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 - As the backbone of reliability, this pump guarantees unwavering and consistent performance, ensuring smooth and proficient operations throughout your system. Experience unparalleled dependability that maintains your machinery's seamless operation, akin to a perfectly synchronized mechanism.;
HLPSV: Variable Displacement Pump - Embodying adaptability and versatility, this pump delivers exceptional flexibility to cater to a wide array of operational requirements. Designed with the capability to meet evolving demands, it enables seamless transitions and superior control for operational excellence.;
(2) Connection Block Ports P & R Specifications - Precision flawlessly meets reliability, constructing a dependable operational framework: Expertly crafted with meticulous attention to detail for impeccable performance, enhancing reliability across every application with unmatched precision.:
2-G3/8; Expertly engineered for compact proficiency, designed to uphold streamlined and seamless operational efficiencies. Ideal for precision in confined spaces, it ensures outstanding performance and reliability.
3-G1/2; Robust and reliable, this design offers a solid foundation for your system's integrity. Built for endurance, it delivers steadfast durability even in the most challenging and demanding conditions.;
4-G3/4; Featuring advanced connectivity that provides superior control and enhanced system integration. It masterfully combines sophistication and efficiency to elevate your system's operational prowess.;
5, 55-G1; Designed for optimum flow rates, perfect for high-demand applications, ensuring consistent and reliable performance. Built for excellence, it effortlessly tackles high-pressure challenges.;
6-G1 1/4; Delivering unmatched performance, this is expertly engineered to excel in the most demanding environments, mastering challenges with ease. Setting a new standard in power and efficiency.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights: Unlock the potential of your operations with advanced components that redefine excellence, ensuring your system operates at its fullest potential.:
C,Standard Type - A reliable and trusted foundation, meticulously designed to fulfill essential operational needs. It provides unwavering support and unmatched reliability, empowering your system with steadfast performance.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, optimizing the overall efficiency of your system. It guarantees operations are finely tuned for maximum effectiveness and precision.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving exceptional performance and dependability. It goes beyond conventional limits to deliver extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Providing tailored pressure control solutions for diverse applications: Customized to your specific needs, offering precision control that aligns perfectly with your operational goals and objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Experience the future of fluid dynamics with our custom-engineered solutions, perfectly tailored to meet your unique operational demands. Unlock the potential of customizable configurations that guarantee precision and effortless achievement of your desired outcomes.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate system efficiency and control: This valve is expertly crafted to optimize performance, providing unmatched control and effectiveness that revolutionizes your operational capabilities.C - No magnetic ball valve; F - Normally open magnetic ball valve, energizing the pump when powered and unloading when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing when unpowered. Achieve precision tuning for superior system efficiency and adaptability.D/F - Discover a cutting-edge, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This engineering feat is designed with exceptional accuracy to maintain specific pressure values, enhancing safety and optimizing operational reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unparalleled versatility with adjustable settings across 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, meeting every hydraulic demand with precision. The /NF configuration, crafted for HLPSV, delivers unmatched pressure control tailored for diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to superior design, adeptly addressing every application. Procure a product that perfectly aligns with your specific requirements, ensuring 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, designed for impeccable integration, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Choose from an extensive range of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, designed for the N 3/3-way valve; 5, enhanced inflow controller. Each option promises precision and efficiency, tailored to your specific needs.
(10) Valve core function symbols: Explore a diverse array of core functions: L, M, F, H, J, B, R, O, N, each crafted with meticulous attention to meet specific functional requirements with unparalleled precision and reliability.
(11) Output flow code for ports A & B: Achieve peak operational efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for superior performance and unwavering dependability.
(12) Secondary Pressure Limitation Options: Unlock the next level of hydraulic control with our expertly crafted choices. Opt for 'N' to forego pressure limiting protection, choose 'C' for simultaneous pressure limitation on actuator ports A & B, or select 'A---B---' to enjoy independent pressure control on ports A & B. Each option is precisely measured in bar, ensuring unwavering system safety and superior reliability.
(13) Function On/Off and Pressure Outlet Options: Transform your operational capabilities with our adaptable selections. Choose 'N' for a simplified configuration without function on/off or pressure outlet. Opt for 'X' with a C type pressure limitation, or 'S/S1' with AB type limitation for refined control. Select 'A' for precise electrical on/off on side A, or 'B' for the same on side B, each customizable for maximum precision and functionality.
(14) Operation Modes: Dive into a world of versatile operation modes curated for excellence. 'A(1,2)' provides manual operation with options for a long or short handle. 'E' offers electric proportional control, while 'EA(1,2)' combines it with manual operation for unmatched flexibility. 'D' delivers electric switching value control, with 'DA(1,2)' further enhanced by manual operation. 'M' is designed for manual friction positioning via a long handle. Explore 'H' and 'F' for exclusive hydraulic control, with pilot oil ports meticulously aligned or perpendicular, presenting an all-encompassing control experience.
(15) Ancillary Block Port Sizes: Experience unrivaled adaptability with our precision-engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1. Each selection promises seamless integration, adaptability, and peak performance across diverse system requirements.
(16) End Plate Options: Discover our expertly designed end plate solutions that redefine system control. 'E1' offers a standard option with an external discharge of pilot oil and an oil return control port T. 'E2' enhances adaptability with an added port Y. 'E3' introduces a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated for superior performance.
E4 mirrors 'E1', featuring a pioneering internal discharge of pilot oil with a sealed port T to boost efficiency. 'E5' replicates the outstanding features of 'E2' with an internal discharge for peak performance. 'E6' embodies the sophisticated design of 'E3', providing advanced discharge control for intricate system demands.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our dependable and secure range, including G12-12VDC, engineered to deliver safety and reliability in the most demanding environments. Our options guarantee 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 become a beacon of brilliance in the hydraulic industry. With an unyielding commitment to innovation and unmatched excellence, we have consistently set high standards. As a distinguished subsidiary under the esteemed China Baoan Group (stock code: 000009), we proudly uphold our status as a national high-tech enterprise. This accreditation reflects our enduring pursuit of technological advancement and impeccable quality. Our expertise spans comprehensive research, groundbreaking development, precision manufacturing, and strategic sales of superior hydraulic components. Celebrated widely as a 'specialized, refined, and innovative' small giant enterprise, we fortify our leadership by steadfastly pursuing excellence in every endeavor.
At the core of our innovative product lineup is the Enhanced Safety Atex Valve. This marvel of engineering represents the pinnacle of modern hydraulic system control, meticulously designed for deployment in construction machinery and robust heavy-duty equipment. Its critical role spans vital applications, including emergency rescue operations, tunnel engineering, mining projects, and municipal service vehicles. Our strategic partnerships with leading domestic manufacturers drive forward the localization of essential hydraulic components for top-tier mechanical equipment. Guided by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are devoted to delivering exceptional products, unmatched services, and inventive solutions. With a vision to become a globally trusted supplier of premier hydraulic components, we aspire to continuously 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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