Call us at: 619.422.5515

Duct Construction


Round Fittings


Shop Standards for Round Duct Constructionround-fittings-3
(Click on Standard to View or Print)

SMACNA DCS 3rd Edition 2005
SMACNA DCS 2nd Edition 1995

Available Materials

Galvanized
Stainless Steel
Aluminumround-fittings-1
PVS Coated
Paintlock
Double Wall (Solid or Perforated Inner)
Black Iron (Welded Pipe and Fittings)

Available Joint Connectors

Slip/Coupling
Crimped
Spiralmate
DuraFlange
Companion Flange
Weldedround-fittings-2

Our Production Department is dedicated to maintaining a large inventory of galvanized, low pressure fittings, such as Twyes, Tapers, Elbows, Start Collars, Dampers, and Damper Sections for will-call or delivery, ranging from 4″ to 24″ round.


Spiral Pipe


Our Spiral pipe shop is capable of running these materials in gauges ranging from 28 to 18.spiral-pipe-1

Spiral pipe can be ordered cut-to-length in sizes ranging from 1′ to 24′.

Low pressure galvanized spiral pipe is stocked in sizes ranging from 4″ to 24″ round.

Smooth Wall Spiral Pipe is available in sizes 4″ to 72″.  It is in stock in 4″ to 14″.

Corrugated Wall Spiral Pipe is available in sizes 9″ to 72″ round.  It is in stock in sizes 16″ to 24″ round.

Stock spiral pipe comes with raw ends for use with small end fittings and couplers.  It can also be ordered with a crimp on one end if preferred.


Rectangular Duct


Shop Standards for Rectangular Duct Construction
(Click on Standard to View or Print)

SMACNA DCS 3rd Edition 2005rectangular-duct-1
SMACNA DCS 2nd Edition 1995

Available Materials

Galvanized
Black Iron
Stainless Steel
Aluminum
PVS Coated
Paintlock
Double Wall (Solid or Perforated Inner)rectangular-duct-3

Available Joint Connectors

S & Drive
TDF
Ductmate – 35 & 45
G-lock
Welded


Flat Oval


Shop Standards for Flat Oval Duct Constructionflat-oval-2
(Click on Standard to View or Print)

Low Pressure                           Medium Pressure
(+2″WG)                                        (+4″WG)

LP 06 minor                               MP 06 minor
LP 08 minor                               MP 08 minor
LP 10 minor                               MP 10 minor
LP 12 minor                               MP 12 minor
LP 14 minor                               MP 14 minor
LP 16 minor                               MP 16 minor
LP 18 minor                               MP 18 minor
LP 20 minor                               MP 20 minor
LP 22 minor                               MP 22 minor
LP 24 minor                               MP 24 minor

Available Materials

Galvanized
Stainless Steel
Aluminum
PVS Coated
Paintlock
Double Wall (Solid or Perforated Inner)
Black Iron (Welded Pipe and Fittings)

Available Joint Connectors

Slip/Coupling
Ovalmate
DuraFlange
Welded