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 ensures unwavering and consistent performance, empowering smooth and proficient operations across your system. Experience the unmatched dependability that keeps your machinery operating like a well-oiled machine.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and versatility, this pump offers exceptional flexibility to meet a broad spectrum of operational needs. Crafted to accommodate evolving demands, it facilitates seamless transitions and superior control.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, creating a dependable operational framework: Crafted with meticulous attention to detail for flawless performance, elevating reliability across every application.:
2-G3/8; Engineered for compact proficiency, designed to support streamlined and seamless operational efficiencies. Perfectly crafted for precision, it ensures outstanding performance even in the most confined spaces.
3-G1/2; Designed for robustness and reliability, providing a solid foundation for your system's integrity. Built to endure, delivering steadfast durability in the most demanding conditions.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration. It brings sophistication and efficiency together to elevate your system's operational prowess.;
5, 55-G1; Offering superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance. Designed for excellence, it tackles high-pressure challenges with ease.;
6-G1 1/4; Delivering unparalleled performance, expertly engineered to excel in demanding environments and tackle challenges effortlessly. Setting new standards in power and performance.;
(3) Additional Components and Specifications - Raising system capabilities to new heights: Unlocking the full potential of your operations with advanced components that redefine excellence.:
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements. Providing unwavering support and unmatched reliability to empower your system.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing the overall efficiency of your system. 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. It surpasses conventional limits to deliver extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Discover a world of bespoke pressure control, expertly crafted to cater to a multitude of applications: Experience unparalleled precision control, meticulously tailored to harmonize with your specific operational aspirations, ensuring seamless alignment with your workflow.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Immerse yourself in a realm where custom-engineered solutions are meticulously crafted to perfectly meet your exclusive operational needs. Revel in customizable configurations that guarantee the effortless realization of your desired outcomes, executed with the utmost precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Unleash new levels of efficiency and control: Masterfully engineered to elevate your system's performance to its pinnacle, this magnetic ball valve delivers unmatched control and exceptional effectiveness, revolutionizing your operational capabilities.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. Experience the epitome of precision tuning, crafted to deliver unrivaled system efficiency and adaptability.D/F - Presenting a groundbreaking, precision-engineered pressure limiting valve for secondary pressure (F50). This engineering masterpiece is designed with extraordinary accuracy to consistently maintain a predetermined pressure value, vastly enhancing advanced safety measures and propelling operational security and reliability to extraordinary levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embrace the pinnacle of versatility and precision with adjustable settings across 63, 120, 210, 280, 315, 350, and 400 bar levels. This component represents the quintessence of adaptability, effortlessly fulfilling every hydraulic need. The /NF configuration, devoid of a pressure limiting valve, is masterfully designed for HLPSV, offering unparalleled pressure control with supreme accuracy across diverse applications.
(7) Product Series Classification - The Zenith of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a paragon of design mastery, ingeniously crafted to address every application, assuring you acquire a product that perfectly aligns with your unique requirements, consistently delivering outstanding performance.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Introducing ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, exquisitely engineered for flawless and seamless integration, ensuring optimal efficiency with unrivaled precision.
(9)Directional valve block inflow controller options: Explore an extensive range of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, meticulously crafted for the N 3/3-way valve; 5, enhanced inflow controller. Experience pre-selectable options, each offering precision and remarkable efficiency, tailored to fulfill your specific demands.
(10) Valve core function symbols: Explore a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional needs with unparalleled precision and reliability.
(11) Output flow code for ports A & B: Achieve peak operational efficiency with a spectrum of available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for superior performance and steadfast dependability.
(12) Secondary Pressure Limitation Options: Discover our array of meticulously engineered pressure limitation choices designed to elevate system safety and reliability. Opt for 'N' if no pressure limiting protection is desired. Select 'C' for concurrent pressure limitation across actuator ports A & B, or choose 'A---B---' for independent pressure control of these ports. Each option is precisely gauged in bar to guarantee unwavering system assurance.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational capabilities with our customizable feature set. Select 'N' for a simplified configuration without function ON/OFF or pressure outlet needs. Choose 'X' for implementations requiring C type pressure limitation, or opt for 'S/S1' with AB type pressure limitation to enhance control. For electrical ON/OFF functionality, select 'A' on side A or 'B' on side B, each precisely configured to deliver accuracy and functionality.
(14) Operation Modes: Dive into a range of operation modes engineered for adaptability and precision. 'A(1,2)' offers manual operation with options for a long or short handle. 'E' introduces electric proportional control, while 'EA(1,2)' combines this with manual operation for exceptional flexibility. 'D' provides electric switching value control, and 'DA(1,2)' adds manual capabilities. 'M' is designed for manual friction positioning with a long handle. Experience 'H' and 'F' for complete hydraulic control with pilot oil ports adeptly aligned or perpendicular, ensuring thorough control.
(15) Ancillary Block Port Sizes: Experience unparalleled adaptability with our expertly crafted port size options. Select from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1. Each choice promises seamless integration and adaptability, guaranteeing optimal performance across a diverse range of systems.
(16) End Plate Options: Discover our precision-engineered end plate solutions. 'E1' is your standard, offering an external discharge of pilot oil and an oil return control port T. 'E2' adds an extra port Y for increased versatility. 'E3' features a 2-position, 3-way magnetic ball valve that elevates system pressure to safety valve levels when engaged, ensuring superior performance.
Revolutionize your system efficiency with our innovative end plate options. 'E4' mirrors 'E1', incorporating an internal discharge of pilot oil with a sealed port T for enhanced efficiency. 'E5' replicates the robust features of 'E2' with an internal discharge to boost performance. 'E6' captures the sophisticated design of 'E3', providing advanced discharge control for the most complex system requirements.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure and reliable selection, including G12-12VDC, tailored for safety and reliability even in the most demanding applications. Our offerings are crafted to deliver specialization and security.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 been a beacon of innovation and excellence in the hydraulic industry. As a proud subsidiary of the esteemed China Baoan Group (stock code: 000009), we have carved a niche as a national high-tech enterprise, reflecting our steadfast commitment to technological advancement and superior quality standards. Our expertise spans the thorough research, cutting-edge development, precision manufacturing, and strategic sales of top-tier hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we relentlessly pursue excellence, fortifying our leadership in the industry.
At the pinnacle of our product offerings is the flagship innovation: the Enhanced Safety Atex Valve. This marvel of modern engineering represents the epitome of advanced hydraulic system control, designed with precision for deployment in construction machinery and durable heavy-duty equipment. It is crucial for critical applications such as emergency rescue operations, tunnel engineering, mining projects, and municipal service vehicle deployment. We are deeply committed to strategic partnerships with leading domestic manufacturers, advancing the localization of core hydraulic components for high-end machinery. Driven by our philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are dedicated to delivering exceptional products, unmatched services, and innovative solutions. Aspiring to become a globally trusted supplier of premier hydraulic components, we continually strive to set new standards of excellence on the world 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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