Ingersoll Rand 22050090 Solenoid Valve 120V 246PSI (R28). Item is in good condition, original packaging. The Ingersoll Rand 22050090 is a 2-way solenoid valve, specifically designed for use with their air compressors. It’s a 1-inch NPT valve, operating at 100-120V and with a maximum pressure of 246 PSI. It’s also known as a “burkert 2way no” valve.