Vacuum Valve Technology Diaphragm Check Valve MOW With Aluminium Alloy Material
1. Introduction and application
- The valve is placed at the inlet of the vacuum pump to prevent air backflow from causing great damage to the pump.
2. Benefits
- Low leakage rate which can be compensated with the aid of a bypass
- Be suitable for use in applications with high nominal flow rates
- Can be connected to all common suction cups and plates
3. Design

- The body is made of aluminum alloy and light in weight;
- The diaphragm is made of EPDM,wear resistance and fatigue resistance;
4. Design Data

Type | Size(MM) |
G1 | G2 | H | SW1 | SW2 |
MOW G1/4 | G1/4"-F | G1/4"-F | 42 | 20 | 20 |
MOW G3/8 | G3/8"-F | G3/8"-F | 50 | 24 | 24 |
MOW G1/2 | G1/2"-F | G1/2"-F | 55 | 24 | 24 |
Diaphragm Check Valve MOW.pdf