⚙️ ANSI/HI 12.1-12.6 (Warman / GIW Slurry, Head Ratio HR & Efficiency ER Derating, d50)

Centrifugal Slurry Pump Derating Calculator

Calculate hydraulic head derating ($HR$) and efficiency derating ($ER$) factors for centrifugal slurry pumps (Warman AH / GIW LCC / Metso Outotec) under ANSI/HI 12.1-12.6: model slurry specific gravity ($SG_{slurry} = 1.2 ext{ to }2.2$), solid particle median diameter ($d_{50}$), determine required pump RPM and motor BHP, and mineral processing margins.

1. Project & Operating Inputs

Slurry Specific Gravity (SG e.g. 1.65 Heavy Mineral Tailings)

Clean Water Head Demand (Feet TDH e.g. 140.0 ft Clean Water Head)

Customer Bid Price for Supplied Warman Slurry Pump Skid ($)

Warman 8/6 AH High-Chrome Pump, 150 HP TEFC Motor, V-Belt Drive ($)

2. Financial Breakdown & Yield

ANSI/HI SLURRY DERATING

Turnkey Mining Slurry Pump Skid Profit

Severe-Duty Slurry Pumping Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Direct Cost