-23 | |
40 | 25 | 170 | 125 | 76 | 95 | 26 | 3 | 4 | 4-23 | |
50 | 32 | 195 | 145 | 88 | 112 | 28 | 3 | 4 | 4-26 | |
65 | 32 | 220 | 170 | 110 | 138 | 32 | 3 | 4 | 8-26 | |
80 | 40 | 230 | 180 | 121 | 148 | 34 | 3 | 4 | 8-26 | |
100 | 50 | 265 | 210 | 150 | 172 | 38 | 3 | 4.5 | 8-30 | |
150 | 80 | 355 | 290 | 204 | 250 | 46 | 3 | 4.5 | 12-34 |