弹簧微启封闭式高压安全阀说明：a41y-160/320弹簧微启封闭式高压安全阀适用于工作温度≤200℃空气、氮气混合气、水等介质的设备和管路上。a41y-160p／320p、41y-160r／320r型适用于工作温≤200℃有腐蚀性的气体或液体介质的设备和管路上，作为超压保护装置。
弹簧微启封闭式高压安全阀主要零部件材料
| no. | 零件名称 | a41y-160 材料 a41y-320 |
a41y-160p 材料 a41y-320p |
a41y-160p 材料 a41y-320p |
| 1 | 法兰 | 35/35crmoa | 2cr13 | 1cr18ni9ti |
| 2 | 阀座 | 2cr13 | 1cr18ni9ti | 1cr18ni12mo2ti |
| 3 | 阀体 | 35/40 | 1cr18ni9ti | 1cr18ni12mo2ti |
| 4 | 阀瓣 | 2cr13 | 1cr18ni9ti | 1cr18ni12mo2ti |
| 5 | 导向套 | 2cr13 | 1cr18ni9ti | 1cr18ni12mo2ti |
| 6 | 弹簧 | 50crva | 50crva 包覆氟塑料 | 50crva 包覆氟塑料 |
| 7 | 阀杆 | 2cr13 | 1cr18ni9ti | 1cr18ni12mo2ti |
| 8 | 阀盖 | zg230-450 | 1cr18ni9ti | 1cr18ni9ti |
| 9 | 调整螺杆 | 45 | 2cr13 | 2cr13 |
| 10 | 阀帽 | zg200-400 | 1cr18ni9ti | 1cr18ni9ti |
| 阀座、阀瓣密封面 | 堆焊 co 基硬质合金 . | |||
| 型号 | 公称通径 (dn) |
do | d | m | d | k | z-φd | b | d1 | m1 | d 1 | k1 | zrφd1 | b 1 | l | l1 | ≈ h |
| a41y-160 (单法兰) |
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 |
