1 Single Wall Round Spiral Duct and Fittings Construction Standards Air Distribution Corporation Air Distribution Corporation Spiral Duct and Fittings are manufactured in accordance with applicable SMACNA, ASHRAE and SPIDA standards. Gauge Schedule Size Dia. Spiral Pipe 3” - 16” 26 18” - 26” 24 28” - 40” 22 42” - 50” 20 52” - 84” 18 Gauge Schedule Size Dia. Fittings 3” - 12” 26 14” - 24” 24 26” - 36” 22 38” - 48” 20 50” - 84” 18 Aluminum Thickness Size Dia. Spiral Pipe 3” - 14” .032 16” - 26” .040 28” - 36” .050 38” - 50” .063 52” - 60” NA Aluminum Thickness Size Dia. Fittings 3” - 14” .040 16” - 26” .050 28” - 36” .063 38” - 50” .071 52” - 60” .090 Galvanized or Stainless Steel Gauge Table for 2005 SMACNA Duct Standard up to 10” W.G. Static Pressure Up to 2” W.G. Fittings conform to SMACNA seal Class “C” construction Up to 10” W.G. Fittings conform to SMACNA seal Class “A” construction Fittings conform to SMACNA seal Class “C” construction Gauge Galvanized Steel Stainless Steel (304 or 316) Aluminum 3003-H14 Nominal Thickness (inches) Nominal Weight (lb/sq ft) Nominal Thickness (inches) Nominal Weight (lb/sq ft) Nominal Thickness (inches) Nominal Weight (lb/sq ft) 26 0.0217 0.906 0.0188 0.788 0.025 0.356 24 0.0276 1.156 0.0250 1.050 0.032 0.456 22 0.0336 1.406 0.0313 1.313 0.040 0.570 20 0.0396 1.656 0.0375 1.575 0.050 0.713 18 0.0516 2.156 0.0500 2.100 0.063 0.898 16 0.0635 2.656 0.0625 2.625 0.080 1.140 Thickness/Weight Relationships of Standard Materials ASTM Material Specifications Standard Material ASTM Number Galvanized Steel A653, A924 Stainless Steel A240 Aluminum B209 Aluminum Gauge Table for 2005 SMACNA Duct Standard up to + 2” W.G. & - 2” W.G. Static Pressure
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Spiral Duct and Fittings Construction Standards2" Spiral Pipe - Customer specified duct length shall be flange face to flange face dimension. #10 Tek Screw Screws by Others Space 6”
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Single Wall Round
Spiral Duct and Fittings Construction StandardsAir Distribution Corporation
Air Distribution Corporation Spiral Duct and Fittings are manufactured in accordance with applicable SMACNA, ASHRAE and SPIDA standards.
Thickness/Weight Relationships of Standard Materials
ASTM Material SpecificationsStandard Material ASTM Number
Galvanized Steel A653, A924
Stainless Steel A240
Aluminum B209
Aluminum Gauge Table for 2005 SMACNA Duct Standard up to + 2” W.G. & - 2” W.G. Static Pressure
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Single Wall Round
Dimensional Code & Ordering InformationAir Distribution Corporation
DIMENSIONING CODEAll dimensions are in inches, all angles are in degreesA - Main barrel inlet diameterB - Main barrel outlet diameterC or D - Branch tap diameter (Note: On tee and lateral fittings with two taps, C
is the branch closest to the inlet of the fitting. On cross fittings, C is thelarger of the two taps.
R - Center Line RadiusV - Body length of fittingH - See Loloss Tee
ORDERINGSpecify type of fittings and list the following dimensions:ELBOWS - A, RTEES - A, C, (B, D)LATERALS - A, C, (B, D)CROSSES - A, C, D, (B)ACCESSORIES - As Noted
All fittings, unless noted, are sized as a male part on each end for a slip jointassembly with spiral pipe.
For flanged fittings see connectors detail for all dimensioning.
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Single Wall Round
Air Distribution CorporationELBOWS
R=1.5 x A
A
2”
90°
R=1.5 x A
A
2”
90°
R=1.5 x A
R=1.5 x A
A
A
A
2”
45°
45°
2”
2”
2”
2”
90° DIE STAMPED ELBOW3” DIA. THRU 12” DIA.E90P
45° DIE STAMPED ELBOW3” DIA. THRU 12” DIA.E45P
90° 5-PC ELBOWE905
45° 3-PC ELBOWE453
CUSTOM ELBOWXELB
R=1.5 x A
A
*
2”
A No. ofvanes
3-9 210-14 315-19 420-60 5
*SPECIFY (Elbow Angle & Radius of Centerline
90° 2-PC MITRED ELBOWEM90
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Single Wall Round
Air Distribution Corporation
C
V=C+4”
A
2”
2”
2” 2”
2”
C
D D
V=C+4”A
2”
2”
2” 2”
2”
C
V=C+4”
A B
2”
2”
2”
2”
L
2”
C
V=C+4”A B
2”
2”
2”
2”
L
2”
L= A - B4” MINIMUM
L= A - B4” MINIMUM
C > D C > D
STRAIGHT TEET
REDUCING TEETR
REDUCING TEE CROSSTXR
TEE CROSSTX
STRAIGHT TEES
4” 4”
4” 4”
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Single Wall Round
Air Distribution CorporationCONICAL TEES
C
V=C+6”
4” 1” 1”
2”
2”
2” 2”
2”
V=C+6
AA B2”
2”
2”
L
L
2”
C
4” 1” 1”
2”
V=C+6A B2”
2”
2”
2”
C
4” 1” 1”
2”
C
D D
V=C+6”
4” 1” 1”
2”
2”
2” 2”
2”
A
1”1” 1”1”
L= A - B4” MINIMUM
L= A - B4” MINIMUM
C > D C > D
CONICAL TEETC
REDUCING CONICAL TEETCR
REDUCING CONICAL TEE CROSSTXCR
CONICAL TEE CROSSTXC
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Single Wall Round
Air Distribution CorporationSTRAIGHT LATERAL
C
V=(Cx1.414)+4”
A
2”
2” 2”
2” 2”
2”
A
2” 2”
A B
2”
2”
L
B
2”
L
L= A - B4” MINIMUM
L= A - B4” MINIMUM
C > D C > D
45° LATERALL
45° REDUCING LATERALLR
45° REDUCING LATERAL CROSSLXR
45° LATERAL CROSSLX
V=(Cx1.414)+4”
C
2” 2”
V=(Cx1.414)+4”
C
D
2”
4”
2”
2”
2”
A
2”
V=(Cx1.414)+4”
C
D
2”
4”
2”
2”
2”
4” 4”
4” 4”
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Single Wall Round
Air Distribution CorporationLOLOSS TEES
C
V=C+H+4”
A
2”
2”2” 2”2”
A
B
H
H
C
V=C+H+4”A
2”
2”
2”2” 2”2”H
D
H
C
L
2”
2”2” 2”H
H
2”
B
L2”
L= A - B4” MINIMUM
L= A - B4” MINIMUM
C > D C > D
LOLOSS TEETL
REDUCING LOLOSS TEETLR
REDUCING LOLOSS TEE CROSSTLXR
LOLOSS TEE CROSSTLX
V=C+H+4”
H
C
V=C+H+4”A
2”
2”
2”2” 2”H
D
H
H
C H3 thru 8
9 thru 1617 thru 2627 and up
C H3 thru 8
9 thru 1617 thru 2627 and up
C, D H3 thru 8
9 thru 1617 thru 2627 and up
C, D H3 thru 8
9 thru 1617 thru 2627 and up
4”6”
10”12”
4”6”
10”12”
4”6”
10”12”
4”6”
10”12”
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Single Wall Round
Air Distribution CorporationMISCELLANEOUS
CONCENTRIC REDUCER ECCENTRIC REDUCERRE
PIPE COUPLING MALE FITTING COUPLING
A AB
V
B
AA
A
2”
2”2”2” 2”
2” 2” 2” 2”V
V=A-B4” MINIMUM
V=A-B4” MINIMUM
FCLNP
ROUND BALANCING DAMPERRBD
2”
A
8”
2”
RC
END CAPES
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Single Wall Round
Air Distribution CorporationMISCELLANEOUS
OFFSETZ
ROUND TO ROUNDZR
TAPERED Y BRANCH
BULLHEAD TEE REDUCING BULLHEAD TEETBVR
A
V
V=A+4"
A
2"
2"2"
Z
V STANDARD = 2 x A V STANDARD = 2 x A
C
A
2"
D
45°
2"
2"
V=A+4"
A
L2L1
2"
2"
2"2"
C D
L2= A - D4” MINIMUM
L1= A - C4” MINIMUM
A No. ofvanes
3-7 18-10 3
10-60 5
A No. ofvanes
3-7 18-10 3
10-60 5
45°
4”
A
B
Z V
2"
2"
Y
Z
O
2"
2"
AA
BULLHEAD VEE
2"
BV
2"
B
A
C
2”
2”2”
RL RR
BT
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Single Wall Round
Air Distribution CorporationTRANSITIONS
B
V
2”
2”
C x DC
D
CONCENTRIC RECTANGULAR TO ROUNDRTR-C
V
2”
2”
C
D
NON-CONCENTRIC RECTANGULAR TO ROUNDRTR-NC
B
C x D
O2
O1
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1/2
Single Wall Round
Air Distribution CorporationROUND TAPS
C
2”
H
C
4”
1”
C
A
A
½”
½”
A
½”
A
½”
C2”
A = PIPE DIAMETER
A = PIPE DIAMETERA = PIPE DIAMETER
A = PIPE DIAMETER
C H3 thru 8
9 thru 1617 thru 2627 and up
4”
4”6”10”12”
2”
4”2”
START TAPSBELLMOUTH START TAPBL
CONICAL START TAPCT
B
C
A
R
B = A + 4 B = A + 2
A
2”
B
STRAIGHT TAPDST
CONICAL TAPCST
LATERAL TAP 45°LST
LOLOSS TAPHEST
< 18” Dia, C = 6”> 18” Dia, C = 3”
3”
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A = Pipe DiameterB & C Are Inside Dimensions
Single Wall Round
Air Distribution CorporationRECTANGULAR TAPS
4”
BC
4”
BC
4”
BC
1”
45RST-R
1” 1”
45RST-TI 45RST-TO
A = Pipe DiameterBody Height = 6”
A = Pipe DiameterBody Height = 6”
A = Pipe DiameterB & C Are Inside DimensionsBody Height = 6”
6”
CB
2”
6”
CB
2”
6”
CB
2”
RST-R RST-TI RST-TO
A = Pipe Diameter A = Pipe Diameter
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Single Wall Round
Air Distribution CorporationCONNECTORS
Slip Fit Connection
Accuflange® Connection
SIDE VIEW PIPE
1-3/8"
3/8"
2"
Spiral Pipe - Customer specified duct length shall be flange face to flange face dimension.
#10 Tek ScrewScrews by OthersSpace 6” O.C.
#8 Tek Screw or largerSpace 10” O.C.
5/16” thick by3/4” wide closedcell neoprenegasket by others.