A hand-held pneumatic tool providing a high-energy compressed air stream suitable for basic blowing and surface cleaning activities. It is recommended that such guns be equipped with special outlet nozzles to ensure minimal energy loss and the appropriate air flow rate and holes to prevent contact blowing, e.g. with a part of the human body.

There are two unsafe issues related with Blow guns: viz, noise and injury. 

Blowing with compressed air can result in:

  • Elevated noise levels that can be harmful to both the operator as well as the surrounding persons.
  • Smaller particles and dust can bounce back toward the operator and enter the eyes or penetrate blood vessel in the body.

As per OSHA standards, the Blow guns should not be used with more than 30 psi (2 Bar) air pressure.  Also, they should be used with eye protection and chip guards to protect the operator.