39490693 Minimum Pressure Valve FOR Ingersoll Rand Air Compressor Parts. We are professional industrial parts supplier of accessories and replacement parts. We apply comprehensive quality check and testing before dispatching. 30 Days Free Replacement. If you receive a defective item e. Please note as below. Return items MUST have all ORIGINAL packaging and accessories. We may not accept your return without informing us in advance. Thank you for your patience in browsing.