Ingersoll Rand 2-way Solenoid Valve 22050090 (B604). Please message us if you have any questions or need any additional information or pictures. 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.