Product Characteristics
Description
NP Male Coupling (NS) – Internal Duct Connector for Circular Systems
The NP Male Coupling (NS) is a durable and reliable fitting designed to join circular ductwork in HVAC systems. Engineered for use with both spiral and plain round ducts, it provides a secure internal connection that ensures efficient airflow and a clean, professional installation.
Key Benefits
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Quick & Simple Installation
The coupling is fitted by inserting both ends into adjoining ducts up to the central stop, ensuring accurate alignment and fast installation. -
Secure Internal Joint
Designed as an internal connector, it creates a neat and unobtrusive joint while maintaining consistent internal airflow. -
Reliable Mechanical Fixing
Easily secured using self-drilling screws or rivets, providing a strong and stable connection. -
Improved Airtightness Options
Airtightness can be enhanced up to Class B by applying sealing tapes such as TAL, MET, or DUCT. -
Wide Range of Sizes
Available in diameters from small to large (approx. Ø80 mm to Ø1600 mm), suitable for various HVAC applications.
Applications
- Joining spiral ductwork
- Connecting plain round ducts
- HVAC and ventilation systems
- Commercial and industrial air distribution networks
Product Features
- Internal male coupling with central stop
- Designed for round duct systems
- Lightweight but strong construction
- Easy push-fit installation method
- Multiple material and size options available