A42Y-彈簧全啟封閉(bi)式高壓安全閥(fa)
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彈簧全啟封閉(bi)式高壓安全閥(fa)說明：A42Y-160/320适用于工(gōng)作溫度🔆≤200℃的空🏃🏻♂️氣(qi)、氮氣混合氣等(děng)介質的設備或(huo)管路上。A42Y-160P/320P、A42Y-160R/320R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(zuò)為超壓保護裝(zhuāng)置。
彈簧全啟封(fēng)閉式高壓安全(quán)閥主要零部件(jian)材料
| NO. | 零部件名(míng)稱 | A42Y-160 A42Y-320 材料 | A42Y-160P A42Y-320P 材料 | A42Y-160R A42Y-320R 材(cái)料 |
| 1 | 法蘭 | 35/35CrMoA | 2Cr13 | 1Cr18Ni12Mo2Ti |
| 2 | 閥座 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 3 | 閥(fá)體 | 40 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 4 | 調節閥 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 5 | 閥瓣(ban) | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 6 | 反沖盤 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 7 | 導向套(tao) | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 8 | 閥蓋 | ZG230-450 | ZG230-450 | ZG230-450 |
| 9 | 閥杆 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni9Ti |
| 10 | 彈簧(huáng) | 50CrVA | 50CrVA 包覆氟塑料 | 50CrVA包(bāo)覆氟塑料 |
| 11 | 調整(zheng)螺杆 | 45 | 2Cr13 | 2Cr13 |
| 12 | 閥帽 | ZG200-400 | ZG200-400 | ZG200-400 |
| 13 | 密封(fēng)面材料 | 堆焊 Co 基(jī)硬質合金 | ||
| 型号 | 公稱通(tōng)徑(DN) | do | d | M | K | D | Z-φd | b | d1 | M1 | K1 | D1 | Zrφd1 | b1 | L | L1 | ≈ H |
| A42Y-160 | 15 | 8 | 20 | M24×2 | 60 | 95 | 3-18 | 20 | 29 | M42×2 | 80 | 115 | 4-18 | 22 | 95 | 100 | 220 |
| 20 | 8 | 27 | M33×2 | 68 | 105 | 3-18 | 20 | 29 | M42×2 | 80 | 115 | 4-18 | 22 | 95 | 100 | 220 | |
| 25 | 14 | 28 | M33×2 | 68 | 105 | 3-18 | 20 | 50 | M64×3 | 115 | 165 | 6-26 | 32 | 15 | 150 | 280 | |
| 32 | 15 | 37 | M42×2 | 80 | 115 | 4-18 | 22 | 50 | M64×3 | 115 | 165 | 6-26 | 32 | 15 | 150 | 390 | |
| 40 | 20 | 47 | M52×2 | 115 | 165 | 6-26 | 28 | 65 | M80×3 | 145 | 200 | 6-29 | 40 | 180 | 180 | 495 | |
| 50 | 25 | 59 | M64×3 | 115 | 165 | 6-26 | 32 | 80 | M100×3 | 170 | 225 | 6-33 | 50 | 165 | 165 | 400 | |
| A42Y-320 | 15 | 8 | 27 | M33×2 | 68 | 105 | 3-18 | 20 | 29 | M42×2 | 80 | 115 | 4-18 | 22 | 95 | 100 | 220 |
| 20 | 8 | 30 | M33×2 | 75 | 110 | 3-18 | 22 | 29 | M42×2 | 80 | 115 | 4-18 | 22 | 95 | 100 | 220 | |
| 25 | 14 | 35 | M42×2 | 80 | 115 | 4-18 | 22 | 50 | M64×3 | 115 | 165 | 6-26 | 32 | 150 | 150 | 280 | |
| 32 | 15 | 41 | M48×2 | 95 | 135 | 4-22 | 25 | 50 | M64×3 | 115 | 165 | 6-26 | 32 | 150 | 150 | 390 | |
| 40 | 20 | 58 | M64×3 | 115 | 165 | 6-26 | 32 | 65 | M80×3 | 145 | 200 | 6-29 | 40 | 180 | 180 | 495 | |
| 50 | 25 | 70 | M80×3 | 145 | 200 | 6-29 | 40 | 80 | M100×3 | 170 | 225 | 6-33 | 50 | 165 | 165 | 400 | |
| A42Y-400 | 32 | 15 | 41 | M48×2 | 95 | 135 | 4-22 | 25 | 50 | M64×3 | 115 | 165 | 6-26 | 32 | 150 | 150 | 397 |
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