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400 LEVEL EXHAUST SILENCERS

 

flange “F” Mounting Flange:
Standard in sizes 4” to 22”. Drilling matches 125/150# ASA standard.

Companion flanges available for 4” to 22”.

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Application:
These silencers are recommended where ambient noise is low and a high degree of silencing is necessary.

Construction:
Aluminized Steel: Nelson Silencers through 26” O.D. are fabricated of aluminized steel as standard materials. This material has a maximum operating temperature of 1250°F.

Mild Steel/Aluminized Steel: Nelson Silencers 30” O.D. and larger are fabricated of mild steel and aluminized steel. All silencers 30” O.D. and larger have aluminized steel bodies with all other components fabricated from mild steel.

Silicone Aluminum Paint: Nelson Silencers through 26” O.D. are given a coat of high heat resistant silicone aluminum paint.

Primer/Silicone Aluminum Paint: Nelson Silencers 30” O.D. and larger are given a coat of high heat, rust inhibiting primer and then a top coat of high heat resistant silicone aluminum paint. Physical properties are maintained up to 900°F* on aluminized steel and 1100°F* on mild steel.

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Note: When figuring pressure drop for side inlet add 3″ H2O to back pressure shown on above curve.  *Estimated

Category:

Description

Part Number

A

Nominal Inlet Diameter

B

Body Dia. O.D.

C

Body Length

D

Overall Length

E

Offset To C/L

F

Offset To C/L

G

Inlet Length

41440*

4.0

14.1

66.5

72.0

4.0

4.0

2.8

41450*

5.0

16.1

72.4

80.0

4.7

4.7

3.8

41460*

6.0

18.1

82.7

90.0

5.0

5.0

3.7

41480

8.0

26.1

91.7

98.9

0

0

3.6

41482

10.0

30.2

104.8

112.0

0

0

3.4

41484

12.0

36.2

130.6

137.0

0

0

3.2

41486

14.0

42.2

132.2

138.9

0

0

3.4

Part Number

A

Nominal Inlet Diameter

B

Body Dia. O.D.

C

Body Length

D

Overall Length

E

Offset To C/L

F

Offset To C/L

G

Inlet Length

H

Outlet Length

43440

4.0

14.1

66.6

69.3

5.8

4.0

3.0

2.7

43450

5.0

16.1

72.4

77.0

6.0

4.7

4.0

3.8

43460

6.0

18.1

82.6

86.3

6.8

5.0

4.0

3.7

43480

8.0

26.2

91.8

95.5

10.9

0

4.0

3.7

43482

10.0

30.2

104.8

108.4

12.4

0

4.0

3.6

43484

12.0

36.2

130.6

133.8

14.3

0

4.0

3.2

43486

14.0

42.2

132.2

135.6

16.1

0

4.0

3.4

Part Number

A

Nominal Inlet Diameter

B

Body Dia. O.D.

C

Body Length

D

Overall Length

E

Offset To C/L

F

Offset To C/L

G

Inlet Length

H

Outlet Length

44840

4.0

14.1

66.5

69.2

33.3

4.0

3.0

2.7

44850

5.0

16.1

72.4

76.2

36.2

4.7

4.0

3.8

44860

6.0

18.1

82.6

86.3

41.3

5.0

4.0

3.7

44880

8.0

26.2

91.9

95.5

46.0

0

4.0

3.6

44882

10.0

30.2

104.8

108.2

52.4

0

4.0

3.4

44884

12.0

36.2

130.6

133.9

65.3

0

4.0

3.3

44886

14.0

42.2

132.2

135.6

66.1

0

4.0

3.4

*Inlet and outlet offset from centerline of silencer as shown in dimension E and F.

Drains are standard on all silencers with a 9” body diameter or larger.

Note: Specifications are subject to change without notice.
Note: All dimensions are in inches.

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