S P E C I F I C A T I O N S S U B J E C T T O C H A N G E

Te l : Sa les 01942 889555 I Web: www.grada.co.uk

section2

SWIRL DIFFUSER WITH ADJUSTABLE AIR PATTERNTYPE: WT100S

S P E C I F I C A T I O N S S U B J E C T T O C H A N G E

Te l : Sa les 01942 889555 I Web: www.grada.co.uk

section2

SWIRL DIFFUSER WITH ADJUSTABLE AIR PATTERNTYPE: WT100S

Options

Installation dimensions

Size 125,200 mm Size 250 mm

Dia D

H5

0

B

125160200200250250315

294394394494594594594

125160200200250250315

9122024364848

270355355355555555555

155205205205205205255

S P E C I F I C A T I O N S S U B J E C T T O C H A N G E

Te l : Sa les 01942 889555 I Web: www.grada.co.uk

section2

SWIRL DIFFUSER WITH ADJUSTABLE AIR PATTERNTYPE: WT100T

ApplicationThe diffuser type WT100T is used forthe supply of cooled or heated airin facilities such as offices, shoppingcentres, schools, ...Diffusers for ceiling or exposed ductmounting.The diffuser is equipped with adjus-table deflectors creating the possi-bility to obtain an external or intern-al swirl.A high induction is obtained by theexceptional swirl discharge, whichmakes them extremely suitable forVAV terminal boxes.

Technical informationCharacteristics :

• adjustable horizontal and verticalair pattern

• 2,5 < mounting height < 4 m

• size 125, 200 mm:Single row of deflectors

• size 250 mm:Through the unique position ofthe 2 rows of outlet deflectors, anunlimited number of arrange-ments can be obtained. For ex-ample a vertical air dischargethrough the inner deflectors incombination with an externalswirl through the outer deflectors.

• size 315 mm:An adjustable deflector plate ismounted in the central part allo-wing you to handle 25% more airvolume compared to size 250 mm, without any increase innoise.

available in various plate sizes

available with white & black blades

stainless steel

S P E C I F I C A T I O N S S U B J E C T T O C H A N G E

Te l : Sa les 01942 889555 I Web: www.grada.co.uk

section2

SWIRL DIFFUSER WITH ADJUSTABLE AIR PATTERNTYPE: WT100T

Options

Installation possibilities

External swirl Internal swirl

Example of deflectors set forexternal swirl

Examples of deflectors set for one or two discharge pattern

S P E C I F I C A T I O N S S U B J E C T T O C H A N G E

Te l : Sa les 01942 889555 I Web: www.grada.co.uk

section2

SWIRL DIFFUSER WITH ADJUSTABLE AIR PATTERNTYPE: WT100 • WT500 - 9 Blade Selection / 12 Blade Selection

CODE DESCRIPTION SPIGOT DIA LITRES PER SEC L/S NRP.A.NOMINAL

LENGTH x HEIGHTVELOCITY

M/STHROWMETERS

WT100

WT100

WT100

WT100

WT100

WT100

WT100

WT100

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

9

9

9

9

9

9

9

9

294

294

294

294

294

294

294

294

125

125

125

125

125

125

125

125

20

25

30

35

40

45

50

55

2.02

1.6

2.53

2.0

3.03

2.4

3.54

2.9

4.04

3.3

4.55

3.7

5.05

4.1

5.56

4.5

0.3

0.3

0.4

0.5

0.5

0.6

0.7

0.7

4.9

7.7

11.0

15.0

19.6

24.8

30.6

37.0

15.0

15.0

20.0

21.0

24.0

26.0

28.0

35.0

CODE DESCRIPTION SPIGOT DIA LITRES PER SEC L/S NRP.A.NOMINAL

LENGTH x HEIGHTVELOCITY

M/STHROWMETERS

WT100

WT100

WT100

WT100

WT100

WT100

WT100

WT100

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

12

12

12

12

12

12

12

12

394

394

394

394

394

394

394

394

160

160

160

160

160

160

160

160

30

35

40

45

50

55

60

75

2.27

1.5

2.65

1.7

3.03

2.0

3.41

2.2

3.79

2.5

4.17

2.7

4.55

3.0

5.68

3.7

0.4

0.4

0.5

0.5

0.6

0.6

0.7

0.9

6.2

8.4

11.0

13.9

17.2

20.8

24.8

38.7

15.0

15.0

20.0

22.0

24.0

25.0

28.0

35.0

S P E C I F I C A T I O N S S U B J E C T T O C H A N G E

Te l : Sa les 01942 889555 I Web: www.grada.co.uk

section2

SWIRL DIFFUSER WITH ADJUSTABLE AIR PATTERNTYPE: WT100 • WT500 - 18 Blade Selection / 20 Blade Selection

CODE DESCRIPTION SPIGOT DIA LITRES PER SEC L/S NRP.A.NOMINAL

LENGTH x HEIGHTVELOCITY

M/STHROWMETERS

WT100

WT100

WT100

WT100

WT100

WT100

WT100

WT100

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

18

18

18

18

18

18

18

18

494

494

494

494

494

494

494

494

200

200

200

200

200

200

200

200

50

60

70

80

90

100

110

120

2.53

1.6

3.03

1.9

3.54

2.2

4.04

2.5

4.55

2.9

5.05

3.2

5.56

3.5

6.06

3.8

0.5

0.6

0.7

0.8

0.9

1.0

1.1

1.2

7.7

11.0

15.0

19.6

24.8

30.6

37.0

44.1

15.0

20.0

24.0

26.0

28.0

32.0

33.0

35.0

CODE DESCRIPTION SPIGOT DIA LITRES PER SEC L/S NRP.A.NOMINAL

LENGTH x HEIGHTVELOCITY

M/STHROWMETERS

WT100

WT100

WT100

WT100

WT100

WT100

WT100

WT100

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

20

20

20

20

20

20

20

20

494

494

494

494

494

494

494

494

200

200

200

200

200

250

250

250

55

65

80

90

100

110

115

125

2.50

1.8

2.95

2.1

3.64

2.5

4.09

2.9

4.55

3.2

5.00

2.2

5.23

2.3

5.68

2.5

0.5

0.6

0.7

0.8

0.9

1.0

1.0

1.1

7.5

10.5

15.9

20.1

24.8

30.0

32.8

38.7

15.0

22.0

25.0

27.5

30.0

32.0

33.0

35.0

S P E C I F I C A T I O N S S U B J E C T T O C H A N G E

Te l : Sa les 01942 889555 I Web: www.grada.co.uk

section2

SWIRL DIFFUSER WITH ADJUSTABLE AIR PATTERNTYPE: WT100 • WT500 - 24 Blade Selection / 36 Blade Selection

CODE DESCRIPTION SPIGOT DIA LITRES PER SEC L/S NRP.A.NOMINAL

LENGTH x HEIGHTVELOCITY

M/STHROWMETERS

WT100

WT100

WT100

WT100

WT100

WT100

WT100

WT100

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

24

24

24

24

24

24

24

24

594

594

594

594

594

594

594

594

200

200

200

200

250

250

250

250

65

75

85

95

110

120

130

140

2.46

2.1

2.84

2.4

3.22

2.7

3.60

3.0

4.17

2.2

4.55

2.4

4.92

2.6

5.30

2.9

0.5

0.6

0.7

0.8

0.9

1.0

1.1

1.2

7.3

9.7

12.4

15.5

20.8

24.8

29.1

33.7

15.0

18.0

20.0

24.0

27.0

28.0

30.0

33.0

CODE DESCRIPTION SPIGOT DIA LITRES PER SEC L/S NRP.A.NOMINAL

LENGTH x HEIGHTVELOCITY

M/STHROWMETERS

WT100

WT100

WT100

WT100

WT100

WT100

WT100

WT100

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

36

36

36

36

36

36

36

36

594

594

594

594

594

594

594

594

200

200

250

250

250

250

250

250

80

100

130

150

170

180

190

225

2.02

2.5

2.53

3.2

3.28

2.6

3.79

3.1

4.29

3.5

4.55

3.7

4.80

3.9

5.68

4.6

0.5

0.7

0.9

1.0

1.2

1.2

1.3

1.5

4.9

7.7

12.9

17.2

22.1

24.8

27.6

38.7

15.0

22.0

26.0

28.0

30.0

32.5

34.0

37.5

S P E C I F I C A T I O N S S U B J E C T T O C H A N G E

Te l : Sa les 01942 889555 I Web: www.grada.co.uk

section2

SWIRL DIFFUSER WITH ADJUSTABLE AIR PATTERNTYPE: WT100 • WT500 - 48 Blade Selection

CODE DESCRIPTION SPIGOT DIA LITRES PER SEC L/S NRP.A.NOMINAL

LENGTH x HEIGHTVELOCITY

M/STHROWMETERS

WT100

WT100

WT100

WT100

WT100

WT100

WT100

WT100

WT100

WT100

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

ADJ / BLADE

48

48

48

48

48

48

48

48

48

48

594

594

594

594

594

594

594

594

594

594

250

250

250

250

250

315

315

315

315

315

110

120

140

160

175

200

225

250

280

300

2.08

2.2

2.27

2.4

2.65

2.9

3.03

3.3

3.31

3.6

3.79

2.6

4.26

2.9

4.73

3.2

5.30

3.6

5.68

3.8

0.6

0.7

0.8

0.9

1.0

1.2

1.3

1.5

1.6

1.8

5.2

6.2

8.4

11.0

13.2

17.2

21.8

26.9

33.7

38.7

20.0

21.0

24.0

26.0

27.5

30.0

32.0

35.0

36.0

38.0