Al's Annual Inspection Thread 2015

[ATannahill]

Originally Posted by Thad House

Something Ive always wondered, and I've always gotten different answers to. Is the 125 for the pressure relief valve the pressure it releases to, or the pressure it starts releasing. I've always seen that if its set to never let the pressure go above 125, it usually reliefs down to about 110 psi. If we set it so it wont let the pressure go above 135, if reliefs down to 125. Which method is correct? Some inspectors ive seen want it one way, and some want it another.

Originally Posted by R76

The relief valve must be attached directly to the compressor or attached by legal hard fittings (e.g. brass, nylon, etc.) connected to the compressor output port. If using an off-board compressor, an additional relief valve must be included on the ROBOT.

Originally Posted by R76 Blue Box

If necessary, Teams are required to adjust the relief valve to release air at 125 psi. The valve may or may not have been calibrated prior to being supplied to Teams.

You should not have to worry because it will only reach 125 when being tested.