Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, the epitome of hydraulic innovation! These revolutionary marvels of engineering represent the pinnacle of modern design, seamlessly integrating pressure, flow, and directional control into a singular, harmonious masterpiece. This guarantees unparalleled performance and unwavering reliability in every application imaginable. Meticulously composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are crafted with precision for flawless integration into high-end hydraulic systems. They are indispensable in top-tier engineering machinery, precisely governing the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights include a compact structure, exceptional energy efficiency, and the capability for stepless speed control. Furthermore, they empower multiple actuators to operate simultaneously under varying loads, delivering unrivaled performance and versatility, making them perfect for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. 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 reigns supreme. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements. They offer a seamless blend of precision, reliability, and efficiency, making them the paragon of hydraulic technology for those who seek nothing but the best.
| 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 dependable operations, this pump ensures unwavering and steady performance, guaranteeing smooth and efficient system activity at all times.;
HLPSV: Variable Displacement Pump - A model of adaptability and versatility, this pump offers extraordinary flexibility, catering to an extensive range of operational demands with ease.;
(2) Connection Block Ports P & R Specifications - Where precision meets dependability, establishing a robust and reliable operational structure::
2-G3/8; Engineered for compact efficiency, crafted to support streamlined operational flows with seamless integration.
3-G1/2; Designed for strength and durability, forming a strong foundation for the integrity of your system.;
4-G3/4; Offering advanced connectivity, this option provides superior control and enhanced system integration.;
5, 55-G1; With exceptional flow rates, ideal for high-demand scenarios, ensuring consistent and reliable operation.;
6-G1 1/4; Delivering outstanding performance, this element is expertly crafted to excel in challenging environments and tackle complex tasks effortlessly.;
(3) Additional Components and Specifications - Elevate your system capabilities to new heights::
C,Standard Type - A robust and trusted base, meticulously engineered to meet key operational requirements with precision.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, elevating the overall efficiency of your system's function.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unparalleled performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Custom-tailored pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing personalized solutions to seamlessly meet your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Boosting efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when energized, unloading it when de-energized; D - Normally closed magnetic ball valve, unloading the pump when energized, pressurizing it when de-energized;D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, meticulously designed for secondary pressure (F50). This state-of-the-art feature guarantees advanced safety protocols, significantly bolstering operational security and reliability. Experience unrivaled excellence in safety and performance.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unleash unparalleled versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component epitomizes adaptability, fully accommodating diverse hydraulic requirements. For seamless configurations, /NF signifies no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across a wide spectrum of applications. Discover the future of hydraulic precision and adaptability.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering marvel, expertly crafted to meet diverse applications, providing you with a product that aligns seamlessly with your precise needs. Explore innovation tailored to perfection.
(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, engineered with precision for seamless integration and operation. Experience unmatched precision and fluidity in engineering.
(9)Directional valve block inflow controller options: Choose from an array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, specifically designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and exceptional efficiency. Elevate control dynamics to new heights.
(10) Valve core function symbols: Explore a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to fulfill specific functional requirements. Discover the perfect functionality fit for your needs.
(11) Output flow code for ports A & B: Maximize efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly designed to provide superior performance and reliability. Achieve optimal performance with every application.
(12) Secondary pressure limitation options: Choose 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, ensuring uncompromised system safety. Prioritize safety with tailor-made pressure solutions.
(13) Function ON/OFF and pressure outlet options: Tailor your system with options like: 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 option meticulously engineered for precise control and functionality. Empower your operations with precise control solutions.
(14) Operation modes: Choose from a diverse range of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a fusion 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, all meticulously crafted for comprehensive and precise control. Customize your operations with unparalleled versatility and precision.
(15) Ancillary block port sizes: Experience our meticulously crafted options designed for seamless adaptability and integration. Select from our expertly engineered choices: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1, each offering the epitome of flexibility to perfectly suit your needs.
(16) End plate options: Explore our exceptional range of finely tailored end plate solutions. E1 provides the standard option with an external discharge of pilot oil and an external oil return control port T. E2 is similar to E1 but comes enhanced with an additional port Y. Experience the innovation of E3, featuring a 2-position 3-way magnetic ball valve, which elevates your system's pressure to safety valve levels when powered, ensuring superior performance.
E4, designed similarly to E1, stands out by integrating an internal discharge of pilot oil with a sealed port T. E5 mirrors the capabilities of E2 with an internal discharge feature. Discover the sophistication of E6, reflecting the advanced design of E3, each variant promising enhanced discharge control for optimal system performance.
(17) Control voltage and anti-explosion cable options: Secure your system's safety and reliability with our range of tailored solutions. Choose from G12-12VDC, perfect for specialized applications that demand uncompromising safety and compatibility.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 set a brilliant standard within the hydraulic industry, continuously pioneering innovation and achieving unmatched excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we are recognized as a national high-tech enterprise of great distinction. Our expertise is deeply rooted in the meticulous research, development, manufacturing, and sales of exceptional hydraulic components. Our esteemed status as a national 'specialized, refined, and innovative' small giant enterprise serves as a testament to our unwavering commitment to technological breakthroughs and superior quality. This relentless dedication positions us as leading frontrunners in our industry.
Our enhanced Safety Atex Valve, the flagship product in our line-up, stands as the epitome of advanced hydraulic system control. This expertly crafted component is indispensable for construction machinery and heavy-duty equipment, making it crucial for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic partnerships 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 fervently committed to delivering outstanding products, superior services, and innovative solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting unprecedented benchmarks of excellence worldwide.
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