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 your operations remain smooth and faultless.;
HLPSV: Variable Displacement Pump - Embodying adaptability at its pinnacle, delivering efficiency and flexibility across diverse applications.;
(2) Connection Block Ports P & R Specifications - The epitome of precision you can trust, designed for ultimate reliability::
2-G3/8; Compact in design, yet highly efficient, offering space-saving solutions with no compromise on power.
3-G1/2; Renowned for reliability and robustness, this port is a steadfast choice for demanding tasks.;
4-G3/4; Advanced connectivity for superior performance, facilitating seamless integration into any system.;
5, 55-G1; Exceptional flow rate ensuring optimal fluid dynamics, your go-to for high-performance needs.;
6-G1 1/4; Unmatched in performance and reliability, this port upholds consistent excellence.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights, enhancing every aspect of operational performance::
C,Standard Type - A dependable baseline for all applications, guaranteeing reliability and ease of use.;
G,Throttle Valve (For HLPSL only) - Offers unparalleled precision control, finely tuning your system's responsiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimized flow management, ensuring stability and efficiency.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control tailored to your specific needs, delivering bespoke performance:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored for your precise requirements, guaranteeing the exact pressure your system demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Ensuring streamlined efficiency and effectiveness, a marvel of modern engineering: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 unparalleled operational safety and reliability.
(6) Experience precision with the Tool Adjustable, Pressure Limiting Valve integrated into the Connection Block. Offering an extensive range of settings at 63, 120, 210, 280, 315, 350, and 400 bar; the /NF option signifies no pressure limiting valve (exclusive for HLPSV). This design ensures unmatched pressure control and elevated safety standards.
(7) Product Series Classification - A beacon of innovation and superior performance:;-2 2 Series; -3 3 Series; -5 5 Series; Expertly configured to meet diverse application needs.
(8)Thread size choices for directional spool valve ports A & B offer flexibility:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring A, an ancillary block or the innovative ZPL 5S(V)/H hydraulic control shut-off valve for seamless operation.
(9)Directional valve block inflow controller options are diverse: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controllers for both inlet and outlet, perfect for N 3/3-way valve; 5, reinforced inflow controller; 8, customizable pre-selection.
(10) Elevate your system with a variety of Valve core function symbols: L, M, F, H, J, B, R, O, N;
(11) Output flow code for ports A & B: Offering a spectrum of maximum output flows ranging from 3 to 210 L/min for optimal adaptability;
(12) Secondary pressure limitation options: Choose from N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; or the customizable A---B---, to manage pressure independently at actuator ports A & B, unit (bar);
(13) Function ON/OFF and pressure outlet options available: N, without function ON/OFF and pressure outlet; X C type pressure limitation; S/S1 AB type pressure limitation; A, electrical ON/OFF on side A; B, electrical ON/OFF on side B; for versatile system operation.
(14) Versatile operation modes include: A(1,2), manual operation with an optional long or short handle; E, electric proportional control; EA(1,2), combines electric and manual control; D, dynamic electric switching value control; DA(1,2), combines switching control with manual operation; M, manual friction positioning with long handle; H, pure hydraulic control with aligned pilot oil ports; F, alternate alignment for specialized needs.
(15) Ancillary block port sizes available are: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1; ensuring compatibility and integration.
(16) End plate options: E1, standard with external pilot oil discharge, allowing for external control port T connection; E2, adds port Y; E3, features a 2-position 3-way magnetic ball valve for power supply applications, maintaining system pressure at optimal levels.
E4, mirrors E1 with internal pilot oil discharge, allowing port T to be sealed; E5, mirrors E2 with internal discharge; E6, mirrors E3 with internal discharge, offering diverse solutions for sealing needs.
(17) Select your Control voltage and anti-explosion cable length options: G12-12VDC; ensuring 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 illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As an esteemed subsidiary of the prestigious 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 Advanced Load Sensitive Valve, epitomizes the pinnacle of engineering brilliance in hydraulic safety control systems. Expertly crafted for a wide array of high-stakes applications, ranging from construction machinery to heavy-duty equipment, this versatile component plays a crucial role in scenarios like emergency rescue operations, intricate tunnel engineering, high-intensity mining, and efficient 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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