1" W.G. STATIC POS
[1/2"] [1"] [2"] [3"] [4"] [6"]

1995 SMACNA PER TABLE 1-4
WITH TIE-ROD OPTION
SNAPLOCK SEAM CONSTRUCTION

DUCT SIZE
GALV GUAGE
SMACNA CODE
JOINT
CONNECTION
FINISHED LENGTH

SINGLE
REINFORCEMENT

DOUBLE
REINFORCEMENT
0" - 12"
26
 
SD 59"    
13" - 18"
26
B
SSD-26 59"    
19" - 28"
26
C
SSD-22 59"    
29" - 36"
24
D
SSD-20 59"    
37" - 42"
24
E
BSSD-22GA 1 1/2" x 1/8" BAR 59"    
43" - 48"
26
E
BSSD-22GA 1 1/2" x 1/8" BAR 59" CTR  
49" - 60"
24
E
BSSD-22GA 1 1/2" x 1/8" BAR 59" CTR  
61" - 72"
22
F
BSSD-22GA 1 1/2" x 1/8" BAR 59"   DTR
73" - 84"
22
H
ASSD-20GA 2" x 1/8" ANGLE 59"   DTR
85" - 96"
20
H
ASSD-20GA 2" x 1/8" ANGLE 59"   DTR

Abbreviations:
SD = FLAT-S & DRIVE
SSD = STANDING-S & DRIVE
BSSD = BAR REINFORCED STANDING-S & DRIVE
ASSD = ANGLE REINFORCED STANDING-S & DRIVE
CTR = CENTER TIE ROD (TUBE WITH THREADED INSERT)
DTR = DOUBLE TIE ROD (TUBE WITH THREADED INSERT)

 


SMACNA T-1 Drive Slip
Used for Type SD Joint

SMACNA T-6 Hemmed "S"
Used for Type SD Joint

SMACNA T-14 Angle Reinforced
Standing "S"

Used for Type ASSD

Joint Connection

 


SMACNA T-11 Standing "S"
Used for Type SSD Joint

SMACNA T-13 Bar Reinforced
Standing "S"

Used for Type BSSD

Joint Connection

 

 

© Copyright 2005 Oil Capitol Sheet Metal, Inc. All Rights Reserved

Oil Capitol Sheet Metal Inc, Sheet Metal Work, Tulsa, OK