FLAT OVAL DUCT AND FITTINGS - Airside · PDF fileflat oval duct and fittings legend fod ... oval to rectangular fost –saddle for – reducer foy – wye fitting s – slip (2”)

FLAT OVAL DUCT AND FITTINGS LEGEND FOD - FLAT OVAL DUCT FOE – ELBOW FOSET – OFFSET FOT – TEE FOS – COUPLING FOL – LATERAL FON – END CAP FOC -- CROSS FOTREC – OVAL TO RECTANGULAR FOST –SADDLE FOR – REDUCER FOY – WYE FITTING S – SLIP (2”) V – BODY LENGTH H – HEIGHT L – REDUCER LENGTH Z – DIMENSION OF OFFSET R - RADIUS MATERIAL GALVANIZED STEEL (consult manufacturer for other materials) DIMENSION The “A” dimension is what you see in the plan view. The “B” or second dimension is the hidden dimension. Eg: a 24 x12 OVE-90-5 is a “Hard Bend” or “Long Way” flat oval 90°

elbow a 12 x 24 OVE-90-5 is an “Easy Bend” or “Short Way” flat oval 90° elbow

When dimensions C x D, and/or E x F, and/or G x H are shown, the first dimension is the plan dimension. If a fitting end is round, use only one dimension. Conical fittings taper only on plan side. VANE CHART For mitered elbows and tees use the following chart if vanes are required. “A” Dimension Number of Vanes 3” - 9” 2 10” - 14” 3 15” – 19” 4 20” – 60” 5 60” and over 12” spacing 2

Major Axis

Minor Axis

ORDERING Specify type of fitting and list the following dimensions: ELBOWS - A,B TEES - A,B,(C,D,E,F) LATERALS - A,B,(C,D,E,F) CROSSES - A,B,C,D,(E,F,G,H) REDUCERS - A,B,C,D,(L,Z) OFFSETS - A,B,L,Z, The drawings shown are illustrative of the types of fittings manufactured. SPIDA does not recommend deviation from these. All fittings, unless noted, are male sized on each end for slip-joint assembly with Flat Oval Duct. Sizes shown are nominal. Flat oval positive and negative pressure ducts should meet the functional requirements of SMACNA Duct Performance Test Standard No. DPTS-2005". Vanstone or other proprietary connections are available. Consult your manufacturer.

FLAT OVAL DUCT & FITTING SIZES

STANDARD SIZES AVAILABLE

For 4” through 30” minor axis

← Minor Axis →

4 6 8 10 12 14 16 18 20 22 24 26 28 30

10 12 11 NOMINAL 13 12 11 MAJOR 15 14 13 AXIS 17 15 14 13 18 17 16 15 20 19 17 16 15 21 20 19 18 17 23 22 21 19 18 17 24 23 22 21 20 19 36 25 24 23 21 20 19 29 28 27 26 25 23 22 21 32 31 30 29 28 27 25 24 23 35 34 33 32 31 30 29 27 26 25 37 36 35 34 33 32 31 29 28 27 41 39 38 37 36 35 34 33 31 30 29 44 43 41 40 39 38 37 36 35 33 32 31 47 46 45 43 42 41 40 39 38 37 35 34 33 50 49 48 47 45 44 43 42 41 40 39 37 36 53 52 51 50 49 47 46 45 44 43 42 41 39 56 55 54 53 52 51 49 48 47 46 45 44 43 59 58 57 56 55 54 53 51 50 49 48 47 46 63 61 60 59 58 57 56 55 53 52 51 50 49 66 65 63 62 61 60 59 58 57 55 54 53 52 69 68 67 65 64 63 62 61 60 59 57 56 55 72 71 70 69 67 66 65 64 63 62 61 59 58 74 73 72 71 69 68 67 66 65 64 63 61 77 76 75 74 73 72 70 69 68 67 66 65 79 78 77 76 75 73 72 71 70 69 68 81 80 79 78 77 75 74 73 72 71 82 81 80 79 77 76 75 74 83 82 81 79 78 77 83 85 80 86 88 83 87

SPIDA FLAT OVAL FITTINGS

FOE-90-5 FOE-60-4 FOE-90-2 FOE-45-3 MITERED 90° FOE-(Angle)-(No. of Pieces) Specify with or R = A x 1.5 without vanes

R

A x B

S

S

A x B

S

S

FOT-1 FOT-1R

STRAIGHT TEE REDUCING TEE

A x B

SVS

S

o

90

E x F

A x B

SVS L

E x F

S

90°C x D


FOCON-T-1 FOCON-T-1R CONICAL TEE REDUCING CONICAL TEE

A x B

SVS

S

90°

E x F

A x B

SVS

E x F

C x D

S

90°

FOBT FOBTR

BULL HEAD TEE REDUCING BULL HEAD TEE Specify with or without Specify with or without Turning Vanes Turning Vanes

A x B

S S

A x B

A x B

S

V

A x B

L SS L

C x D E x F

V

S


FOL-1 FOL-1R LATERAL REDUCING LATERAL

A x B

SVS

E x F

45°

S

A x B

SVS

E x F

45°

S

L

C x D

…..indicates alternate method

FOCON-L-1 FOCON-L-1R CONICAL LATERAL REDUCING CONICAL LATERAL

A x B

SVS

E x F

45°

S

A x B

SVS

E x F

45°

S

C x D

L

…..indicates alternate method


FOC-2 FOC-2R CROSS REDUCING CROSS

A x B

SS

E x F

S

S

V

90°

G x H

A x B

SS

S

S

V LC x D

E x F

G x H

90°

FOCON-C-2 FOLC-2

CONICAL CROSS LATERAL CROSS

A x B

SS

E x F

S

S

V

90°

G x H

E x F

A x B

S

45°

S

S

G x H

V


FOSET FOTREC or FOTRND OFFSET OVAL to RECTANGULAR OVAL to ROUND

A x B

SS V

Z

A x B

SV

C x D

Z

Concentric construction is standard. If eccentric is required, provide “Z” dimension. Specify connection type on rectangular end. Specify Length “V”

FON-1 for Duct FOS-1 for Duct FON-2 for Fittings FOS-2 for Fittings

END CAP COUPLING

A x B

S

A x B

S S

A x B

2S


FOY FOREDY EQUAL Y BRANCH REDUCING Y BRANCH

S S

A x B

S

S S

A x B

C x D E x F

L

S

FOR FOER

CONCENTRIC REDUCER ECCENTRIC REDUCER Specify “Z” dimension Specify top up, down or flat

A x B

SS

C x D

L

A x B

SS

C x D

L

Z


FOST FOCST SADDLE TAP CONICAL SADDLE TAP Specify Minor Axis (2xR) Specify Minor Axis (2xR)

R

A x B B x A

S

R

SS

A x B B x A

FOGBT FOLST

GRILLE BOX TAP LATERAL SADDLE TAP Specify Minor Axis (2xR) Specify Minor Axis (2xR)

R

A x B B x A

1"

45*

SA x B

R

B x A

FOR A COMPARISON OF ROUND SPIRAL, FLAT OVAL AND RECTANGULAR DUCTWORK, REQUEST SPIDA’S FREE

“DESIGNERS GUIDE”.

FOR A LIST OF MEMBER COMPANIES OR FOR MORE INFORMATION, VISIT OUR WEBSITE

@ WWW.SPIDA.ORG

SPIRAL DUCT MANUFACTURERS ASSOCIATION P.O BOX 1665 IRMO, SC. 29063

Ver.2008 rev 1.0

Documents

FLAT OVAL DUCT AND FITTINGS - Airside · PDF fileflat oval duct and fittings legend fod ... oval to rectangular fost –saddle for – reducer foy – wye fitting s – slip (2”)