Honeywell VQ425MA1021 gas valve DN25

Honeywell VQ425MA1021 class “A” gas control unit used to control and regulate the supply of gaseous media in high-power gas burners, atmospheric gas boilers, melting furnaces, incinerators and other gas-exhaust installations. The versatility of Honeywell VQ425MA1021 gas valve allows you to mount accessories such as a valve position indicator, pressure indication relays, air outlet and bypass valves on it in several places.

Honeywell VQ425MA 1021 gas control block are suitable for regulating gaseous media in gas-discharge installations conforming to international standards.

According to their characteristics, Honeywell VQ425MA 1021 combined gas valve meet the requirements of Class “A” of the EN 161 standard.

Honeywell VQ425 MA 1021 gas solenoid valves can ordered with a straight flange pipe connection in sizes from 1/2″ to 2″. As standard, Honeywell VQ425MA1021 combination valves are equipped with two safety valves V1 and V2. The first valve (V1) always opens quickly. The second valve (V2) can opened either quickly or slowly.

• As standard, the second valve (V2) supplied with a throttle screw (quick opening with flow control).
• If desired, the second valve (V2) can ordered with a slow opening device (with flow control and adjustable opening).
• If desired, the second valve (V2) can ordered to open quickly, without any control device.

Honeywell VQ425MA1021 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