Norgren Mufflers Quietaire User Manual

Littleton, CO USA Phone [phone] www.norgren.com

FIT-8-1

Mufflers

Quietaire®Series
Compressed Air Mufflers

Section 8

Features and Benefits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .FIT-8-2

Muffler Shape Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .FIT-8-3

Shell Type Quietaire®Mufflers . . . . . . . . . . . . . . . . . . . . . . . . .FIT-8-4

Nadir Air Exhaust Silencer . . . . . . . . . . . . . . . . . . . . . . . . . . . .FIT-8-5

Sintered Type Quietaire®Mufflers . . . . . . . . . . . . . . . . . . . . . .FIT-8-6

Porous Plastic Type Quietaire Mufflers . . . . . . . . . . . . . . . . . .FIT-8-7

Quietaire

®

Coalescing Mufflers . . . . . . . . . . . . . . . . . . . . . . . . .FIT-8-8

High Performance Coalescing Quietaire®Mufflers . . . . . . . .FIT-8-9

Quietaire®Speed Control Mufflers . . . . . . . . . . . . . . . . . . . . . .FIT-8-10

Quietaire®Breather Vents . . . . . . . . . . . . . . . . . . . . . . . . . . . . .FIT-8-13

Quietaire

®

Small Part Ejectors . . . . . . . . . . . . . . . . . . . . . . . . .FIT-8-14

FIT-8-2

Littleton, CO USA Phone [phone] www.norgren.com

Norgren Quietaire Mufflers

● Mufflers prevent metal chips, abrasive grits,
dust and other contaminants from entering

open exhaust ports and causing premature
valve failure.

● Coalescing Mufflers help prevent oil mist and
solid particles from contaminating factory air.

● Speed Control Mufflers allow the adjustment of
exhaust flow to accurately control cylinder

speed.

● Parts Ejectors use less air than open lines with
only minor reduction of thrust.

● Breather vents prevent damage caused when
dirt, chips and other foreign particles enter

vacuum relief ports or breather tubes.

OSHA Permissible Noise Exposures*

Compressed air exhausts generate high intensity sound energy, much of
it in the same frequency range as normal conversation. Prolonged
exposure to noise causes hearing impairment without noticeable pain or
discomfort. See Table below for permissible noise exposures and graphs
on the following pages for the sound suppression characteristics of
Quietaire products.

Daily Sound

Duration Level

(Hours) (dBa)

890
692
495
397
2 100

1-1/2 102

1 105
1/2 110
1/4 115

*OSHA Safety and Health Standards (29 CFR 1910.95)

Increase Productivity

Continual noise causes worker fatigue, resulting in
reduced productivity and a reduction in profits.
Noise abatement helps prevent noise fatigue, one of
the main causes of industrial inefficiency and
accidents.

Cleaner Work Environment

Open exhaust ports on compressed air devices can
release oil vapors, oil aerosols, and particulates into
the atmosphere. Quietaire coalescing mufflers
remove these contaminants from the exhaust air
and also reduce noise to permissible levels.

Prolong Service Life

Open exhaust ports invite the entry of contaminants

- metal chips, abrasive grits, sweepings (floor
mounted units) and other debris. Quietaire mufflers
prevent the entry of such contaminants, prolonging
the service life of your air valves, air motors and
similar equipment.

Littleton, CO USA Phone [phone] www.norgren.com

FIT-8-3

Quietaire Muffler Shape Codes

Dimensions in Inches (mm)

Shell Type Quietaire Heavy Duty Mufflers

(MA and MB Series) p. FIT-8-4.

Sintered Type Quietaire Mufflers

(MS and T40 Series) p. FIT-8-6.

Porous Plastic Type Quietaire Mufflers

(C/S, M/S, and MU Series) p. FIT-8-7.

Coalescing Quietaire Mufflers

(MC Series) p. FIT-8-8.

High Performance Quietaire Coalescing Muffler

(MQ Series) p. FIT-8-9.

Quietaire Speed Control Mufflers

(MM and T20 Series) p. FIT-8-10.

Quietaire Breather Vents

(MV and M/1510 Series) p. FIT-8-13.

Quietaire Small Parts Ejectors

(ME Series) p. FIT-8-14.

Nadir Air Exhaust Silencer

(MF and MFT Series) p. FIT-8-5.

FIT-8-4

Littleton, CO USA Phone [phone] www.norgren.com

Shell Type Quietaire Mufflers

Dimensions in Inches (mm)

Port
Size NPT ISO R Flow Factor Dimensions
NPT (std) (opt) Cv + -10% Hex. L

1/8 MA001A MA001B 0.8 13/16 (20.6) 1.67 (42.4)
1/4 MA002A MA002B 2.4 13/16 (20.6) 1.78 (45.2)
3/8 MA003A MA003B 5.7 1-1/4 (31.8) 3.08 (78.3)
1/2 MA004A MA004B 6.9 1-1/4 (31.8) 3.29 (83.5)
3/4 MA006A MA006B 18.0 2 (50.8) 4.65 (118.0)

1 MA008A MA008B 20.0 2 (50.8) 4.65 (118.0)
1-1/4 MA010A MA010C 42.0 2-1/2 (63.5) 5.67 (144.0)
1-1/2 MA012A MA012C 39.0 2-1/2 (63.5) 5.67 (144.0)

2 MA016A MA016C 59.0 3 (76.2) 6.61 (168.0)
2-1/2 MA020A MA020C – 4 (102) 7.13 (181)

Male Thread

Female Thread

Port
Size NPT ISO R Flow Factor Dimensions
NPT (std) (opt) Cv + -10% Hex. L

1/8 MB001A MB001B 2 13/16 (20.6) 2.00 (50.9)
1/4 MB002A MB002B 2.7 13/16 (20.6) 2.17 (55.2)
3/8 MBP03A MBP03B 3.2 13/16 (20.6) 2.17 (55.2)
3/8 MB003A MB003B 4.9 1-1/4 (31.8) 3.47 (88.1)
1/2 MB004A MB004B 5.9 1-1/4 (31.8) 3.62 (91.9)
3/4 MBP06A MBP06B 5.9 1-1/4 (31.8) 3.64 (92.4)
3/4 MB006A MB006B 13.5 2 (50.8) 5.28 (134.0)

1 MB008A MB008B 16.7 2 (50.8) 5.43 (138.0)
1-1/4 MBP10A MBP10B 17.4 2 (50.8) 5.51 (140.0)

Technical Data

Maximum Pressure: 300 psig (20.7 bar)
Maximum temperature: 176°F (80°C)

Materials

Element: Brass wire
Base: Aluminum
Shell: Aluminum

Graphic Symbol

● Superior sound attenuation

● High flow capacity

● Low back pressure

● Corrosion resistant construction

● Brass mesh screen and aluminum construction provide improved

flow, longer life, and a cleanable element.

● 60 x 50 mesh – .007 wire diameter (several layers)

L

Hex.

L

Hex.

Littleton, CO USA Phone [phone] www.norgren.com

FIT-8-5

Nadir Air Exhaust Silencer

Dimensions in Inches (mm)

ABCDE

Model Barrell Overall Dia Thread Flats

MF-14 1-15/32 1-15/16 1-1/4 1/4 NPT 1-5/32

MFT-38 1-15/32 1-15/16 1-1/4 3/8 NPT 1-5/32

MF-38 1-3/4 2-5/16 1-1/2 3/8 NPT 1-1/4

MFT-12 1-3/4 2-5/16 1-1/2 1/2 NPT 1-1/4

MF-12 1-7/8 2-5/8 1-3/4 1/2 NPT 1-1/2

MFT-34 1-7/8 2-5/8 1-3/4 3/4 NPT 1-1/2

MF-34 3-5/16 4-7/8 2-3/8 3/4 NPT
MFT-1 3-5/16 4-7/8 2-3/8 1 NPT

MF-100 4-3/8 6-1/2 3 1 NPT

MFT-114 4-3/8 6-1/2 3 1-1/4 NPT

MF-114 5-9/16 8-11/32 4 1-1/4 NPT

MFT-112 5-9/16 8-11/32 4 1-1/2 NPT

MF-112 6-1/2 9-7/8 4-1/2 1-1/2 NPT

MFT-200 6-1/2 9-7/8 4-1/2 2 NPT

● Meets all OSHA standards

● Machined from high tensile aluminum with no

plastics or castings

● Will pass particle contaminates to 100 microns

● Easily cleaned for longer service life

● Can withstand temperatures of 1000 degrees F

Dimensional Data

Dimensional Data

Technical Data

Maximum Pressure: 150 psi (10 bar)
Maximum temperature: 1000°F (538°C)

Materials

Aluminum and Sintered Bronze

Graphic Symbol

C A

E

B

C A

D

D

B