Marshall Excelsior ME208SF Air Actuator for 4" Single Flanged Internal Valves

The Marshall Excelsior ME208SF Air Actuator is engineered for robust performance in the most demanding environments. Designed to fit the ME990-4F and Fisher® C404-32 & C484-32 Series 4-inch single flanged internal valves, this actuator ensures reliable remote operation using air, nitrogen, or carbon dioxide.

Key Features:

• Heavy-Duty Stainless Steel Frame: Built to withstand tough conditions.
• Smooth Acting Cam: Opens the internal valve lever when pressure is applied.
• Automatic Closure: Valve closes automatically when pressure is released.
• Thermal Safety Plug: Melts at 212°F (100°C) to release pressure and close the valve in case of fire.
• No Modifications Required: All necessary installation hardware included.
• Actuator Type: #24 Chamber
• Operating Pressure Limits:
  • Minimum: 20 PSIG (1.4 bar)
  • Maximum: 125 PSIG (8.6 bar)
  • Recommended: 20-25 PSIG (1.4-1.7 bar)

Specifications:

• Fits MEC: ME990-4F
• Fits Fisher®: C404-32 & C484-32 Series
• Internal Valve: 4" Single Flange
• Operating Temperature: Thermal plug melts at 212°F (100°C)