彈簧微啟封閉式高壓安全閥說明：A41Y-160/320彈簧微啟封閉式高壓安全閥適用于工作溫度≤200℃空氣、氮氣混合氣、水等介質的設備和管路上。A41Y-160P／320P、41Y-160R／320R型適用于工作溫≤200℃有腐蝕性的氣體或液體介質的設備和管路上，作為超壓保護裝置。
彈簧微啟封閉式高壓安全閥主要零部件材料
| NO. | 零件名稱 | A41Y-160 材料 A41Y-320 | A41Y-160P 材料 A41Y-320P | A41Y-160P 材料 A41Y-320P |
| 1 | 法蘭 | 35/35CrMoA | 2Cr13 | 1Cr18Ni9Ti |
| 2 | 閥座 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 3 | 閥體 | 35/40 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 4 | 閥瓣 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 5 | 導向套 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 6 | 彈簧 | 50CrVA | 50CrVA 包覆氟塑料 | 50CrVA 包覆氟塑料 |
| 7 | 閥桿 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 8 | 閥蓋 | ZG230-450 | 1Cr18Ni9Ti | 1Cr18Ni9Ti |
| 9 | 調整螺桿 | 45 | 2Cr13 | 2Cr13 |
| 10 | 閥帽 | ZG200-400 | 1Cr18Ni9Ti | 1Cr18Ni9Ti |
| 閥座、閥瓣密封面 | 堆焊 Co 基硬質合金 . | |||
彈簧微啟封閉式高壓安全閥外形尺寸和連接尺寸
| 型號 | 公稱通徑 （DN） | do | d | M | D | K | Z-φd | b | d1 | M1 | D 1 | K1 | Zrφd1 | b 1 | L | L1 | ≈ H |
| A41Y-160 （單法蘭） | 15 | 8 | 20 | M24×2 | 95 | 60 | 3-18 | 20 | / | M33×2 | 36 | / | / | / | 50 | 80 | 85 |
| 20 | 10 | 25 | M27×2 | 95 | 60 | 3-18 | 20 | / | M33×2 | 48 | / | / | / | 50 | 80 | 85 | |
| 25 | 12 | 28 | M33×2 | 105 | 68 | 3-18 | 20 | / | M33×2 | 48 | / | / | / | 50 | 80 | 85 | |
| A41Y-160 | 10 | 8 | 18 | M24×2 | 95 | 60 | 3-18 | 20 | 29 | M42×2 | 115 | 80 | 4-18 | 22 | 95 | 100 | 261 |
| 15 | 8 | 20 | M24×2 | 95 | 60 | 3-18 | 20 | 29 | M42×2 | 115 | 80 | 4-18 | 22 | 95 | 100 | 261 | |
| 20 | 10 | 27 | M33×2 | 105 | 68 | 3-18 | 20 | 29 | M42×2 | 115 | 80 | 4-18 | 22 | 95 | 100 | 261 | |
| 25 | 12 | 28 | M33×2 | 105 | 68 | 3-18 | 20 | 50 | M64×3 | 165 | 115 | 6-26 | 32 | 130 | 135 | 285 | |
| 32 | 12.14.16 | 37 | M42×2 | 115 | 80 | 4-18 | 22 | 50 | M64×3 | 165 | 005 | 6-26 | 32 | 130 | 135 | 285 | |
| 40 | 20 | 47 | M52×2 | 165 | 115 | 6-26 | 28 | 65 | M80×3 | 200 | 045 | 6-29 | 40 | 165 | 165 | 350 | |
| 50 | 25 | 58 | M64×3 | 165 | 115 | 6-26 | 32 | 80 | M100×3 | 225 | 170 | 6-33 | 80 | 165 | 165 | 380 | |
| A41Y-320 | 10 | 8 | 18 | M24×2 | 95 | 60 | 3-18 | 20 | 29 | M42×2 | 115 | 80 | 4-18 | 22 | 95 | 100 | 261 |
| 15 | 8 | 27 | M33×2 | 105 | 68 | 3-18 | 20 | 29 | M42×2 | 115 | 80 | 4-18 | 22 | 95 | 100 | 261 | |
| 20 | 10 | 30 | M36×2 | 110 | 75 | 3-18 | 20 | 29 | M42×2 | 115 | 80 | 4-18 | 22 | 95 | 100 | 261 | |
| 25 | 12 | 35 | M42×2 | 115 | 80 | 4-18 | 22 | 50 | M64×3 | 165 | 115 | 6-26 | 32 | 130 | 135 | 285 | |
| 32 | 12.14.16 | 41 | M48×2 | 135 | 95 | 4-22 | 25 | 50 | M64×3 | 165 | 115 | 6-26 | 32 | 130 | 135 | 285 | |
| 40 | 20 | 58 | M64×3 | 165 | 115 | 6-26 | 32 | 65 | M80×3 | 200 | 145 | 6-29 | 40 | 115 | 115 | 350 | |
| 50 | 25 | 70 | M80×3 | 200 | 145 | 6-29 | 40 | 80 | M100×3 | 225 | 170 | 6-33 | 50 | 165 | 165 | 380 |
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