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 unwavering reliability, ensuring consistent performance for smooth and proficient operations. Experience unmatched dependability, keeping your machinery operating seamlessly.;
HLPSV: Variable Displacement Pump - Embodying adaptability, this pump offers exceptional flexibility for a wide range of needs. Designed to accommodate changing demands, it facilitates seamless transitions and superior control.;
(2) Connection Block Ports P & R Specifications - Precision and reliability merge, crafting a dependable framework: Engineered with meticulous detail, it elevates reliability across all applications.:
2-G3/8; Engineered for compact efficiency, designed to support seamless operational workflows. Perfectly crafted for precision, it delivers outstanding performance even in confined spaces.
3-G1/2; Designed for strength and reliability, providing a solid foundation for your system's integrity. Built to endure, it delivers steadfast durability in demanding conditions.;
4-G3/4; Featuring advanced connectivity for superior control and system integration. It combines sophistication and efficiency, elevating your system's operational capabilities.;
5, 55-G1; Offering superior flow rates, ideal for high-demand applications, ensuring reliable performance. Designed for excellence, it skillfully tackles high-pressure challenges.;
6-G1 1/4; Delivering unmatched performance, expertly engineered to excel in demanding environments. Sets new standards in power and efficacy.;
(3) Additional Components and Specifications - Elevating system capabilities: 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 needs, providing unwavering support and unmatched reliability to empower your system.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing overall system efficiency. Guarantees 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. Surpasses conventional limits to deliver extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Custom pressure control solutions for diverse applications: Tailored for specific needs, offering precision control that aligns with your operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Unlock the potential of limitless possibilities with our custom-engineered solutions, perfectly crafted to harmonize with your specific operational needs. Our customizable configurations empower you to effortlessly and precisely achieve your desired outcomes with absolute confidence.
(5) 2/2-way Magnetic Ball Valve for System Unloading: Elevate your system's performance to new heights with our expertly designed valve. Experience unparalleled control and superior effectiveness that transforms your operational capabilities, ensuring a seamless and efficient process every time.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. Achieve ultimate system efficiency and adaptability with our precision tuning, tailored to meet your exact specifications.D/F - Introducing our 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.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embrace the pinnacle of versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component epitomizes adaptability, seamlessly meeting every hydraulic requirement. The /NF configuration, without a pressure limiting valve, is expertly crafted for HLPSV, delivering unmatched pressure control with supreme accuracy across diverse applications.
(7) Product Series Classification - The Apex of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterclass in design, meticulously conceived to address every application, ensuring you procure 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: 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.
(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.
(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.
(12) Secondary Pressure Limitation Options: Discover unparalleled safety tailored to your needs with our secondary pressure limitation features. Select 'N' for systems without pressure limiting protection, ensuring simplicity and ease-of-use. Opt for 'C' for concurrent pressure limitation across actuator ports A & B, delivering heightened safety across the board. For independent control, 'A---B---' provides separate pressure limitations for ports A & B, meticulously measured in bar for the utmost in system reliability and safety assurance.
(13) Function ON/OFF and Pressure Outlet Options: Transform operational efficiency with our bespoke selections, designed to meet your precise needs. Choose 'N' for a simplified setup that excludes function ON/OFF and pressure outlet. For enhanced control, select 'X' with the C type pressure limitation, or 'S/S1' equipped with AB type pressure limitation. Opt for 'A' to enable electrical ON/OFF on side A, or 'B' for side B, crafted for superior precision and operational excellence.
(14) Operation Modes: Experience a diverse array of operation modes engineered for precision and adaptability. The 'A(1,2)' option offers manual operation with a choice of long or short handle, while 'E' provides electric proportional control. The 'EA(1,2)' mode blends manual and electric controls for supreme flexibility. With 'D', enjoy electric switching value control, and 'DA(1,2)' adds manual operation. 'M' features manual friction positioning with a long handle. Discover 'H' and 'F' modes, offering pure hydraulic control with pilot oil ports strategically aligned or perpendicular, ensuring comprehensive command.
(15) Ancillary Block Port Sizes: Elevate compatibility and integration with our meticulously engineered port size options. Select from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, each designed for seamless integration and optimum adaptability, ensuring exceptional performance across diverse systems.
(16) End Plate Options: Investigate our precisely engineered end plate solutions tailored for any system need. 'E1' provides a standard external discharge of pilot oil and an oil return control port T. With 'E2', experience greater flexibility with an additional port Y. 'E3' incorporates a 2-position, 3-way magnetic ball valve, enhancing system pressure to safety valve levels upon activation for ultimate performance and reliability.
E4 reflects the robust design of 'E1', featuring an innovative internal discharge of pilot oil with a sealed port T for optimized efficiency. 'E5' mirrors the robust features of 'E2', enhancing performance with an internal discharge. 'E6' captures the sophisticated design of 'E3', offering advanced discharge control tailored for intricate system requirements.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure and reliable voltage options like G12-12VDC, expertly crafted for safety and reliability in even the most demanding applications. Our extensive range is designed to provide unrivaled 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 within the hydraulic industry. As an esteemed subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly represent the pinnacle of national high-tech enterprise status, showcasing our steadfast devotion to technological advancement and superior quality. Our expertise shines through in the meticulous research, pioneering development, precise manufacturing, and strategic sales of high-end hydraulic components. Honored as a national 'specialized, refined, and innovative' small giant enterprise, we are unyielding in our pursuit of excellence, solidifying our leadership in the field.
At the forefront of our offerings is the flagship innovation: the Enhanced Safety Atex Valve. This marvel of modern engineering stands as a testament to cutting-edge hydraulic system control, exquisitely engineered for use in construction machinery and heavy-duty equipment. It plays a crucial role in critical operations, from emergency rescue missions to tunnel construction, mining projects, and municipal service vehicle deployment. We are deeply committed to forging strategic partnerships with leading domestic manufacturers, driving the localization of key hydraulic components for high-end mechanical equipment. Guided by our philosophy of 'serving customers with technology, impressing with our attitude, and retaining with quality,' we are dedicated to delivering exceptional products, unparalleled services, and innovative solutions. Our vision is to become a globally trusted supplier of premier hydraulic components, aspiring 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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