Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels seamlessly integrate pressure, flow, and directional control into a single, harmonious unit, guaranteeing unmatched performance and reliability. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for incorporation into high-end hydraulic systems, pivotal in top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unparalleled precision and control. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Furthermore, they enable multiple actuators to operate simultaneously under varying loads, providing unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in delivering exceptional energy-saving performance, making them the ultimate choice for applications where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the premier solution for 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 - A cornerstone for consistent and unwavering performance, ensuring reliability in every operation.;
HLPSV: Variable Displacement Pump - Embodying adaptability at its pinnacle, offering versatility for diverse applications.;
(2) Connection Block Ports P & R Specifications - The epitome of precision you can trust for flawless integration::
2-G3/8; Compact in design, yet highly efficient, designed for optimal space utilization.
3-G1/2; Renowned for reliability and robustness, championing durability and strength.;
4-G3/4; Advanced connectivity for superior performance, ensuring seamless operation.;
5, 55-G1; Exceptional flow rate ensuring optimal fluid dynamics, enhancing system efficiency.;
6-G1 1/4; Unmatched in performance and reliability, promising outstanding operational excellence.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights, transforming efficiency standards::
C,Standard Type - A dependable baseline for all applications, ensuring consistent performance.;
G,Throttle Valve (For HLPSL only) - Offers unparalleled precision control, enhancing fine-tuned adjustments.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimized flow management for maximum efficiency.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control tailored to your specific needs, offering precision and flexibility:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored for your precise requirements, ensuring optimal performance.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Ensuring streamlined efficiency and effectiveness, driving superior operational dynamics: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; Pioneering advanced safety measures, ensuring ultimate protection and reliability.
(6) Experience versatile adaptability with our Tool Adjustable, Pressure Limiting Valve nestled within the Connection Block. Choose from precision settings available at 63, 120, 210, 280, 315, 350, or 400 bar for unparalleled control. Opt for /NF, offering a variant with No pressure limiting valve (HLPSV only), ensuring robust pressure management and enhanced safety measures.
(7) Product Series Classification - Distinguishing quality and excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each meticulously crafted to suit every unique application.
(8)Thread size of directional spool valve ports A & B: Precision-engineered threads include:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Also featuring auxiliary options like the ancillary block or intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve; expect seamless integration and optimal functionality.
(9)Directional valve block inflow controller options offer tailored flow management: 1, without inflow controller; 2, standard inflow controller; 4, 3-way flow controllers ideal for sophisticated N 3/3-way valve systems; 5, enhanced inflow controller; 8, for a customizable experience, choose pre-selectable controller options;
(10) Valve core function symbols: Diverse configurations include L, M, F, H, J, B, R, O, N; embodying a broad spectrum of functionality adjustments.
(11) Output flow code for ports A & B: Maximum output flows finely calibrated at 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min); offering precision in fluid dynamics.
(12) Secondary pressure limitation options: N, absence of pressure limiting protection; C, concurrent pressure limitation for actuator ports A & B; A---B---, individual pressure constraints for each port, enhancing safety and customizing performance with bar units;
(13) Function ON/OFF and pressure outlet options: N, absence of function ON/OFF and pressure outlet; X C type pressure limitation; S/S1 AB type pressure limitation; A, electrical ON/OFF exclusively on side A; B, electrical ON/OFF exclusively on side B; enabling precise operations.
(14) Operation modes: Customizable control with options such as A(1,2), manual operation with long handle (1=without handle, 2=with short handle); E, electric proportional control; EA(1,2), combining electric proportional control with manual operation; D, electric switching value control; DA(1,2), merging electric switching with manual operation; M, manual friction positioning with long handle; H, pure hydraulic control, aligning two pilot oil ports with A and B; F, distinct hydraulic control, where two pilot oil ports are perpendicular and outward from A and B;
(15) Ancillary block port sizes: Flexible compatibility with /2 G3/8; /3 G1/2; /4 G3/4; /5 G1; ensuring comprehensive adaptability.
(16) End plate options: E1, standard end plate featuring external discharge of pilot oil, with control port T connected externally; E2, comparable to E1 but with additional port Y; E3, external pilot oil discharge enhanced with a 2-position 3-way magnetic ball valve; during operation, system pressure elevates to match safety valve parameters;
E4, akin to E1, allows internal discharge of pilot oil with a sealable port T; E5, similar to E2, with internal pilot oil discharge; E6, akin to E3, permits internal discharge with a sealable port T; facilitating versatile application scenarios.
(17) Choose from a range of control voltages and explosion-proof cable lengths tailored to meet your specific needs: G12-12VDC;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 emerged as a beacon of innovation and unmatched excellence within the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication positions us as frontrunners in our field.
Our flagship product, the load-sensitive proportional valve, represents the zenith of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is indispensable for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with numerous leading domestic manufacturers, playing a pivotal role in localizing core hydraulic components for high-end mechanical equipment. Guided by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are resolute in our commitment to delivering exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence worldwide.
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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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