Maxon 300CMA11AA11BB22A0 is a three-inch ANSI threaded electromechanical safety shut-off valve engineered for dependable gas flow control in industrial combustion, HVAC, and burner management systems.

This normally closed, 2-way valve features auto-reset operation, CP port flow capacity, a cast iron body, Buna N O-rings, and Internal Trim Package 1 to support secure fuel isolation and consistent shut-off performance.

Its 115Vac 60Hz motor and solenoid configuration delivers 6-second motor timing for controlled actuation, while VOS2 and VCS2 switch options support valve position verification and system monitoring.

Built with a NEMA 4 enclosure rating, this Maxon safety shut-off valve helps protect equipment, improve combustion safety, and maintain reliable gas train compatibility in demanding operating environments.
 

Frequently Asked Questions
 

• What is the Maxon 300CMA11AA11BB22A0 used for?

The Maxon 300CMA11AA11BB22A0 is used to control and safely shut off gas flow in industrial combustion, HVAC, and burner management systems.

• Is this valve normally open or normally closed?

This model is a normally closed, 2-way electromechanical safety shut-off valve designed to remain closed until energized for controlled gas flow.

• What size connection does this valve have?

The valve has a three-inch ANSI threaded NPT connection for compatible gas train and piping installations.

• What voltage does the Maxon 300CMA11AA11BB22A0 require?

This model operates with a 115Vac 60Hz motor and solenoid configuration.

• What is the motor timing for this valve?

The valve has 6-second motor timing, allowing controlled actuation during system operation.

• What materials are used in this valve?

The valve features a cast iron body with Buna N O-rings and bumper sealing components for dependable gas shut-off performance.

• Does this valve support position verification?

Yes. The VOS2 and VCS2 switch options support valve position verification and system monitoring.

• What enclosure rating does this valve have?

The Maxon 300CMA11AA11BB22A0 has a NEMA 4 enclosure rating, making it suitable for demanding industrial environments.

• Is this valve compatible with burner management systems?

Yes. This valve is designed for gas train applications in industrial combustion, HVAC, and burner management systems where secure fuel isolation is required.

• What are the main benefits of this Maxon safety shut-off valve?

Key benefits include reliable gas isolation, auto-reset operation, controlled actuation, position monitoring support, combustion safety, and equipment protection.