Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels represent the pinnacle of hydraulic innovation, skillfully combining pressure, flow, and directional control into a singular, cohesive masterpiece. This ensures unmatched performance and reliability across every application. Typically composed of three critical functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are designed for seamless integration into high-end hydraulic systems, pivotal for superior engineering machinery. They meticulously manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Key highlights include a compact structure, exceptional energy efficiency, and the capability for stepless speed control. Moreover, they empower multiple actuators to operate concurrently under various loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are meticulously designed for constant displacement pump systems, ensuring steadfast and reliable operation in any environment. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves may exhibit a slightly slower response, they excel in delivering remarkable energy-saving performance, making them the optimal choice for scenarios where efficiency is paramount. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, providing an ideal 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 backbone of reliability, this pump is designed to ensure unwavering and consistent performance. Experience unmatched dependability, empowering your systems to operate with the smooth efficiency of a well-oiled machine.;
HLPSV: Variable Displacement Pump - Embodying adaptability, this pump offers exceptional flexibility to meet diverse operational needs. Masterfully crafted to accommodate evolving demands, it facilitates seamless transitions and superior control.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, these specifications create a dependable operational framework. Crafted with meticulous attention, they elevate reliability across a wide array of applications.:
2-G3/8; Engineered for compact proficiency, designed to support streamlined operational efficiencies. Perfectly crafted for precision, it ensures outstanding performance even in confined spaces.
3-G1/2; Designed for robustness and reliability, providing a solid foundation for system integrity. Built to endure, it delivers steadfast durability in demanding conditions.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration. It brings sophistication and efficiency, elevating your system's operational prowess.;
5, 55-G1; Offering superior flow rates, ideal for high-demand applications. Ensuring consistent and reliable performance, it tackles high-pressure challenges with ease.;
6-G1 1/4; Delivering unparalleled performance, expertly engineered to excel in demanding environments. Setting new standards in power and performance, it tackles challenges effortlessly.;
(3) Additional Components and Specifications - Elevate system capabilities to new heights with advanced components that redefine excellence, unlocking the full potential of your operations.:
C,Standard Type - A reliable foundation, meticulously designed to meet essential operational requirements. Providing unwavering support, it empowers your system with unmatched reliability.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing system efficiency. It guarantees your operations are finely tuned for maximum effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unparalleled performance and dependability, delivering extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Offering tailored pressure control solutions for diverse applications, providing precision control that aligns perfectly with your operational goals.0 - Without a pressure reducing valve; 1 - Equipped with a pressure reducing valve (20 bar); 2 - Featuring a pressure reducing valve (40 bar); Delivering innovative, custom-engineered solutions that are expertly tailored to precisely align with your distinct operational needs. Experience customizable configurations that ensure you achieve your desired outcomes effortlessly and with precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate efficiency and control: Skillfully designed to enhance your system's performance, offering unrivaled control and outstanding effectiveness that revolutionizes your operational capabilities.C - Without a magnetic ball valve; F - A normally open magnetic ball valve, pressurizing the pump when powered and unloading it when not; D - A normally closed magnetic ball valve, unloading the pump when powered and pressurizing it when unpowered. Providing precision tuning for unmatched system efficiency and adaptability.D/F - Presenting a state-of-the-art, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This engineering masterpiece is crafted with exceptional accuracy to maintain a specifically defined pressure value, significantly enhancing advanced safety measures and optimizing operational security and reliability to unparalleled heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience ultimate versatility and precision with adjustable settings across 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, seamlessly meeting every hydraulic requirement. The /NF configuration offers systems without a pressure limiting valve, masterfully crafted for HLPSV, delivering unmatched pressure control across diverse applications with supreme accuracy.
(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 cater to every application, ensuring you acquire a product that seamlessly aligns with your specific requirements, delivering consistently exceptional performance.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously engineered for flawless and seamless integration, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Choose from a comprehensive 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. Experience pre-selectable options, each offering precision and exceptional efficiency tailored to your specific needs.
(10) Valve core function symbols: Explore an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements with unmatched precision and reliability.
(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 unwavering dependability.
(12) Secondary Pressure Limitation Options: Select from our meticulously designed choices for unparalleled system safety and reliability. Choose 'N' for no pressure limiting protection, 'C' for concurrent pressure limitation on actuator ports A & B, or 'A---B---' for independent pressure limitation on ports A & B. Each option is precisely calibrated in bar to ensure consistent and uncompromising protection of your hydraulic system.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational control with our customizable selections. Opt for 'N' for a streamlined setup without function ON/OFF or pressure outlet. Select 'X' with C type pressure limitation, or 'S/S1' with AB type pressure limitation for enhanced operational control. For electrical ON/OFF options, choose 'A' on side A, or 'B' on side B, ensuring each selection is perfectly tailored for maximum precision and functionality.
(14) Operation Modes: Discover a versatile array of operation modes engineered for precision and adaptability. 'A(1,2)' offers manual operation with the option of a long or short handle. 'E' provides electric proportional control, while 'EA(1,2)' merges it with manual capabilities for optimal flexibility. 'D' presents electric switching value control, with 'DA(1,2)' incorporating manual operation features. 'M' caters to manual friction positioning with a long handle. Experience 'H' and 'F' for pure hydraulic control, with pilot oil ports expertly aligned or perpendicular, delivering comprehensive control over your system.
(15) Ancillary Block Port Sizes: Enhance adaptability with our expertly engineered port size selections. Options include /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1. Each choice is crafted to ensure seamless integration and adaptability, promising top-tier performance across a diverse range of systems.
(16) End Plate Options: Explore our precisely engineered end plate solutions for enhanced system performance. 'E1' is your standard option, providing external discharge of pilot oil and an oil return control port T. 'E2' adds an additional port Y for increased flexibility. 'E3' features a 2-position, 3-way magnetic ball valve, boosting system pressure to safety valve levels when activated, ensuring top-of-the-line performance.
E4, mirroring 'E1', incorporates an innovative internal discharge of pilot oil with a sealed port T for improved efficiency. 'E5' replicates the robust features of 'E2' with an internal discharge to optimize performance. 'E6' embodies the intricate design of 'E3', providing advanced discharge control for complex system demands.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure and reliable range, including G12-12VDC, expertly crafted to ensure safety and reliability in even the most demanding applications. Our options are designed to offer specialization and security tailored to your needs.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has illuminated the hydraulic industry with its relentless commitment to innovation and unparalleled excellence. As a proud and prestigious subsidiary of the revered China Baoan Group (stock code: 000009), we stand tall as a national high-tech enterprise, a testament to our unwavering dedication to technological progression and superior quality standards. Our unparalleled expertise encompasses the meticulous research, pioneering development, precise manufacturing, and strategic sales of premium hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we remain steadfast in our pursuit of excellence, reinforcing our leadership position in the field.
At the heart of our product line stands the flagship innovation: the Enhanced Safety Atex Valve. This masterpiece of modern engineering embodies the zenith of cutting-edge hydraulic system control, meticulously crafted for deployment in construction machinery and robust heavy-duty equipment. It plays a vital role in imperative applications ranging from emergency rescue operations to tunnel engineering, mining endeavors, and the deployment of municipal service vehicles. We are profoundly committed to our strategic alliances with leading domestic manufacturers, propelling the advancement of core hydraulic component localization for high-end mechanical equipment. Anchored by our guiding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering in our quest to deliver exceptional products, unparalleled services, and innovative solutions. With a vision to emerge as a globally trusted supplier of premier hydraulic components, we continually aspire to set new benchmarks of excellence on the international stage.
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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