Aa series check valve
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Check Valve Series
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Aa series check valve
Detail
1 Features
1. The one-way valve is a valve that controls the airflow to flow only in one direction, but not in the opposite direction.
2. The valve body is made of copper, and the valve core is made of PTFE. And it has the characteristics of good sealing, high temperature resistance, aging resistance, small leakage and long life.
2 Graphical Symbols
3 Model
Four. Technical parameters
| Model | Aa | ||||||
| Nominal diameter (mm) | 8 | 10 | 15 | 20 | 25 | 40 | 50 |
| Effective cross-sectional area (mm2) | 20 | 40 | 60 | 110 | 190 | 400 | 650 |
| Maximum service pressure (MPa) | 1.6 | ||||||
| Opening pressure (MPa) | 0.05 | 0.04 | 0.03 | 0.02 | |||
| Working temperature (℃) | -40~200 | ||||||
| Durability (ten thousand times) | 300 | 200 | 150 | 100 | |||
5 Outline and installation dimensions
| Model | Aa | ||||||
| Engineering Dimensions (mm) | 8 | 10 | 15 | 20 | 25 | 40 | 50 |
| A | φ32 | φ32 | φ32 | φ38 | φ50 | φ75 | φ94 |
| B | 60 | 60 | 60 | 73 | 90 | 125 | 152 |
| M | ZG 1/4" | ZG 3/8" | ZG 1/2" | ZG 3/4" | ZG 1" | ZG 1/2" | ZG 2" |
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