a42y-彈簧(huáng)全啟(qǐ)封閉(bì)式安全閥
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彈簧(huáng)全啟(qǐ)封閉式(shì)安(ān)全閥說明(míng)：a42y-c型彈簧全(quán)啟封閉(bì)式(shì)安全(quán)閥适(shì)用于工作(zuò)溫度≤300℃空(kōng)氣(qì)、石油氣、液體等(děng)介質(zhì)的設(shè)備和管路(lù)上(shàng)。a42y-p型(xíng)及a42y-r型(xíng)适用(yòng)于工作溫度≤200℃有(yǒu)腐蝕(shí)性(xìng)的(de)介質(zhì)的設備和(hé)管路(lù)上，作(zuò)為(wéi)超(chāo)壓保(bǎo)護裝置。連(lián)接法(fǎ)蘭标準(zhǔn)按jb/t……-94系列(liè)1。≥6.4mpa按jb/t……-94系列2。
彈(dàn)簧全(quán)啟封閉式安全閥主要(yào)零部件(jiàn)材料(liào)
| no. | 零(líng)件(jiàn)名稱(chēng) | a42y-c/ka42y-c材料 | a42y-p/ka42y-p材料 | a42y-r材料(liào) | da42y-p材料 |
| 1 | 閥座 | 2cr13/1cr18ni9ti | zg1cr18ni9ti | zg1cr18ni12mo2ti | zg1cr18ni9ti |
| 2 | 閥體(tǐ) | wcb | zg1cr18ni9ti | zg1cr18ni12mo2ti | lcb/zg1cr18ni9ti |
| 3 | 調節圈(quān) | 2cr13/1cr18ni9ti | 1cr18ni9ti | 1cr18ni12mo2ti | 1cr18ni9ti |
| 4 | 反沖盤(pán) | 2cr13/1cr18ni9ti | 1cr18ni9ti | 1cr18ni12mo2ti | 1cr18ni9ti |
| 5 | 閥瓣(bàn) | 2cr13/1cr18ni9ti | 1cr18ni9ti | 1cr18ni12mo2ti | 1cr18ni9ti |
| 6 | 導(dǎo)向套 | 2cr13/1cr18ni9ti | 1cr18ni9ti | 1cr18ni12mo2ti | 1cr18ni9ti |
| 7 | 閥(fá)蓋 | zg230-450 | zg230-450 | zg230-450 | zg1cr18ni9ti |
| 8 | 彈(dàn)簧 | 50crva | 50crva包覆氟塑料 | 50crva包覆(fù)氟塑(sù)料 | 50crva |
| 9 | 閥杆 | 2cr13 | 1cr18ni9ti/1cr18ni12mo2ti | 1cr18ni9ti/1cr18ni12mo2ti | 1cr18ni9ti |
| 10 | 調(diào)整螺(luó)杆 | 45 | 2cr13 | 2cr13 | 2cr13 |
| 11 | 閥(fá)帽 | zg200-400 | zg200-400 | zg200-400 | zg230-450 |
| ; | 密封面(miàn)材料 | 堆焊co基硬(yìng)質合(hé)金(jīn) | |||
| 型号 | 公稱(chēng)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 |
| a42y-16c a42y-16p a42y-16r ka42y-16c da42y-16c（p） | 20 | 15 | 105 | 75 | ; | 55 | 16 | 2 | ; | 4-14 | 25 | 115 | 85 | ; | 65 | 16 | 2 | ; | 4-14 | 110 | 95 | 378 |
| 25 | 16 | 115 | 85 | ; | 65 | 16 | 2 | ; | 4-14 | 32 | 140 | 100 | ; | 78 | 18 | 2 | ; | 4-18 | 110 | 95 | 378 | |
| 32 | 20 | 140 | 100 | ; | 78 | 18 | 2 | ; | 4-18 | 40 | 150 | 110 | ; | 85 | 18 | 3 | ; | 4-18 | 115 | 100 | 378 | |
| 40 | 25 | 150 | 110 | ; | 85 | 18 | 3 | ; | 4-18 | 50 | 165 | 125 | ; | 100 | 20 | 3 | ; | 4-18 | 120 | 110 | 406 | |
| 50 | 32 | 165 | 125 | ; | 100 | 20 | 3 | ; | 4-18 | 65 | 185 | 145 | ; | 120 | 20 | 3 | ; | 4-18 | 135 | 120 | 450 | |
| 65 | 40 | 185 | 145 | ; | 120 | 20 | 3 | ; | 4-18 | 80 | 200 | 160 | ; | 135 | 20 | 3 | ; | 8-18 | 160 | 140 | 520 | |
| 80 | 50 | 200 | 160 | ; | 135 | 20 | 3 | ; | 8-18 | 100 | 220 | 180 | ; | 155 | 22 | 3 | ; | 8-18 | 170 | 135 | 525 | |
| 100 | 65 | 220 | 180 | ; | 155 | 22 | 3 | ; | 8-18 | 125 | 250 | 210 | ; | 185 | 22 | 3 | ; | 8-18 | 195 | 175 | 690 | |
| 125 | 80 | 250 | 210 | ; | 185 | 22 | 3 | ; | 8-18 | 150 | 285 | 240 | ; | 210 | 24 | 3 | ; | 8-23 | 210 | 190 | 780 | |
| 150 | 100 | 285 | 240 | ; | 210 | 24 | 3 | ; | 8-23 | 175 | 310 | 270 | ; | 240 | 26 | 3 | ; | 8-23 | 255 | 230 | 838 | |
| 200 | 125 | 340 | 295 | ; | 265 | 26 | 3 | ; | 12-23 | 250 | 405 | 355 | ; | 320 | 30 | 3 | ; | 12-26 | 300 | 260 | 992 | |
| 250 | 150 | 405 | 355 | ; | 320 | 30 | 3 | ; | 12-26 | 300 | 460 | 410 | ; | 375 | 30 | 4 | ; | 12-26 | 350 | 320 | 1266 | |
| 300 | 220 | 460 | 410 | ; | 375 | 30 | 4 | ; | 12-26 | 400 | 580 | 525 | ; | 485 | 36 | 4 | ; | 16-30 | 370 | 350 | 1283 | |
| 350 | 250 | 520 | 470 | ; | 435 | 34 | 4 | ; | 16-26 | 500 | 715 | 650 | ; | 608 | 44 | 4 | ; | 20-34 | 500 | 450 | 1520 | |
| 400 | 280 | 580 | 525 | ; | 485 | 36 | 4 | ; | 16-30 | 500 | 715 | 650 | ; | 608 | 44 | 4 | ; | 20-34 | 500 | 450 | 1530 | |
| a42y-25c a42y-25p a42y-25r ka42y-25c da42y-25（p） | 20 | 15 | 105 | 75 | ; | 55 | 16 | 2 | ; | 4-14 | 25 | 115 | 85 | ; | 65 | 16 | 2 | ; | 4-14 | 110 | 95 | 378 |
| 25 | 16 | 115 | 85 | ; | 65 | 16 | 2 | ; | 4-14 | 32 | 140 | 100 | ; | 78 | 18 | 2 | ; | 4-18 | 110 | 95 | 378 | |
| 32 | 20 | 140 | 100 | ; | 78 | 18 | 2 | ; | 4-18 | 40 | 150 | 110 | ; | 85 | 18 | 3 | ; | 4-18 | 115 | 100 | 378 | |
| 40 | 25 | 150 | 110 | ; | 85 | 18 | 3 | ; | 4-18 | 50 | 165 | 125 | ; | 100 | 20 | 3 | ; | 4-18 | 120 | 110 | 406 | |
| 50 | 32 | 165 | 125 | ; | 100 | 20 | 3 | ; | 4-18 | 65 | 185 | 145 | ; | 120 | 20 | 3 | ; | 4-18 | 135 | 120 | 450 | |
| 65 | 40 | 185 | 145 | ; | 120 | 22 | 3 | ; | 8-18 | 80 | 200 | 160 | ; | 135 | 20 | 3 | ; | 8-18 | 160 | 140 | 520 | |
| 80 | 50 | 200 | 160 | ; | 135 | 22 | 3 | ; | 8-18 | 100 | 220 | 180 | ; | 155 | 22 | 3 | ; | 8-18 | 170 | 135 | 525 | |
| 100 | 65 | 230 | 190 | ; | 160 | 24 | 3 | ; | 8-23 | 125 | 250 | 210 | ; | 185 | 22 | 3 | ; | 8-18 | 195 | 175 | 690 | |
| 125 | 80 | 270 | 220 | ; | 188 | 28 | 3 | ; | 8-26 | 150 | 285 | 240 | ; | 210 | 24 | 3 | ; | 8-23 | 210 | 190 | 780 | |
| 150 | 100 | 300 | 250 | ; | 218 | 30 | 3 | ; | 8-26 | 175 | 310 | 270 | ; | 240 | 26 | 3 | ; | 8-23 | 255 | 230 | 838 | |
| 200 | 125 | 360 | 310 | ; | 278 | 34 | 3 | ; | 12-26 | 250 | 405 | 355 | ; | 320 | 30 | 3 | ; | 12-26 | 300 | 260 | 992 | |
| 250 | 150 | 425 | 370 | ; | 332 | 36 | 3 | ; | 12-30 | 300 | 460 | 410 | ; | 375 | 30 | 4 | ; | 12-26 | 350 | 320 | 1266 | |
| 300 | 220 | 485 | 430 | ; | 390 | 40 | 4 | ; | 16-30 | 400 | 580 | 525 | ; | 485 | 36 | 4 | ; | 16-30 | 370 | 350 | 1283 | |
| a42y-40c a42y-40p a42y-40r ka42y-40c da42y-40（p） | 20 | 15 | 105 | 75 | 51 | 55 | 16 | 2 | 4 | 4-14 | 25 | 115 | 85 | ; | 65 | 16 | 2 | ; | 4-14 | 110 | 95 | 378 |
| 25 | 16 | 115 | 85 | 58 | 65 | 16 | 2 | 4 | 4-14 | 32 | 140 | 100 | ; | 78 | 18 | 2 | ; | 4-18 | 110 | 95 | 378 | |
| 32 | 20 | 140 | 100 | 66 | 78 | 18 | 2 | 4 | 4-18 | 40 | 150 | 110 | ; | 85 | 18 | 3 | ; | 4-18 | 115 | 100 | 378 | |
| 40 | 25 | 150 | 110 | 76 | 85 | 18 | 3 | 4 | 4-18 | 50 | 165 | 125 | ; | 100 | 20 | 3 | ; | 4-18 | 120 | 110 | 406 | |
| 50 | 32 | 165 | 125 | 88 | 100 | 20 | 3 | 4 | 4-18 | 65 | 185 | 145 | ; | 120 | 20 | 3 | ; | 4-18 | 135 | 120 | 450 | |
| 65 | 40 | 185 | 145 | 110 | 120 | 22 | 3 | 4 | 8-18 | 80 | 200 | 160 | ; | 135 | 20 | 3 | ; | 8-18 | 160 | 140 | 520 | |
| 80 | 50 | 200 | 160 | 121 | 135 | 22 | 3 | 4 | 8-18 | 100 | 220 | 180 | ; | 155 | 22 | 3 | ; | 8-18 | 170 | 135 | 525 | |
| 100 | 65 | 235 | 190 | 150 | 160 | 24 | 3 | 4.5 | 8-23 | 125 | 250 | 210 | ; | 185 | 22 | 3 | ; | 8-18 | 195 | 175 | 690 | |
| 125 | 80 | 270 | 220 | 176 | 188 | 28 | 3 | 4.5 | 8-26 | 150 | 285 | 240 | ; | 210 | 24 | 3 | ; | 8-23 | 210 | 190 | 780 | |
| 150 | 100 | 300 | 250 | 204 | 218 | 30 | 3 | 4.5 | 8-26 | 175 | 310 | 270 | ; | 240 | 26 | 3 | ; | 8-23 | 255 | 230 | 838 | |
| 200 | 125 | 375 | 320 | 282 | 38 | 3 | 4.5 | 12-30 | 250 | 405 | 355 | ; | 320 | 30 | 3 | ; | 12-26 | 300 | 260 | 992 | ||
| 250 | 150 | 450 | 385 | 313 | 345 | 42 | 3 | 4.5 | 12-34 | 300 | 460 | 410 | ; | 375 | 30 | 4 | ; | 12-26 | 350 | 320 | 1266 | |
| a42y-64 a42y-64p a42y-64r da42y-64（p） | 20 | 10 | 125 | 90 | 51 | 68 | 22 | 2 | 4 | 4-18 | 25 | 115 | 85 | 58 | 65 | 16 | 2 | 4 | 4-14 | 96 | 85 | 264 |
| 25 | 16 | 140 | 100 | 58 | 78 | 22 | 2 | 4 | 4-18 | 32 | 140 | 100 | 66 | 78 | 18 | 2 | 4 | 4-18 | 110 | 100 | 277 | |
| 32 | 20 | 155 | 110 | 66 | 82 | 24 | 2 | 4 | 4-23 | 40 | 150 | 110 | 76 | 85 | 18 | 3 | 4 | 4-18 | 130 | 110 | 289 | |
| 40 | 25 | 170 | 125 | 76 | 95 | 24 | 3 | 4 | 4-23 | 50 | 165 | 125 | 88 | 100 | 20 | 3 | 4 | 4-18 | 130 | 120 | 319 | |
| 50 | 32 | 180 | 135 | 88 | 105 | 26 | 3 | 4 | 4-23 | 65 | 185 | 145 | 110 | 120 | 222 | 3 | 4 | 8-18 | 135 | 130 | 389 | |
| 65 | 40 | 205 | 160 | 110 | 130 | 28 | 3 | 4 | 8-23 | 80 | 200 | 160 | 121 | 135 | 22 | 3 | 4 | 8-18 | 175 | 160 | 493 | |
| 80 | 50 | 215 | 170 | 121 | 140 | 30 | 3 | 4 | 8-23 | 100 | 235 | 190 | 150 | 160 | 24 | 3 | 4.5 | 8-23 | 175 | 160 | 483 | |
| 100 | 65 | 250 | 200 | 150 | 168 | 32 | 3 | 4.5 | 8-26 | 125 | 270 | 220 | 176 | 188 | 28 | 3 | 4.5 | 8-25 | 195 | 195 | 613 | |
| 150 | 100 | 345 | 280 | 204 | 240 | 38 | 3 | 4.5 | 8-34 | 200 | 375 | 320 | 260 | 282 | 38 | 3 | 4.5 | 12-30 | 280 | 265 | 894 | |
| a42y-100 a42y-100p a42y-100r da42y-100（p） | 20 | 10 | 125 | 90 | 51 | 68 | 22 | 2 | 4 | 4-18 | 25 | 115 | 85 | 58 | 65 | 16 | 2 | 4 | 4-14 | 96 | 85 | 264 |
| 25 | 16 | 140 | 100 | 58 | 78 | 24 | 2 | 4 | 4-18 | 32 | 140 | 100 | 66 | 78 | 18 | 2 | 4 | 4-18 | 110 | 100 | 277 | |
| 32 | 20 | 155 | 110 | 66 | 82 | 24 | 2 | 4 | 4-23 | 40 | 150 | 110 | 76 | 85 | 18 | 3 | 4 | 4-18 | 130 | 110 | 289 | |
| 40 | 25 | 170 | 125 | 76 | 95 | 26 | 3 | 4 | 4-23 | 50 | 165 | 125 | 8 | 100 | 20 | 3 | 4 | 4-18 | 130 | 120 | 319 | |
| 50 | 32 | 195 | 145 | 88 | 112 | 28 | 3 | 4 | 4-26 | 65 | 185 | 145 | 110 | 120 | 22 | 3 | 4 | 8-18 | 135 | 130 | 389 | |
| 65 | 32 | 220 | 170 | 110 | 138 | 32 | 3 | 4 | 8-26 | 80 | 200 | 160 | 121 | 135 | 22 | 3 | 4 | 8-18 | 175 | 160 | 493 | |
| 80 | 40 | 230 | 180 | 121 | 148 | 34 | 3 | 4 | 8-26 | 100 | 235 | 190 | 150 | 160 | 24 | 3 | 4.5 | 8-23 | 175 | 160 | 483 | |
| 100 | 50 | 265 | 210 | 150 | 172 | 38 | 3 | 4.5 | 8-30 | 125 | 270 | 220 | 176 | 188 | 28 | 3 | 4.5 | 8-25 | 195 | 195 | 613 | |
| 150 | 80 | 355 | 290 | 204 | 250 | 46 | 3 | 4.5 | 12-34 | 200 | 375 | 320 | 260 | 282 | 38 | 3 | 4.5 | 12-30 | 280 | 265 | 894 |
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