Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels epitomize the zenith of hydraulic innovation, harmoniously integrating pressure, flow, and directional control into one superior, unified system. This unique synthesis ensures unparalleled performance and reliability across diverse applications. Crafted from three essential functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves fit seamlessly into high-end hydraulic systems, 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 cornerstone of unwavering excellence, this pump guarantees a consistent and smooth workflow, transforming your system into a finely-tuned marvel of engineering. Experience unparalleled dependability and empower your machinery to operate with unmatched precision.;
HLPSV: Variable Displacement Pump - A paragon of flexibility and innovation, this pump offers extraordinary adaptability to cater to diverse operational requirements. With its forward-thinking design, it allows for fluid transitions and superior control, ensuring your system is always at the cutting edge of performance.;
(2) Connection Block Ports P & R Specifications - Where precision converges with reliability to forge a robust operational framework. Crafted with meticulous attention to detail, these specifications guarantee impeccable performance and elevated dependability across all applications, providing an unshakeable foundation for success.:
2-G3/8; This design embodies compact proficiency, supporting streamlined operational efficiencies with precision. Meticulously crafted to excel in space-constrained environments, it promises outstanding performance without compromise.
3-G1/2; Engineered for strength and reliability, this component forms a formidable backbone for your system's endurance. Built to withstand demanding conditions, it offers unwavering durability and performance.;
4-G3/4; Featuring advanced connectivity, this component provides unmatched control and integration. Its sophisticated design elevates system efficiency, enhancing overall operational capability with finesse.;
5, 55-G1; Delivering exceptional flow rates for high-demand scenarios, this component ensures consistent, robust performance. Designed for excellence, it addresses high-pressure challenges with ease and precision.;
6-G1 1/4; Offering extraordinary performance, this component excels in challenging environments. Engineered to surpass expectations, it sets new benchmarks in power and capability, handling demanding tasks effortlessly.;
(3) Additional Components and Specifications - Elevate your system 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 trusted foundation, meticulously crafted to meet essential operational demands. This component offers unwavering support and unmatched reliability, empowering your system to achieve 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 in harmony 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 unrivaled power with custom pressure control solutions crafted for diverse applications. Precision-engineered to align seamlessly with your operational needs, these options provide extraordinary accuracy and are designed to perfectly meet your goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Introducing custom-engineered solutions that perfectly integrate with your operational demands. Enjoy bespoke configurations that enable you to achieve your desired outcomes with effortless precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhance your system's efficacy and control with expert engineering: Boosting performance with unmatched control, this valve revolutionizes your operational capabilities with extraordinary effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve; powers pump, unloads when unpowered; D - Normally closed magnetic ball valve; unloads pump, powers when unpowered. Delivers precision tuning for system efficiency and adaptability.D/F - Introducing a state-of-the-art, precision-engineered pressure limiting valve for secondary pressure (F50). This engineering masterpiece upholds a designated pressure value, significantly augmenting safety and optimizing operational security and reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience ultimate versatility with adjustable settings from 63 to 400 bar levels. This component epitomizes adaptability, fulfilling every hydraulic need seamlessly. The /NF configuration expertly designed for HLPSV offers unrivaled pressure control for diverse applications with supreme accuracy.
(7) Product Series Classification - The Apex of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to design excellence, skillfully crafted to meet every application, ensuring a product that seamlessly aligns with your specific needs, delivering unparalleled 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, engineered for seamless integration and optimal efficiency.
(9)Directional valve block inflow controller options: Select from a comprehensive range: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for inlet and outlet, designed for the N 3/3-way valve; 5, enhanced inflow controller. Each option offers precision and exceptional efficiency, tailored to your requirements.
(10) Valve core function symbols: Discover a vast array of core functions: L, M, F, H, J, B, R, O, N, each crafted to meet specific functional needs with unmatched precision and reliability.
(11) Output flow code for ports A & B: Attain optimal efficiency with our wide range of maximum output flows available: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each is specifically crafted to deliver exceptional performance and unwavering reliability.
(12) Secondary Pressure Limitation Options: Unlock unrivaled safety and reliability with our expertly crafted pressure limitation features, finely tuned in bar for your assurance. Opt for 'N' for basic operations without pressure limiting safeguards. Select 'C' when you need synchronized pressure limitation on actuator ports A & B for consistent functionality. Choose 'A---B---' for bespoke and independent management of ports A and B. Every option is thoughtfully engineered to maintain peak system integrity, ensuring your operations are both secure and proficient.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational prowess with our diverse range of customizable options designed for superior performance. For simple tasks, choose 'N', devoid of function ON/OFF or pressure outlet needs. Should your operation demand refined control, 'X' with C type pressure limitation fits best, or select 'S/S1' with AB type pressure limitation for enhanced oversight. If electrical precision is key, opt for 'A' for ON/OFF on side A or 'B' for side B. Each option is expertly crafted to guarantee maximum precision, efficiency, and operational superiority.
(14) Operation Modes: Discover our extensive array of operation modes, each precisely crafted for exceptional versatility and precision. 'A(1,2)' provides manual operation with a choice of long or short handle to meet your ergonomic preferences. 'E' delivers sophisticated electric proportional control, while 'EA(1,2)' merges this with manual operation for ultimate adaptability and responsiveness. 'D' offers electric switching value control, enhanced by 'DA(1,2)' for manual adjustments. Opt for 'M' to experience expert manual friction positioning with a long handle. For pure hydraulic operations, 'H' and 'F' feature unique pilot oil port designs, either aligned or perpendicular, granting you full control and expertise over your system.
(15) Ancillary Block Port Sizes: Enhance adaptability and performance with our thoroughly engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure seamless system integration. Every selection promises unmatched adaptability, achieving peak performance across various systems and operational demands, guaranteeing your system consistently excels.
(16) End Plate Options: Uncover our expertly designed end plate solutions, each crafted to satisfy the highest standards of functionality and adaptability. 'E1' sets the benchmark with external pilot oil discharge and oil return control port T. 'E2' enhances your capabilities with an extra port Y, broadening flexibility. 'E3' is engineered for top-tier performance with a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve standards upon activation, ensuring superior functionality and reliability.
E4 mirrors 'E1', showcasing state-of-the-art internal pilot oil discharge and a sealed port T for enhanced efficiency. 'E5' integrates the robust features of 'E2' with internal discharge for superior system performance. 'E6' embodies the refined design of 'E3', offering advanced discharge control, ideal for the most demanding system requirements, ensuring your system remains at the cutting edge of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our strong and secure voltage options, such as the G12-12VDC, crafted with precision for safety and reliability even in the toughest conditions. Our products provide bespoke solutions and protection tailored for any application, ensuring your system's stability and performance are always optimal.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 esteemed China Baoan Group (stock code: 000009), we proudly stand as a national high-tech enterprise, embodying our unwavering commitment to pioneering technological advancements and maintaining superior quality standards. Our extraordinary expertise covers comprehensive research, cutting-edge development, precise manufacturing, and strategic marketing of superior hydraulic components. Celebrated nationwide as a 'specialized, refined, and innovative' small giant enterprise, we are steadfast in our mission to elevate our standards of excellence, reinforcing our leadership position in the industry.
The crown jewel of our innovative product lineup is the Enhanced Safety Atex Valve. This masterpiece of modern engineering exemplifies state-of-the-art hydraulic system control, engineered for flawless integration into construction machinery and robust heavy-duty equipment. It plays a critical role in essential applications such as life-saving emergency rescue missions, intricate tunnel engineering, ambitious mining ventures, and the operation of vital municipal service vehicles. Our unyielding dedication 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 devoted to crafting exceptional products, delivering unparalleled services, and offering innovative solutions. With a vision to be globally recognized as a trusted supplier of premier hydraulic components, we continually 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.