Zone Valve Actuators

    Zone valve actuators are vital components in the hydronics category of products, serving as electric or pneumatic devices that control the opening and closing of zone valves in heating and cooling systems. These actuators are responsible for regulating the flow of hot or chilled water to specific zones or areas, allowing for individual temperature control and zoning in buildings. Zone valve actuators play a crucial role in maintaining energy efficiency and comfort, as they enable precise temperature regulation in different areas, depending on the heating or cooling demands. These actuators find widespread applications in HVAC systems, radiant heating systems, underfloor heating, and other hydronic systems, providing reliable and responsive control for various zones in residential, commercial, and industrial buildings.

    Honeywell and Siral are reputable brands known for their expertise in manufacturing high-quality zone valve actuators. These brands offer a wide range of electric and pneumatic actuators, tailored to meet the diverse needs of hydronics professionals. With their precision engineering and commitment to quality, Honeywell and Siral's zone valve actuators are trusted for their durability and performance. For those seeking dependable zone valve actuators for their projects, is a reliable supplier that stocks a comprehensive selection from these reputable brands, providing a convenient and trusted platform to access the necessary components for efficient zone control in hydronic systems.

Siral NDV24F Siral USA Non Fail-Safe, On-Off / Floating Point, 24 V Valve Actuator

Brand: Siral
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Siral USA Non Fail-Safe, On-Off / Floating Point, 24 V Valve Actuator

SignalOn/Off, Floating (3-Point)
Input Impedance600 ?
Voltage AC24 VAC 50/60 Hz ± 20%
Voltage DC24 VDC ±10%
Transformer2 VA (Class 2)
ConnectionTerminals, Plenum rated cable 18 GA: 3 Ft (1 m), 10 Ft (3 m)Terminals, Plenum rated cable 18 GA: 3 Ft (1 m), 10 Ft (3 m)
Runtime (Motor)90 seconds
Manual OverridePush-button
Rotation Angle90°, adjustable using Screwed tabs
Position IndicatorManual Knob
Noise35 dBA
ProtectionNEMA 1 / IP40
RatingUL94-5V (B)
Ambient-22°F to 122°F (-30°C to 50°C)
Storage-40°F to 176°F (-40°C to 80°C)
Humidity5 to 95% non-condensing
Feedback SignalN/A
Overload ProtectionElectronic overload protection
Consumption Running1 5 W
Consumption Holding0 2 W
Rotation DirectionDirection Switch
Product DetailsSiral USA Non Fail-Safe, On-Off / Floating Point, 24V Valve Actuator for use with 1/2" to 1 1/2" Siral Ball Valves
KEY FEATURES & BENEFITS• Powder Coated Aluminum Alloy Housing • NEMA 4/4X/IP67 Enclosure • Raised Position Indicator • ISO5211 Compliant Mounting • Internal Low Power Heater • Clutchless Manual Override • Self-Locking Drive • Permanently Lubricated • Thermally Protected Motor • 2 Auxiliary Switches • Silicone Free
OPTIONAL FEATURES• Interchangeable ISO5211 Mount • Interchangeable Drive Inserts • Positioners • Extended Duty Motors • 3 Position Control • Passive Analog Feedback • Torque Switches • Local Control Stations • 3 phase Motor Control Center • IP68 Submersible

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