BS PD ISO/TR 19688:2019 describes hydraulic performance tests (including cavitation tests) using a small size pump (centrifugal, mixed flow or axial pump, hereinafter referred to as a "model pump").Cross References:ISO 17769-2ISO 17769-1IEC 62097ISO 20456JIS B8327:2013ISO 8316IEC 60193ISO 5198ISO 80000-1ISO 5167-2ISO 5167-1ISO/IEC Guide 98-3ISO 5167-4ISO 4185ISO 5167-3ISO 9906:2012All current amendments available at time of purchase are included with the purchase of this document.