PDF Hydro Leduc XP serie - Total Hydraulics BV

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AccessoriesXP series pumps■■By-pass valve for XP pumpsFor XP pump applications where the pump is driven by a continuous runningPTO (PTO which cannot be disengaged), Hydro Leduc offers a by-passvalve which is fitted onto the back of the pump. This solution allows thecontinuous running of the pump :--without creating problems of fluid overheating ;--without affecting pump service life ;--with no modifications necessary to the hydraulic equipment on the truck.■■How does it work ?The by-pass valve is a 12 or 24 Volt solenoid valve. When not activated, itenables pump output to link up to pump inlet. When it is activated, the pumpoper ates normally (output flow).Leduc part number 12 Volt 24 VoltXP12 to XP63 BP63 0521180 BP63 0517931XP80 to XP130 BP80 0521185 BP80 0517811■■Overhang torque of XP pumps fitted with by-pass valvesPumpmodelwithout inletfittingWeightwith inletfitting 2"without inletfittingOverhang torquewith inletfitting2"kg kg N.m N.mXP12 12.8 13.25 16.32 16.90XP18 12.85 13.3 16.39 16.96XP25 12.9 13.35 16.44 17.02XP32 14.7 15.15 18.98 19.56XP41 14.75 15.2 19.04 19.62XP50 14.8 15.25 20.05 20.676MApplicationcircuitXP63 14.85 15.3 20.12 20.73XP80 18.45 18.9 27.16 27.82XP108 18.55 19 27.31 27.97XP130 18.95 19.4 28.16 28.93For some applications, we recommend using an external drain.BCAdrain G ¼"FEDGH118J■■Dimensions including by-pass valvePump model A B C D E F G H JXP 12 / 18 / 25 289.35223.04202.19132.20114.72 97.58 3/4" 54 108XP 32 / 41 295.5 229 208.3 137.3 120.1 102.7 3/4" 54 108XP 50 / 63 307.1 240.4 220 147.1 129.7 112.5 3/4" 54 108XP 80 / 108 334 269 246.7 157.8 143.9 124.8 1" 60 123XP 130 336.3 271.3 249 159.7 145.8 126.7 1" 60 123.5
Shaft sealingXP series pumpsLeduc pumps destined for truck hydraulics (XP, PA, PAC and TXVseries) are all fitted with reinforced sealing comprising :■■Examples of tube attachment●●two radial seals : an external seal adapted to the needs of PTOs and gearboxes;and an internal seal adapted to the needs of hydraulic performance;●●an original protection of the pump shaft seals. This is a flexible transparenttube which avoids any entry of contaminants between the two seals, andguarantees high pressure water jet cleaning of vehicle will not damage thesealing area. It also allows air vent of the chamber between the two seals.✔ Recommendations for attaching the protective tube :●●make a siphon with the tube so as to avoid any introduction of :●●dirt from road;●●water or damp from high pressure washing of vehicle;●●put the end of the tube downwards, or in a place sheltered from anyprojections;●●fix the tube in place using a collar/clip.7✘ Avoid :●●attaching the tube to any parts which may move, this could lead to it beingdamaged or torn off;●●any pinching or folds in the tube when fixing it in place;●●any obturation of the end of the tube.HYDRO LEDUC stresses that on non-sealed PTO installationsit is the hydraulic pump which ensures the sealing of thevehicle gearbox.This is why Hydro Leduc offers tried and tested solutions approvedby vehicle manufacturers.Note in particular the pump – PTO sealing via a frontal square sectionring seal ensuring metal to metal contact between pump and PTO.Do not use paper gasket.
Page 1 and 2: hydraulic piston pumps for trucksXP
Page 3 and 4: Design ofXP series pumpsThe XP rang
Page 5 and 6: PerformanceXP series pumps■■Tor
Page 7: Direction of Dimensions rotationXP
Page 11 and 12: other product lineshydraulic motors

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