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High Pressure Internal Gear Pumps QX
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Catalog excerpts

High Pressure Internal Gear Pumps QX - 1

QX internal gear drive units motion and progress >

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High Pressure Internal Gear Pumps QX - 2

Optional drain port The QX series > QX QXM QXV QXT Advances in the manufacturing process have made it possible tobuild pumps that are considerablylighter and more compact, without placing higher demands on the individual components. A redesigned and optimised toothprofile has produced another significant reduction in noise levels.Larger sealing areas have producedhigher efficiencies. The QX seriescan be used not just as particularly quiet internal gear pumps, but alsoas high-performance motors, asprecision flow dividers, or as very reliable pumps for low-viscosity fluids. The units have...

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High Pressure Internal Gear Pumps QX - 3

Applications Advantages Hydraulic presses֖Plastics machineryPressure die casting machines֖Hydraulic power units Waste compactors ֖Machine tools Elevator drives ֖Lift trucks noise levels from 53 - 68 dB(A)depending on pump model֖ service life more than 20,000 hrs volumetric efficiency up to 98% Technical data Functional features Cont. pressure:max. 320 barInter. pressure:max. 400 barDisplacement:5 ֖ 500 cm The straightforward and robustdesign ensures long life without the need for costly maintenance. More than 1,000 types of Bucher double and multiple pumps are in service around the globe...

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High Pressure Internal Gear Pumps QX - 4

Advantages What does the QXV pump? Applications ֖ 250 bar maximum pressureis possible at viscositiesclose to 1 mm Test stands for fuel controllers ֖ Fuel pumps for gas turbines Welding plants ֖ Test stands for fuel injectors Steel works֖ Lubricating oil supplies Coolant pumps Low-viscosity mineral oilsGas turbine/aviation jet fuel Diesel fuelParaffin oil/keroseneBrake fluids Water-glycols HFA fluidsand many others > 2 /s֖ volumetric efficiency up to 95% noise level < 58 dB(A) ֖optimised flow path cross-sections ensure low risk of cavitationcast parts are phosphatedfor good emergency...

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High Pressure Internal Gear Pumps QX - 5

Applications Functional features Air conditioning unitsRail track machineryWaste compactors Hydraulic presses Series QXT flow dividers are internalgear units that can divide a flow intoas many as four portions. The division ratios are constant and are unaffected by the actuator loads. They can be used, for example, toprovide synchronised movement ofunequally loaded cylinders. Displacement:5 250 cm Technical data Avantages > 3 /revCont. pressure:250 barInter. pressure:320 bar Speed:400 ֖ 6,300 rpm Part-flows:2, 3 or 4 Viscosity range:10 300 mm ֖division accuracy up to 98%inlet flow can be...

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High Pressure Internal Gear Pumps QX - 6

Functional features Avantages The QXM drive unit can be used inopen- and closed-loop circuits. It works as a pump to lift a load, andwhen the load is lowered it then works as a motor to recover energy.In 4-quadrant mode, the drive unitcontrols the complete motion cycleof a cylinder. ֖can be used in pump and motormodesspeeds of more than 10,000 rpmcan be achieved֖mode changeover within milliseconds1, 2 and 4 quadrant operation֖direct control of differential anddouble-piston rod cylindersenergy recovery Application areas ֖High-storage warehousesHydraulic elevators ֖Rope winch drivesFork lift...

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