www.blackmer.com 101-031 page 4 / 4 CHARACTERISTIC CURVES Models: GX4, X4 Note: Non-metallic or metallic vanes. Metallic vanes Note: Metallic vanes recommended. recommended above 2100 cP (10,000 SSU). Blackmer Characteristic Curves are based on Brake Horsepower (BHp). To determine Motor Horsepower, drive train inefficiencies must be added to the BHp. Actual capacities are dependent upon the vapor pressure of the liquid and the inlet conditions of the system. * Centipoise (cP) to SSU conversion is based on a fluid specific gravity of 1.0. Centipoise = centistokes at 1.0 specific gravity.
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