Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels epitomize the pinnacle of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into one superior, unified system. This unique synthesis ensures unparalleled performance and reliability across diverse applications. Crafted meticulously from three essential functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves fit seamlessly into high-end hydraulic systems, making them crucial for elite engineering machinery. They expertly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision and control. Key highlights include a compact design, superior energy efficiency, and the capability for stepless speed control. Furthermore, they facilitate the simultaneous operation of multiple actuators under varying loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are meticulously engineered for constant displacement pump systems, ensuring steadfast and dependable operation in any environment. Conversely, the HLPSV valves are ingeniously tailored for variable pump systems. Although HLPSV valves might exhibit a marginally slower response, they excel in remarkable energy-saving performance, making them the quintessential choice where efficiency reigns supreme. With their cutting-edge engineering and energy-savvy design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering an impeccable mix 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 pinnacle of unwavering consistency, this pump ensures a smooth, continuous workflow, elevating your system to a masterpiece of mechanical prowess. Revel in unsurpassed reliability, and empower your machinery to perform with precision and unerring accuracy.;
HLPSV: Variable Displacement Pump - The epitome of versatility and ingenious design, this pump adapts effortlessly to a wide array of operational needs. Its innovative structure facilitates fluid transitions and superior command, keeping your system at the forefront of technological advancement.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability to build a stalwart operational framework. Designed with painstaking attention to detail, these specifications deliver flawless performance and heightened dependability across all applications, laying a rock-solid foundation for success.:
2-G3/8; This design exemplifies compact efficiency, promoting streamlined operations with precision. Expertly crafted to excel in tight spaces, it promises exceptional performance without compromise.
3-G1/2; Engineered for robustness and reliability, this component forms a sturdy backbone for your system's resilience. Designed to endure challenging conditions, it provides unwavering durability and performance.;
4-G3/4; Featuring advanced connectivity, this component offers unparalleled control and integration. Its sophisticated architecture enhances system efficiency, boosting overall operational capability with finesse.;
5, 55-G1; Delivering exceptional flow rates for high-demand situations, this component ensures consistent, robust performance. Designed for excellence, it meets high-pressure challenges with ease and precision.;
6-G1 1/4; Offering extraordinary performance, this component excels in demanding environments. Built 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 cutting-edge components that redefine operational excellence. These advanced specifications unlock new levels of performance, transforming your operations into a benchmark of success.:
C,Standard Type - A reliable foundation, meticulously crafted to satisfy essential operational demands. This component provides unwavering support and unmatched reliability, empowering your system to reach its full potential.;
G,Throttle Valve (For HLPSL only) - Achieve precision control to enhance your system's efficiency. This valve fine-tunes operations for maximum effectiveness, ensuring every component works harmoniously for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve optimizes flow management, driving extraordinary performance and reliability. Surpassing conventional limits, it delivers exceptional results every time.;
(4) Pilot Oil Circuit Pressure Options - Experience a revolution in power dynamics with our bespoke pressure control solutions. Designed for diverse applications, these options promise extraordinary precision, aligning perfectly with your distinct operational goals. Elevate your system's performance with custom configurations crafted to meet your needs with unparalleled accuracy.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering custom-engineered solutions that seamlessly integrate with your operational demands, ensuring your system operates with unprecedented precision and ease, empowering you to achieve desired outcomes effortlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Transform your system's potential and control prowess: Expertly designed to enhance performance while providing unmatched control and extraordinary effectiveness, thereby revolutionizing your operations and efficiency.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. Experience the precision tuning that ensures unmatched system efficiency and adaptability.D/F - Experience unmatched precision with our state-of-the-art pressure limiting valve for secondary pressure (F50). An engineering marvel, crafted to uphold designated pressure values, amplifying safety and optimizing operational reliability like never before.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Bask in unparalleled versatility with adjustable settings from 63 to 400 bar levels. This epitome of adaptability fulfills every hydraulic need with accuracy. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, ensuring supreme pressure control across varied applications.
(7) Product Series Classification - A Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series embodies a masterclass in design, crafted to meet every application demand, ensuring you receive a product that aligns seamlessly with your requirements, delivering unmatched performance consistently.
(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 system efficiency.
(9)Directional valve block inflow controller options: Indulge in an array 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. Each option offers precision and remarkable efficiency, designed to meet your specific demands.
(10) Valve core function symbols: Journey through a rich collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements with exceptional precision and reliability.
(11) Output flow code for ports A & B: Unlock the pinnacle of efficiency with our meticulously calibrated maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each tailored for exceptional performance and steadfast reliability.
(12) Secondary Pressure Limitation Options: Embrace exceptional safety and reliability through our precision-engineered pressure limitation choices, finely tuned in bar to ensure your operations run smoothly. Choose 'N' for operations without pressure limiting protection, ideal for straightforward tasks. Opt for 'C' when simultaneous pressure control on actuator ports A & B is imperative, guaranteeing consistent results. For customized and independent regulation, select 'A---B---', providing specialized control over ports A and B. Each option is crafted to uphold superior system integrity, ensuring your operations remain secure and effective.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational capabilities with a suite of customizable options designed for peak efficiency. For straightforward tasks, 'N' presents the simplest choice with no function ON/OFF or pressure outlet needs. For processes that demand refined control, 'X' combined with C type pressure limitation is the perfect fit, or select 'S/S1' with AB type pressure limitation for comprehensive management. For precise electrical control, 'A' provides ON/OFF functionality on side A, while 'B' caters to side B. Each choice is expertly designed to deliver exceptional precision, efficiency, and operational excellence.
(14) Operation Modes: Discover our extensive variety of operation modes, each crafted for outstanding versatility and accuracy. 'A(1,2)' offers manual control with options for a long or short handle, tailored to your ergonomic preferences. 'E' introduces advanced electric proportional control, while 'EA(1,2)' blends this with manual operation for maximum adaptability. 'D' delivers electric switching value control, complemented by 'DA(1,2)' for manual enhancements. Opt for 'M' to utilize expert manual friction positioning with a long handle. For exclusive hydraulic operation, 'H' and 'F' feature distinctive pilot oil port configurations, either aligned or perpendicular, providing comprehensive control over your system.
(15) Ancillary Block Port Sizes: Enhance your system's adaptability and performance with our array of precisely engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure flawless integration. Each option is crafted for superior adaptability, ensuring peak performance across diverse systems and operational requirements, always keeping your system at its optimal performance level.
(16) End Plate Options: Uncover our expertly crafted end plate solutions, each designed to meet the pinnacle of functionality and flexibility. 'E1' sets a benchmark with external pilot oil discharge and oil return control port T. 'E2' extends your capabilities with an additional port Y for enhanced versatility. 'E3' is engineered for peak performance with a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve standards upon activation, ensuring unparalleled functionality and reliability.
E4 mirrors 'E1', featuring state-of-the-art internal pilot oil discharge and a sealed port T for optimized efficiency. 'E5' integrates the robust features of 'E2' with internal discharge, delivering superior system performance. 'E6' encapsulates the sophisticated design of 'E3', offering advanced discharge control to meet the most demanding system requirements, ensuring your system remains at the forefront of efficiency and innovation.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our sturdy and reliable voltage options, including the G12-12VDC, perfect for safety and reliability in the harshest conditions. Our selection provides customized solutions and security for every application, ensuring your system maintains stability and top-tier performance.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 emerged as a beacon of innovation and excellence within the hydraulic industry. A distinguished subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly hold the status of a national high-tech enterprise. Our commitment to pioneering technological advancements and maintaining superior quality standards is unwavering. Our exceptional expertise spans comprehensive research, cutting-edge development, precise manufacturing, and strategic marketing of top-tier hydraulic components. Celebrated nationwide as a 'specialized, refined, and innovative' small giant enterprise, we are dedicated to continuously raising our standards of excellence, solidifying our leadership position within the industry.
At the core of our pioneering product range lies our flagship innovation: the Enhanced Safety Atex Valve. This modern engineering marvel epitomizes state-of-the-art hydraulic system control, expertly designed for seamless integration into construction machinery and robust heavy-duty equipment. Its vital functionality supports crucial applications, including life-saving emergency rescue missions, intricate tunnel engineering, ambitious mining operations, and the operation of essential municipal service vehicles. Our steadfast commitment to forging strategic alliances with leading domestic manufacturers accelerates the localization of core hydraulic components for high-end mechanical equipment. Guided by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are dedicated to producing exceptional products, providing unmatched services, and offering groundbreaking solutions. Aspiring to be recognized globally 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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