GB 19762-2007: The minimum allowable values of energy efficiency and evaluating values of energy conservation of centrifugal pump for fresh water Delivery: 9 seconds. Download (and Email) true-PDF + Invoice. Newer version: (Replacing this standard) GB 19762-2025 Get Quotation: Click GB 19762-2007 (Self-service in 1-minute) Newer / historical versions: GB 19762-2025 Preview True-PDF (Reload/Scroll-down if blank)
