Maxon 400HMA11BA11BB32A0 4-Inch Electromechanical Gas Safety Shut-Off Valve 120V

The Maxon 400HMA11BA11BB32A0 is a 4-inch high-capacity electromechanical automatic gas safety shut-off valve designed for industrial burner and combustion applications. This normally closed valve features 120V 60Hz operation for both the solenoid and motor components, providing reliable automated control of gas flow in heating systems.

Key Features:

• 4-inch ANSI flanged connection (PN20) for high-flow applications
• High-capacity flow design for demanding industrial requirements
• VOS2/VCS2 switch configuration with dual valve open and dual valve closed position switches
• Cast iron body construction with Buna N O-rings and bumper seals
• 120V 60Hz operation for solenoid and motor
• NEMA 4 enclosure rating for general purpose installations
• Normally closed shut-off valve for fail-safe operation
• 12-second motor timing for controlled valve actuation

This Maxon automatic valve is engineered for use with natural gas in industrial heating applications including boilers, ovens, and process heating systems. The integrated position switches provide proof of closure and opening confirmation for burner management systems, ensuring safe and reliable combustion control.