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6D

Quick Overview

THREE SCREW PUMP

Rated Flow: 6 to 385 gpm (23 to 1457 l/min)
Max Inlet Pressure: 50 to 75 PSIG (3 to 5 bar)
Max Outlet Pressure: 1000 to 1500 PSIG (70 to 103 bar)
Data Sheet

Series 6D IMO pumps are intended for relatively high pressure service on petroleum or similar viscosity
liquids. Typical applications include crude oil pipeline service, fuel atomization for burning in a
steam boiler, fuel injection for combustion gas turbines, fluid power service on hydraulically operated
machinery, gas sealing in centrifugal compressors and hydrostatic bearing support.

These pumps are hydraulically balanced in both the axial and radial directions which eliminates
bearing loads due to discharge pressure. The single bearing is external to the liquid pumped and
does not rely on the lubricating qualities of the pumped liquid. The single mechanical seal is exposed
only to inlet pressure. Very low airborne noise levels are normal for IMO three screw positive displacement
pumps as are high operating efficiencies and non-pulsating delivery of flow.

118 137 156
Rated Flow at 1750 RPM, 1500 psi/103 bar, 200 SSU 6 gpm 23 l/min 10 gpm 38 l/min 16 gpm 61 l/min
Max Inlet Pressure 75 psig 5 bar 75 psig 5 bar 75 psig 5 bar
Max Outlet Pressure Lube, Seal, Hydraulic Oil 1500 psig 103 bar 1500 psig 103 bar 1500 psig 103 bar
Distillate, Residual, Crude Oil 1000 psig 70 bar 1000 psig 70 bar 1000 psig 70 bar
Max Speed 5400 RPM 4400 RPM 4400 RPM
187 218 250
Rated Flow at 1750 RPM, 1500 psi/103 bar, 200 SSU 31 gpm 117 l/min 52 gpm 197 l/min 82 gpm 310 l/min
Max Inlet Pressure 75 psig 5 bar 50 psig 3 bar 50 psig 3 bar
Max Outlet Pressure Lube, Seal, Hydraulic Oil 1500 psig 103 bar 1500 psig 103 bar 1500 psig 103 bar
Distillate, Residual, Crude Oil 1000 psig 70 bar 1000 psig 70 bar 1000 psig 70 bar
Max Speed 4400 RPM 3600 RPM 3600 RPM
275 312P 312
Rated Flow at 1750 RPM, 1500 psi/103 bar, 200 SSU 114 gpm 431 l/min 135 gpm 511 l/min 174 gpm 659 l/min
Max Inlet Pressure 50 psig 3 bar 50 psig 3 bar 50 psig 3 bar
Max Outlet Pressure Lube, Seal, Hydraulic Oil 1500 psig 103 bar 1500 psig 103 bar 1500 psig 103 bar
Distillate, Residual, Crude Oil 1000 psig 70 bar 1000 psig 70 bar 1000 psig 70 bar
Max Speed 3000 RPM 2500 RPM 2500 RPM
350 400P 400
Rated Flow at 1750 RPM, 1500 psi/103 bar, 200 SSU 251 gpm 950 l/min 303 gpm 1147 l/min 385 gpm 1457 l/min
Max Inlet Pressure 50 psig 3 bar 50 psig 3 bar 50 psig 3 bar
Max Outlet Pressure Lube, Seal, Hydraulic Oil 1500 psig 103 bar 1500 psig 103 bar 1500 psig 103 bar
Distillate, Residual, Crude Oil 1000 psig 70 bar 1000 psig 70 bar 1000 psig 70 bar
Max Speed 2500 RPM 2500 RPM 2500 RPM

Product Specifications

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