RDR-250/180-300m³/h

Item Number: 37308

Description

The air flow regulator RDR is an element placed inside the duct in order to obtain a constant flow within a pressure range from 50 to 250 Pascal. It is used in ventilation or air conditioning systems for supply or return air. Made in plastic material class M1 and in galvanized steel for sleeves in ¤ 125 to 250 mm.

Ordering code

(Exampel) RDR-80/15-50 m3/h

80 - size of the duct in mm

15 - 50 is possible air volumes in m3/h

Function

The air is forced to pass through predetermined space in which a flap can change the position according to the specified air flow. The requested airflow is fixed by a screwdriver, torx no10.

Design

RDR is made from plastic material (polystyrene) classified M1. Operating temperature is from 5 to 60°C.

Mounting

RDR is simply fitted into vertical or horizontal ducts. On the horizontal duct, respect the mention «DOWN» indicated at the front of the product. A leap seal ensures the air tightness. The flow regulator must remain accessible to permit its maintenance. When the flow regulator is associated with a diffuser, the minimum distance between the diffuser and the regulator is at least one Ø in extraction mode and 3 Ø in blowing mode.

When installing, do not touch the piece of regulation.

Technical parameters

Dimensions and weights
Weight 0.14 kg
(m3/h) Lw dB(A)

50 Pa

100 Pa

150 Pa

200 Pa

15

25

29

32

35

30

26

31

35

38

45

27

33

36

39

50

32

37

39

42

60

32

37

39

42

75

32

37

40

42

90

32

38

41

44

120

30

34

39

42

150

33

37

41

45

180

34

40

44

47

210

34

40

42

44

240

35

41

44

47

270

37

43

45

49

300

33

37

42

45

350

35

40

44

47

400

37

42

45

50

450

38

44

46

51

500

39

46

48

53

Ø

80

100

125

150

160

200

250

L

(mm)

55

70

86

91

91

91

127

D1

76

96

120

146

146

190

245

D2

76

93

117

148

148

195

236