• Main body with two gas valves with single seat.
• Possibility of installing internal by-pass valve to achieve high-low flame control.
• Possibility of installing internal or external pilot valve.
• Possibility of installing vent
valve.
valve.
• Possibility of installing flanged minimum and maximum pressure switches.
• Possibility of installing valve Proving System (VPS).
•
Possibility of mounting Closed Position Indication switch (CPI) at bottom of safety valve V1 and / or valve V2.
• Closing time: < 1 second.
• Coils field replaceable.
• Coils suitable for permanent energizing.
• Fine mesh screen between inlet flange and main body (optional).
• Various pressure tap points at main body available
• Second main valve, either with adjustable flow regulator (fast), or characterized opening mechanism (slow) with adjustable maximum flow rate and step pressure.
• Rectifier boards field replaceable.
• PG11 cable strain relief standard at VQ400M.
• Plug connector according to ISO 4400 / DIN EN 175301-803 optional for VQ400M.