Siemens 331-4821 Number 3 Pneumatic Damper Actuator 2-3/4 Stroke 8 to 13 psi

Product Description

The Siemens 331-4821 is a Number 3 Pneumatic Damper Actuator designed for precise control in various HVAC applications. This actuator features a two and three-fourths inch stroke and operates within an eight to thirteen psi spring range. It is ideal for controlling fire/smoke rated dampers or air valves, as well as for unit ventilators and air handlers.

• Extended shaft mounting options
• Compact and modular design
• Constructed with all metal body materials

Product Highlights

This actuator model provides versatility and reliability for modulating or two-position actuation.

Product Information

Standard Information

• Brand: Siemens
• MPN: 331-4821

Technical Specifications

• Stroke: 2-3/4 inches
• Pressure Range: 8 to 13 psi
• Weight: 3.25 pounds
• Shipping Depth: 10.6 inches
• Shipping Width: 4.8 inches
• Shipping Height: 4.8 inches
• Compatibility: Works with #3 Actuators
• Mounting Type: Extended Shaft