01 Single Wall Catalog

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Wereservetherighttomakechangeswithoutpriornotice.Therefore,alldesigns,specifications,andproductfeaturesaresubject tochangewithoutnotice.Thecompanyanditsproductsareprotectedbypatentsandregisteredtrademarks.2015Allrightsreserved.

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l indab | single wall safe



Table of Contents

Spiral Duct SR.......................................................... 13 Elbows BSU 90.................................................. 14 BSFU 90................................................ 14 BU 90.................................................... 15 BFU 90.................................................. 15 BU 60.................................................... 16 BFU 60.................................................. 16 BSU 45.................................................. 17 BSFU 45................................................ 17 BU 45.................................................... 18 BFU 45.................................................. 18 BU 30.................................................... 19 BFU 30.................................................. 19 BU 15.................................................... 20 BFU 15.................................................. 20 BMU...................................................... 21 BMVU.................................................... 21 Reducers RCU....................................................... 22 RCFU..................................................... 23 RCLU/RLU......................... 24 RCLFU/RLFU........................................ 25 Taps TBSU/TBSRU......................................... 26 PSU....................................................... 27 PSVU45/PSVUF45................................ 28 PSCU/CTFU............ 29 Tees/Crossing Tees BHTU/BHTRU........................................ 30 TBU/TBRU.............................................. 31 XBU/XBRU.............................................. 32 TCCU /TCCRU....................................... 33

more Tees/Crossing Tees XCCU/XCCRU........................................ 34 TCPU/TCPRU...... 35 XCPU/XCPRU........................................ 36 TVU45/TVRU45...................................... 37 XVU45/XVRU45...................................... 38 Y-Branch YVU45..................................................... 39 Offsets OSETU.. 40 Couplings NPU/MF.................................................. 41 End Caps ESU/EPF................................................. 42 Take-offs ILU/ILRU.................................................. 43 Dampers DRU........................................................ 44 DSU/DSWU................................................ 45 DSILU/DSILRU.... 46 DSPSU...... 47 DTU........................................................ 48 Square to Round RRTU..... 49

Diagram Nomenclature............... 4Nomenclature Definitions........ 5Lindab Safe Connection ........... 6Duct System Leakage Classification..... 7Assembly Instructions......... 8

Conversion Chart: Rect to Round...... 9 Specification................. 10Tolerance, Gauge & e-dimension....... 11Spiral Tolerance............ 12Slip Dimension Fittings.......... 12

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Diagram Abbreviations and Ordering

Nominal inside diameter (duct size) ....................... D

Nominal outside diameter (fitting size) ............... d1, d2, d3, d4

Material thickness (gauge) ...................................... t

Installed height ........................................................ H

Center line radius .................................................... rc

Installed length ........................................................ L

Fitting slip dimension ....................... e

All measurements in inches (in or ") unless otherwise noted.

All angles in degrees ().

Ordering example: RCU-07-05

d1 d2 L

(inch) (inch) (inch)5 3 25 4 26 3 36 4 27 4 37 5 3

7 6 2

installed length

nominal diameters added to order code

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Nomenclature Abbreviations

END CONNECTION Gasketed end connection or nongasketed? Example: BS vs. BSU Elbow BS BSU

Nongasketed Elbow Lindab Safe Elbow DUCT SR = single wall round, spiral duct CROSSING TEES X = cross C = centerELBOWS B = elbow P = pressed S = radius of 1.5 (standard) U = gasketed w/o "S" radius = 1.0 radius (nonstandard) B = boot-style F = fabricated (aka not stamped) U = gasketed LATERAL TEES T = tee V = 45REDUCERS R = reducer U = gasketed C = concentric or center taper 45 = angle of take-off F = female X = take-off each side U = gasketed L = long Y-BRANCH Y = wye V = 45TAPS P = pressed U = gasketed S = saddle U = gasketed END CAPS E = end cap V = 45 S = fits inside duct B = boot-style U = gasketed R = non-specific P = fits outer duct C = concentric or center taper F = female H = handleTEES B = boot-style T = tee DAMPERS D = damper U = gasketed S = full blade C = concentric/center R = slotted damper blade P = pressed T = gasketed blade U = gasketedTAKE-OFFS IL = initial leg I = insulated R = bell mouth type or radiused U = gasketed COUPLINGS MF = outer coupling NP = inner coupling

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Lindab Safe Connection

The Lindab Safe self-sealing duct system is based on a U-profile, EPDM rubber gasket. This gasket is located in a groove at the end of the fitting and is securely attached by an stainless steel band. This design ensures that the rubber gasket is always held in the correct position.

When the fitting is inserted into the spiral duct, the gasket folds back forming a seal against the inside of the spiral duct eliminating the need for any duct sealer.

In order to achieve optimum sealing for all diameters, various gasket sizes are used as shown in the table below.

The standard Lindab Safe gasket is made from a material resistant to ozone, UV rays, and temperature fluctuations. A silicone gasket for special applications is also available. The standard Lindab Safe gasket is rated for tempera-tures from -20F to +212F (silicone gasket rated for temperatures from -94F to +302F).

Size 7 9 11 14 20 30

Dia (inch) 3-7 8-11 12-20 22-36 38-58 60

Gasket connection for diameters 26" and smaller Leading Edge for diameters 28" and larger

Design by Diameter

Benefits of the Lindab Safe Duct System

A complete line of self-sealing spiral duct and fittings Factory installed gasket - no loose parts Fast and easy installation Environmentally friendly, no harmful sealers required Installation not contingent on weather Performance rated from -20F to +212F Double lipped gasket minimizes the risk of leakage in the event of damage Meets SMACNAs Leakage Class 3 Gasket U.L. classified rating (Flame Spread 0/ Smoke Developed 5) in accordance with ASTM standard E84-91a Rolled over edges for easier installation, reduces risk of injury and adds strength Adjustability - fittings can be rotated 360 during installation and still maintain the seals integrity

Gasket Size by Diameter

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Duct System Leakage Classification

The graph below represents a selected series of leakage classes as defined by the formula CL=F/P0.65. The formula defines leakage class as the relationship between leak rate, duct surface area, and pressure.

Since the calculation of leakage class is based on several relevant factors while percent leakage is based only on overall system air flow, leakage class is a more comprehensive method of assigning allowable leakage rates. This enables the designer to address all major system factors by simply assigning a leakage class.

Lindab Safe meets SMACNA's Leakage Class 3 requirements without the use of any duct sealants.

F = Leak rate per unit of duct surface (cfm/100 sq. ft.)CL = Leakage Class P = Static pressure (iwg)

1985 SMACNA Duct Leakage Guide; used with permission of SMACNA

Lindab Safe meets SMACNA's Leakage Class 3 requirements

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Assembly InstructionsPreparations for assemblyCheck that ducts and fittings to be used in the system are Lindab Safe and are undamaged. All Lindab Safe fittings must be used with calibrated spiral duct certified by Lindab.

Do not use ducts or fittings that have been damaged in such a way that they jeopardize the air tightness or structural strength of the system.

Store ducts and fittings in a well-ordered and weatherproof storage area to minimize the risk of damage.

Cut ducts at right angles. Carefully remove any burrs from cut edges. Installation is easier and the risk of damaging the gasket is reduced if there are no burrs.

AssemblyStart by inserting the turned-over edge of the fitting into the duct.

Check that the first lip of the gasket is in contact with the edge of the duct all the way around and sticks straight out so that the lip is not twisted in one direction or the other.

Push the end of the fitting into the duct. Turning the fitting slightly aids insertion. (Removal, if necessary, is also aided by turning.)

Secure the fitting in the duct using self-tapping screws or airtight pop rivets.

Fasteners should be positioned 1/2" from the bead to prevent damage to the gasket.

Placement of the fastening screws should be opposite from one another evenly spaced around the circumference, much like the procedure for tightening lug nuts on a tire (see diagram). Start where the distance between the duct and the fitting is largest. Screws should be placed approximately 1/2" from the bead in order to avoid damaging the Lindab Safe gasket. In the event of incorrect installation, holes caused by screws or pop rivets must be sealed before reassembly.

Quantities and sizes to be used are listed in the below table.

Duct Dia. Screw Dia. Quantity

(inch) (inch)

3 - 5 26 - 10 3

12 - 24 426 - 50 652 - 60 8

Always start the first fastener at the largest radial gap between fitting and duct. Be sure to achieve even distribution around the circumference.

Carefully seal any holes left by measure-ments, removed screws, pop rivets, etc.

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Rectangular to Round Conversion

De = 1.30 [(ab)0.625/(a+b)0.250]

a = length of one side of rectangular duct (inch)b = length of adjacent side of rectangular duct (inch)De= circular equivalent of rectangular duct for equal friction and capacity (inch)

Source: 2001 ASHRAE Fundamentals, p. 32.10

Example Convert rectangular duct 22" x 12" to equivalent round

a = 22, b = 12; from above table

De= 17.6, use 18" diameter

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SpecificationsMATERIAL ( * ) not available in pressed construction Galvanized steel conforming to ASTM standards A653 and A924 Stainless steel type 304L conforming to ASTM standard A240* Stainless steel type 316L conforming to ASTM standard A240* Aluminum T3003*

SURFACE FINISH Galvanized steel (galvanized in accordance with latest SMACNA HVAC Duct Construction Standards). Stainless steel type 304L - Mill Finish Stainless steel type 316L - 2B Mill Finish Coated with an average thickness of 4 mils (0.004 inch) inside and out. Coating to meet or exceed 1,000 hour Salt Spray Test per ASTM B117-97. PVC coating (duct only) Epoxy coating (duct and/or fittings) Antimicrobial - Coating containing antimicrobial compound complies with UL standard - not to exceed flame or smoke developed ratings of 25/50 and is EPA listed. THICKNESSMaterial thickness constructed from galvanized steel in accordance with the latest SMACNAs HVAC Duct Construction Standards for +10" water gauge pressure.

CONSTRUCTIONA. Duct is of spiral lock seam construction with a mechanically formed seam locking indentation evenly spaced along the spiral seam. All spiral duct 8" diameter and larger shall incorporate multiple corrugations between spiral seams.B. Fittings shall be manufactured using one or more of the following construction methods: Overlapped edges stitch welded along the entire length of the fitting Standing seam gore locked and internally sealed Button punched and internally sealed Elbows 3" through 12" diameter will be die stamped and continuously stitch welded.

CONNECTIONSFitting ends shall be sized to slip-fit into spiral duct of the same nominal size. Fitting to fitting connections shall be made by use of duct size MF couplings. Duct to duct connections require fitting size NP couplings.

JOINT SEALINGFitting ends are equipped with factory installed, double-lipped, U-profile gaskets. When installed in spiral duct per man-ufacturers installation instructions, the gasket creates a seal against the interior of the spiral duct. The system tightness shall be factory warranted to meet SMACNA's Leakage Class 3 performance. If no gasket is used, all joints must be sealed by the installer during the installation process. The type of sealant used as well as the method and level of application should be as directed by the specification and in accordance with the sealant manufacturers published installation instructions.

GASKET The gasket shall be EPDM rubber. The gasket is located in a groove at the end of the fitting and securely fastened by means of a stainless steel band. In order to achieve optimum sealing for all diameters, different size gaskets shall be used. The gasket shall be classified by Underwriters Laboratories for flame spread and smoke developed in accordance with ASTM E84-91a. A silicone gasket meeting the same performance may be offered by duct manufacturer for special applications. NOTE: For systems under negative pressure, please refer to the Industrial Catalog or a Lindab representative.

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Tolerance, Gauge, & e-dimensions

* In accordance with the latest SMACNA HVAC Duct Construction Standards for +10" wg

** Lindab Manufacturing Standard

*** = Not currently available

Tolerance for spiral duct Tolerance for fittings


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Tolerances for Spiral

Material Specifications Lindab components are made of galvanized sheet ASTM A653/A924.

Duct and fittings are also available in the following materials:

G60 G90 304 stainless steel ASTM A240* 316 stainless steel ASTM A240* Coated Agion Antimicrobial Aluminum* ( * ) not available in pressed construction

Length Tolerances

Our products are designed with a male/female slip connections. For gasket (Safe) connections, refer to the e-dimension listed in the chart on page 11. If flanges are utilized, Add 3" plus flange thickness to the published L (length) dimension as shown else-where in this catalog as depicted in the diagram to the right.

Length -L, H, e, D, d Tolerances

inch inch

1 - 10 12 - 16 18 - 28 30 - 50 1

52 - 60 1

Weight Tolerance 10% Thickness Tolerance 10% Angular Tolerance Surface/Finish Die stamped products of G90 construction. Stainless steel 316L fittings provided with a 2B mill finish. Coated products have a minimum surface hard-ness of 2H when tested per ASTM D33-63-92A with an average thickness of 4 mils inside and out. Epoxy is used on duct and fittings or a PVC can be applied on duct.

Factory-applied Flange

Collar Length Make-up Length

3" 3" + flange thickness

Fitting Slip Dimension

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SR

Description

Order Example

Spiral Duct

spiral lock seam duct SMACNA RL-1 spiral seam evenly spaced integral seam locking feature multiple corrugations on all duct 8" diameter and larger standard length: 120" built in accordance with the latest SMACNA HVAC Duct Construction Standard for +10 iwg available in diameters 3"- 60"

Standard length is 120" or 10'. Also available in lengths of 12" to 240"; aluminum is the exception with a maximum 120" length.

SR - D - L

Dimensions

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BSU 90 / BSFU 90

Description Description

Order Example Order Example

Elbows

90 elbow die stamped continuous stitch welded rolled edges galvanized steel only available in diameters 3"- 12" note: 11" diameter is fabricated

90 elbow 5-piece gored, standing seam gore locked and internally sealed available in diameters 14"- 48" note: BSF/U 90 elbows 50-inch diameter and larger will be supplied as two BSF/U 45 elbows and an MF coupling

Lindab Safe Lindab Nongasketed BSU 90 - d1 BS 90 - d1

Lindab Safe Lindab Nongasketed BSFU 90 - d1 BSF 90 - d1

rC 1.5 x d1 rC 1.5 x d1

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BU 90 / BFU 90



Elbows

Lindab Safe Lindab Nongasketed BU 90 - d1 B 90 - d1

Lindab Safe Lindab Nongasketed BFU 90 - d1 BF 90 - d1


90 elbow 4-piece gored, standing seam gore locked and internally sealed available in diameters 14"- 48" note: BF/U 90 elbows 50-inch diameter and larger will be supplied as two BF/U 45 elbows and an MF coupling

rC 1.0 x d1

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BU 60 / BFU 60



Elbows


60 elbow 3-piece gored, standing seam gore locked and internally sealed available in diameters 14"-60"



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BSU 45 / BSFU 45



Elbows

Lindab Safe Lindab Nongasketed BSU 45 - d1 BS 45 - d1

Lindab Safe Lindab Nongasketed BSFU 45 - d1 BSF 45 - d1


45 elbow 3-piece gored, standing seam gore locked and internally sealed available in diameters 14"- 60"

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BU 45 / BFU 45



Elbows





19




BU 30 / BFU 30



Elbows





20



BU 15 / BFU 15



Elbows





21




BMU / BMVU



Elbows

Lindab Safe Lindab Nongasketed BMU - d1 BM - d1

Lindab Safe Lindab Nongasketed BMVU - d1 BMV - d1

mitered elbow rolled edge 2" standard throat length available in diameters 4"- 60"

mitered elbow with vanes rolled edge 2" standard throat length turning vanes evenly spaced available in diameters 4"- 60" number of vanes vary by diameter - 4"-10" = 2 vanes - 12"-14" = 3 vanes - 16"-20" = 4 vanes - 22"-60" = 5 vanes

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Description

Reducers RCU

concentric reducer galvanized construction only

Dimension (die stamped)

d1 d2 L

inch inch inch

4 3 5 3 1

5 4 6 3 16 4 16 5 7 4 2

7 5 17 6 1

8 4 28 5 18 6 18 7 9 7 29 8 1

10 6 210 7 110 8 110 9 12 8 212 10 114 10 2

14 12 1

Order Example

Lindab Safe Lindab Nongasketed RCU - d1-d2 RC - d1-d2

d1 d2 L

inch inch inch

9 6 110 5 212 9 114 8 316 8 316 10 216 12 116 14 18 8 5

18 10 418 12 318 14 218 16 120 8 6

20 8 6

20 10 5

20 12 4

20 14 3

20 16 2

20 18 1

Dimension (fabricated)

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RCFUReducers

concentric reducer D = duct size slips over fitting end galvanized construction only

Dimension (die stamped)

d1 d2 L

inch inch inch

4 3 25 3 25 4 26 3 36 4 26 5 27 4 37 5 37 6 28 4 38 5 38 6 28 7 29 7 39 8 2

10 6 410 7 310 8 210 9 212 10 214 10 414 12 3

Description

Order Example

Lindab Safe Lindab Nongasketed RCFU - D-d2 RCF - D-d2

d1 d2 L

inch inch inch

9 6 310 5 412 8 412 9 414 8 5

16 8 7

16 10 616 12 516 14 518 8 818 10 718 12 618 14 518 16 520 8 920 10 820 12 720 14 620 16 520 18 5

Dimension (fabricated)

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Reducers


RCLU/RLU


fabricated concentric reducer L1 = (d1 - d2)* ( * ) minimum 4"

fabricated eccentric reducer L1 = (d1 - d2)* ( * ) minimum 4"

Lindab Safe Lindab Nongasketed RCLU - d1- d2 RCL - d1- d2

Lindab Safe Lindab Nongasketed RLU - d1- d2 RL - d1- d2

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RCLFU/RLFUReducers


Lindab Safe Lindab Nongasketed RCLFU - D - d2 RCLF - D - d2

Lindab Safe Lindab Nongasketed RLFU - D - d2 RLF - D - d2

fabricated concentric reducer D end slips onto fitting end L1 = (D - d2)* + e dimension ( * ) minimum 4"

fabricated eccentric reducer D end slips onto fitting end L1 = (D - d2)* + e dimension ( * ) minimum 4"

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Taps TBSU/TBSRU

Order Example

Lindab Safe Lindab Nongasketed TBSU - d3 TBS - d3

45 boot-style tap installed on flat side of duct or plenum

45 combination boot-style saddle tap

Dimensions

If d3 8" H = 4" If d3 = 9"-14", H = 7" If d3 = 15"-26", H = 10" If d3 = 27"-46", H = 13" If d3 = 47"-60", H = 16"

Dimensions

If d3 8", H = 4" If d3 = 9"-14", H = 7 If d3 = 15"-26", H = 10" If d3 = 27"-46", H = 13" If d3 = 47"-60", H = 16"

Order Example

Lindab Safe Lindab Nongasketed TBSRU - D - d3 TBSR - D - d3

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PSU

Description Dimension

Taps

Order Example

Lindab Safe Lindab Nongasketed PSU - D - d3 PS - D - d3

pressed PSU fabricated PSU

saddle tap pressed: - radius entry - limited to galvanized steel only - available in d3 or tap diameters 3"- 16", exceptions listed below - X-dimensions listed on right fabricated - sizes listed below - X = 1"

H = X + 0.5(D)

Fabricated Sizes

d3 D

8 9 10 12 14 16 18 20 22 24

3 7 12 14

X - Dimensions

d3 (inch)

Pressed (inch)

Fab (inch)

3 14 15 16 1 1

7 1 1

8 1 1

9 1 1

10 1 1

12 1 114 n/a 1

16 118 120 n/a 1

22 n/a 1

24 n/a 1

For d3 24", X = 1"

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PSVU45/PSVUF45Taps


Lindab Safe Lindab Nongasketed PSVU45 - D - d3 PSV45 - D - d3

Lindab Safe Lindab Nongasketed PSVUF45 - d3 PSVF45 - d3

fabricated 45 lateral tap for round H = 2.5" special order: 15, 30, 60 i.e. PSVU 15 - aa - bb

fabricated 45 lateral tap for flat surface H = 2.5" special order: 15, 30, 60 i.e. PSVUF 15 - aa - bb

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Taps PSCU/CTFU


conical saddle tap H = 6" L = d3 + 2"

conical tap for flat surface H = 6" L = d3 + 2 flat lip = "- " depending on diameter offered in standard 2" reducing pairs ex. CTFU 8-6

Lindab Safe Lindab Nongasketed PSCU - D- d3 PSC - D- d3

Lindab Safe Lindab Nongasketed CTFU - d3 CTF - d3

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BHTU/BHTRU


Tees


Lindab Safe Lindab Nongasketed BHTU - d1 BHT - d1

Lindab Safe Lindab Nongasketed BHTRU - d1- d3- d4 BHTR - d1- d3- d4

bullhead tee L = d3 + 6"

bullhead reducing tee L = d3 + 6" L1 = (d1 - d3)* L2 = (d1 - d4)* ( * ) minimum 4"

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Tees TBU/TBRU



45 boot-style tee assembled with TBSRU tap d3 d1 diameter L2 = d3 + H2 + 4" If d3 8", H2 = 4", If d3 = 9-14", H2 = 7", If d3 = 15-26", H2 = 10", If d3 = 27-46", H2 = 13", and If d3 = 47-60", H2 = 16".

45 boot-style tee with reducer assembled with TBSRU tap d3 d1 diameter L2 = (d3 + H2 + 4") + (d1 - d2)* If d3 8", H2 = 4", If d3 = 9-14", H2 = 7", If d3 = 15-26", H2 = 10", If d3 = 27-46", H2 = 13", and If d3 = 47-60", H2 = 16".

( * ) minimum of 4"

Lindab Safe Lindab Nongasketed TBU - d1- d3 TB - d1- d3

Lindab Safe Lindab Nongasketed TBRU - d1- d2 - d3 TBR - d1 - d2- d3

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XBU/XBRU


Crossing Tees


Lindab Safe Lindab Nongasketed XBU - d1-d3- d4 XB - d1- d3- d4

Lindab Safe Lindab Nongasketed XBRU - d1-d2- d3-d4 XBR - d1- d2-d3-d4

45 boot-style crossing tee assembled with TBSRU taps d3 and d4 d1 diameter L = d3 + H2 + 4" If d3 8", H2 = 4", If d3 = 9-14", H2 = 7", If d3 = 15-26", H2 = 10", If d3 = 27-46", H2 = 13", and If d3 = 47-60", H2 = 16".

45 boot-style crossing tee with reducer assembled with TBSRU taps d3 and d4 d1 diameter L = (d3 + H2 + 4") + (d1 - d2)* If d3 8" H2 = 4", If d3 = 9-14", H2 = 7", If d3 = 15-26", H2 = 10", If d3 = 27-46", H2 = 13", and If d3 = 47-60", H2 = 16".

( * ) minimum of 4"

33




Tees TCCU/TCCRU



conical tee L = d3 + 8" H = 6" d1 must be 2" or larger than d3

conical reducing tee L = (d3 + 8") + (d1 - d2)* H = 6" d1 must be 2" or larger than d3

( * ) minimum of 4"

Lindab Safe Lindab Nongasketed TCCU - d1 -d3 TCC - d1 -d3

Lindab Safe Lindab Nongasketed TCCRU - d1-d2 -d3 TCCR - d1 -d2 -d3

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XCCU/XCCRU


Crossing Tees


Lindab Safe Lindab Nongasketed XCCU - d1-d3- d4 XCC - d1- d3- d4

Lindab Safe Lindab Nongasketed XCCRU - d1-d2- d3-d4 XCCR - d1- d2-d3-d4

conical crossing tee L = d3 + 8" H = 6" d1 must be 2" or larger than d3

conical reducing crossing tee L = (d3 + 8") + (d1 - d2)* H = 6" d1 must be 2" or larger than d3 d4 d3

( * ) minimum of 4"

35




Tees TCPU/TCPRU



assembled tee with die-stamped or fabricated PSU L = d3 + 6" see page 28 for tap height details

assembled reducing tee with die-stamped or fabricated PSU L = (d3 + 6") + (d1 - d2)* see page 28 for tap height details

( * ) minimum of 4"

Lindab Safe Lindab Nongasketed TCPU - d1- d3 TCP - d1- d3

Lindab Safe Lindab Nongasketed TCPRU - d1- d2 - d3 TCPR - d1 - d2- d3

36



XCPU/XCPRU


Crossing Tees


Lindab Safe Lindab Nongasketed XCPU - d1-d3- d4 XCP - d1- d3- d4

Lindab Safe Lindab Nongasketed XCPRU - d1-d2-d3-d4 XCPR - d1- d2-d3-d4

assembled crossing tee with die-stamped or fabricated PSU d4 d3 L = d3 + 6" see page 28 for tap height details

assembled reducing crossing tee with die-stamped or fabricated PSU d4 d3 L = (d3 + 6") + (d1 - d2)* see page 28 for tap height details ( * ) minimum of 4"

37




Tees TVU45/TVRU45



45 lateral tee L = d3[1/sin(a)] + 4" H = 2.5" (constant)(throat height) special order: 15- 30- 60 i.e. TVU 15 - aa - bb

45 lateral reducing tee L = d3[1/sin(a)] + 4"+ (d1 - d2)* H = 2.5" (constant)(throat height)

( * ) minimum of 4

Lindab Safe Lindab Nongasketed TVU45 - d1 -d3 TV45 - d1 -d3

Lindab Safe Lindab Nongasketed TVRU45 d1-d2-d3-d4 TVR45 d1-d2-d3-d4

38



XVU45/XVRU45

Description

Crossing Tees

Description


Lindab Safe Lindab Nongasketed XVU45 - d1-d2-d3 XV45 - d1-d2-d3

Lindab Safe Lindab Nongasketed XVRU45 d1-d2-d3-d4 XVR45 d1-d2-d3-d4

45 lateral crossing tee dimension data for d4 = d3 only L = d3[1/sin(a)] + 4" H = 2.5" (constant)(throat height) special order: 15- 30- 60 i.e. XVU 15 - aa - bb - cc

45 lateral reducing crossing tee L = d3[1/sin(a)] + 4"+ (d1 - d2)* H = 2.5" (constant)(throat height)

( * ) minimum of 4"

39




Y-branch YVU45

Description

Lindab Safe Lindab Nongasketed YVU45 - d1 - d3 - d4 YV45 - d1 - d3 - d4

directional split fitting: 45 special order: 15, 30, 60 i.e. YVU 15 - aa - bb - cc special order: d3 or d4 < d1 special order: d3 d4

Order Example

Dimension

H1 = (d3 x 0.5) + (d1 x 0.9) x COS(45) - d3 x 0.5 TAN(45) SIN(45) O1 = (d3 x 0.5) + (d1 x 0.8) x SIN(45) - (d1 x 0.5) TAN(45) H2 = (d4 x 0.5) + (d1 x 0.9) x COS(45) - d4 x 0.5 TAN(45) SIN(45) O2 = (d4 x 0.5) + (d1 x 0.8) x SIN(45)] - (d1 x 0.5) TAN(45)

M1 = H1 + (d3 x 0.5)(COS(45)) - (d1 x 0.5) + O1 - (d3 x 0.5)(COS(45)) M2 = H2 + (d4 x 0.5)(COS(45)) - (d1 x 0.5) + O2 - (d4 x 0.5)(COS(45)) CL1 = (d1 x 0.5) + O1 - (d3 x 0.5)(COS(45)) COS (45) CL2 = (d1 x 0.5) + O2 - (d4 x 0.5)(COS(45)) COS (45) Note: These dimensions apply for 45 only. Please call for dimensions on special orders.

[

[

]

]

[ ]

[ ]

40



OSETU

Description

Offset

one-piece offset 60 max angle of convergence max offset Z1 (d1) / 2 max length L = 60" Note: SMACNA recommends that offsets be 30 or less

Order Example

Lindab Safe Lindab Nongasketed OSETU - d1 - L - Z OSET - d1 - L - Z

41




Couplings NPU/MF

Description


Lindab Safe Lindab Nongasketed NPU - d1 NP - d1

Lindab Nongasketed MF - D

Description

coupling used for joining spiral duct If 3"-20", L = ", If 22"-26", L = " If 28"-60", L = "

coupling for joining fittings If 3"-9", L = 3", If 10"-14", L = 5", If 16"-26", L = 6", If 28"-38", L = 8", If 40"-60", L = 10"

42




ESU/EPFEnd Caps

end cap for spiral duct If 3"-20", L = ", If 22"-26", L = " If 28"-60", L = "

end cap for fittings If 3"-9", L = 1", If 10"-14", L = 2", If 16"-26", L = 3", If 28"-38", L = 4", If 40"-60", L = 4"


Lindab Safe Lindab Nongasketed ESU - d1 ES - d1

Lindab Nongasketed EPF - D

43




ILU/ILRU


Take-offs


Lindab Safe Lindab Nongasketed ILU - d1 IL - d1

Lindab Safe Lindab Nongasketed ILRU - d1 ILR - d1

take-off/starting collar installed on flat side of duct or plenum available in diameters 3"- 60"

stamped radiused bellmouth take-off available in 4"-16" (not including 11") installed on flat side of duct or plenum

44



DRU


Dampers

manual balancing damper w/regulating blade for use in systems where a complete shut- off of air flow is not required the blade is specially designed for optimum balancing performance. see diagram for distinguishing blade details gasketed shaft-mounted load bearing bushing to minimize air leakage integral shaft-blade assembly 2" sheet metal insulation stand-off locking blade quadrant w/damper position indicator full fitting body assembly with bead stop Note : Dampers with d1 > 14" equipped with extended handle and a reinforced damper blade. Dampers with d1 > 24" have 2" bracket in place of cup-shaped stand-off.

Order Example

Lindab Safe Lindab Nongasketed DRU - d1 DR - d1

d1 L Shaft

inch inch mm2

4 3.9 8*5 3.9 8*6 3.9 8*7 3.9 8*8 3.9 8*9 3.9 8*10 3.5 8*12 3.5 8*14 3.5 8*16 3.75 8*18 3.75 8*20 3.75 8*22 3.75 8*24 3.75 8*26 3.75 8*28 3.75 8*30 3.75 8*32 10.4 25.4**34 10.4 25.4**36 10.4 25.4**

* 2" shaft extensions available ** 1" square tube shaft

45




DSU/DSWU


Dampers

manual balancing damper w/ full blade for use in systems where a complete shut- off of air flow is not required gasketed shaft-mounted load bearing bushing to minimize air leakage integral shaft-blade assembly 2" sheet metal insulation stand-off locking blade quadrant w/damper position indicator full fitting body assembly with bead stop Also available: DSWU DS(U) damper with cable-operating option. Equipped with 20' cable. Note: Dampers with d1 > 14" equipped with extended handle and a reinforced damper blade. Dampers with d1 > 24" have 2" bracket in place of cup-shaped stand-off.

Order Example

Lindab Safe Lindab Nongasketed DSU - d1 DS - d1 DSWU - d1 DSW - d1

d1 L Shaft

inch inch mm2

4 3.9 8*5 3.9 8*6 3.9 8*7 3.9 8*8 3.9 8*9 3.9 8*10 3.5 8*12 3.5 8*14 3.5 8*16 3.75 8*18 3.75 8*20 3.75 8*22 3.75 8*24 3.75 8*26 3.75 8*28 3.75 8*30 3.75 8*32 10.4 25.4**34 10.4 25.4**36 10.4 25.4**

* 2" shaft extensions available ** 1" square tube shaft

DSU DSWU

46



DSILU/DSILRU


Take-offs

gasketed take-off with damper lengths (in): diameters 4" - 9" : L= 5" diameters 10" - 14" : L= 5" diameters 16" - 24" : L= 6" shaft = 8 mm2

2" shaft extension available

gasketed bellmouth take-off with damper assembled with ILR(U) radiused bellmouth take-off lengths: diameters 4" - 9" : L= 7" diameters 10" - 14" : L= 9" diameters 16" : L = 10" shaft = 8 mm2

2" shaft extension available

Note: 11" is not available


Lindab Safe Lindab Nongasketed DSILU - d1 DSIL - d1

Lindab Safe Lindab Nongasketed DSILRU - d1 DSILR - d1

47




Dampers DSPSU

Description

damper (DS) with saddle tap base shaft = 8 x 8 mm2

2" shaft extensions available L = [PSU(L) + e dimension] + [DSU(L) + e dimension] refer to page 11 for e dimensions refer to page 28 for PSU construction details (pressed/fabricated)

Order Example

Lindab Safe Lindab Nongasketed DSPSU - D - d3 DSPS - D - d3

Available in the following sizes ():

Available Sizes

D d3

3 4 5 6 7 8 9 10 12 14 16

4 5 6 7 8 9 10 12 14 16 18 20 22 24

48



Dampers DTU


balancing damper with a gasketed blade for complete air-flow shut-off gasketed shaft-mounted load bearing bushing to minimize air leakage integral shaft-blade assembly 2" sheet metal insulation stand-off locking blade quadrant w/damper position indicator full fitting body assembly with bead stop shaft = 8 mm2

2" shaft extension available Note: dampers with d1 > 24" have 2 brack-et in place of cup-shaped stand-off.

Order Example

Lindab Safe DTU - d1

Length (L) in inches by diameter: 4"-9", L = 3.9", 10"-14", L = 3.5", 16"-24", L = 3.75

49




RRTU

Description

Square-to-Round

square to round transition available in 4"- 60" 2" raw edge rectangular end L = length, minimum 12" a = rectangular width b = rectangular height special order: offset styles available

Order Example

Lindab Safe Lindab Nongasketed RRTU - a - b - d1 - L RRT - a - b - d1 - L

2600 Airline Boulevard Portsmouth, Virginia 23701 Phone: 800.797.7476 Fax: 757.488.4502 Web: www.lindab.com/us

REV24.2015

Wereservetherighttomakechangeswithoutpriornotice.Therefore,alldesigns,specifications,andproductfeaturesaresubject to change without notice. The company and its products are protected by patents and registered trademarks. 2015 All rights reserved.

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