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DMVA D Double Motor Short Description

DMVA D Double Motor Short Description

DMVA D Double Motor Short Description

Product catalog summary
Overview: The Liebherr DMVA series axial piston double motors are designed for use in mobile machinery operating in harsh environments. These motors are suitable for both open and closed circuits and feature a swashplate design with a swivel angle of 22°, offering high efficiency and power density.
Specifications: The DMVA motors are available in nominal sizes ranging from 165–108 to 215–165. They operate at a nominal pressure of 6,527 psi (450 bar) and a maximum pressure of 7,252 psi (500 bar). The motors support variable displacement and are equipped with a shared connecting plate for simplified hydraulic line installation.
Performance: The motors can achieve a maximum speed of 3,000 rpm at full displacement and 4,500 rpm at reduced displacement. The displacement flow rates and output power vary by model, with the highest output power reaching 998 hp (744 kW) and maximum torque of 1,941 lbf·ft (2,631 Nm).
Control Options: Various control types are available, including electro-proportional regulation and hydraulic regulation dependent on steering pressure. Additional control functions can be requested.
Technical Data: The motors feature a splined shaft profile, centering diameter, connection diameter, and specific dimensions for width, length, and pressure connections. The design allows for through-drive capability, and different mounting flanges and shaft ends are available.
Type Code: The type code provides detailed options for motor type, circuit type, nominal size, control, design, rotation direction, mounting flange, shaft end, connections, accessories, through drive, valve, and sensors.
Company Information: Liebherr-Components AG offers a wide range of solutions in mechanical, hydraulic, electric, and electronic drive and control technology. The company operates ten production sites globally, ensuring high-quality standards and comprehensive customer service.
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Catalog excerpts

DMVA D Double Motor Short Description-1

Short description Axial piston motor DMVA --- The Liebherr axial piston double motors in the DMVA series are designed as swashplates for open and closed circuits and were specially developed for use in mobile machinery in harsh environments. The inverse drive with a swivel angle of 22° is very efficient and has a very high power density, making it ideal for applications that require a variable displacement to hydraulic motor. These flanged variable displacement double motors are available in nominal sizes from 165–108 to 215–165. The nominal pressure of the units is 6,527 psi (450 bar) and the maximum pressure is 7,252 psi (500 bar) absolute. The driving gears are adjustable individually or in parallel. A shared connecting plate simplifies hydraulic line installation. The DMVA series is available with the most common controls. Speed sensor or preparation for speed sensor available on request. The through-drive capability can be used for mounting a brake or tandem units (axial piston multi-circuit motor). Valid for: DMVA 165 – 108 DMVA 165 – 165 DMVA 165 – 215 DMVA 215 – 165 Features: Axial piston double motor D series Open and closed circuit Control types: Various control types can be selected Pressure range: Nominal pressure pN = 6,527 psi (450 bar) Maximum pressure pmax = 7,252 psi

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DMVA D Double Motor Short Description-2

DMVA double motor variable displacement, open and closed circuits, nominal pressure 6,527 psi (450 bar), maximum pressure 7,252 psi (500 bar)

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DMVA D Double Motor Short Description-3

Double / Dseries / motor / variable displacement / flange-mounted DMVA 3. Nominal size (per driving gear)

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DMVA D Double Motor Short Description-4

Large diameter bearings Human-machine interfaces and gateways Injection systems Axial piston hydraulics Gearboxes and rope winches Control electronics and sensors Electrical machines Power electronics From A to Z, the components division of the Liebherr Group offers a broad range of solutions for mechanical, hydraulic, electric and electronic drive and control technology. The efficient components and systems are produced at a total of ten production sites around the world to the highest standards of quality. Central contacts for all product lines are available to customers at Liebherr Component...

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