LVR27A-600 Johnson Controls CRANK ARM

Overview

The Johnson Controls LVR27A-600 is a specialized pneumatic HVAC damper crank arm designed to interface between actuators and damper shafts. Engineered to facilitate reliable transmission of mechanical force within air distribution systems, this robust accessory provides an efficient connection method for environmental control systems in commercial buildings.

Features

• Designed for compatibility with 1/2-inch or 7/16-inch diameter damper shafts.
• Provides an adjustable radius to fine-tune mechanical linkage leverage.
• Sturdy construction suitable for high-demand building automation and pneumatic installations.
• Helps simplify field installation and conversion processes when configuring dampers.

Specifications

• Brand: Johnson Controls
• Part Number: LVR27A-600
• Adjustable Radius Range: 3/4 inch to 2-7/8 inches (adjustable up to 4-1/2 inches)
• Shaft Compatibility: 7/16 inch or 1/2 inch diameter damper shafts
• Subcategory: Damper and Actuator Accessories

Applications

The LVR27A-600 damper crank arm is primarily used in commercial HVAC systems to connect motor actuators or pneumatic drive assemblies to damper shafts. It is frequently employed in standard ventilation systems, air handling units, and zoning setups where automated control of fresh air delivery, air mixing, or duct volume regulation is required. It can also be paired with compatible linkages to linearize damper airflow characteristics or scale effective torque.