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空压机安全阀AQ20 AQ25
| 主要性能规范：Main technical data | |||||||||
| 型号 Type |
强度试验压力 MPa Shell test pressure |
整定压力范围 MPa Range of Adjusted pressure |
密封试验压力 MPa sealing test pressure |
排放压力 |
回座压力 MPa re-seating pressure |
开启高度 mm Value Lift |
适用温度 ℃ Suitable temperature |
排量系数 Coefficient of dischange |
适用介质 Suitable medium |
| AQ20 AQ25 |
2.4 | Ps0.3～1.6 | 90%整定压力 setting pressure |
≤1.1 x 整定压力 setting pressure |
≥85% |
≥1/20 喉径 Throat diameter |
≤300 | 0.2 |
空气 |
| 主要零件材料 Material of main parts | ||||||||||
| 零件名称 Part |
阀体 Body |
阀盖 Bonnet |
阀套、阀瓣 Sleeve,Disc |
弹簧座、阀杆 Spring seat,Stem |
弹簧 Spring |
调节螺母 Adjust Num |
阀帽 Cap |
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|
材料 |
2Cr13 | 碳钢 Carbon steel |
2Cr13 | 2Cr13 | 50CrVa | 碳钢 Carbon steel |
灰铸钢 Grey cast iron |
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| 主要外形尺寸及连接尺寸 Main size of Appearance | ||||||||||
| 公称通径 DN/mm Inside Nominal Diameter |
图中符号 Mark in chart | |||||||||
| d0 | L | G | D | D1 | Z-φD | H | ||||
| 20 | 17 | 25 | G1" | 62 | 44 | 4-φ17 | 220 | |||
| 25 | 20 | 28 | G11/4" | 70 | 50 | 4-φ20 | 226 | |||