GERHMAN GLOBAL / PRODUCT COLLECTION
NRDR – backdraft damper for round ducts
ENGINEERED FOR YOUR PROJECT
Product at a glance
Explore NRDR – backdraft damper for round ducts for reverse-airflow prevention, with editable project information and downloadable technical documentation.
PRODUCT OVERVIEW
Designed for reverse-airflow prevention, NRDR – backdraft damper for round ducts supports coordinated mechanical and architectural planning. The product should be selected against the current technical documentation.
Application and product scope
The backdraft damper for round ducts is listed under Overflow units. It can be evaluated where its documented configuration matches the system layout, operating conditions and room or duct interface.
Supported product details
- Circular configuration for compatible round-duct or terminal layouts.
- Galvanised steel construction is referenced in the source documentation.
- Aluminium is referenced among the product construction details.
Selection and coordination
Selection should account for airflow duty, pressure conditions, system geometry and the available installation space. Check access needs, control interfaces and compatible accessories before the product schedule is released.
Technical documentation
Before approval, compare the product schedule with the current datasheet and drawings. Keep the exact model reference, selected size, finish and accessories together in the submittal package.
DOCUMENT CENTRE
Technical downloads
Access the latest locally stored product literature. Verify revision and technical data before specification.