Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations represent the pinnacle of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into a singular, harmonious masterpiece. This guarantees unparalleled performance and reliability in every application. 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, crucial for top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights encompass 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, making 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 consistent and unwavering performance, ensuring your operations run smoothly and efficiently, setting the standard for excellence.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs, seamlessly integrating into any system.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations at every turn::
2-G3/8; Designed for compact efficiency, catering to streamlined and seamless operational flows, perfect for modern applications.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system with unwavering stability.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration, ensuring top-tier performance.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance, supporting even the most rigorous tasks.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges, elevating your system's capabilities.;
(3) Additional Components and Specifications - Lifting system capabilities to new heights, redefining operational excellence::
C,Standard Type - A reliable and trustworthy baseline, tailored to your essential operational needs, providing a solid and dependable foundation.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency, maximizing performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability, a true asset to any operation.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for varied applications, elevating operational flexibility:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to meet your specific operational needs seamlessly, fostering a highly adaptable and efficient system.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting control, ensuring peak performance: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; Empowering your operations with choice and control, tailored to your specific needs.D/F - This innovative design comes equipped with a pressure limiting valve specifically for secondary pressure (F50), featuring a designated pressure value. It provides cutting-edge safety measures that are essential for securing mining operations, ensuring highest levels of protection and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unmatched flexibility and precision with adjustable settings ranging across 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes both adaptability and accuracy in hydraulic systems. For those who prefer straightforward solutions, /NF signifies the absence of a pressure limiting valve, specifically crafted for HLPSV, making it an essential feature for optimal pressure management in diverse hydraulic scenarios.
(7) Product Series Classification - Showcasing Supreme Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each of these series is expertly crafted to cater to a variety of applications, ensuring that you receive a product that perfectly meets your specific needs, delivering unparalleled performance and reliability.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including expertly designed ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, each crafted for seamless and efficient integration into your hydraulic systems.
(9)Directional valve block inflow controller options: Choose from a range of configurations: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, perfectly suited for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each designed to ensure precision and enhance efficiency.
(10) Valve core function symbols: Discover a vast array of core function symbols: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet distinct functional requirements, enhancing versatility and performance.
(11) Output flow code for ports A & B: Achieve maximum efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each tailored for peak performance and optimal functionality.
(12) Secondary pressure limitation options: Make your choice between: 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 robust system safety and reliability.
(13) Function ON/OFF and pressure outlet options: Customize with options that 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 precise and flexible control.
(14) Operation modes: Discover diverse modes of operation: A(1,2), manual operation with the choice of a long or short handle; E, electric proportional control for refined adjustment; EA(1,2), a hybrid of electric proportional and manual operation; D, electric switching value control; DA(1,2), combined electric switching and manual operation; M, manual friction positioning with a long handle option; H, pure hydraulic control with 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.
(15) Ancillary block port sizes: Choose from a variety of sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each engineered for seamless adaptability and integration into your hydraulic systems, providing the versatility needed for any application.
(16) End plate options: Discover our expertly crafted and customizable end plate choices, including: E1, the standard model with external discharge of pilot oil and an external oil return control port T. E2 mirrors E1 but boasts an additional port Y for enhanced adaptability. E3 is designed with a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve levels during power supply for ultimate security.
E4, closely resembling E1, features an internal discharge of pilot oil with a sealing port T for optimal containment. E5, akin to E2, also incorporates internal discharge, ensuring seamless integration. E6 parallels E3, with each option guaranteeing advanced discharge control for superior performance.
(17) Control voltage and the length of anti-explosion type cable options: Choose from an array of options such as G12-12VDC, designed to ensure maximum safety and compatibility with your specialized applications for unparalleled 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 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.
Question:1. What about the lead time?
Answer:The lead time for production is typically around one month following receipt of payment. During this period, we engage in detailed preparation and implement stringent quality control measures to ensure that every product reaches you in perfect condition. Your satisfaction with our impeccable delivery is our top priority.
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Answer: We offer an impressively low minimum order quantity, allowing you the flexibility to order even a single piece for sample verification. This adaptability means you can start your projects with ease and precision, meeting your unique requirements without hassle.
Question:3. How to proceed with an order for LED lights?
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Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is certainly possible. Please make sure to inform us formally before the production begins and confirm the design based on the sample we provide. This ensures that your branding is showcased with utmost precision and superior quality, reflecting your identity perfectly.
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