Rexroth Compact A1vo Series10 Size 18to35 Variable Pump with Open Circuit

Highly Economical Load-Sensing Piston Pump – The Alternative to Fixed-Displacement Pumps

Low exhaust emissions and enhanced fuel efficiency are core priorities for both construction machinery manufacturers and end-users. Efficiency has been significantly boosted by the adoption of variable displacement pumps and hydraulic systems that regulate power based on real-time demand. Historically, variable displacement pumps were limited to high-power equipment; due to cost barriers, low-power machinery had to depend on energy-intensive open-center systems paired with fixed-displacement pumps. Bosch Rexroth's A1VO axial piston variable displacement pump has closed the price gap with gear pumps of comparable compact dimensions.

Functions

1. Compact, Flexible, and Reliable Design

Boasting performance parameters and a compact footprint similar to fixed-displacement gear pumps, the A1VO allows manufacturers to seamlessly switch from traditional options. It delivers nearly 90% efficiency and offers a service life on par with Bosch Rexroth's A1VO and A10VNO pumps-two models widely trusted in high-power equipment.

Equipped with a fully functional through-shaft, it supports through-shaft drives of various sizes, making it easy to combine the A1VO with other pumps. Its compact design is further enabled by a 7-piston rotating group, which integrates all oil ports and controllers into the port plate. Additionally, removing all high-pressure connections from the housing enhances sealing performance.

2. Versatile Control Modes for Diverse Systems

The A1VO supports multiple control types, including DR control, load-sensing control, and ED control. This versatility positions it as a cost-effective replacement for fixed-displacement pumps in countless hydraulic systems-ranging from hydraulic components in small machinery to auxiliary functions (e.g., fan drives, power steering devices) in large equipment.

3. Fuel Savings Driven by LS Hydraulic Components

Load-sensing (LS) technology in hydraulic components is critical to unlocking better energy efficiency-and this is why the A1VO has been successfully deployed in small tractors. In comprehensive simulations using an OEM engine paired with a commercially available 90 HP (66 kW) diesel engine, Bosch Rexroth engineers calculated that energy consumption can be reduced by 10–16% per working hour.

When the variable displacement pump operates under partial load-such as during transportation or when paired with a front-end loader-it maximizes diesel fuel savings. Based on a typical tractor service life of 6,000 hours and a standard load profile, total diesel savings of approximately 10,000 liters can be achieved.

 

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Why Choose HYLEMAN?

Superior Quality Backed by ExpertiseLeveraging 15 years of experience in hydraulic pump design, R&D, and manufacturing, our products deliver top-tier quality that competes with both domestic and international manufacturers. Every unit comes with a 1-year warranty for added peace of mind.

Rigorous Quality AssuranceWe operate a strict quality control system: 100% of products undergo testing before shipment, and each unit is assigned a unique tracking code. This full-process oversight ensures consistent quality for every customer.

State-of-the-Art Manufacturing EquipmentOur production relies on newly imported CNC machines from Germany and Japan. These advanced tools enable us to meet even higher standards for product precision.

Strong Technical CapabilitiesOur technical team boasts over 20 years of experience in pump design and engineering, with our chief engineer bringing more than 40 years of industry expertise. We also maintain a 15-person R&D team dedicated to pump optimization and new product development.

Competitive PricingThanks to efficient management practices, our prices are more competitive than original equipment (OE) alternatives and more reasonable than those offered by most domestic suppliers.

Fast Delivery TurnaroundWe fulfill small orders within one week. For larger orders-such as batches of up to 500 pumps or cartridge kits-shipment is typically completed within one month.

Reliable Warranty CoverageAll HYLEMAN products include a 1-year warranty, starting from the date of shipment from our factory.

Thoughtful Customer SupportWe provide round-the-clock technical support for any issues customers encounter during product use, and we prioritize delivering solutions as quickly as possible.

Long-Term Strategic PartnershipsWe aim to build long-term strategic collaborations with customers, working together to grow the HYLEMAN brand. We also support and train potential partners to become our agents in regions and countries worldwide.

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