彈簧封閉式高壓安全閥簡介:
彈簧封閉式高壓安全閥適用于工作溫度≤200℃空氣、氮氫混合氣等介質的設備或管路上。A42Y-160P/320P、A42Y160R/320R適用于工作溫度≤200℃有腐蝕性介質的設備或管路上，作為超壓保護裝置。 連接法蘭按JB/T2769-92的標準。
| 主要零件材料： |
| NO. | 零件名稱 | A42Y-160 A42Y-320 材料 | A42Y-160P A42Y-320P 材料 | A42Y-160R A42Y-320R 材料 | | 1 | 法蘭 | 35/35CrMoA | 2Cr13 | 1Cr18Ni12Mo2Ti | | 2 | 閥座 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | | 3 | 閥體 | 40 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | | 4 | 調節圈 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | | 5 | 閥瓣 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | | 6 | 反沖盤 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | | 7 | 導向套 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | | 8 | 閥蓋 | ZG230-450 | ZG230-450 | ZG230-450 | | 9 | 閥桿 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni9Ti | | 10 | 彈簧 | 50CrVA | 50CrVA包覆氟塑料 | 50CrVA包覆氟塑料 | | 11 | 調整螺桿 | 45 | 2Cr13 | 2Cr13 | | 12 | 閥帽 | ZG200-400 | ZG200-400 | ZG200-400 | | | 密封面材料 | 堆焊Co基硬質合金 | |
| 主要外形尺寸： |
| 型號 | 公稱通徑 | do | d | M | K | D | Z-ød | b | d1 | M1 | K1 | D1 | Z1-ød1 | b1 | L | L1 | ≈H | | A42Y-160 | 15 | 8 | 20 | M34×2 | 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 | 150 | 150 | 280 | | 32 | 15 | 37 | M42×2 | 80 | 115 | 4-18 | 22 | 50 | M64×3 | 115 | 165 | 6-26 | 32 | 150 | 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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