DuroTec® Gear Pumps DT - 12 Pages

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DuroTec® Gear Pumps DT
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Catalog excerpts

DuroTec® Gear Pumps

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DuroTec® Gear Pumps DT Description polyols with hard fillers as can be found in the PUR-technology. Under air or humidity influence, crystallisation of these fluids occurs and agrivates the lack of lubricity. DuroTec® Gear Pumps DT for abrasive and poor lubricating fluids. In the year 1990, KRACHT initiated the development of Gear Pumps for abrasive and poor lubricating fluids. Since then, this development has been subsequently improved. The gear (gear wheel and shafts) is surrounded by SIC bearing bush. The gear is high-rigid protected against wear, taken the requirements regarding material,...

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DuroTec® Gear Pumps DT Materials Housing Flange cover Steel, hard material coated Sliding plates Steel, hardened and nitrated Shaft sealing Mechanical seal with Quench chamber incl. Quench tank Characteristics Geometrical displacement Mounting position Fixing type DT 3 = flange (4-hole flange DIN ISO 7653) DT 5 = flange (SAE-C 2-hole-flange) Inlet port Outlet port 500 up to 50 000 (higher viscosities on request) Fluid temperature Ambient temperature

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DuroTec® Gear Pumps DT Input Power kinematic Viscosity ν mm2/s Diagramm: n, f ν = f (ν) Note: To determine the power consumption, always take the max. working viscosity at starting state into consideration. The power of the drive motor should be selected 20 % higher than the value determined.

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DuroTec® Gear Pumps DT Discharge Flow / Input Power Calculation Example: Pump type DT 3 / 63 Pump power consumption (kW) Power consumption Working pressure Speed (1/min) Dependent on viscosity! (see chart) Discharge flow (l/min) with Q = Viscosity factor (see chart) becomes P Pu = (2.89 + 0.017 · 28) kW P Pu = 3.37 kW Motorpower output: P Mot = 1.2 · P Pu = 4 kW Select helical geared motor with P = 4.0 kW n = 500 1/min Calculation Formulas for Hydraulic Pumps Characteristic data, formula signs, units Total efficiency Volumetric efficiency Hydr./mech. efficiency Flow velocity Pipe diameter Volumetric...

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DuroTec® Gear Pumps DT Type Key Ordering example 0 Y Q 70 Seal 70 Mechanical seal with Quench chamber incl. Quench tank Type of gearing Q Steel, hard material coated Code for materials Housing and bearing execution Y Gray cast iron housing, SIC bearing bush Design serial no. 0 (specified by KRACHT) Adaptor pieces 0 without Second shaft end 0 without Shaft end Y Cylindrical shaft Ø 32 - DT 3 Z Cylindrical shaft Ø 32 - DT 5 Housing connection G Inlet port 1 1⁄2" SAE-connection (Ø 40) Outlet port 1 1⁄4" SAE-connection (Ø 32) (Vg 63) J Inlet port 2" SAE-connection (Ø 50) Outlet port 1 1⁄4" SAE-connection...

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DuroTec® Gear Pumps DT Inlet port Outlet port Outlet port KRACHT GmbH • Gewerbestr. 20 • 58791 Werdohl, Germany • fon +49(0)23 92/935-0 • fax +49(0)23 92/935 209 • mail info@kracht.eu • web www.kracht.eu

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DuroTec® Gear Pumps DT Inlet port Outlet port Inlet port Outlet port

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DuroTec® Gear Pumps DT Inlet port Outlet port Inlet port Outlet port KRACHT GmbH · Gewerbestr. 20 · 58791 Werdohl, Germany · fon +49 (0) 23 92 / 935-0 · fax +49 (0) 23 92 / 935 209 · mail info@kracht.eu · web www.krac

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DuroTec® Gear Pumps DT All pump nominal sizes and motor sizes can be combined with each other. 10 KRACHT GmbH • Gewerbestr. 20 • 58791 Werdohl, Germany • fon +49(0)23 92/935-0 • fax +49(0)23 92/935 209 • mail info@kracht.eu • web www.kracht.eu

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DuroTec® Gear Pumps DT Motor 8-pole Power Speed kW 1/min Motor 6-pole Power Speed kW 1/min Motor 4-pole Power Speed kW 1/min Bell housing All motor dimensions and date refer to AC motors; other motor makes on enquiry. Motor type IMB35. All pump nominal sizes and motor sizes can be combined with each other. (Dimensions in mm)

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Product Portfolio Gear Pumps Flow Measurement Gear pumps for lubricating oil supply equipment, low pressure filling and feed systems, dosing and mixing systems. Gear, turbine and screw type 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...

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