Three-quarter view of an orange direct-coupled HVAC damper actuator

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HVAC Damper Aktüatör

A compact rotary drive that clamps directly to a damper shaft and converts an electrical control signal into repeatable blade position or safety closure.

Universal Direct Shaft Clamp
Adjustable Mechanical End Stops
Manual Gear Release
On-Off Floating or Proportional Control

Alıntı isteği Browse ürünleri

Ürün tanıtımı

The HVAC damper actuator combines a reversible electric motor, reduction gear train, position electronics and universal shaft clamp in one sealed housing. It mounts directly on a round or square damper shaft, with an anti-rotation bracket preventing the body from turning. Adjustable stops limit the travel angle, while a manual release allows the blade position to be set during installation. Non-spring and spring-return versions support ordinary modulation, shut-off and selected safety-position duties.

Ana Özellikler

A universal clamp accepts common round and square shafts without a separate crank linkage.

Mechanical end stops define the usable rotation range and protect the damper linkage from overtravel.

Manual override disengages the gear train for blade positioning during installation or service.

Control variants cover two-position, three-point floating and proportional analog operation with optional feedback.

Müşteri Ürün Sorunları

Actuator reliability depends on correct torque, shaft geometry, travel direction, supply voltage and a fail-position strategy matched to the controlled damper.

The actuator reaches full torque but the damper still leaks because the blade bank needs more closing force.Required torque is calculated from blade area, differential pressure, seal drag and linkage efficiency before selecting the drive.

A loose shaft clamp slips after repeated reversals.A correctly sized self-centering clamp and anti-rotation bracket secure both the shaft and actuator housing.

The control signal opens the damper when the sequence expects closure.Selectable rotation direction and clearly set end stops align actuator travel with the blade position indication.

Loss of power leaves an isolation damper in an uncontrolled intermediate position.A spring-return model drives the shaft to the specified safety endpoint without relying on the controller.

Tipik uygulamalar

Volume control dampersOutside and return-air dampersVAV terminal bladesShut-off and isolation dampersFire and smoke damper drive systems

Teknik parametreler

Typical physical construction ranges for a direct-coupled rotary HVAC damper actuator are listed below.

Temel malzemeler	Glass-fiber-reinforced engineering polymer housing with steel gear train and universal steel shaft clamp
Panel kalınlığı	2.5–4.0 mm molded actuator housing wall
Effective Width (Etkili Genişlik)	100–180 mm typical actuator body width
Maksimum uzunluk	Up to 250 mm overall actuator body length including shaft clamp
Çelik yüz yüze kalınlığı	1.5–3.0 mm zinc-plated shaft clamp and anti-rotation bracket
Core Density (Çekirdek Yoğunluğu)	Approximately 1200–1400 kg/m³ for reinforced polymer housing material
Termal İletkenlik	Approximately 0.20–0.35 W/(m·K) for the reinforced polymer enclosure
Yüzey bitirme	Orange or black impact-resistant molded housing with zinc-plated clamp hardware
Ortak tip	Direct universal shaft clamp with anti-rotation bracket, adjustable stops and protected cable entry
Customization (Özelleşme)	Kullanılan uygulama ve çalışma ortamına göre kullanılabilir.

Mevcut Seçenekler

24 V or mains-voltage supplyNon-spring or spring-return mechanismOn-off, floating, 0–10 V or network controlAuxiliary switches and position feedback

Planning a HVAC Damper Actuator specification?

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