Introducing the revolutionary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves - a marvel of modern engineering. These state-of-the-art units masterfully integrate pressure, flow, and directional control into one harmonious system. Designed for high-end hydraulic systems, these valves are pivotal in elevating top-tier engineering machinery. Comprising three essential functional modules - connecting blocks, directional valves, and end plates - they are crafted with precision to effortlessly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and supreme control. Key highlights include a compact structure that meets superior energy efficiency standards, alongside the capability for stepless speed control. These valves empower multiple actuators to perform simultaneously under varying loads, ensuring exceptional performance and versatility across diverse applications. Experience the integration of cutting-edge technology and reliability in our HLPSL and HLPSV valve series.
The expertly designed HLPSL valves are meticulously crafted for constant displacement pump systems, ensuring steadfast and uninterrupted operation. Meanwhile, the masterfully engineered HLPSV valves are tailored for variable pump systems. Although HLPSV valves may present a slightly moderate response time, they stand out by delivering outstanding energy-saving capabilities, making them the preferred choice for applications where efficiency is of the utmost importance. With innovative engineering and an energy-efficient design, HLPSV valves rise as the premier solution for sophisticated hydraulic control demands. Choose HLPSV valves for unparalleled energy efficiency and cutting-edge performance in advanced hydraulic systems.
| References |
size 2 |
size 3 |
size 5 |
| Number of Directional Valve bank |
1~12 |
1~12 |
1~10 |
| Port access type |
thread connection |
thread connection |
thread connection |
| Flow code |
3,6,10,16,25,40 |
3,6,10,16,25,40,63,80 |
16,25,40,63,80,120,160 |
| Max.flow(L/min) |
54 |
100 |
210 |
| Max.pressure(bar) |
420 |
420 |
420 |
| Control Method |
Pilot circuit pressure(bar) |
20~40 |
20~40 |
20~40 |
| Manual force(N) |
≥2.3Nm |
≥1.3Nm |
≥3Nm |
| Working Pressure(ºC) |
-40~80 |
-40~80 |
-40~80 |
| Weight |
Connection Block (kg) |
1.7 |
4 |
8 |
| Directional Valve bank (kg) |
1.9 |
4 |
8 |
| End Plate (kg) |
0.5 |
1.5 |
2.5 |
| Fix mode |
thread connection M8 |
thread connection M8 |
thread connection M10 |
Installation Instructions
(1) Essential Connection Block Codes
HLPSL: Constant Displacement Pump - A cornerstone for unwavering and consistent performance, ensuring smooth operational integrity.;
HLPSV: Variable Displacement Pump - Embodying peak adaptability, seamlessly adjusting to dynamic needs.;
(2) Connection Block Ports P & R Specifications - The epitome of precision and trustworthiness::
2-G3/8; Ingeniously compact, yet exceptionally efficient in performance.
3-G1/2; Celebrated for its steadfast reliability and robustness.;
4-G3/4; Advanced connectivity elevating performance to superior levels.;
5, 55-G1; Delivering exceptional flow rates for optimal fluid dynamics.;
6-G1 1/4; Unparalleled performance and reliability.;
(3) Additional Components and Specifications - Propelling system capabilities to new heights::
C,Standard Type - A dependable baseline for diverse applications.;
G,Throttle Valve (For HLPSL only) - Guarantees unrivaled precision control.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimal flow management masterfully crafted.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure control for your specific needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Meticulously tailored for your precise requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Ensuring streamlined efficiency with advanced safety measures:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing pump when powered, unloading pump when unpowered; D - Normally closed magnetic ball valve, unloading when powered, pressurizing when unpowered;./F. . , Includes pressure limiting valve for secondary pressure (F50) with specified pressure value; Pioneering advanced safety measures.
(6) Introducing our Tool Adjustable Pressure Limiting Valve integrated within the Connection Block: This state-of-the-art feature offers adjustable settings at 63, 120, 210, 280, 315, 350, 400 bar, providing unparalleled precision in ensuring optimal pressure control and safety. For those requiring flexibility, the /NF option is available, offering a configuration without a pressure limiting valve (HLPSV only). Your safety and control are of utmost importance.
(7) Product Series Classification - Leading the way in excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Specifically designed and tailored to meet diverse application needs, ensuring peak performance in every scenario.
(8)Thread size specifications for the directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Including the option for an ancillary block or intermediate transition block ZPL 5S(V)/H, featuring a hydraulic control shut-off valve for superior functionality.
(9)Explore our Directional Valve Block Inflow Controller Options: Choose from 1, a setup without an inflow controller, 2, our standard controller, 4, a 3-way flow controller perfect for N 3/3-way valve applications, 5, a strengthened inflow controller, and 8, a customizable pre-selectable option to suit your specific requirements.
(10) Valve core functionality is defined by symbols such as L, M, F, H, J, B, R, O, N; each representing a unique operational capability.
(11) Output Flow Codes for Ports A & B: Experience powerful performance with maximum output flows available at 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min), ensuring efficiency and reliability.
(12) Secondary Pressure Limitation Options: Choose N for no pressure limiting protection, C for simultaneous pressure limitation at actuator ports A & B, or A---B--- for separate pressure limitations at actuator ports A & B, each measured in units (bar), offering comprehensive protection.
(13) Functionality ON/OFF and Pressure Outlet Options: Select N for setups without these features, X for C type pressure limitation, S/S1 for AB type pressure limitation, A for electrical ON/OFF on side A, and B for electrical ON/OFF on side B, ensuring customizable control.
(14) Diverse Operation Modes Available: Opt for A(1,2) for manual operation with long handle options, E for electric proportional control, EA(1,2) for a combination of electric proportional control and manual operation, D for electric switching value control, DA(1,2) for combined electric switching and manual operation, M for manual friction positioning with a long handle, H for pure hydraulic control with aligned pilot oil ports to A and B, or F for pure hydraulic control with perpendicular pilot oil ports, each mode designed to meet distinct operational needs.
(15) Ancillary Block Port Sizes: Choose from /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each crafted to ensure seamless integration and performance.
(16) End Plate Options: E1 offers a standard end plate with external discharge of pilot oil and an external connection to the oil return control port T. E2 is similar with an added port Y. E3 includes a 2-position 3-way magnetic ball valve, ensuring system pressure rises to the safety valve pressure when power is supplied, delivering robust safety and functionality.
E4 resembles E1 but features internal discharge of pilot oil with a sealable port T. E5 and E6 follow similar setups with internal discharge and sealable port T, ensuring versatility and safety in design.
(17) Control Voltage and Anti-explosion Type Cable Length Options: Available in G12-12VDC, ready to meet your specific voltage requirements with safety and reliability.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has become a beacon of innovation and excellence within the hydraulic industry. We are a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009) and proudly recognized as a national high-tech enterprise. Our expertise and passion drive us to excel in the research, development, manufacturing, and sales of superior hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise highlights our steadfast dedication to technological advancement and unmatched quality. This relentless pursuit of excellence solidifies our position as leaders in the hydraulic domain.
Our flagship product, the load-sensitive proportional valve, represents the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this flexible component is essential for high-stakes scenarios like emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic partnerships with numerous leading domestic manufacturers, playing a crucial role in localizing essential hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are steadfast in our commitment to delivering exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new standards of excellence across the globe.
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Answer:The lead time for production is typically around one month following receipt of payment. This period allows us to undertake meticulous preparation and enforce stringent quality control measures. Every detail is taken care of to ensure your products are delivered flawlessly.
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