Introducing the pinnacle of hydraulic innovation: our remarkable HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These engineering masterpieces are designed to seamlessly integrate pressure, flow, and directional control into one cohesive and harmonious unit, ensuring unmatched performance and reliability. Typically composed of three core functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for seamless incorporation into sophisticated, high-end hydraulic systems. Essential for premium engineering machinery, they expertly govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing precision control that is second to none. Key advantages of these valves include their compact structure, outstanding energy efficiency, and the capability for stepless speed control. Additionally, they empower multiple actuators to function concurrently under varying loads, delivering unparalleled performance and adaptability across a multitude of applications.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation under the most demanding conditions. On the other hand, the HLPSV valves are masterfully engineered for variable pump systems. Although HLPSV valves may exhibit a slightly slower response time, they shine in delivering outstanding energy-saving performance, making them the ultimate choice for scenarios where efficiency is key. Thanks to their state-of-the-art engineering and energy-efficient design, HLPSV valves stand out as the premier solution for even the most advanced hydraulic control requirements.
| 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 - The key to consistent and reliable performance.;
HLPSV: Variable Displacement Pump - Adaptability and flexibility at its finest.;
(2) Connection Block Ports P & R Specifications - Precision and reliability you can trust::
2-G3/8; Compact and efficient for streamlined operations.
3-G1/2; Robust and dependable.;
4-G3/4; Advanced connectivity for superior control.;
5, 55-G1; Offering a superior flow rate for high-demand applications.;
6-G1 1/4; Delivering unmatched performance in the field.;
(3) Additional Components and Specifications - Elevating system capabilities::
C,Standard Type - A dependable baseline for your needs.;
G,Throttle Valve (For HLPSL only) - Ensuring precision control.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimized flow management to enhance performance.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control for various applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions for your specific needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlined efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes pump when powered, unloads pump when unpowered; D - Normally closed magnetic ball valve, unloads pump when powered, pressurizes when unpowered;D/F - With pressure limiting valve for secondary pressure (F50) with specified pressure value; Advanced safety measures for secure operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover a world of precision with adjustable settings ranging from 63 to 400 bar. Options include 63, 120, 210, 280, 315, 350, and 400 bar. With the /NF option, enjoy the flexibility of no pressure limiting valve (HLPSV only). This ensures optimal pressure control for diverse applications, enhancing operational efficiency.
(7) Product Series Classification - Identifying excellence: Navigate through our distinguished product series:;-2 2 Series; -3 3 Series; -5 5 Series; Tailored for every application, ensuring your specific needs are met with precision.
(8)Thread size of directional spool valve ports A & B: A comprehensive range of thread sizes tailored for your needs:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Whether using an ancillary block or an intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, each component is crafted for excellence.
(9)Directional valve block inflow controller options: Customize your control with options including: 1 for no inflow controller, 2 for a standard inflow controller, 4 for advanced 3-way flow controllers for both inlet and outlet, perfect for N 3/3-way valve applications, 5 for a strengthened inflow controller, and 8 for pre-selectable settings.
(10) Valve core function symbols: Versatile functionality with valve core symbols: L, M, F, H, J, B, R, O, N-each representing a unique operational advantage.
(11) Output flow code for ports A & B: Experience maximum efficiency with output flows available at 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min), ensuring optimal performance for every operation.
(12) Secondary pressure limitation options: Choose from N for no pressure limiting protection, C to limit the pressure simultaneously at actuator ports A & B, or A---B--- for separate pressure limitation at actuator ports, calibrated in bar for accurate control.
(13) Function ON/OFF and pressure outlet options: Flexibility is key with options such as N for no function ON/OFF and pressure outlet, X for C type pressure limitation, S/S1 for AB type pressure limitation, and electrical ON/OFF capabilities on sides A or B with options A or B.
(14) Operation modes: Explore diverse operational modes including A(1,2) for manual operation with handle variations, E for electric proportional control, EA(1,2) combining electric and manual control, D for electric switching value control, DA(1,2) for a hybrid of electric switching and manual operation, M for manual friction positioning, H for pure hydraulic control with aligned oil ports, and F for perpendicular hydraulic control-offering unparalleled versatility.
(15) Ancillary block port sizes: Available in sizes /2 G3/8, /3 G1/2, /4 G3/4, /5 G1, ensuring your system is equipped for any requirement.
(16) End plate options: Tailor your system with options E1 through E6, each offering unique features like external or internal pilot oil discharge, magnetic ball valve integration, and system pressure enhancements, providing solutions for every scenario.
Internal options E4, E5, and E6 allow for sealed port T, catering to specific operational needs.
(17) Control voltage and the length of anti-explosion type cable options: Offered in G12-12VDC, ensuring robust and safe operation in sensitive environments.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 been a beacon of brilliance in the hydraulic industry, renowned for its groundbreaking innovation and unmatched excellence. As a prestigious subsidiary of the illustrious China Baoan Group (stock code: 000009), we have earned our place as a national high-tech enterprise of distinction. Our core expertise is embedded in the meticulous research, visionary development, precise manufacturing, and strategic sales of superior hydraulic components. Designated as a national 'specialized, refined, and innovative' small giant enterprise, our commitment to technological advancement and superior quality is steadfast. This relentless pursuit of excellence positions us as leaders at the forefront of our industry.
Our flagship product, the load-sensitive proportional valve, represents the zenith of advanced hydraulic system control, meticulously engineered for construction and heavy-duty machinery. This versatile component is indispensable for critical applications, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with leading domestic manufacturers, significantly contributing to the localization of core 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 unwavering 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 worldwide.
Question:1. What about the lead time?
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, embodying the highest standards of excellence.
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Answer: We offer an exceptionally low minimum order quantity, allowing you the freedom to order even a single piece for sample checking. This flexibility ensures that your specific needs are met perfectly, making it easier to start your projects seamlessly, without any constraints.
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