Honeywell VQ425MB1004 gas valve DN25

SKU: VQ425MB1004, 534.322.215

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Honeywell VQ425MB 1004 Class “A” combined valve ignition system designed for controlling gas flow in high-capacity burners, atmospheric boilers, furnaces, and other systems. The valve’s versatility allows for the installation of accessories such as a position indicator, pressure switch, air release valves, and bypass valves.

Standard features include two safety valves: V1, which opens quickly, and V2, which can operate in multiple modes.

In the standard version, the second valve (V2) comes with a throttle screw for quick opening with flow regulation. Optionally, V2 can be equipped with a slow opening device (with adjustable flow and opening time) or be set for quick opening without any regulating device.

Honeywell VQ425MB1004 CVI valve technical data:

  • Maximum operating pressure: 360 mbar
  • Pipe connections comply with the requirements of group 2 of the EN 161 standard
  • Electrical connections: standard connector corresponding to the PG11 connector on the main gas valves and additional valves
  • Ambient temperature range: -15 … 60 °C
  • Coil insulation: insulation material conforming to Class F
  • Body material: Aluminum alloy, injection molding
  • Closing spring: AISI 302 steel
  • Valve plunger: chrome-plated Fe 360B steel sliding on an anti-friction bearing
  • Seals and gaskets: hydrocarbon-resistant NBR rubber
  • Number of cycles: 500000
  • Closing time: < 1 sec
  • Maximum response frequency: 1 cycle per minute
  • Duty cycle: coils are suitable for continuous excitation
  • Flange size: DN25
  • Pipe Size: 1″
  • Bandwidth: 11
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