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All air guns operate on compressed air—compressed air that can be extremely dangerous if misused, or if horse-play in the workplace occurs. Not only can workers be severely injured from the use of non-compliant, illegal air guns, but compliance failures can mean steep fines for violators. Although OSHA Standards pertaining to air guns can be confusing, OSHA's three primary concerns are Noise, Output Pressure and Chip-Guarding.

To address excessive noise in the workplace OSHA has developed permissible daily noise exposure specifications. Since air guns can potentially contribute to high levels of occupational noise, Guardair safety air guns incorporating noise suppression nozzles can be an important component in moving towards noise level compliance.

OSHA Standard Related to Noise
Occupational Noise Exposure
OSHA Standard 1910.95

Guardair Safety Air Guns Incorporating Noise Suppression Nozzles

Part Number
Model/Descripton
Noise Level (db)*
80/80WJ
Whisper Jet
93
80LJ Series
Whisper Jet Extended Reach
99
84CNA
Whisper Jet Nozzle
93
86FLX
Flextension
93
980
Thumbswitch Whisper Jet
89
F5 QuietForce Series
Force 5 QuietForce Extended Reach
101
INF QuietForce Series
Inforcer QuietForce Extended Reach
101

* Measured at 100 psi inlet pressure.

Guardair recommends the use of noise suppression nozzles and/or hearing protection equipment as part of a comprehensive noise control program.


Factory air compressors and air lines nominally operate at pressures between 80 and 120 psi (pounds per square inch). Most pneumatic tools, including air guns, require such high pressures to operate effectively. However, OSHA Standards requires that in the event such air lines are dead-ended (i.e. if the tip of an air gun is blocked) the static output pressure at the point of the blockage may not exceed 30 psi. All Guardair safety air guns incorporate nozzle designs which are engineered to meet, or exceed, this 30 psi requirement.OSHA Standard and Instruction Related to Output Pressure



OSHA Standard and Instruction Related to Output Pressure

Compressed Air Used for Cleaning

OSHA Standard 1910.242(b)
 

Reduction of Air Pressure Below 30 psi for Cleaning Purposes

STD 01-13-001

 

Static Output Pressure for Guardair Safety Air Guns*

Part Number
Product/Description
Noise Level (db)*
57S30XB
Original
16
74BH
Blind Hole
13
74H
Air Miser
N/A
75LJ Series
Long John Extended Reach
17
74S/SK
Jet Guard
13
75XT Series
Xtra Thrust Extended Reach
18
75XXT
Xtra Thrust
23
76S006
Booster
13
80/80WJ
Whisper Jet
N/A
80LJ Series
Whisper Jet Extended Reach
N/A
84CNA
Whisper Jet Nozzle
N/A
86FLX
Flextension
N/A
900
Thumbswitch
16
86FLX
Flextension
N/A
900
Thumbswitch
16
900LJ Series
Thumbswitch Extended Reach
13
900S
Thumbswitch
3
970
Thumbswitch
11
980
Thumbswitch Whisper Jet
N/A
F5 Venturi Series
Force 5 Venturi Extended Reach
16
F5 QuietForce Series
Force 5 QuietForce Extended Reach
7
HYD Series
HydroForce Extended Reach
10
INF Venturi Series
Inforcer Venturi Extended Reach
16
INF Steel Series
Inforcer Steel Extended Series
16
INF QuietForce Series
Inforcer QuietForce Extended Reach
7
LZR600
Lazer Palm Switch
14
LZR650
Lazer Pistol Grip
14
LZR600 Series
Lazer Palm Switch Extended Reach
16
LZR650 Series
Lazer Pistol Grip Extended Reach
19
U75LJ Series
ULTRA Venturi Extended Reach
18
U75XT Series
ULTRA Xtra Thrust Extended Reach
20
U80WJ2
ULTRA Whisper Jet
N/A
U80WJ Series
ULTRA Whisper Jet Extended Reach
N/A

* Measured at 100 psi inlet pressure.

** Static Output Pressure measured at nozzle tip when dead-ended. N/A indicates nozzle tip cannot physically be blocked.

Guardair recommends the use of OSHA compliant safety air guns to insure that static output pressure does not exceed 30 psi.


When blowing off debris with an air gun in close quarters, workers may be subject to "chip fly-back." This term refers to the tendency of loose particles or chips to fly back into the operator's face, eyes or skin. For operations that require close-in work, OSHA mandates that "effective chip guarding" be incorporated into the workplace. Effective chip guarding means methods or equipment that will prevent chips or particles from flying back at the operator. Guardair offers several safety air gun models incorporating the Air Shield nozzle, which protects the operator from chip fly-back.

OSHA Standard and Instruction Related to Chip-Guarding

Compressed Air Used for Cleaning

OSHA Standard 1910.242(b)
 

Reduction of Air Pressure Below 30 psi for Cleaning Purposes

STD 01-13-001

Guardair Safety Air Guns Incorporating Air Shield Nozzles

Part Number
Model/Description
57S30XB
Original
74BH
Blind Hole
74S/SK
Jet Guard
76S006
Booster

Guardair recommends the use of air shield nozzles as well as barriers, screens, and/or personal protective clothing for effective chip-guarding.