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 - This powerhouse of reliability guarantees unyielding and steady performance, elevating operational efficiency throughout your machinery. Revel in the extraordinary dependability that ensures your equipment runs like a perfectly tuned machine.;
HLPSV: Variable Displacement Pump - A paragon of adaptability, this pump delivers remarkable flexibility to cater to an extensive range of operational demands. Expertly designed to accommodate shifting requirements, it offers seamless transitions and exceptional control.;
(2) Connection Block Ports P & R Specifications - Precision and reliability converge to create a faultless operational framework: Engineered with precision for impeccable performance, enhancing dependability in every application.:
2-G3/8; Crafted for compact efficiency, this design supports streamlined operations with impeccable precision, ensuring superior performance even in the tightest spaces.
3-G1/2; Built for robustness and unwavering reliability, forming a resilient foundation for your system's integrity. Designed to withstand, it delivers durable performance in the most challenging environments.;
4-G3/4; Featuring advanced connectivity, it offers superior control and enhanced system integration to elevate operational excellence and efficiency.;
5, 55-G1; Designed for high flow rates, ideal for demanding applications, ensuring consistent and dependable performance. It meets high-pressure challenges with exceptional ease.;
6-G1 1/4; Delivering unmatched performance, it is expertly engineered to excel in the most demanding environments, effortlessly tackling challenges and setting new benchmarks in power and performance.;
(3) Additional Components and Specifications - Elevating system capabilities to unparalleled levels: Harness advanced components that redefine excellence, unlocking your operation's full potential.:
C,Standard Type - A steadfast and trusted cornerstone, meticulously crafted to meet essential operational standards, providing unwavering support and unmatched reliability for your system.;
G,Throttle Valve (For HLPSL only) - Ensuring precise control, it enhances overall system efficiency, guaranteeing operations are finely tuned for peak performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Enhancing flow management, it drives exceptional performance and reliability, surpassing conventional standards to achieve extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions tailored to diverse applications: Precisely aligned with your specific requirements, providing precision control to perfectly align with your operational objectives.0 - Absence of pressure reducing valve; 1 - Incorporates a pressure reducing valve (20 bar); 2 - Equipped with a pressure reducing valve (40 bar). Tailored, custom-engineered solutions perfectly aligned with your unique operational demands. Enjoy unparalleled customizable configurations, ensuring precise achievement of your desired operational outcomes effortlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Revolutionizing efficiency and control: Expertly crafted to optimize system performance, it offers unmatched control and superior effectiveness, transforming your operational capabilities to new heights.C - Without magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing when unpowered. Precision tuning delivers unparalleled system efficiency and adaptability.D/F - Presenting a cutting-edge, precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel maintains a precisely defined pressure value, significantly enhancing safety measures while optimizing operational security and reliability to unparalleled heights.
(6) Tool Adjustable, Pressure Limiting Valve within Connection Block: Experience ultimate versatility and precision with adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, meeting every hydraulic requirement seamlessly. The /NF configuration delivers systems without a pressure limiting valve, expertly crafted for HLPSV, providing 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, meticulously conceived to cater to every application, ensuring you acquire a product that aligns perfectly with your specific requirements, consistently delivering exceptional performance.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1. Featuring auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously engineered for flawless integration, ensuring optimal efficiency and seamless operation.
(9)Directional valve block inflow controller options: Choose from a comprehensive range: 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 options that offer precision and exceptional efficiency, tailored to your specific needs.
(10) Valve core function symbols: Explore a broad collection of core functions: L, M, F, H, J, B, R, O, N, each precisely 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 meticulously designed for supreme performance and unwavering dependability.
(12) Secondary Pressure Limitation Options: Embrace ultimate peace of mind with our expertly curated selection of secondary pressure limitation options. Choose 'N' for systems without pressure limiting protection. Opt for 'C' to achieve concurrent pressure limitation of actuator ports A & B, or select 'A---B---' for independent control over each port. Every option is meticulously measured in bar to guarantee unwavering system safety and reliability.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your machinery's precision with our tailored selections. Choose 'N' for a streamlined experience without function ON/OFF or pressure outlet. Select 'X' for C type pressure limitation, or 'S/S1' for AB type pressure limitation to enhance your control. For electrical ON/OFF, choose 'A' for side A or 'B' for side B, finely tuned for ultimate precision and functionality.
(14) Operation Modes: Dive into a world of versatility with our diverse operation modes. 'A(1,2)' offers manual operation with customizable handle lengths. 'E' introduces electric proportional control, and 'EA(1,2)' blends manual operation for added flexibility. For electric switching, 'D' is ideal, with manual capabilities added in 'DA(1,2)'. 'M' provides manual friction positioning with an extended handle. Experience pure hydraulic control with 'H' and 'F', offering expertly aligned or perpendicular pilot oil ports, ensuring comprehensive command.
(15) Ancillary Block Port Sizes: Achieve seamless integration with our meticulously engineered port sizes. Select from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, each crafted to ensure adaptability and superior performance across diverse systems.
(16) End Plate Options: Discover our precision-engineered end plate solutions. 'E1' is your standard, providing external pilot oil discharge and an oil return control port T. 'E2' offers enhanced flexibility with an additional port Y, while 'E3' features a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated for superior performance.
Explore 'E4', which mirrors 'E1' with an innovative internal pilot oil discharge and sealed port T for improved efficiency. 'E5' reflects the robust design of 'E2', also with internal discharge for peak performance. 'E6' embodies 'E3' with advanced discharge control, perfect for intricate system needs.
(17) Control Voltage and Anti-Explosion Cable Options: Secure your system with our range of reliable options. G12-12VDC is crafted for safety and reliability, ideal for challenging applications. Each option offers specialization and security, ensuring peace of mind in demanding environments.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 renowned China Baoan Group (stock code: 000009), we are recognized as a national high-tech enterprise, underscoring our steadfast dedication to technological advancement and superior quality standards. Our expertise lies in the rigorous research, forward-thinking development, precise manufacturing, and strategic sales of top-tier hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we remain committed to excellence, solidifying our leadership in the field.
At the core of our product line is the flagship innovation: the Enhanced Safety Atex Valve. This marvel of modern engineering represents the pinnacle of advanced hydraulic system control, engineered for use in construction machinery and durable heavy-duty equipment. It is essential in critical applications such as emergency rescue operations, tunnel engineering, mining projects, and municipal service vehicle deployments. We are deeply committed to strategic partnerships with leading domestic manufacturers, driving the localization of core hydraulic components for high-end mechanical equipment. Guided by our philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are devoted to delivering outstanding products, exceptional services, and innovative solutions. With a vision to become a globally trusted supplier of premier hydraulic components, we continuously 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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