Introducing the groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves by Jiangsu KM Hydraulic Control System Co., Ltd. These revolutionary marvels epitomize the zenith of hydraulic innovation, exquisitely fusing pressure, flow, and directional control into a single, elegant masterpiece. This ensures unparalleled performance and unwavering reliability across diverse applications. Composed of three quintessential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously engineered to integrate seamlessly into high-end hydraulic systems, indispensable for top-tier engineering machinery. They command the movement direction and speed of hydraulic cylinders, motors, and other actuators with unmatched precision. Key features include a compact structure, superior energy efficiency, and the capability for stepless speed control. Beyond these, they empower multiple actuators to function concurrently under varying loads, delivering unrivaled performance and versatility in any application.
The HLPSL valves are expertly designed for constant displacement pump systems, ensuring steadfast and dependable operation in any environment. Conversely, the HLPSV valves are masterfully crafted for variable pump systems. Although HLPSV valves may have a slightly slower response time, they excel by offering outstanding energy-saving performance, marking them as the ultimate choice where efficiency is a priority. With their cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, offering an impeccable combination of precision, reliability, and efficiency.
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 bedrock of reliability, ensuring steadfast performance and seamless operational flow.;
HLPSV: Variable Displacement Pump - A beacon of versatility, offering dynamic adaptability to cater to a multitude of operational scenarios.;
(2) Connection Block Ports P & R Specifications - Where precision seamlessly integrates with reliability for dependable operations::
2-G3/8; Crafted for compact efficiency, ensuring streamlined and efficient performance tailored to your needs.
3-G1/2; Engineered for strength and durability, offering a robust foundation to support your system's integrity.;
4-G3/4; Facilitating advanced connectivity, this specification enhances control and integration within your system.;
5, 55-G1; Boasting a superior flow rate, ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Demonstrating unmatched performance, this specification is designed to excel and meet the toughest challenges.;
(3) Additional Components and Specifications - Elevating your system's capabilities to unprecedented heights::
C,Standard Type - The reliable baseline, meticulously crafted to fulfill your essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Precision in control, enhancing the efficiency and effectiveness of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully regulating flow, ensuring peak performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Providing bespoke pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering custom solutions to meet your operational demands with precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency while amplifying control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes pump when powered, unloads when unpowered; D - Normally closed magnetic ball valve, unloads pump when powered, pressurizes when unpowered;D/F - Incorporates a pressure limiting valve for secondary pressure (F50) with a set pressure value; Providing advanced safety measures to ensure secure operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: With adjustable settings ranging from 63 to an impressive 400 bar levels, this component exemplifies versatility and precision engineering. For those who value simplicity, the /NF option signifies no pressure limiting valve, meticulously crafted for HLPSV, ensuring exemplary pressure regulation across various scenarios. This feature is indispensable for addressing all your hydraulic requirements.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is carefully engineered to meet every application, ensuring you receive a product that aligns perfectly with your specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, artfully crafted for seamless integration and operational excellence.
(9)Directional valve block inflow controller options: Choose from a diverse selection: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, engineered for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each ensuring precision and peak efficiency.
(10) Valve core function symbols: Discover a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to meet unique functional demands.
(11) Output flow code for ports A & B: Optimize performance with maximum output flows available: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, tailored to suit your specific performance needs.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, providing formidable system safety.
(13) Function ON/OFF and pressure outlet options: Customizable options include: N, without function ON/OFF or 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, each engineered for precision control and reliability.
(14) Operation modes: Offering a wide array of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a blend of electric proportional control and manual operation; D, electric switching value control; DA(1,2), combined electric switching value control and manual operation; M, manual friction positioning with long handle; H, pure hydraulic control (alignment of pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, each crafted for ultimate control.
(15) Ancillary block port sizes: Choose from a versatile range: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, meticulously engineered for seamless adaptability and integration.
(16) End plate options: Discover a range of meticulously tailored end plate choices including: E1, the standard option featuring external discharge of pilot oil and an external oil return control port T; E2, enhancing E1 with an additional port Y for increased functionality; and E3, which introduces a 2-position 3-way magnetic ball valve, ingeniously elevating system pressure to safety valve levels during power supply, ensuring utmost safety and efficiency.
E4 enhances the performance with similarities to E1 but optimizes with internal discharge of pilot oil, sealing port T; E5 follows suit with E2, offering internal discharge for streamlined operations; and E6 mirrors the ingenuity of E3, each model ensuring sophisticated discharge control for your hydraulic systems.
(17) Control voltage and the length of anti-explosion type cable options: Choose from a carefully curated selection of options such as G12-12VDC, all designed to ensure maximum safety and compatibility across specialized applications, making sure your equipment operates flawlessly under challenging conditions.G24: A robust option catering to various voltage requirements.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Offering a versatile array of voltages and cable lengths tailored for high-demand environments.12: Another versatile choice for your hydraulic system's requirements.bb621436: A unique identifier for streamlined reference and support.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed 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, epitomizes the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is vital 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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