Marshall Excelsior ME207 Air Actuator for 3" Double Flange Internal Valves

The Marshall Excelsior ME207 Air Actuator is engineered for robust performance in the most demanding environments. Designed to fit 3-inch double flange internal valves, this actuator is ideal for remote locations or direct operation off the air brake system in bobtail or transport applications.

Key Features:

• Heavy-Duty Construction: Built with a stainless steel frame to withstand tough conditions.
• Smooth Operation: The cam mechanism ensures smooth opening of the internal valve lever when air, nitrogen, or carbon dioxide is applied.
• Automatic Closure: The internal valve automatically closes when pressure is released.
• Thermal Protection: Factory-provided thermal plug melts at 212°F (100°C) to release pressure and close the valve in case of fire.
• No Modifications Required: Comes with all necessary hardware for easy installation.
• Spring Return Design: Eliminates the need for an air return.

Specifications:

• Actuator Type: #9 Chamber
• Fits MEC Models: ME990S-3DF & ME990S-3DFM
• Fits Fisher Models: C403-24 & C483-24 Series
• Pressure Rating: 20 to 125 PSIG (138 to 862 KPa)
• Recommended Operating Pressure: 20-25 PSIG (138-173 KPa)
• Operating Temperature: -60°F to 250°F (-51°C to 121°C)
• Material: Stainless Steel
• Approximate Weight: 3.3 kg (7.3 lbs)