Spiral Duct and Fittings Construction Standards

[Pages:15]Single Wall Round

Air Distribution Corporation

Spiral Duct and Fittings Construction Standards

Air Distribution Corporation Spiral Duct and Fittings are manufactured in accordance with applicable SMACNA, ASHRAE and SPIDA standards.

Galvanized or Stainless Steel Gauge Table for 2005 SMACNA Duct Standard up to 10" W.G. Static Pressure

Gauge Schedule

Gauge Schedule

Size Dia.

Spiral Pipe

Size Dia.

Fittings

3" - 16"

26

3" - 12"

26

18" - 26"

24

14" - 24"

24

28" - 40"

22

26" - 36"

22

42" - 50"

20

38" - 48"

20

52" - 84"

18

50" - 84"

18

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

Aluminum Gauge Table for 2005 SMACNA Duct Standard up to + 2" W.G. & - 2" W.G. Static Pressure

Aluminum Thickness

Size Dia.

Spiral Pipe

Aluminum Thickness

Size Dia.

Fittings

3" - 14"

.032

3" - 14"

.040

16" - 26"

.040

28" - 36"

.050

16" - 26"

.050

28" - 36"

.063

38" - 50"

.063

38" - 50"

.071

52" - 60"

NA

52" - 60"

.090

Fittings conform to SMACNA seal Class "C" construction

Gauge

26 24 22 20 18 16

Thickness/Weight Relationships of Standard Materials

Galvanized Steel

Nominal Thickness (inches)

0.0217 0.0276 0.0336 0.0396 0.0516 0.0635

Nominal Weight (lb/sq ft)

0.906 1.156 1.406 1.656 2.156 2.656

Stainless Steel (304 or 316)

Nominal Thickness (inches)

Nominal Weight (lb/sq ft)

0.0188

0.788

0.0250

1.050

0.0313

1.313

0.0375

1.575

0.0500

2.100

0.0625

2.625

Aluminum 3003-H14

Nominal Thickness (inches)

Nominal Weight (lb/sq ft)

0.025

0.356

0.032

0.456

0.040

0.570

0.050

0.713

0.063

0.898

0.080

1.140

ASTM Material Specifications

Standard Material

ASTM Number

Galvanized Steel

A653, A924

Stainless Steel

A240

Aluminum

B209

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Single Wall Round

Dimensional Code & Ordering Information

DIMENSIONING CODE

All dimensions are in inches, all angles are in degrees A - Main barrel inlet diameter B - Main barrel outlet diameter C 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 the larger of the two taps. R - Center Line Radius V - Body length of fitting H - See Loloss Tee

ORDERING

Specify type of fittings and list the following dimensions:

ELBOWS

- A, R

TEES

- 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 joint assembly with spiral pipe.

For flanged fittings see connectors detail for all dimensioning.

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Air Distribution Corporation

90? DIE STAMPED ELBOW 3" DIA. THRU 12" DIA.

E90P

2" A

Single Wall Round

ELBOWS

45? DIE STAMPED ELBOW 3" DIA. THRU 12" DIA.

E45P

2" A

90?

45?

90? 5-PC ELBOW

E905

R=1.5 x A

2" A

45? 3-PC ELBOW

E453

R=1.5 x A

2" A

90?

45?

R=1.5 x A

R=1.5 x A

90? 2-PC MITRED ELBOW

EM90

2" 2" 2"

A

No. of vanes

3-9 2

10-14 3

15-19 4

20-60 5

2"

CUSTOM ELBOW

XELB

A

*

R=1.5 x A

A

*SPECIFY (Elbow Angle & Radius of Centerline

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STRAIGHT TEE

T

2" 4"

2"

A

C

2"

2"

V=C+4"

2"

Single Wall Round

STRAIGHT TEES

REDUCING TEE

TR

C

2" 4"

2"

A

L= A - B 4" MINIMUM

2" 2"

B

2"

V=C+4"

L

TEE CROSS

TX

C

2" 4"

2"

2"

A

V=C+4"

REDUCING TEE CROSS

TXR

C

2" 4"

L= A - B 4" MINIMUM

2"

2"

2"

A

V=C+4"

B

2"

2"

2"

D

D

C>D

L

C>D 4

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CONICAL TEE

TC

C

2"

4" 1"

1"

2"

2"

A

2"

V=C+6"

2"

Single Wall Round

CONICAL TEES

REDUCING CONICAL TEE

TCR

C

2"

4" 1"

2"

A

L= A - B 4" MINIMUM

1" 2"

2"

B

2"

V=C+6

L

CONICAL TEE CROSS

TXC

C

2"

4" 1"

1"

2"

2"

A

V=C+6"

2" 1"

1" 2"

C>D

D

REDUCING CONICAL TEE CROSS

TXCR

C

2"

4" 1"

1"

2"

2"

A

V=C+6

L= A - B 4" MINIMUM

2"

B

2" 1"

1" L

C>D

D

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45? LATERAL

L

Single Wall Round

STRAIGHT LATERAL

45? REDUCING LATERAL

LR

L= A - B 4" MINIMUM

2"

C

2"

C

4"

2"

2"

A

2"

A

4" 2"

2"

B

2"

V=(Cx1.414)+4"

2"

2"

V=(Cx1.414)+4"

L

45? LATERAL CROSS

LX

2"

C

4"

2"

2"

A

V=(Cx1.414)+4"

2"

C>D

2" 4"

D

2"

45? REDUCING LATERAL CROSS

LXR

2"

L= A - B 4" MINIMUM

C

4"

2"

2"

A

V=(Cx1.414)+4"

2"

B

2"

4"

L

C>D

2"

D

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LOLOSS TEE

TL

H 2" 2"

C

2" H 2" 2"

A

Single Wall Round

LOLOSS TEES

REDUCING LOLOSS TEE

TLR

H

C

L= A - B 4" MINIMUM

2"

2" 2"

H 2" L

2"

A

B

V=C+H+4"

LOLOSS TEE CROSS

TLX

H

C

C

H

3 thru 8 4"

9 thru 16 6"

17 thru 26 10"

27 and up 12"

2"

V=C+H+4"

REDUCING LOLOSS TEE CROSS

TLXR

H

C

C

H

3 thru 8 4"

9 thru 16 6"

17 thru 26 10"

27 and up 12"

L= A - B 4" MINIMUM

2"

2" 2"

H 2" 2"

2" 2"

H 2" L

2"

A

V=C+H+4"

A

V=C+H+4"

B

C, D H 3 thru 8 4" 9 thru 16 6" 17 thru 26 10" 27 and up 12"

H 2"

D C>D

C>D

H

2"

C, D H

D

3 thru 8 4"

9 thru 16 6"

17 thru 26 10"

27 and up 12"

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Air Distribution Corporation

CONCENTRIC REDUCER

RC

2"

V

Single Wall Round

MISCELLANEOUS

V=A-B 4" MINIMUM

2"

ECCENTRIC REDUCER

RE

2"

V

V=A-B 4" MINIMUM

2"

A

B

A

B

PIPE COUPLING MALE

NP

2" 2"

A

FITTING COUPLING

FCL

2" 2"

A

ROUND BALANCING DAMPER

RBD

END CAP

ES

8"

2"

A

A

2"

2"

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