HVAC Duck Work 3 Dimensions All straight ducts are beaded or cross broken (except if duct is double wall, internally lined, negative pressure, Ga.18 ducts, and 4» w.g. or above) and

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Alqanater Alkhairia roads - industrial Area behind coca cola co.Tel.: 02 - 42452022

Mob.: 010 - 29999054 / 010 - 29999056 / 010 - 29999059 / 010 - [email protected]

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HVAC Duck Work

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ducnumber

0

1

2

3

4

5

6

7

8

9

10

duct dimension (mm)

0 - 200

250 - 400

450 - 600

650 - 800

850 - 1000

1050 - 1200

1250 - 1400

1450 - 1600

1650 - 1800

1850 - 2000

2050 - 2200

Khedr-Rect must be assembled according to these instructions

BEFORE ASSEMBLY

The ducts must be free from dirt.

Assembly instructions:

• Only use undamaged Khedr-Rect duct and fittings.

• Apply continuous gasket to effectively seal flanges and corners.

• Fasten the duct and fitting together with bolts & nuts at four corners.

• Mating flange shall be locked together by duct clamps spaced at centers not exceeding 200mm.

The following numbers of duct clamps are recommended:

KHEDR-Rectangular

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Dimensions

All straight ducts are beaded or cross broken

(except if duct is double wall, internally lined,

negative pressure, Ga.18 ducts, and 4» w.g. or

above) and fittings are cross broken from size

483 mm and above.

Standard duct length : 1200 mm (4 feet)

Description

KHEDR single wall duct & fittings are factory

fabricated and supplied with factory applied

sealant on all longitudinal joints for S & Drive

slip ducts and additionally on transverse

joints for all flanged end ducts & fittings.

Khedr-Rect can be supplied either fully

assembled form or knocked down form for

straight ducts (minimum requirement for

assemble of straight ducts on site) fittings will

be delivered fully assembled with factory

applied sealant.

Khedr-Rect can be supplied in various

materials:

- G, galvanized steel (in accordance with

ASTM 653, G90 coating)

- H, stainless steel (in accordance with ASTM

A240/480 and various material grades)

- A, aluminum metal (in accordance with

ASTM B209, type alloy 3003, H14) - P, painted

galvanized steel (as G, but with various paint

system i.e. epoxy...)

Straight Ducts

KHEDR- Rectangular

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Dimensions

Liner bonded to duct with adhesive and

welding pins at approximate centers as

shown.

Liner to be 48 kg/m3, (3 lbs/ft3) density, 25

mm thick, unless otherwise specified.

Description

KHEDR lined rectangular duct and fittings are

available with an insulating liner coated with

black glass tissue to protect against erosion and

microbial growth. This acoustic/thermal liner

can be used with air velocities up to 5,000 fpm.

Standard length is 1200 mm.

Standard acoustic/thermal insulation: 25mm,

48 kg/m3 , BGT facing. Other thickness and

density can be supplied on request.

Insulation edge coverings: all insulation edges

are covered by galv.steel channels fixed to duct.

epoxy...)

Lined Ducts

KHEDR- Rectangular

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DimensionsDescription

KHEDR double wall rectangular duct and

fittings provide exceptional noise control in

air distribution systems. This do ublewall,

insulated ductwork is constructed of solid

metal outer shell and perforated inner shell

with a layer of acoustic insulation sandwiched

between.Our standard construction is:

galvanized steel with a galvanized perforated

inner wall and standard acoustic, thermal

insulation of 25 mm tickness, 48 kg/m3

density, with BGT facing.Other types of

insulation material, density & thickness are

avialable.

As for the outer shell can be supplied in

galvanized steel, stainles steel, black steel,

aluminum or painted steel while for the inner

perforated shell only in galvanized steel or

black steel.


Double Wall Acoustic Ducts

KHEDR- Rectangular

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DimensionsDescription

KHEDR double wall rectangular duct and

fittings provide exceptional thermal control in

air distribution systems and is ideal for external

and roof ducts applications. This double wall,

insulated ductwork is constructed of solid

metal outer shell and solid inner shell with a

layer of insulation sandwiched between.

Our standard construction is: galvanized steel

(solid) inner and outer shell.

several types of insulation material, densities &

thickness are available.

As for the outer and inner shell can be supplied

in galvanized steel, black steel, aluminum,

stainless steel and painted steel.


Double Wall Thermal Ducts

KHEDR- Rectangular

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Double Corner SeamPittsburgh Lock

Longitudinal Seams

* 18 Gauge & Up * Up to 20 Gauge

KHEDR- Rectangular

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Double Corner SeamACME Lock

Longitudinal Seams

For Ducts Length L > 1200 mm

Seam Location

* Seam numbers and locations vary

according to joint type and size.

KHEDR- Rectangular

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Dimensions

Reducer

KHEDR- Rectangular

• All fittings are available with acoustic lining or double wall construction.

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Dimensions

Radius Bend

KHEDR- Rectangular


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Radius Bend with Splitter Vanes

KHEDR- Rectangular

Dimensions


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Dimensions

Square Throat Bend

withTurning Vanes

KHEDR- Rectangular


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Tee

KHEDR- Rectangular

Dimensions


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Dimensions

Offset`

KHEDR- Rectangular


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R-Fitting

KHEDR- Rectangular

Dimensions


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Dimensions

Split Bend

KHEDR- Rectangular


• Can be supplied with splitter damper upon request.

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Transition, rectangular to round

TRANS

KHEDR- Rectangular

Dimensions


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Branch Connection / Take Off

TO 45°

KHEDR- Rectangular

Dimensions

• Application of sealant after installation is recommended.



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TO 90°

KHEDR- Rectangular

Dimensions




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LYT

KHEDR- Rectangular

Dimensions


• For «D» dimensions see flexible duct sizes or Khedr-Vent for spiral duct dimensions.

• All fittings are available with Double Wall construction.

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LKT

KHEDR- Rectangular

Dimensions


• For «D» dimensions see flexible duct sizes or Khedr-Vent for spiral duct dimensions.

• All fittings are available with Double Wall construction.

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KHEDR- Rectangular

Installation Instruction

Installation Details - Spin - in & Flanged Take Off

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Splitter Damper

KHEDR- Rectangular

Splitter Damper

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DimensionsAerofoil Blade Splitter Damper

Single Blade Splitter Damper (Standard)

Splitter Damper

KHEDR- Rectangular

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Air Extractor

KHEDR- Rectangular

Dimensions

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Turning Vanes

KHEDR- Rectangular

Dimensions

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Turning Vanes

KHEDR- Rectangular

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Transverse Joints

KHEDR- Rectangular

Drive Slip & Hemmed «S» Slip

Slide on Flange - SAF - 30

Backup angle for Drive Slip

Reinforced «S» Slip & Standing S

Companion Angles

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Flange System

KHEDR- Rectangular

30 Flange Joint System

30 - Slide on Flange Dimensions

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Transverse Joints

KHEDR- Rectangular

Corner Piece -30

Clamp - 30 /35

Dimensions

Dimensions

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Flange System

KHEDR- Rectangular

35 Flange Joint System

35 Slide on Flange Dimensions

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Flange System

KHEDR- Rectangular

Corner Piece -35

Cleat

Dimensions

Dimensions

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W.G. Pressure Class (Formed Flange)

KHEDR- Rectangular

Maximum DuctDimension

0 - 508

509 - 1067

1068 - 1219

1220 - 1372

1373 - 1524

1525 - 2134

2135 - 2438

2439 - 2743

2744 - 3048

IntermediateReinforcement

Not required

Not required

Not required

Not required

Not required

Not required

Not required

50x50x5mm angle 50x50x5mm

50x50x5mm angle 50x50x5mm

U.SGage

26

24

22

20

18

18

18

18

18

LongitudinalConnections

Double corner seam

Double corner seam

Double corner seam

Double corner seam

Pittsburgh lock seam

Pittsburgh 50x50x5mm

Pittsburgh 50x50x5mm

Pittsburgh @ 600mm c-c

Pittsburgh @ 600mm c-c

TransverseConnections

Slide on flange (30 / 35)





Companion angle lock seam




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Maximum DuctDimension

0 - 508

509 - 1067

1068 - 1219

1220 - 1372

1373 - 1524

1525 - 2134

2135 - 2438

2439 - 2743

2744 - 3048

IntermediateReinforcement

Not required

Not required

Not required

Not required

Not required

Not required

Not required

50x50x5mm angle @ 600mm c-c

50x50x5mm angle @ 600mm c-c

U.SGage

26

24

22

20

18

18

18

18

18

LongitudinalConnections

Double corner seam

Double corner seam

Double corner seam

Double corner seam






TransverseConnections






Companion angle 50x50x5mm




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Description

Method of Surface Area Calculation

KHEDR- Rectangular

Formula Detail

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Description & Documents


KHEDR-Round duct

KHEDR-Round duct

Product Type: Metal Duct Pipe

This tapered increaser is used to increase the diameter of the round pipe run. The larger end is crimped.

- Used to increase diameter of pipe from 3» to 6»

- Total reducer height is 6-7/8»

- Galvanized steel construction for durability and rust prevention.

Product Type: Duct Start Collars

This non crimped start collar is used to start a round pipe run from a flat surface (main rectangular

duct or plenum).

- Start a 5» pipe run from main rectangular duct

- Attaches to plenum using 5/8» flanges and tabs

- Installation depth of collar is 2-1/8»

- Galvanized steel construction for durability and rust prevention

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KHEDR-Round duct


KHEDR-Round duct

Product Type: Duct Connectors

This flex connector is used to connect two sections of insulated flex duct. It is crimped on both ends

for an easy fit.

- Connector used to connect 2 sections of insulated flex duct. Crimped on both ends for easy fit


Product Type: Duct Tees

This tee is used for 90-degree, same-diameter branch applications. It is designed for transitions with

two incoming pipes at a 90-degree angle to one outgoing pipe.

- Used for venting bath and kitchen fans as well as heating and air conditioning applications (for 90°

branch with same diameters)

- Transitions with 2 incoming pipes at a 90° angle to 1 outgoing pipe

- Total length of fitting is 12-1/2»

- Total height of fitting is 9-1/8»


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KHEDR-Round duct

KHEDR-Round duct

Product Type:

The wye is used primarily to transition from one pipe to 2 pieces.

The crimped outgoing pipe splits off into a 45-degree run.

- Used primarily for heating and air conditioning application to transition from 1 pipe to 2 pieces

Outgoing pipe splits off into 45° run

- Total height of fitting is 12-9/16»

- Tapered design with top collar centered on the taper

- Galvanized steel construction for durability and rust prevention- Galvanized steel construction for

durability and rust prevention.

Product Type: Duct Reducers & Increasers

Square to round transitions provide a transition from rectangular duct to round pipe.

- Provides straight transition from 8» x 10» square to 10» round

- 9» total height


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KHEDR-Round duct


KHEDR-Round duct

Product Type: Duct Elbows

This 90-degree spiral elbow is used for spiral pipe only. The slip fit slides inside the round pipe without

crimping.

- 90° angle for round pipe - slip fit slides inside round pipe without crimping


Product Type: Duct Elbows

This 45-degree adjustable angle is used to adjust the direction of a heat run for round pipe from zero

to 45 degrees.

- Adjust direction of a heat run for round pipe from 0 to 45 degrees

- Easy-rotate design allows for small or big changes


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KHEDR-Round duct

Product Type: Duct Reducers & Increasers

This tapered reducer is used to decrease the diameter of the round pipe run. The smaller end is crimped.

- Used to decrease diameter of pipe from 6» to 3»

- Total reducer height is 6-5/8»

- Galvanized steel construction for durability and rust preventionprevention

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Alqanater Alkhairia roads - industrial Area behind coca cola co.Tel.: 02 - 42452022

Mob.: 010 - 29999054 / 010 - 29999056 / 010 - 29999059 / 010 - [email protected]

وا�ستيراد والتصدير

HVAC Duck Work