Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels epitomize the pinnacle of hydraulic innovation, masterfully combining pressure, flow, and directional control into a singular, cohesive masterpiece. This ensures unmatched performance and reliability across every application. Meticulously composed of three critical functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are tailored 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 - This is the backbone of reliability, ensuring unwavering and consistent performance across your system. Experience unmatched dependability that keeps your machinery operating seamlessly, like a perfectly tuned machine.;
HLPSV: Variable Displacement Pump - An exemplar of adaptability and versatility, this pump offers exceptional flexibility to cater to a broad spectrum of operational needs. Designed to accommodate evolving demands, it facilitates seamless transitions and superior control.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, forming a dependable operational framework: Crafted with meticulous attention to detail, elevating reliability across every application for flawless performance.:
2-G3/8; Engineered for compact proficiency, this is designed to support streamlined and seamless operational efficiencies. Perfectly crafted for precision, it ensures outstanding performance even in confined spaces.
3-G1/2; Built for robustness and reliability, this provides a solid foundation for your system's integrity. Constructed to endure, delivering steadfast durability in demanding conditions.;
4-G3/4; Featuring advanced connectivity, this offers superior control and enhanced system integration. It blends sophistication and efficiency to elevate your system's operational prowess.;
5, 55-G1; Offering superior flow rates, this is 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, this is expertly engineered to excel in demanding environments and tackle challenges effortlessly. Setting new standards in power and performance.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights: Unlock 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. Guarantees operations are finely tuned for maximum effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management for unparalleled performance and dependability, surpassing conventional limits to deliver extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Offering custom pressure control solutions for diverse applications: Tailored to specific needs, providing precision control that aligns perfectly with your operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering custom-engineered solutions tailored to seamlessly align with your unique operational demands. Experience customizable configurations that ensure you achieve your desired outcomes effortlessly and with precision. Elevate your operational excellence with our precision-engineered solutions, designed to meet and exceed your expectations.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control: Expertly designed to optimize your system's performance, offering unparalleled control and superior effectiveness that transforms your operational capabilities. Harness the power of cutting-edge design to achieve maximum efficiency and control in your systems.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. Providing precision tuning for unmatched system efficiency and adaptability. Achieve remarkable precision and adaptability with our expertly crafted magnetic ball valves.D/F - Introducing a state-of-the-art, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with remarkable accuracy to maintain a specifically defined pressure value, significantly enhancing advanced safety measures and optimizing operational security and reliability to unparalleled heights. Step into the future of safety and reliability with our advanced pressure limiting valve technology.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in the ultimate in versatility and precision with adjustable settings spanning 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, expertly crafted for HLPSV, delivering unmatched pressure control across diverse applications with supreme accuracy. Unlock the full potential of your hydraulics with our versatile and precise pressure limiting solutions.
(7) Product Series Classification - The Apex of Engineering Excellence: Experience the pinnacle of design and functionality with our product series, each a testament to engineering prowess.;-2 2 Series; -3 3 Series; -5 5 Series; Each series embodies a masterclass in design, skillfully conceived to address every application, ensuring you procure a product that seamlessly aligns with your specific requirements, delivering consistently exceptional performance. Discover series that redefine excellence and precision, tailored for every unique application.
(8)Thread size of directional spool valve ports A & B: Precisely engineered thread sizes ensure seamless integration and optimal performance.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. Achieve superior efficiency with flawlessly integrated thread sizes and auxiliary components.
(9)Directional valve block inflow controller options: Select from a comprehensive range of options: 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. Discover the precision of choice with our expertly designed inflow controller options, each tailored to exceed efficiency expectations.
(10) Valve core function symbols: Discover 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. Unveil a world of function symbols, each crafted with precision to meet your operational needs.
(11) Output flow code for ports A & B: Attain 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. Elevate your system's performance with output flows engineered for excellence and reliability.
(12) Secondary Pressure Limitation Options: Explore our diverse selection, featuring: N, for systems without pressure limiting protection; C, providing simultaneous pressure limitation for both actuator ports A & B; and A---B---, offering independent pressure limitation for ports A & B. Each option is precisely measured in bar, ensuring the utmost system safety and unwavering reliability.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational capabilities with our tailored selections. Choose 'N' for a straightforward configuration without function ON/OFF or pressure outlets. Opt for 'X' with C type pressure limitation, or 'S/S1' with AB type pressure limitation for superior control. Select 'A' for electrical ON/OFF on side A, or 'B' for electrical ON/OFF on side B, both exquisitely crafted for precision and exceptional functionality.
(14) Operation Modes: Discover the wide array of operation modes, engineered for adaptability and precision. 'A(1,2)' offers manual control with the option of a long or short handle. 'E' provides electric proportional control, while 'EA(1,2)' combines it with manual operation for maximum flexibility. 'D' offers electric switching value control, with 'DA(1,2)' integrating manual operation. 'M' is crafted for manual friction positioning with a long handle. Experience 'H' and 'F' for complete hydraulic control, with pilot oil ports expertly aligned or set perpendicularly, ensuring comprehensive management.
(15) Ancillary Block Port Sizes: Enhance your system's adaptability with our meticulously crafted port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, each engineered to ensure seamless integration and adaptability, guaranteeing top performance across a broad spectrum of systems.
(16) End Plate Options: Delve into our finely engineered end plate offerings. 'E1' serves as the standard, featuring external discharge of pilot oil and an oil return control port T. 'E2' adds a supplemental port Y for enhanced flexibility. 'E3' introduces a 2-position, 3-way magnetic ball valve, raising system pressure to safety valve standards when activated, ensuring superior performance.
E4 mirrors 'E1', featuring an innovative internal discharge of pilot oil with a sealed port T for heightened efficiency. 'E5' mirrors the robust features of 'E2' with internal discharge for peak performance. 'E6' reflects the sophisticated design of 'E3', offering advanced discharge control for the most intricate system needs.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure, reliable range, including G12-12VDC, created for safety and dependability in the most demanding applications. Our options are meticulously designed to provide 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 distinguished subsidiary of the esteemed China Baoan Group (stock code: 000009), our reputation as a national high-tech enterprise underscores our dedication to advancing technology and maintaining superior quality. Our expertise spans comprehensive research, groundbreaking development, precise manufacturing, and strategic sales of top-tier hydraulic components. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we consistently reinforce our leadership in this field.
At the core of our product lineup is the flagship innovation: the Enhanced Safety Atex Valve. This pinnacle of modern engineering represents the forefront of hydraulic system control, expertly designed for use in construction machinery and powerful heavy-duty equipment. It is instrumental in critical applications, including emergency rescue, tunnel engineering, mining, and municipal service vehicle operations. Our dedication to strategic partnerships with leading domestic manufacturers drives the localization of essential hydraulic components for advanced mechanical equipment. Guided by our philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are committed to providing exceptional products, superior services, and innovative solutions. With a vision to become a globally trusted supplier of premier hydraulic components, we strive to set new standards 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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