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A41H-彈簧微(wei)啟封閉式安全(quan)閥
文章來源:昆(kun)明彩和材料制(zhi)造有限公司 添(tiān)加時間:2025-12-13
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彈簧(huáng)微啟封閉式安(ān)全閥說明:A41H彈簧(huang)微啟封閉式安(an)全閥适用于工(gōng)作溫度≤300℃的石油(you)氣、空氣、水等介(jie)質的設備或管(guǎn)路上🏃🏻♂️。A41y-p/r型适用于(yu)工作溫度≤200℃有腐(fu)蝕性
介質的設(shè)備或管路上,作(zuo)為超壓保護裝(zhuāng)置。連接法蘭✔️标(biao)準按jb/t……94/系列。
彈簧(huang)微啟封閉式安(an)全閥結構簡述(shù)
1、彈簧微啟式安(an)全閥具有結構(gou)簡單、密封性能(neng)好、開啟壓🔱力準(zhun)确、排放能力大(da)、回座壓差小、調(diào)整方便等特點(dian)。
2、噴嘴型閥座:閥(fá)座為位伐爾噴(pēn)嘴型閥座,蒸汽(qì)流經閥座出口(kǒu)處時達到音速(sù),排放系數大,閥(fá)座密封面🈚堆焊(hàn)钴鉻鎢硬質合(he)金,耐磨抗沖蝕(shí),壽命長。
3、熱彈性(xìng)閥瓣:閥瓣設計(ji)為熱彈性結構(gou),利用其在介質(zhi)壓力下微小的(de)變形,提高密封(fēng)能力,克服安全(quan)閥在介質壓力(lì)下臨近整定⭐壓(ya)力時的前洩現(xiàn)象。閥瓣密封面(miàn)采用激光淬火(huǒ)技術,提高了硬(yìng)度、耐磨性、抗⁉️沖(chong)抗性。
4、調節螺母(mǔ):通過調整調節(jiē)螺母,調整彈簧(huáng)壓縮量,使閥門(men)能🔴夠很☁️方便、很(hen)迅速地獲得準(zhǔn)确的整定壓力(li)。
5、背壓調整套:調(diào)整閥瓣背壓的(de)輔助機構,通過(guò)背壓調整套調(diao)整,可獲得合适(shi)的回座壓差。上(shàng)調時,使閥門背(bèi)壓降🌈低。下調時(shí),使閥✂️門背壓提(tí)高。 彈簧微啟封(fēng)閉式安全閥安(an)裝說明
1、安全閥(fa)必須垂直安裝(zhuāng),并推薦直接安(ān)裝在容器或管(guǎn)道的🌈接頭上。接(jiē)頭内徑應不小(xiǎo)于安全閥的進(jin)口通徑。
2、安全閥(fá)的出口必須裝(zhuāng)設适當的膨脹(zhang)節,以防止排🙇🏻放(fang)管🌏的熱膨脹給(gei)安全閥帶來不(bu)應有的熱應力(li)。排放管内徑應(ying)比閥門出口👉直(zhi)徑大,長度盡可(ke)能短,避免拐彎(wān)。排放管㊙️及膨脹(zhang)節重量☀️不應作(zuo)用在安全閥上(shang),應固定在建築(zhù)上。排放管的中(zhong)心線與閥體的(de)中心線間距離(li)🔞盡可能的短。對(duì)每台安全閥都(dou)應單獨裝設排(pái)放管。
3、消聲器的(de)出口處要有足(zu)夠的面積,防止(zhǐ)産生背壓影響(xiǎng)閥門的排放能(néng)力。
彈簧微啟封(fēng)閉式安全閥主(zhǔ)要零部件材料(liao)
| no | 零件名稱 | a41h-c/ka41y-c材料(liao) | a41y-p/ka41y-p材料 | a41y-r/ka41y-r材料 |
| 1 | 閥體(tǐ) | wcb | zg1cr18ni9ti | zg1cr18ni12mo2ti |
| 2 | 閥座 | zg2cr13/1cr18ni9ti | zg1cr18ni9ti | zg1cr18ni12mo2ti |
| 3 | 調節圈 | zg2cr13/1cr18ni9ti | zg1cr18ni9ti | zg1cr18ni12mo2ti |
| 4 | 閥(fa)瓣 | 2cr13/1cr18ni9ti | 1cr18ni9ti | 1cr18ni12mo2ti |
| 5 | 導向套 | zg2cr13/1cr18ni9ti | zg1cr18ni9ti | zg1cr18ni12mo2ti |
| 6 | 閥蓋(gài) | zg230-450 | zg230-450 | zg230-450 |
| 7 | 彈簧 | 50crva | 50crva包覆氟塑(sù)料 | 50crva包覆氟塑料(liao) |
| 8 | 閥杆 | 2cr13 | 2cr13 | 1cr18ni12mo2ti |
| 9 | 調整螺杆(gǎn) | 45 | 2cr13 | 2cr13 |
| 10 | 保護罩 | zg200-400 | zg200-400 | zg200-400 |
| 密封面(miàn)材料 | 堆焊d507 | 堆焊(han)co基硬質合金 | ||
| 型号 | 公稱通徑(jìng) | do | D | K | g | g1 | b | f | f1 | Z-?d | DN’ | D1 | K1 | g2 | g’ | b1 | f’ | f1’ | Z1-?d1 | L | L1 | ≈H |
| A41H-16C A41Y-16P A41Y-16R KA41Y-16C KA41Y-16P | 20 | 15 | 105 | 75 | - | 55 | 16 | 2 | - | 4-14 | 20 | 105 | 75 | 55 | - | 16 | 2 | - | 4-14 | 100 | 85 | 276 |
| 25 | 20 | 115 | 85 | - | 65 | 16 | 2 | - | 4-14 | 25 | 115 | 85 | 65 | - | 16 | 2 | - | 4-14 | 100 | 85 | 276 | |
| 32 | 25 | 140 | 100 | - | 78 | 18 | 2 | - | 4-18 | 32 | 140 | 100 | 78 | - | 18 | 2 | - | 4-18 | 115 | 100 | 285 | |
| 40 | 32 | 150 | 110 | - | 85 | 18 | 3 | - | 4-18 | 40 | 150 | 110 | 85 | - | 18 | 3 | - | 4-18 | 120 | 110 | 292 | |
| 50 | 40 | 165 | 125 | - | 100 | 20 | 3 | - | 4-18 | 50 | 165 | 125 | 100 | - | 20 | 3 | - | 4-18 | 135 | 120 | 370 | |
| 65 | 50 | 185 | 145 | - | 120 | 20 | 3 | - | 4-18 | 65 | 185 | 145 | 120 | - | 20 | 3 | - | 4-18 | 140 | 130 | 375 | |
| 80 | 65 | 200 | 160 | - | 135 | 20 | 3 | - | 8-18 | 80 | 200 | 160 | 135 | - | 20 | 3 | - | 8-18 | 160 | 135 | 373 | |
| 100 | 80 | 220 | 180 | - | 155 | 22 | 3 | - | 8-18 | 100 | 220 | 180 | 155 | - | 22 | 3 | - | 8-18 | 170 | 160 | 513 | |
| 125 | 100 | 250 | 210 | - | 185 | 22 | 3 | - | 8-18 | 125 | 250 | 210 | 185 | - | 22 | 3 | - | 8-18 | 190 | 190 | 560 | |
| 150 | 125 | 285 | 240 | - | 210 | 24 | 3 | - | 8-23 | 150 | 285 | 240 | 210 | - | 24 | 3 | - | 8-23 | 205 | 195 | 570 | |
| 200 | 150 | 340 | 295 | - | 265 | 26 | 3 | - | 12-13 | 200 | 340 | 295 | 265 | - | 26 | 3 | - | 12-13 | 240 | 230 | 717 | |
| 250 | 200 | 405 | 355 | - | 320 | 30 | 3 | - | 12-13 | 250 | 405 | 355 | 320 | - | 30 | 3 | - | 12-13 | 350 | 320 | 940 | |
| 300 | 250 | 460 | 410 | - | 375 | 30 | 4 | - | 12-13 | 300 | 460 | 410 | 375 | - | 30 | 4 | - | 12-13 | 350 | 320 | 980 | |
| A41H-25 A41Y-25P A41Y-25R KA41Y-25 KA41Y-25P | 20 | 15 | 105 | 75 | - | 55 | 16 | 2 | - | 4-14 | 20 | 105 | 75 | 55 | - | 16 | 2 | - | 4-14 | 100 | 85 | 276 |
| 25 | 20 | 115 | 85 | - | 65 | 16 | 2 | - | 4-14 | 25 | 115 | 85 | 65 | - | 16 | 2 | - | 4-14 | 100 | 85 | 276 | |
| 32 | 25 | 140 | 100 | - | 78 | 18 | 2 | - | 4-18 | 32 | 140 | 100 | 78 | - | 18 | 2 | - | 4-18 | 115 | 100 | 285 | |
| 40 | 32 | 150 | 110 | - | 85 | 18 | 3 | - | 4-18 | 40 | 150 | 110 | 85 | - | 18 | 3 | - | 4-18 | 120 | 110 | 292 | |
| 50 | 40 | 165 | 125 | - | 100 | 20 | 3 | - | 4-18 | 50 | 165 | 125 | 100 | - | 20 | 3 | - | 4-18 | 135 | 120 | 370 | |
| 65 | 50 | 185 | 145 | - | 120 | 22 | 3 | - | 8-18 | 65 | 185 | 145 | 120 | - | 20 | 3 | - | 4-18 | 140 | 130 | 375 | |
| 80 | 65 | 200 | 160 | - | 135 | 24 | 3 | - | 8-18 | 80 | 200 | 160 | 135 | - | 20 | 3 | - | 8-18 | 160 | 135 | 373 | |
| 100 | 80 | 230 | 190 | - | 160 | 24 | 3 | - | 8-23 | 100 | 220 | 180 | 155 | - | 20 | 3 | - | 8-18 | 170 | 160 | 513 | |
| 125 | 100 | 270 | 220 | - | 188 | 28 | 3 | - | 8-26 | 125 | 250 | 210 | 185 | - | 22 | 3 | - | 8-18 | 190 | 190 | 560 | |
| 150 | 125 | 300 | 250 | - | 218 | 30 | 3 | - | 8-26 | 150 | 285 | 240 | 210 | - | 24 | 3 | - | 8-23 | 205 | 195 | 570 | |
| 200 | 150 | 360 | 310 | - | 278 | 34 | 3 | - | 12-13 | 200 | 340 | 295 | 265 | - | 26 | 3 | - | 12-13 | 240 | 230 | 717 | |
| 250 | 200 | 425 | 370 | - | 332 | 36 | 3 | - | 12-13 | 250 | 405 | 355 | 320 | - | 30 | 3 | - | 12-13 | 350 | 320 | 940 | |
| 300 | 250 | 485 | 430 | - | 390 | 40 | 4 | - | 16-30 | 300 | 460 | 410 | 375 | - | 30 | 4 | - | 12-13 | 350 | 320 | 980 | |
| A41H-40 A41Y-40P A41Y-40R KA41Y-40 KA41Y-40P | 20 | 15 | 105 | 75 | 51 | 55 | 16 | 2 | 4 | 4-14 | 20 | 105 | 75 | 55 | - | 16 | 2 | - | 4-14 | 100 | 85 | 276 |
| 25 | 20 | 115 | 85 | 58 | 65 | 16 | 2 | 4 | 4-14 | 25 | 115 | 85 | 65 | - | 16 | 2 | - | 4-14 | 100 | 85 | 276 | |
| 32 | 25 | 140 | 100 | 66 | 78 | 18 | 2 | 4 | 4-18 | 32 | 140 | 100 | 78 | - | 18 | 2 | - | 4-18 | 115 | 100 | 285 | |
| 40 | 32 | 150 | 110 | 76 | 85 | 18 | 3 | 4 | 4-18 | 40 | 150 | 110 | 85 | - | 18 | 3 | - | 4-18 | 120 | 110 | 292 | |
| 50 | 40 | 165 | 125 | 88 | 100 | 20 | 3 | 4 | 4-18 | 50 | 165 | 125 | 100 | - | 20 | 3 | - | 4-18 | 135 | 120 | 370 | |
| 65 | 50 | 185 | 145 | 110 | 120 | 22 | 3 | 4 | 8-18 | 65 | 185 | 145 | 120 | - | 20 | 3 | - | 4-18 | 140 | 130 | 375 | |
| 80 | 65 | 200 | 160 | 121 | 135 | 22 | 3 | 4 | 8-18 | 80 | 200 | 160 | 135 | - | 20 | 3 | - | 8-18 | 160 | 135 | 373 | |
| 100 | 80 | 235 | 190 | 150 | 160 | 24 | 3 | 4.5 | 8-23 | 100 | 220 | 180 | 155 | - | 22 | 3 | - | 8-18 | 170 | 160 | 513 | |
| 125 | 100 | 270 | 220 | 176 | 188 | 28 | 3 | 4.5 | 8-26 | 125 | 250 | 210 | 185 | - | 22 | 3 | - | 8-18 | 190 | 190 | 560 | |
| 150 | 125 | 300 | 250 | 204 | 218 | 30 | 3 | 4.5 | 8-26 | 150 | 285 | 240 | 210 | - | 24 | 3 | - | 8-23 | 205 | 195 | 570 | |
| 200 | 150 | 375 | 320 | 260 | 282 | 38 | 3 | 4.5 | 12-13 | 200 | 340 | 295 | 265 | - | 26 | 3 | - | 12-13 | 240 | 230 | 717 | |
| 250 | 200 | 450 | 385 | 313 | 345 | 42 | 3 | 4.5 | 12-34 | 250 | 405 | 355 | 320 | - | 30 | 3 | - | 12-13 | , , , 350 | 320 | 940 | |
| 300 | 250 | 515 | 450 | 364 | 408 | 46 | 4 | 4.5 | 16-34 | 300 | 460 | 410 | 375 | - | 30 | 4 | - | 12-13 | 350 | 320 | 980 | |
| A41H-64 A41Y-64 A41Y-64P A41Y-64R | 20 | 15 | 130 | 90 | 51 | 68 | 20 | 2 | 4 | 4-18 | 20 | 105 | 75 | 55 | 51 | 16 | 2 | 4 | 4-14 | 100 | 95 | 268 |
| 25 | 20 | 140 | 100 | 58 | 78 | 22 | 2 | 4 | 4-18 | 25 | 115 | 85 | 65 | 58 | 16 | 2 | 4 | 4-14 | 100 | 95 | 268 | |
| 32 | 25 | 155 | 110 | 66 | 82 | 24 | 2 | 4 | 4-23 | 32 | 140 | 100 | 78 | 66 | 18 | 2 | 4 | 4-18 | 115 | 105 | 279 | |
| 40 | 32 | 170 | 125 | 76 | 95 | 24 | 3 | 4 | 4-23 | 40 | 150 | 110 | 85 | 76 | 18 | 3 | 4 | 4-18 | 135 | 115 | 330 | |
| 50 | 40 | 180 | 135 | 88 | 105 | 26 | 3 | 4 | 4-23 | 50 | 165 | 125 | 100 | 88 | 20 | 3 | 4 | 4-18 | 160 | 125 | 360 | |
| 65 | 50 | 205 | 160 | 110 | 130 | 28 | 3 | 4 | 8-23 | 65 | 185 | 145 | 120 | 110 | 22 | 3 | 4 | 8-18 | 175 | 160 | 503 | |
| 80 | 65 | 215 | 170 | 121 | 140 | 30 | 3 | 4 | 8-23 | 80 | 200 | 160 | 135 | 121 | 22 | 3 | 4 | 8-18 | 175 | 160 | 498 | |
| 100 | 80 | 250 | 200 | 150 | 168 | 32 | 3 | 4.5 | 8-26 | 100 | 235 | 190 | 160 | 150 | 24 | 3 | 4.5 | 8-23 | 190 | 180 | 530 | |
| 150 | 100 | 345 | 280 | 204 | 240 | 38 | 3 | 4.5 | 8-34 | 150 | 300 | 250 | 218 | 204 | 30 | 3 | 4.5 | 8-26 | 280 | 260 | 657 | |
| , A41H-100 A41Y-100 A41Y-100P A41Y-100R | 20 | 15 | 130 | 90 | 51 | 68 | 22 | 2 | 4 | 4-18 | 20 | 105 | 75 | 55 | 51 | 16 | 2 | 4 | 4-14 | 100 | 95 | 268 |
| 25 | 20 | 140 | 100 | 58 | 78 | 24 | 2 | 4 | 4-18 | 25 | 115 | 85 | 65 | 58 | 16 | 2 | 4 | 4-14 | 100 | 95 | 268 | |
| 32 | 25 | 155 | 110 | 66 | 82 | 24 | 2 | 4 | 4-23 | 32 | 140 | 100 | 78 | 66 | 18 | 2 | 4 | 4-18 | 115 | 105 | 279 | |
| 40 | 32 | 170 | 125 | 76 | 95 | 26 | 3 | 4 | 4-23 | 40 | 150 | 110 | 85 | 76 | 18 | 3 | 4 | 4-18 | 135 | 115 | 330 | |
| 50 | 40 | 195 | 145 | 88 | 112 | 28 | 3 | 4 | 4-26 | 50 | 165 | 125 | 100 | 88 | 20 | 3 | 4 | 4-18 | 160 | 125 | 360 | |
| 65 | 50 | 220 | 170 | 110 | 138 | 32 | 3 | 4 | 8-26 | 65 | 185 | 145 | 120 | 110 | 22 | 3 | 4 | 8-18 | 175 | 160 | 503 | |
| 80 | 65 | 230 | 180 | 121 | 148 | 34 | 3 | 4 | 8-26 | 80 | 200 | 160 | 135 | 121 | 22 | 3 | 4 | 8-18 | 175 | 160 | 498 | |
| 100 | 80 | 265 | 210 | 150 | 172 | 38 | 3 | 4.5 | 8-30 | 100 | 235 | 190 | 160 | 150 | 24 | 3 | 4.5 | 8-23 | 190 | 180 | 530 | |
| 150 | 100 | 355 | 290 | 204 | 250 | 46 | 3 | 4.5 | 12-34 | 150 | 300 | 250 | 218 | 204 | 30 | 3 | 4.5 | 8-26 | 280 | 260 | 657 |





