KP 0 - 12 Pages

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Catalog excerpts

High Pressure Gear Pumps

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High Pressure Gear Pumps KPO KRACHT 2 KRACHT GmbH • Gewerbestr. 20 • 58791 Werdohl, Germany • fon +49(0)2392/935-0 • fax +49(0)23 92/935 209 • mail info@kracht.eu • web www.kracht.eu

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High Pressure Gear Pumps KP 0 Construction According to its design, the Kracht KP 0 external gear pump belongs to the type of so-called gland type pumps. The essential functional elements, gearing and bearing glands are located in an aluminium housing of high-strength extruded alloy, which is limited laterally by the the cover plate and flange cover. The gearing, made of case hardened steel with surface hardening, consists of the drive shaft wheel and pin wheel. The highest manufacturing quality is guaranteed by shaving the tooth flanks. The shaft journals are finely ground. Due to the high number...

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High Pressure Gear Pumps KP 0 Materials Housing double-gland bearing with multicomponent plain bearing bushes Shafts and gear wheels surface hardened and ground case hardened steel acc. to DIN 17210 Characteristics Mounting flange mounting Pipe connection threaded connection Fitting position Ambient temperature Working pressure Inlet port Working pressure Short time Working pressure Outlet port Fluid temperature νmin νmax Recommended filtration filter with filtration quotient β 20 ≥ 75 for … 280 bar β 25 ≥ 75 for … 100 bar Recommended viscosity range Discharge flow Input power Hydraulic fluids mineral...

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High Pressure Gear Pumps KP 0 Technical Data Nominal size geom. displacement Nominal pressure Continuous working pressure Time / pressure chart Maximum pressure = pressure peak Nominal pressure pN < 6 s = 50 % ED See time / pressure chart max. permissible working cycles: 30 / min Pressures as specified are applicable to ν ≥ 30 mm2/s Calculation Formulas for Hydraulic Pumps Volumetric flow Approximate values for KRACHT products in the nominal working point KP 0 ηtot ηvol Drive torque Characteristic data, formula signs, 1. Discharge flow / input flow 2. Pump / motor displacement 3. Pressure 4. Speed...

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High Pressure Gear Pumps KPO Discharge Flow and Required Input Power Discharge flow Q in l/min at 34 mm2/s Required input power at n = 1495 1/min 6 KRACHT GmbH • Gewerbestr. 20 • 58791 Werdohl, Germany • fon +49(0)2392/935-0 • fax +49(0)23 92/935 209 • mail info@kracht.eu • web www.kracht.eu

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High Pressure Gear Pumps KP 0 Type Key Ordering example K 1 0 S M 0 A 8 M L 1 Seal 1 NBR rotary shaft lip type seal ϑ ≤ 85 °C Type of gearing L Shaft and pin wheel made of case-hardened steel Code for materials M Housing: aluminium alloy with bearing bushes Design serial no. 8 (specified by KRACHT) End cover A (standard type) Second shaft end 0 without Shaft end M Taper 1 : 8 Housing side ports S Inlet and outlet port G 3⁄8 Vg 1 – 4 G 1⁄ 2 V g 6 – 8 Outboard flanges or bearing resp. 0 without Direction of rotation 1 clockwise 2 anticlockwise Flange mounting cover K 4 bolt rectangular flange LA...

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High Pressure Gear Pumps KP 0 K-Flange, Tapered Shaft End A Inlet port Outlet port The direction of rotation as represented is clockwise In case of anticlockwise rotation the inlet and outlet ports are opposite Ordering example: Nominal displacement Bell Housing Bell housing with ventilation or leakage hole on request N Motor size Bell housing Weight in kg Coupling size

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High Pressure Gear Pumps KP 0 Length of the coupling hub and the hub bore pump sided Coupling size Ordering example: Coupling Weight Moment size of inertia kg Length of the coupling hub and the hub bore motor sided Straight hub bore min. min. max. max. Part Part Part Part Part Part 2 3 2 3 2 3 – Finished bore Rough bore s Internal flexible coupling block of polyurethane shore hardness 92° Colour: yellow Ordering code Working temperatur: -- 40 °C to + 90 °C (short time temperature peaks up to + 120 °C are permissible) RA: Hub material Al Weights as well as moments of inertia relate to the max....

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High Pressure Gear Pumps KPO Motor-Pump Assemblies Power Speed Bell housing Coupling size Motor Bell housing Motor frame sizes are based on Schafer. Other manufactures motors can be supplied on request as IM B 35. 10 KRACHT GmbH • Gewerbestr. 20 • 58791 Werdohl, Germany • fon +49(0)2392/935-0 • fax +49(0)23 92/935 209 • mail info@kracht.eu • web www.kracht.eu

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High Pressure Gear Pumps KP 0

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Product Portfolio Transfer Pumps Flow Measurement Transfer pumps for lubricating oil supply equipment, low pressure filling and feed systems, dosing and mixing systems. Gear and turbine flow meters and electronics for volume and flow metering technology in hydraulics, processing and laquering technology. Industrial Hydraulics / Test Bench Construction Mobile Hydraulics Single and multistage high pressure gear pumps, hydraulic motors and valves for construction machinery, vehicle-mounted machines. Cetop directional control and proportional valves, hydraulic cylinders, pressure, quantity and stop...

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