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Marvin/TN · 11-15-2016, 08:37 PM

The top blow gun most likely has an orifice in it to limit the PSI at the nozzle. Remove the long pipe, look in the body of the blow gun and you will see a brass orifice. you can either unscrew it or drill a bigger (1/8) hole in it. OHSA required the PSI limitation many years ago, about 40 years ago. I just drilled a bigger hole in it now have all the air I need. The bottom blow gun is probably the same bit I have never seen one like it. My blow gun had a short pipe. I drilled out the opening in it as well and soldered up the 4 holes opening side ways. They were to keep someone from getting hurt by pressing the end of the nozzle against the skin. I work by my self so no horse play with the air hose.

11-15-2016, 08:37 PM	#19
Marvin/TN Senior Member Join Date: May 2010 Location: Chattanooga, TN area Posts: 832	Re: Air Compressors and Blow Guns The top blow gun most likely has an orifice in it to limit the PSI at the nozzle. Remove the long pipe, look in the body of the blow gun and you will see a brass orifice. you can either unscrew it or drill a bigger (1/8) hole in it. OHSA required the PSI limitation many years ago, about 40 years ago. I just drilled a bigger hole in it now have all the air I need. The bottom blow gun is probably the same bit I have never seen one like it. My blow gun had a short pipe. I drilled out the opening in it as well and soldered up the 4 holes opening side ways. They were to keep someone from getting hurt by pressing the end of the nozzle against the skin. I work by my self so no horse play with the air hose.