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 unwavering reliability, delivering steady and consistent performance to ensure the smoothest and most efficient operations across your hydraulic system.;
HLPSV: Variable Displacement Pump - A model of ultimate adaptability and versatility, providing exceptional flexibility to seamlessly meet a vast array of operational requirements.;
(2) Connection Block Ports P & R Specifications - Where precision meets unmatched reliability, creating a dependable operational framework::
2-G3/8; Skillfully crafted for compact proficiency, designed to support streamlined and seamless operational flows, allowing for efficient system dynamics.
3-G1/2; Engineered for enduring robustness and unwavering reliability, providing a solid foundation for maintaining your system's integrity.;
4-G3/4; Featuring cutting-edge connectivity, offering superior control and enhanced system integration for optimal performance.;
5, 55-G1; Equipped with exceptional flow rates, perfect for high-demand applications, ensuring consistent and reliable performance every time.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in challenging environments and effortlessly handle the toughest tasks.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights of excellence::
C,Standard Type - A trustworthy and reliable foundation, meticulously designed to meet all essential operational requirements with ease.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, thereby enhancing the overall efficiency and performance of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, ensuring unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications, tailored to meet your specific needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing solutions expertly tailored to seamlessly meet your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing overall efficiency and precise 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 - Introducing a cutting-edge, precision-engineered pressure limiting valve for secondary pressure (F50), complete with a meticulously defined pressure value. This technological marvel showcases exceptional engineering, designed to elevate advanced safety measures by optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the ultimate in versatility and precision with our adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component stands as a beacon of adaptability, seamlessly meeting every hydraulic requirement. With the /NF configuration, enjoy systems without a pressure limiting valve, expertly crafted for HLPSV, delivering unmatched pressure control across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterclass in design, skillfully conceived to accommodate every application, ensuring you receive a product perfectly matched to 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, exquisitely engineered for seamless and flawless integration.
(9)Directional valve block inflow controller options: Choose from a wide array: 1, without inflow controller; 2, standard inflow controller; 4, 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 precision and outstanding efficiency.
(10) Valve core function symbols: Uncover an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional needs.
(11) Output flow code for ports A & B: Achieve peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for supreme performance and reliability.
(12) Secondary pressure limitation options: Available choices: N, no pressure limiting protection; C, concurrent pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Personalize your experience 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 and functionality.
(14) Operation modes: Explore a variety 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, crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Discover unmatched versatility with our expertly crafted options, each tailored for effortless adaptability and seamless integration into a multitude of systems: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1.
(16) End plate options: Delve into our meticulously engineered end plate solutions: E1, your go-to standard, ensures an external discharge of pilot oil along with an external oil return control port T; E2, mirroring E1, is augmented with an additional port Y for enhanced flexibility; E3, equipped with a 2-position 3-way magnetic ball valve, elevates system pressure to safety valve levels with precision when engaged.
E4, akin to E1, ingeniously incorporates an internal discharge of pilot oil with a sealed port T for streamlined functionality; E5, echoing the features of E2, includes an internal discharge for peak performance; E6, reflecting the refined design of E3, provides advanced discharge control across all variants.
(17) Control voltage and anti-explosion cable options: Choose from our robust and compatible range, such as G12-12VDC, ensuring safety and specialized performance in the most challenging 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 consistently shone as a beacon of innovation and excellence within the dynamic hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), our identity as a national high-tech enterprise is proudly upheld. Our unparalleled expertise in the meticulous research, innovative development, precise manufacturing, and strategic sales of premium hydraulic components sets us apart. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we are steadfast in our commitment to technological advancement and superior quality. This relentless dedication unambiguously positions us as leaders in our domain.
Our flagship product, the enhanced Safety Atex Valve, represents the pinnacle of advanced hydraulic system control. Expertly designed for construction machinery and robust heavy-duty equipment, this versatile component is indispensable 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, significantly contributing to the localization of 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 remain unwavering 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 standards of excellence worldwide.
Question:1. What about the lead time?
Answer:Typically, the lead time for production spans approximately one month after payment is received. During this timeframe, we undertake meticulous preparations and uphold rigorous quality control processes, ensuring that each product is delivered to you in impeccable condition. Achieving your utmost satisfaction with our flawless delivery remains our primary commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer a remarkably low minimum order quantity, granting you the convenience of ordering as little as a single piece for sample verification. This flexibility allows you to initiate your projects with utmost ease and precision, effortlessly accommodating your exclusive requirements.
Question:3. How to proceed with an order for LED lights?
Answer: Begin the process by communicating your detailed requirements or intended applications to us. We will then craft a tailored quote specifically for you, either based on your unique needs or through our seasoned advice. Once the drawings are finalized and a deposit is made, we will formalize the order and initiate production. We promise adherence to every specification with precision, ensuring a seamless and bespoke solution just for you.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, guaranteeing that every detail is executed to perfection for a seamless and tailored solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is certainly feasible. Kindly ensure that you formally notify us prior to the commencement of production and confirm the design based on the sample we provide. This guarantees that your branding is represented with unparalleled precision and excellence, perfectly capturing your identity.
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