Concentric-F20LS/F30LS LOADSENSE PUMPS-2011-6 2 Load Sensing is a hydraulic circuit configuration which allows the load, as sensed at the control valve, to modulate pump output in relation to system demand. Controlling both flow and pressure at the pump allows for a significant reduction in valving losses and circuit inefficiencies. The machine is therefore more efficient in terms of power distribution and life is enhanced due to superior load control. * Improved Hydraulic System Efficiency * Improved Vehicle Life * Efficiently Sized Componentry Benefits of Load Sensing Systems Load Sensing Systems have been applied to hydraulic applications, in several configurations, to provide efficiency and performance advantages over standard circuit designs. Load sensing piston pumps or load sensing unloading valves have typically been used in these applications. Haldex has developed a load sensing gear pump to combine the advantages of these two technologies. The F20LS (1.41 - 5.30 in.3) and the F30LS (3.54 - 9.82 in.3) provide the following advantages to your machine: * Lower Fuel and Input Power Consumption * Cooler Hydraulic System Operation * Longer Component Life and Reliability * Improved Vehicle Power Distribution * Better Load Control Design Advantages of F20LS and F30LS Pumps The simplicity and inherent advantages of the gear pump design are realized with the F20LS and F30LS. The F20LS and F30LS feature the operational benefits of a piston pump with the performance, reliability, and cost advantages of a gear pump. * Lower Pump Cost * 4000 PSI Continuous Pressure Rating * High Speed Capability - Up to 4000 RPM * Displacement Flexibility - 1.41 to 9.82 in.3/rev. * Gear Pump Serviceability * Added Tolerance Under Extreme Operating Conditions - Contaminated Environments - High Temperatures - Cold Start-Ups - Poor Inlet Circumstances * Ultra Quick Response Time to Load Sense Signal - 100 milliseconds or Less quality products for mechanical & fluid power ~ jbj Techniques Limited, www.jbj.co.uk UK distributor for Concentric Hydraulics
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