KF 4/125...KF 6/730 - 8 Pages

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KF 4/125...KF 6/730

Catalog excerpts

Transfer Gear Pumps KF 4/125 ... KF 6/730 with magnetic coupling

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Transfer Gear Pumps KF 4/125 ... KF 6/730 with magnetic coupling 6 Plain bearing bush 2 Flange mounting cover 13 Bell housing 14 Driven motor Function Conventional sealing gaskets are pushed to their limits with different applications. Typical applications are found in polyurethane facilities, refrigerating machines and vacuum facilities. For these applications, you have the possibility to equip the KF 4/125 ... KF 6/730 with a magnetic coupling. The magnetic coupling serves as a shaft seal and for the transmission of the torque. The outer rotor of the magnetic coupling is assembled on the...

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Transfer Gear Pumps KF 4/125 ... KF 6/730 with magnetic coupling Materials Pump Housing and cover Gearing Bearing bushes DU (multi-compound plain bearings P 10, DP 4) optional Iglidur X Seals Inner rotor Hub made of stainless steel 1.4571 Magnets made of Sm2Co17 Magnet covering made of stainless steel 1.4571 Split case Flange made of stainless steel 1.4571 Pod made of stainless steel 1.4571 (From construction size 75; alternatively of Hastelloy In ceramics (Zr02Mg0) on request) Outer rotor Magnetic coupling Hub made of 355J2G3 (St 52) Magnet made of Sm2Co17 or NdFeB General Characteristics...

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Transfer Gear Pumps KF 4/125 ... KF 6/730 with magnetic coupling Working Characteristics Nominal sizes Working pressure Inlet port Standstill - 1 bar pe min 16 bar (1) pe max 25 bar (2) pe max 40 bar (3) pe max Pressures > 25 bar only after release by the KRACHT GmbH. Speed νmin νmin νmax = 12 mm2/s = 4 mm2/s (Special version for low viscose medias) = 8 000 mm2/s Media temperature pump Media temperature magnetic coupling 150 °C magnet material NdFeB 300 °C magnet material Sm2Co17 Ambient temperature Technical Data Pump Nominal size Speed range nmin 1/min

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Transfer Gear Pumps KF 4/125 ... KF 6/730 with magnetic coupling Selection Assistance Pump Permitted power consumption (kW) at n = 750 1/min Motor size Permitted power consumption (kW) at n = 950 1/min Motor size Permitted power consumption (kW) at n = 1450 1/min Motor size Coupling size Stat. cut-off torque The values stated in the table refer to a maximum media temperature of 80 °C. At media temperatures >80 °C are to be selected if necessary stronger magnetic couplings. The magnetic coupling should be designed by engineering. Here, the max. start-up torque needs to be considered and the...

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Transfer Gear Pumps KF 4/125 ... KF 6/730 with magnetic coupling Type Key Shaft end (drive) 2. Shaft end (drive throug) N straight shaft end with outboard bearing Construction of housing and mounting surface A for direction of rotation 1 or 2 0 without end cover (e. g. in the case of valve fitting) B Housing with flanged connections Construction code (specified by Kracht) Housing material and plain bearing Mounting equipment D EN-GJL-250 with multicomponent plain bearing bushes V EN-GJS-400-15 with multicomponent plain bearing bushes EPDM FKM CR FEP FKM HNBR HNBR seals seals seals seals...

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Transfer Gear Pumps KF 4/125 ... KF 6/730 with magnetic coupling Accessories Connection Flanges Ordering example Hex. Socket head cap screw acc. to DIN 912 single coil spring lock washer acc. to DIN 7980 2 pieces welding connector KF 4 complete welding connector with gasket and screws for the size KF 4 Material: ST 42 – 2 Ordering example Hex. Socket head cap screw acc. to DIN 912 single coil spring lock washer acc. to DIN 7980 2 pieces welding connector KF 5 complete welding connector with gasket and screws for the size KF 5 / 250 Material: ST 42 – 2 Nom- Pipe Weight size external Ø kg...

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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. Mobile Hydraulics Industrial Hydraulics / Test Bench Construction 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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