Screw-Type Flow Meter SVC - 16 Pages

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Screw-Type Flow Meter SVC
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Catalog excerpts

Screw-Type Flow Meter

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Screw-Type Flow Meter SVC Description Screw-type flow meters belong to the group of positive displacement flow meters. Two measuring spindles (pos. 2) with a screw-shaped profile engage with each other. They are low-friction mounted using roller contact bearings (pos. 3) and enclosed by a housing (pos. 1). The liquid flow causes the spindles to rotate and passes through the device in an axial direction. In so doing, self-contained part volumes are formed which are continuously filled and emptied. This principle of measurement causes no pressure and/or flow pulsations. A sensing wheel attached...

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Screw-Type Flow Meter SVC Accuracy Characteristics The accuracy figures quoted by KRACHT refer to the impulse volume [cm3/lmp], that is to say the percentage deviation applies to the current value The linearity error over the entire measuring range From a viscosity of 20 mm2/s amounts the accuracy <, ± 0.2% about the whole measuring span of 1:150. Accuracy checking forms part of quality inspection On request the result of the test will be documented in the form of an accuracy characteristic curve; an example relating to a SVC 10 A1 is given below. The accuracy values quoted by Kracht are confirmed by...

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Screw-Type Flow Meter SVC Measuring spindles Heat-treated steel Roller contact bearing Heat-treated steel (other sealing materials on request) Mounting position Flow direction Connection type Pipe thread, SAE-flange, DIN-flange Working pressure Max. pressure drop (short-time) A p, Sound power level SVC 10 Permitted Temperature Ranges Sealing Materials Ambient temperature Media temperatures: Standard version High temperature version Working Characteristics Resolution Resolution (K-factor) (K-factor) Pulse Measuring rate chamber Starting point Mounting position horizontal vertical l/min l/min Note:...

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Screw-Type Flow Meter SVC Ordering example Design code number Connection type Spindle bearing 1 Roller contact bearing 2 Roller contact bearing with NBR-sealing Nominal size 10 Qnenn 100 l/min (Qmax 40 Qnenn 400 l/min (Qmax 100 Qnenn 1000 l/min (Qmax 250 Qnenn 2500 l/min (Qmax Product name 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 5

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Screw-Type Flow Meter SVC Electrical Connection Signal output channel 1 Electrical Characteristics measuring channels Operating voltage Pulse amplitude Pulse shape with symm. output signal Signal output square wave pulse duty factor/channel Pulse offset between Power requirement Output power/channel Signal Characteristics (corr. to flow rate of geom. tooth volume Vgz) F pulse duty factor 1:1 ±15% K reversal of flow direction 6 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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Screw-Type Flow Meter SVC Explosion-Proof Design (ATEX) All screw-type flow meters are available in explosion- proof design according to ATEX. The explosion-proof design consists of the screw-type flow meter (intrinsically safe electrical apparatus) and the switching amplifier K130 (associated electrical apparatus). The type of protection „intrinsic safety" applies to this construction. The screw-type flow meter is installed in the potentially explosive atmosphere. The mounting of the amplifier K130 is carried out • Screw-type flow meter and switching amplifier are electrically connected to each...

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Screw-Type Flow Meter SVC Dimensions SVC 10 (in mm) Connection – Pipe thread (SVC 10 A1 G1) Connection – SAE-flange (Code 61) (SVC 10 A1 F1) Connection – DIN-flange 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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Screw-Type Flow Meter SVC * plus 3 mm for electronic type "H" Available DIN-flanges - type SVC 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 11

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Screw-Type Flow Meter SVC Dimensions SVC 40 (in mm) Connection – Pipe thread (SVC 40 A1 G1) Connection – SAE-flange (Code 61) (SVC 40 A1 F1) Connection – DIN-flange 12 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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Screw-Type Flow Meter SVC * plus 11 mm for electronic type "H" Available DIN-flanges - type SVC 40 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 13

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Screw-Type Flow Meter SVC Connection - Pipe thread (SVC100A1 G1) Connection - DIN-flange 14 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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Screw-Type Flow Meter SVC * plus 11 mm for electronic type "H" Available DIN-flanges - type SVC 100 plus 11 mm for electronic type "H' 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 15

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

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