Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels represent the pinnacle of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into one superior, unified system. This exceptional synthesis guarantees unmatched performance and reliability across a wide spectrum of applications. Constructed from three fundamental functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves integrate effortlessly into high-end hydraulic systems, essential for elite engineering machinery. They expertly govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unparalleled precision and control. Key features include a compact design, outstanding energy efficiency, and the capability for stepless speed control. Moreover, they enable the simultaneous operation of multiple actuators under variable loads, providing exceptional 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 tailored for variable pump systems. While HLPSV valves might exhibit a slightly slower response, they excel in extraordinary energy-saving performance, making them the ideal choice where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the ultimate solution for advanced hydraulic control requirements, offering a perfect 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 - Anchored in steadfast engineering excellence, this pump ensures a steady, seamless workflow, elevating your system to an engineering masterpiece. Revel in unmatched reliability and empower your machinery to operate with unerring precision.;
HLPSV: Variable Displacement Pump - A model of adaptability and modern innovation, this pump offers remarkable versatility to meet diverse operational demands. With a visionary design, it allows for fluid transitions and superior control, keeping your system at the forefront of performance.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability to build a solid operational foundation. Crafted with great care, these specifications ensure flawless performance and increased reliability across applications, offering a steadfast base for success.:
2-G3/8; This design epitomizes compact proficiency, enhancing operational efficiencies with accuracy. Expertly crafted to perform in space-limited environments, it delivers outstanding performance without sacrifice.
3-G1/2; Built for strength and dependability, this component forms a robust backbone for your system's endurance. Designed to withstand rigorous conditions, it ensures steadfast durability and performance.;
4-G3/4; With advanced connectivity, this component provides unparalleled control and integration. Its sophisticated design boosts system efficiency, enhancing overall operational capability gracefully.;
5, 55-G1; Delivering exceptional flow rates for high-demand scenarios, this component ensures consistent, powerful performance. Crafted for excellence, it tackles high-pressure challenges with finesse and precision.;
6-G1 1/4; Offering extraordinary performance, this component excels in demanding environments. Designed to exceed expectations, it sets new standards in power and capability, managing tough tasks effortlessly.;
(3) Additional Components and Specifications - Enhance your system's capabilities with state-of-the-art components that redefine operational excellence. These cutting-edge specifications unlock new performance levels, transforming your operations into a standard of success.:
C,Standard Type - A reliable foundation, meticulously engineered to meet crucial operational needs. This component provides unwavering support and unparalleled reliability, empowering your system to reach its peak potential.;
G,Throttle Valve (For HLPSL only) - Achieve precision control to boost your system's efficiency. This valve refines operations for maximum effectiveness, ensuring every component functions in harmony for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve optimizes flow management, delivering extraordinary performance and reliability. Surpassing conventional limits, it achieves exceptional results consistently.;
(4) Pilot Oil Circuit Pressure Options - Experience unparalleled empowerment with our bespoke pressure control solutions. Meticulously crafted for diverse applications, these options offer superior accuracy, ensuring perfect harmony with your operational targets.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Discover solutions custom-engineered to flawlessly integrate with your operational demands. Enjoy configurations that empower seamless and precise achievement of desired results.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate efficiency and control to extraordinary levels. Expert craftsmanship enhances system performance, offering superior control and exceptional effectiveness, revolutionizing your capabilities.C - No magnetic ball valve; F - Normally open magnetic ball valve, energizing the pump when powered, unloading when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, energizing when unpowered. Precision tuning offers unmatched efficiency and adaptability.D/F - Introducing a state-of-the-art, precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted to uphold designated pressure values, significantly enhancing safety measures while optimizing operational security and reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in ultimate versatility and precision with adjustable settings from 63 to 400 bar levels. This component exemplifies adaptability, fulfilling every hydraulic need seamlessly. The /NF configuration provides systems without a pressure limiting valve, expertly crafted for HLPSV, offering unrivaled pressure control 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 crafted to address every application. Ensure a product that aligns seamlessly with your needs, 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 auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously engineered for flawless integration, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Select from a comprehensive array: 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. Discover pre-selectable options, each offering precision and exceptional efficiency, customized to specific needs.
(10) Valve core function symbols: Explore a diverse collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill specific functional requirements with unmatched precision and reliability.
(11) Output flow code for ports A & B: Unlock unparalleled efficiency with our finely tuned maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow setting is engineered for top-tier performance, assuring relentless reliability and operational excellence.
(12) Secondary Pressure Limitation Options: Elevate safety and reliability with our precision-engineered pressure limitation options, meticulously calibrated in bar for ultimate peace of mind. Select 'N' for operations without pressure limiting protection for straightforward tasks. Choose 'C' for simultaneous pressure limitation on actuator ports A & B, ensuring consistent, reliable performance. For a tailored approach, opt for 'A---B---', offering specialized, independent control for ports A and B. Each option is crafted with meticulous care to maintain the highest standards of system integrity, ensuring your operations are secure and efficient.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational prowess with customizable options designed for peak performance. For simple operations, select 'N', which requires no function ON/OFF or pressure outlet. If enhanced control is needed, 'X' with C type pressure limitation is ideal, or 'S/S1' with AB type pressure limitation for superior oversight. For precision control, opt for 'A' for ON/OFF functionality on side A or 'B' for side B. Each option is crafted to ensure maximum precision, efficiency, and operational excellence.
(14) Operation Modes: Discover our diverse operation modes, each designed with precision for unmatched versatility. 'A(1,2)' provides manual operation with long or short handle options to meet ergonomic needs. 'E' offers advanced electric proportional control, while 'EA(1,2)' combines this with manual operation for ultimate adaptability. 'D' delivers electric switching value control, complemented by 'DA(1,2)' for manual enhancements. Choose 'M' for expert manual friction positioning with a long handle. For hydraulic operations, 'H' and 'F' offer unique pilot oil port designs, ensuring comprehensive control over your system.
(15) Ancillary Block Port Sizes: Maximize adaptability and performance with our meticulously crafted port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, ensuring seamless system integration. Each choice is engineered for exceptional adaptability, delivering top performance across systems and operational demands, guaranteeing optimal system operation.
(16) End Plate Options: Explore our expertly designed end plate solutions, each crafted to meet the highest standards of functionality. 'E1' offers external discharge of pilot oil and oil return control port T. 'E2' enhances your system with an additional port Y for increased flexibility. 'E3' features a 2-position, 3-way magnetic ball valve, boosting system pressure to safety valve levels when activated, offering superior functionality and reliability.
E4 mirrors 'E1', featuring cutting-edge internal discharge of pilot oil and sealed port T for optimized efficiency. 'E5' combines 'E2's robustness with internal discharge for superior system performance. 'E6' embodies 'E3's sophisticated design, providing advanced discharge control, ideal for demanding system requirements, ensuring your system leads in efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure and robust voltage options, including the G12-12VDC, designed for reliability and safety in the toughest environments. Our offerings provide specialized solutions and security tailored to any application, ensuring your system's stability and performance remain uncompromised.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 illuminated the hydraulic industry with groundbreaking innovation and unrivaled excellence. As a distinguished subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a national high-tech enterprise, embodying our unwavering dedication to pioneering technological advancements and upholding superior quality standards. Our extraordinary expertise spans comprehensive research, cutting-edge development, precise manufacturing, and strategic marketing of top-tier hydraulic components. Revered nationwide as a 'specialized, refined, and innovative' small giant enterprise, we are committed to continuously elevating our standards of excellence, further cementing our position as industry leaders.
At the core of our pioneering product lineup is our flagship innovation: the Enhanced Safety Atex Valve. This marvel of modern engineering represents state-of-the-art hydraulic system control, meticulously crafted for seamless integration into construction machinery and robust heavy-duty equipment. Its crucial functionality spans vital applications, including emergency rescue missions, complex tunnel engineering, ambitious mining operations, and the operation of essential municipal service vehicles. Our commitment to forming strategic alliances with leading domestic manufacturers expedites localizing core hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing with our attitude, and retaining with quality'-we are devoted to producing exceptional products, offering unmatched services, and providing groundbreaking solutions. With an ambition to be globally recognized as a trusted supplier of premier hydraulic components, we continually strive to set new benchmarks 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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