Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations are the pinnacle of hydraulic innovation! They seamlessly integrate pressure, flow, and directional control into a singular, harmonious masterpiece, ensuring unparalleled performance and reliability across all applications. Typically composed of three essential functional modules-connecting blocks, directional valves, and end plates-these valves are meticulously crafted for integration into high-end hydraulic systems. They are crucial for top-tier engineering machinery and precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Beyond this, they empower multiple actuators to operate simultaneously under varying loads, delivering unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. On the other hand, 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. This makes them the ultimate choice for applications where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering a perfect blend 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 cornerstone of reliability and efficiency, ensuring unwavering performance for your system's seamless operations.;
HLPSV: Variable Displacement Pump - The epitome of adaptability, offering remarkable flexibility to meet diverse operational demands with ease.;
(2) Connection Block Ports P & R Specifications - A harmonious blend of precision and reliability, establishing a robust operational foundation::
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Tailor-made pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering customized solutions to seamlessly fit your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing it when unpowered;D/F - Masterfully equipped with a precision-engineered pressure limiting valve specifically designed for secondary pressure (F50) with a meticulously defined pressure value. This state-of-the-art feature guarantees superior safety protocols, significantly elevating operational security and reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unleash unparalleled versatility and precise control with adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component exemplifies adaptability and precision, tailored to address all hydraulic requirements. For seamless configurations, /NF denotes the absence of a pressure limiting valve, meticulously designed for HLPSV, delivering impeccable pressure management across a broad spectrum of applications.
(7) Product Series Classification - A Pinnacle of Engineering Proficiency:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a work of art, crafted with precision to suit every application, ensuring you acquire a product perfectly aligned with your unique requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including complementary blocks or the intermediary transition block ZPL 5S(V)/H hydraulic control shut-off valve, precisely crafted for smooth, seamless integration and application.
(9)Directional valve block inflow controller options: Elegantly choose from a comprehensive range: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precise, exceptional efficiency and performance.
(10) Valve core function symbols: Explore an extensive suite of core functions: L, M, F, H, J, B, R, O, N, each methodically crafted to satisfy specific functional requirements and operational demands.
(11) Output flow code for ports A & B: Attain peak efficiency with an array of available peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for superior performance and unwavering reliability.
(12) Secondary pressure limitation options: Choose from: N, without 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, ensuring exceptional system safety and integrity.
(13) Function ON/OFF and pressure outlet options: Elegantly customize with options such as: 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 precise control, functionality, and operational excellence.
(14) Operation modes: Select from an array of diverse operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), an innovative 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 a 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 comprehensive, precision control and operational mastery.
(15) Ancillary block port sizes: Choose from a versatile array of adaptable options, including /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option is meticulously engineered to ensure seamless integration and adaptability, providing superior functionality for diverse hydraulic applications.
(16) End plate options: Explore our expertly crafted end plate solutions. E1, the standard option, features an external discharge of pilot oil and an external oil return control port T. E2 closely resembles E1 but is enhanced with an additional port Y for increased versatility. E3 is equipped with a sophisticated 2-position 3-way magnetic ball valve, elevating your system's pressure to safety valve levels when powered, ensuring optimal performance and reliability.
E4, mirroring the functionality of E1, innovatively integrates an internal discharge of pilot oil with a sealed port T for enhanced control. E5 mirrors the design of E2, also featuring internal discharge. E6 reflects the advanced sophistication of E3, with each variant meticulously designed to ensure superior discharge control and system efficiency.
(17) Control voltage and anti-explosion cable options: Select from a comprehensive range of secure and compatible solutions, such as G12-12VDC, rigorously tailored for safety and precise specialization in demanding applications.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 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 enhanced Safety Atex Valve symbolizes the zenith of hydraulic system control, showcasing our flagship load-sensitive proportional valve. Masterfully engineered for construction machinery and heavy-duty equipment, this indispensable component ensures peak performance in high-stakes scenarios 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.
Inquiry:1. What is the expected lead time for production?
Response:Typically, the lead time for production is approximately one month following receipt of payment. During this critical period, we engage in meticulous preparations and uphold rigorous quality control standards. This ensures that each product is delivered to you in pristine condition, reflecting our unwavering commitment to achieving your utmost satisfaction through flawless delivery.
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