EN2R--9018 9704R1--NE
3
FEATURES
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Class “A” safety combination valve for control of
gaseous fluids in gas consuming appliances in
accordance with international standards.
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Main body with two gas valves with single seat.
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Internal by--pass valve to achieve high--low flame
control.
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internal or external pilot valve.
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Vent valve.
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Options for mounting flanged minimum and maximum
pressure switches.
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Valve Proving System (VPS).
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Closing time: < 1 second.
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Coils field replaceable.
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Coils suitable for permanent energization.
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Fine mesh screen between inlet flange and main body.
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Various pressure tap points at main body available,
when no additional valves or pressure switches are
used.
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Second main valve, either with adjustable flow
regulator (fast), or characterized opening mechanism
(slow) with adjustable maximum flow rate and step
pressure.
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Rectifier board with LEDs (VQ440/50 only) to indicate
energization of coil
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Rectifier boards field replaceable.
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Plug connector according to DIN 43650: standard for
VQ440/50, optional for VQ420/25.
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PG11 cable strain relief standard at VQ420/25.
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Optional mounting of Closed Position Indication
switch (CPI) at bottom of safety valve V1.