Elektrogas Control Valves VRA, VLA, VTA

Elektrogas Valve VRA VLA VTA

Elektrogas valve VRA VLA VTA

Solenoid Valves for Combustion Air Regulation

The VRA/VLA/VTA types are normally closed solenoid valves for cold combustion air regulation. When the coil is not energized the spring works on the disc, keeping the adjusted minimum passage of air. When powering the coil the valve opens, moving the disc to the maximum open position. When power is switched off the valve moves to the minimum position.

This type of device is suitable for high/low stage control of combustion air in industrial gas burners. (qualified for continuous service- 100% ED).

Material/Connections     
AlSi : Rp3/4 – Rp2½     
AlSi : DN40 – DN80

Operating pressure      
0 – 200 mbar

Media temperature     
Cold air 60°C max.

Settings     
High/Low stage operation       
VRA: 1s opening/closing       
VLA: ~4s opening/1s closing       
VTA: ~4s opening/closing     
Bypass bore (optional)

For further information please contact : marketing@wmablog.com

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