Description
The Maxon 300CMA11BA11BB23A0 is a heavy-duty industrial gas valve engineered for reliable, safe shutoff in demanding combustion and general-purpose applications. Built around a cast iron body with Buna body O-rings and bumper, this 3-inch ANSI flanged valve delivers robust performance and long service life in commercial and industrial HVAC and burner systems.
Designed as a 2-way normally closed valve, it ensures fail-safe gas shutoff whenever power is removed — a critical safety feature for any combustion control system. The auto-reset function allows the valve to return to its ready state automatically after a safe condition is confirmed, minimizing downtime and manual intervention.
Key Features
- 3″ ANSI flanged connection for straightforward integration into standard piping systems
- CP (Characterized Port) flow capacity for precise, repeatable gas flow control
- Auto-reset operation for reduced manual intervention and faster system recovery
- 2-way, normally closed design ensures fail-safe shutoff on power loss
- General purpose configuration suitable for a wide range of combustion and process applications
- Buna body O-rings and bumper for durable, leak-resistant sealing
- Cast iron body construction for strength and longevity in industrial environments
- Internal Trim Package 1 for optimized internal flow and sealing performance
Electrical Specifications
- Solenoid Voltage: 115Vac, 60Hz
- Motor Voltage: 115Vac, 60Hz
Construction & Configuration
- Body Material: Cast Iron
- Seals: Buna (Nitrile) O-rings and bumper
- Connection Type: ANSI Flanged
- Valve Size: 3 inches
- Valve Type: 2-Way, Normally Closed
- Flow Capacity: CP (Characterized Port)
- Trim: Internal Trim Package 1
- Reset Type: Auto-reset
The Maxon 300CMA11BA11BB23A0 is the right choice for engineers and contractors who need a proven, code-compliant gas valve solution in burner management, process heating, and industrial combustion systems. Trust Maxon’s legacy of combustion control excellence in every application.







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