Description Fixed displacement Frame size 1, 2 Size 16 … 79 Nominal pressure 290 bar Maximum pressure 320 bar Displacement 15.9 … 79.3 cm³ Features High bearing life due to hydraulically-balanced drive shaft Low wear due to hydraulically unloaded vanes Low operating noise Easy to service due to exchangable pump cartridges Good efficiency Position of the suction port selectable Drive direction of rotation clockwise or counterclockwise Drive shaft optionally cylinderical or splined Use: For drives with high working pressure, for example, press brakes Product description Functional diagram Hydraulic pumps of type PVH are vane pumps with constant displacement. The rotor ( 2 ) running in a stator ring ( 3 ) is located on the tooth profile of the drive shaft ( 1 ). The slots of the rotor accommodate the vanes ( 4 ) which are pressed against the internal surfaces of the stator ring by the centrifugal force upon rotation of the rotor. The displacer chambers are laterally sealed by the control plates ( 5 ). Due to the double-eccentric design of the stator ring, there are in each case two pressure chambers opposite of two suction chambers, which provides for hydraulic unloading of the shaft. So it only has to transmit the torque. The vanes are partially unloaded upon passage through the suction range. This unloading has a wear-reducing effect and ensures high efficiency. By simply removing the cover ( 6 ), the pump insert (consisting of rotor, vane, stator ring and control plates) can be removed without the need of removing the housing ( 7 ) from the pump carrier. This allows for fast maintenance and repair of the pump. Section PVH Type code 01 02 03 04 05 06 07 08 09 10 11 12 PV H – 1X / 15 * Type 01 Vane pump, fixed displacement PV Series 02 High-pressure pump H Frame size BG 03 BG1 1 BG2 2 Series 04 Series 10 to 19 (10 to 19: unchanged installation and connection dimensions) 1X Size (NG) 016 020 023 025 028 032 035 041 045 050 058 064 070 079 05 Frame Size 1 ● ● ● ● ● ● ● – – – – – – – Frame Size 2 ● ● ● ● ● ● ● ● ● ● ● ● ● ● Direction of rotation 06 Viewed on drive shaft right R counterclockwise L Drive shaft 07 Cylindrical shaft with fitting key DIN 6885 A Splined shaft SAE J744 with involute tooth system according to ANSI B92.1a J Line connection 08 Suction and pressure port according to SAE J518; standard pressure series 15 Location of the suction port (with a view toward the drive shaft) 09 Above (0° from pressure port) D Below (180° from pressure port) U Right (90° to the right of pressure port) R Left (90° to the left of pressure port) L Seal material 10 NBR (nitrile rubber) M FKM (fluor-caoutchouc) V Mounting flange 11 101-2 (SAE-B) B Others upon request * Additional details 12 Information in the plain text * ● = Available – = Not available Technical data Frame size 1 2 Size 16 20 23 25 28 32 35 16 20 23 25 28 32 35 41 45 50 58 64 70 79 Component series 1X Mounting type Flange mounting Drive speed 1) n rpm 600 ... 3.600 600 ... 30 600 ... 3.600
Бесплатная доставка по РФ при заказе от 50 000 р.
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