HVAC and Industrial Hose Products

Fitting Types


FLSOC - Straight Collar With Flange and Gasket

FLCSOC - Conical Collar With Flange & Gasket

HETO - Rectangular to Round Boot Fitting

Sheet Metal Fittings comply with SMACNA Construction Standards

Construction Details


Flange and Gasket fittings are constructed of 26/24 Ga Galvanized Steel. A 1" mounting flange is provided with a PSA gasket for easy installation and low leakage. See the data and submittal sheets for more information.

Sheet Metal Fittings comply with SMACNA Construction Standards

Flange & Gasket

Sheet Metal Fittings

Standard construction is 26 / 24 Ga. Galvanized.

Stainless Steel, Aluminum, other gauges and hardware configurations are available upon request.

Construction Details


Type                    Actual Diameter                      Length                Cut Hole Size

SOC        Nominal Duct Diameter less 1/8 inch       5.5"        Nominal Duct size less 1/4"

SOCD     Nominal Duct Diameter less 1/8 inch       5.5"        Nominal Duct size less 1/4"

CSOC      Nominal Duct Diameter less 1/8 inch       7.5"        Nominal Duct size plus 1 3/4"

CSOCD   Nominal Duct Diameter less 1/8 inch       10"         Nominal Duct size plus 1 3/4"

Fitting Types

SOC - Spin On Collar

CSOC - Conical Spin On Collar

SL    -    Connecting Collars

Options Available


Standard damper with handle and locking wingnut, Insulation Standoff with handle and locking wingnut


Spin In

Sheet Metal Fittings

Standard construction is 26 / 24 Ga. Galvanized.

Stainless Steel, Aluminum, other gauges and hardware configurations are available upon request.