Mar 29, 2024 · A non-return damper or NRD only allows air to flow in one direction. In HVAC, non-return dampers are mostly found either before or after ventilation fans, especially for fans with …

Volume Control Damper (VCD) technology in HVAC systems involves using dampers designed to control and regulate airflow within the heating, ventilation, and air conditioning systems. These …

Non-Return Dampers are used to ensure air travels in one direction only and stop air being drawn into a system when the system is not in use. Volume Control Dampers are designed to …

Our Aluminium interlocking Blades are constructed with durable 6063 T5/T6 aluminium to a maximum length of 1200mm for VCD’s. Their 1.8mm thick edge is designed for minimal airflow …

The NRD and PRD are high integrity dampers designed to meet the demanding requirements of the HVAC markets where corrosion resistance, mechanical integrity and performance are …

Van NRD – Non Return Damper, là loại van gió 1 chiều. Van gió 1 chiều NRD có thiết kế khá giống với van VCD. Tuy nhiên, van VCD chỉ cho dòng không khí đi theo 1 chiều cố định. Khi …

Volume Control Damper is widely used in heating, ventilation and air-conditioning applications in order to maintain or control the air volume inside the duct. These dampers facilitate the air flow …

An essential component that plays a pivotal role in the HVAC systems' effectiveness is the Volume Control Damper (VCD). These devices are integral to managing and regulating airflow …

A non return damper is designed to prevent air to flow through undesired / unwanted direction. In system operation mode, the blades of NRD opens letting air flows through. Else in non …

TECNALCO models VCD-‘TR’/ ‘TR’- H are round volume control dampers designed to access easily with circular ducts. In these models the controlling blade is made of galvanised sheet …