Southwark Metal 13_16X8 Trunk Duct Angle 16x8 in 45 Deg

Product Description

The SOUTHWARK METAL 13_16X8 is a 45-degree flat Broadway trunk duct angle with a radius throat, fabricated from hot dip galvanized steel. It transitions a rectangular trunk duct at a 45-degree horizontal turn while maintaining the same cross-section on both ends: 16 inches x 8 inches inlet to 16 inches x 8 inches outlet. The radius throat design reduces turbulence and pressure drop at the turn. This fitting is used in sheet metal ductwork systems and is typically installed by licensed HVAC technicians and sheet metal fabricators working on forced-air heating and cooling distribution systems.

This trunk duct angle is suited for commercial and residential forced-air HVAC applications where a 45-degree directional change is required in a rectangular duct run. The flat Broadway profile is appropriate for installations with limited vertical clearance, such as below-floor joists or in tight mechanical chases. Both the inlet and outlet measure 16 inches x 8 inches, making this a straight-size transition with no reduction. It conforms to ACCA and SMACNA standards, which govern duct construction and performance requirements commonly specified on commercial mechanical drawings and residential load calculations.

Key Features

• 45-degree angle for horizontal directional changes in rectangular trunk duct runs
• Flat Broadway profile designed for low-clearance installations
• Radius throat construction reduces airflow turbulence and static pressure loss at the turn
• Hot dip galvanized steel construction for corrosion resistance in HVAC duct systems
• Equal inlet and outlet size: 16 inches x 8 inches on both ends
• Meets ACCA and SMACNA applicable standards for duct fittings

Compatibility

Designed as an OEM-style sheet metal fitting for rectangular trunk duct systems sized at 16 inches x 8 inches, conforming to ACCA and SMACNA construction standards.

Installation Notes

Installation should be performed by a licensed HVAC technician or qualified sheet metal worker in accordance with SMACNA duct construction standards and local mechanical codes. Power down the air handling unit before connecting or disconnecting any duct section. Secure the fitting to adjacent duct sections using sheet metal screws and seal all joints with UL 181-rated mastic or foil tape to maintain system pressure integrity. Do not exceed the duct system design static pressure for which this fitting is specified.

Technical Specifications

• Material: Hot Dip Galvanized Steel
• Angle: 45 degrees
• Size A: 16 inches x 8 inches
• Size B: 16 inches x 8 inches
• Type: Flat, Broadway, Radius Throat
• Applicable Standards: ACCA, SMACNA

Standard Information

• Brand: SOUTHWARK METAL
• Manufacturer Part Number: 13_16X8