Electric Linear Valve Actuator Honeywell ML7421B3003

Description

The Electric Linear Valve Actuator Honeywell ML7421B3003 is a high-performance actuator designed for precise modulation in heating, ventilation, and air conditioning (HVAC) systems. Built to operate seamlessly with Honeywell’s standard valves, it provides reliable and maintenance-free operation with advanced features that simplify installation and ensure robust performance.

Key Features:

• Quick Installation: No separate linkage or complex adjustments required.
• Versatile Input Signals: Supports analog inputs (0-10 Vdc, 2-10 Vdc, 0-20 mA, or 4-20 mA) for flexible integration.
• Manual Operation: Includes a manual operator for emergencies during power failure.
• Position Feedback: Built-in feedback for precise stroke indication.
• Force-Limiting End Switches: Protects motor and valves from overloading.
• Corrosion-Resistant Design: Ensures long-term durability.
• Selectable Fail-Safe Positions: Customizable stroke position in case of signal failure.
• Synchronous Motor Drive: Provides smooth and reliable movement of the actuator stem.
• Quiet Operation: Low noise level ≤ 45 dB(A).

Specifications:

• Supply Voltage: 24 Vac ±10% (50/60 Hz)
• Power Consumption: 16 VA
• Stroke Length: 38 mm
• Nominal Stem Force: 1800 N
• Operating Temperature Range: -10°C to +50°C (up to 220°C with optional high-temperature kit)
• Protection Class: IP54 (dust and splash-resistant)
• Material: Flame-retardant ABS housing with aluminum diecast yoke and base
• Weight: 2.0 kg
• Dimensions: 204 x 301 x 430 mm (L x W x H)

Applications:

The ML7421B3003 is ideal for modulating control in HVAC systems across commercial and industrial buildings. It ensures efficient operation of two-way and three-way valves, supporting critical climate control processes.

Accessories (Optional):

1. Auxiliary Switch Kit: Adjustable switching points for stroke indication or pump control.
2. High-Temperature Kit: For valves exposed to medium temperatures up to 220°C.