dd15 air compressor safety valve brands

New replacement air compressor pressure safety relief valves. Using the correct one for your application is critical for safety. If you need help picking the right one, please call us for assistance.

hey guys i have a 2004 freightliner century st with the detroit 60 series 12.7 egr engine...i had the truck sitting in the yard for about a year and i would start it once a week or so,i was saving money for an inframe motor job because i had compression in the radiator...anyways on my way to the shop i was going too,to get an engine inframe done on it,the air compressor safety valve was popping like a fire cracker...i only drove the truck 20 miles to the shop and right before i got to the shop the air compressor safety valve was popping air out of it...the mechanic did the inframe engine job already..and now its time to figure out whats wrong with the air compressor safety valve popping off air like that...well we started already by changing the safety valve on top of the compressor but that didnt fix it...you guys know what it might be???from what this mechanic is saying is,it could be the air dryer filter or the compressor...

If the tank is over pressurized, the pressure switch isn"t shutting off the motor when the air tank fills to the cut-out pressure. Move the pressure switch lever to the off position. If the compressor continues to run, replace the pressure switch, because the switch isn"t shutting off the compressor motor.

If the compressor shuts off when you move the pressure switch lever to the off position, pull the safety valve ring and release all air from the tank. Switch the pressure switch lever to the on position and allow the tank to fill. If the compressor doesn"t shut off when the air tank fills to the cut-out pressure, replace the pressure switch, because the switch isn"t shutting off the compressor motor when tank pressure reaches the cut-out pressure.

Safety valves are installed in air compressor heads and air dryers. They will release excess air pressure in the event that a restriction causes higher than expected air pressure. Never replace a safety valve with a plug!