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ROTAN® PD

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ROTAN® PD

Product catalog summary

Specifications:

PD pumps are designed for refinery and petrochemical applications with all pressure-containing components made of carbon steel.
They meet API 676 2nd edition standards with few exceptions.
Available in 90° angular configurations.
Capacity range: Up to 250 m³/h (1100 gpm).
Speed: Up to 1750 rpm.
Differential pressure: Up to 16 bar (232 psi).
Suction lift: Up to 0.5 bar (7.25 psi) vacuum while priming and up to 0.8 bar (11.6 psi) vacuum while pumping.
Viscosity range: Up to 250,000 cSt.
Temperature: Up to 250°C (482°F).
Suitable for pumping fuel, oil, gasoline, lube oil, grease, other hydrocarbon-based fluids, additives, bitumen, polystyrene, and wax.

Design and Standards:

Design pressure according to ANSI 300 Lbs or Pn40.
Capacity range for specific models: Up to 170 m³/h (748 gpm).

Selection of Pump Size:

To select the pump size, know the capacity and viscosity.
Use the table to draw lines based on viscosity and capacity to determine pump size.
Adjust capacity if the intersection does not align with a pump line.
Maximum speed is indicated by a small black dot and should be reduced by 50% for abrasive liquids or emulsions.

Power Calculation:

Shaft power is calculated using: E(KW) = 0.07 x flow (m³/h) x differential pressure (bar).
Increase shaft power by up to 35% for small pumps with high viscosity (over 10,000 cSt).
Decrease shaft power by up to 35% for large pumps with low viscosity (under 500 cSt).

Additional Notes:

ED: Capacity curve up to 151.
GP: Capacity curve up to 101.

Catalog excerpts

ROTAN® PDPetrochemical Duty Pumps ROTAN® PD • PD pumps are designed for refinery and petrochemical applications, all pressurecontaining • Components are in carbon steel. • Design pressure according to ANSI 300 • Lbs or Pn40. PD pumps meet API 676 2nd • Edition standards with only a few exceptions. • Capacity Range Up to 170 m3/h / 748 gpm Capacity Range PD pumps are designed for refinery and petrochemical applications, all pressure-containing components are in carbon steel PD pumps meet API 676 2nd edition standards with only a few exceptions. Available with 90° angular configurations. MARINE & OFFSHORE DEFENCE & FUEL

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Selection of Pump size PLEASE NOTE! ED: Capacity curve up to 151 GP: Capacity curve up to 101 To select the pump size with this table, you should only know: - The capacity - The viscosity We start at the top of the table with the viscosity, and draw a line down, staying within the colour of the selected viscosity range (see example). Then we start at the right of the table, drawing a horizontal line starting with the required capacity (see example). The point where these two lines meet determines the pump size, defined by the diagonal lines in the table. If you do not hit one of these pump lines...

Open the catalog to page 2

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