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SU Series Annular Flow Absorptive Silencer
Note: SU Series standard paint and acoustical packing are suitable for 325° F
 
Common Applications
  • inlet and discharge of high-speed, low-pressure centrifugal compressors and blowers (discharge P < 15 psig)
  • industrial fan inlet and discharge
  • high-pressure centrifugal compressors inlet
  • gas turbine inlet
  • dry vacuum pump discharge
  • some low-pressure vents (< 15 psig)
  • high-frequency noise sources
  • inlet of turbocharged reciprocating engines
Typical Attenuation Curve - Larger Image
SU5 Series
The SU5 Series is our highest grade standard absorptive silencer. Its design consists of two concentric perforated cylinders lined with acoustical pack, forming an annular flow path. This design features full blocked-line-of-sight, while providing full flow area for low resistance. Mild steel construction, primer-coated exterior.
SU4 Series
The SU4 Series provides lower attenuation, ranking just below the SU5 Series. The design of this unit features a bullet centered in the flow tube to provide annular flow path and partial blocked-line­of-sight. Pressure drop is only slightly greater than the SU5. Mild steel construction, primer-coated exterior.
SU3 Series
The SU3 Series is the most economical of Universal Silencer's three grades of annular design silencers. Its design is nearly identical to the SU4, including annular flow path and partial blocked-line-of-sight. Pressure drop coefficient is the same as for the SU4 Series. Mild steel construction, primer-coated exterior.
Dimensional Information:

Model

Part

P

D

L

N

H

Weight

SU5-4

14-104-AA

4

10

2-1/2

3

15-1/2

30

SU5-5

14-105-AA

5

12

26

3

20

55

SU5-6

14-106-AA

6

12

26

3

20

60

SU5-8

14-108-AA

8

18

36

3-1/2

29

120

SU5-10

14-110-AA

10

20

44-1/2

3-1/2

37-1/2

195

SU5-12

14-112-AA

12

24

53

3-1/2

46

290

SU5-14

14-114-AA

14

26

6-1/2

3-1/2

54-1/2

390

SU5-16

14-116-AA

16

28

68

3-1/2

61

500

SU5-18

14-118-AA

18

30

74

3-1/2

67

650

SU5-20

14-120-AA

20

36

78

4-1/2

69

950

SU5-22

14-122-AA

22

36

89

4-1/2

80

1,080

SU5-24

14-124-AA

24

42

91

4-1/2

82

1,400

SU5-26

14-126-AA

26

42

102

4-1/2

93

1,580

SU5-28

14-128-AA

28

48

104

4-1/2

95

2,200

SU5-30

14-130-AA

30

48

115

4-1/2

106

2,600

SU5-32

14-132-AA

32

54

128

6

116

3,150

SU5-34

14-134-AA

34

60

136

6

124

3,600

SU5-36

14-136-AA

36

60

145

6

133

4,500

SU5-42

14-142-AA

42

66

170

6

158

6,200

SU5-48

14-148-AA

48

78

186

6

175

8,200

SU5-54

14-154-AA

54

84

198

6

186

10,300

SU5-60

14-160-AA

60

90

210

6

198

12,500

SU4-8

13-108-AA

8

14

33

3-1/2

26

90

SU4-10

13-110-AA

10

16

35

3-1/2

28

120

SU4-12

13-112-AA

12

18

47

3-1/2

40

180

SU4-14

13-114-AA

14

20

51

3-1/2

44

240

SU4-16

13-116-AA

16

22

59

3-1/2

52

320

SU4-18

13-118-AA

18

24

63

3-1/2

56

370

SU4-20

13-120-AA

20

26

73-1/2

4-1/2

64-1/2

490

SU4-22

13-122-AA

22

28

73-1/2

4-1/2

64-1/2

530

SU4-24

13-124-AA

24

30

85-1/2

4-1/2

76-1/2

720

SU4-30

13-130-AA

30

36

108

4-1/2

99

1,340

SU4-36

13-136-AA

36

42

122

4-1/2

113

2,020

SU4-42

13-142-AA

42

48

137

6

125

3,200

SU4-48

13-148-AA

48

54

16-1/2

6

149-1/2

4,100

SU4-54

13-154-AA

54

60

178

6

166

5,400

SU4-60

13-160-AA

60

66

192-1/2

6

180-1/2

7,300

SU3-8

12-108-AA

8

14

31

3-1/2

24

85

SU3-10

12-110-AA

10

16

35

3-1/2

28

120

SU3-12

12-112-AA

12

18

39

3-1/2

32

155

SU3-14

12-114-AA

14

20

39

3-1/2

32

200

SU3-16

12-116-AA

16

22

47

3-1/2

40

270

SU3-18

12-118-AA

18

24

47

3-1/2

40

290

SU3-20

12-120-AA

20

26

49/2

4-1/2

40-1/2

350

SU3-22

12-122-AA

22

28

55-1/2

4-1/2

46-1/2

420

SU3-24

12-124-AA

24

30

55-1/2

4-1/2

46-1/2

500

SU3-26

12-126-AA

26

30

61

4-1/2

52

680

SU3-28

12-128-AA

28

36

63-1/2

4-1/2

54-1/2

830

SU3-30

12-130-AA

30

36

62

4-1/2

53

890

SU3-32

12-132-AA

32

36

68

4-1/2

59

1,120

SU3-34

12-134-AA

34

42

75

4-1/2

66

1,360

SU3-36

12-136-AA

36

42

80

4-1/2

71

1,490

SU3-42

12-142-AA

42

48

83

6

71

1,920

SU3-48

12-148-AA

48

54

89-1/2

6

77-1/2

2,600

SU3-54

12-154-AA

54

60

96

6

84

3,300

SU3-60

12-160-AA

60

66

108-1/2

6

96-1/2

4,430

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