VA4 Series - 1/4" 3/2, 5/2 or 5/3, Ex db mb solenoid Valve VA4 Series Ex db mb
Datasheet
1/4" Ports 3/2, 5/2 or 5/3 internal pilot operated spool valve. Complete with Ex db mb solenoid.
- Suitable for use in Zones 1 & 2.
- Approved to international standards
- ATEX & IECEx (CCCEx pending)
- Body material available in
- Aluminium (standard)
- Stainless Steel
- Brass
- Valve body seal kit available - VSK200
• Internal pilot air connection
• Interchangeable CNOMO interface operators including various hazardous area options
• Single coil spring return function or double coil stay put function (3/2 & 5/2 Only)
• All ports open or all ports closed in the centre position (5/3 Only)
• Convenient fixing holes to enable bracket mounting
• Pilot exhaust caps fitted as standard
• Low-temperature seal kits available
MATERIAL SPECIFICATIONS
| STANDARD | |
| Body and End Caps | Black Anodised Aluminium (Dural) |
| Spool | Hard Anodised Aluminium PTFE Impregnated |
| Seals | Nitrile |
| Spacers | Glass filled Acetal |
| Spring | Music Wire |
VALVE SPECIFICATIONS
| Standard | |
| Port Connection Size | 1/4” BSP / NPT |
| Working Pressure | 3 to 10 bar |
| Cv Factor | 1.2 |
| Flow Rate (at 6 bar with 1 bar pressure drop) | 1246 l/min |
| Maximum Ambient Temperature | +80°C |
| Minimum Working Temperature | -20°C |
COIL DETAILS
| DC Solenoid Coil | AC Solenoid Coil | |
| Area Class | Zones 1 & 2 | Zones 1 & 2 |
| Area Category | Ex dm mb IIC T4-6 | Ex dm mb IIC T4-6 |
| Ingress Protection | IP66 | IP66 |
| Cable Entry | Standard M20 x 1.5mm | Standard M20 x 1.5mm |
| Ambient Temperature | -20°C to +80°C | -20°C to +80°C |
| Magnetic Wire Class | H | H |
| Power Consumption | 2.4W | 9.5VA |
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VA4 Series - 1/4" 3/2, 5/2 or 5/3, Ex db mb solenoid Valve