Maxon 300CMA11-AA11-BB22A0 Normally Closed Valve

The Maxon 300CMA11-AA11-BB22A0 is a 3-inch, normally closed, electromechanical safety shut-off valve designed for natural gas applications. Engineered for rapid response and reliability, this valve ensures secure control over gas flow in industrial combustion systems.

Key Features

• Valve Size and Connection: 3-inch (DN80) ANSI flanged connection, facilitating easy integration into existing pipelines.
• Operation: Electromechanical actuator with a 6-second opening time, providing swift and efficient operation.
• Body Material: Constructed from durable cast iron, ensuring longevity and resistance to wear.
• Sealing Components: Features a 400 series stainless steel seat, hardened ductile iron disc, and PEEK follower ring, offering robust sealing and minimal leakage.
• Electrical Specifications: Operates on 115V AC at 60 Hz, with a current draw of 0.32A during holding and 1.7A during opening.
• Enclosure Rating: NEMA 4 rated, providing protection against environmental factors such as dust and water.
• Operating Pressure: Maximum operating pressure differential of 40 PSIG, suitable for various industrial applications.
• Temperature Range: Designed to function in ambient temperatures ranging from -20°F to 140°F (-29°C to 60°C).
• Safety Features: Equipped with two proof-of-open and two proof-of-closure switches, ensuring accurate valve position monitoring and enhanced safety.

Applications

The Maxon 300CMA11-AA11-BB22A0 is ideal for use in industrial combustion systems, including furnaces, ovens, and boilers, where reliable gas shut-off is critical for safety and operational efficiency.

Compliance and Certifications

This valve meets the Fluid Control Institute (FCI) 70-2 control valve standard for Class VI seat leakage and holds approvals from Factory Mutual (FM), Canadian Standards Association (CSA), Underwriters Laboratories (UL), and Conformité Européenne (CE), ensuring adherence to stringent safety and performance standards.

For detailed technical specifications and installation guidelines, please refer to the product manual.