Maxon 150SMA11AA11BB22A0 Automatic Gas Shutoff Valve 1.5" NPT 115V

The Maxon 150SMA11AA11BB22A0 is a high-performance automatic gas shutoff valve from the trusted 5000 series (now MA11 series), designed for commercial and industrial combustion applications. This electrically actuated valve features a 1.5" NPT connection and operates on 115 VAC/60Hz power, providing rapid and reliable gas line shutoff in less than one second.

Key Features:

• 1.5" NPT threaded inlet and outlet connections for easy installation
• Normally closed configuration with automatic reset operation
• Dual position switches: VOS2 (Valve Open Switch) and VCS2 (Valve Closed Switch) for precise monitoring
• Metal-to-metal seating design ensures long-lasting, leak-free performance
• Powerful closing spring provides closure in under 1 second for enhanced safety
• Cast iron body construction with durable internal trim components
• Operating pressure range up to 125 PSIG (8.6 bar)
• NEMA 4 enclosure rating for protection against dust and water
• Meets FCI 70-2 control valve standard for Class VI seat leakage

Certifications and Approvals:

• Factory Mutual (FM), CSA, UL, and CE approved
• Suitable for general purpose installations and non-incendive Class I, Division 2 hazardous locations
• Canadian registration obtained on valve body

This Maxon valve is ideal for natural gas and LP gas applications in boilers, furnaces, ovens, and other industrial heating equipment. The field-rotatable top assembly can be adjusted in 90° increments to accommodate various installation requirements. Designed for ambient and gas temperature ranges of -20°F to 140°F (-29°C to 60°C), this valve delivers reliable performance in demanding industrial environments.