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 foundation of steadfast excellence, this pump ensures a steady and seamless workflow, transforming your system into a masterfully engineered marvel. Experience unmatched reliability and empower your machinery to operate with impeccable precision for unparalleled performance.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and innovation, this pump offers exceptional flexibility to meet diverse operational needs. With its cutting-edge design, it provides smooth transitions and superior control, keeping your system at the forefront of performance excellence.;
(2) Connection Block Ports P & R Specifications - A convergence of precision and reliability that forges a robust operational framework. Crafted with meticulous attention to detail, these specifications promise flawless performance and enhanced dependability across all applications, providing a steadfast foundation for success.:
2-G3/8; This design is the embodiment of compact efficiency, supporting streamlined operational processes with precision. Expertly crafted for excellence in space-limited environments, it delivers outstanding performance without compromise.
3-G1/2; Engineered for strength and steadfast reliability, this component is the backbone of your system's durability. Built to withstand challenging conditions, it consistently offers strong and reliable performance.;
4-G3/4; With advanced connectivity, this component provides unmatched control and integration. Its sophisticated design enhances system efficiency, boosting overall operational capabilities with precision.;
5, 55-G1; Facilitating exceptional flow rates for high-demand situations, this component ensures robust and consistent performance. Designed for excellence, it seamlessly addresses high-pressure challenges with precision and ease.;
6-G1 1/4; Delivering extraordinary performance, this component excels in demanding environments. Engineered to surpass expectations, it sets new standards in power and capability, handling challenging tasks with ease.;
(3) Additional Components and Specifications - Enhance your system's capabilities with state-of-the-art components that redefine operational excellence. These advanced specifications unlock new heights of performance, transforming your operations into a model of success.:
C,Standard Type - A reliable foundation, meticulously designed to meet essential operational needs. This component offers steadfast support and unmatched reliability, empowering your system to reach its full potential.;
G,Throttle Valve (For HLPSL only) - Achieve precise control to optimize your system's efficiency. This valve fine-tunes operations for maximum effectiveness, ensuring every component harmonizes for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve maximizes flow management, delivering extraordinary performance and reliability. Surpassing conventional limits, it consistently delivers exceptional results.;
(4) Pilot Oil Circuit Pressure Options - Unleash unparalleled power with our bespoke pressure control solutions, meticulously crafted for a wide array of applications. Engineered with precision to fulfill your unique demands, these options offer unrivaled accuracy, seamlessly aligning with your operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Experience tailor-made solutions that flawlessly integrate with your distinct operational requirements. Embrace customizable configurations that enable you to effortlessly achieve desired outcomes with impeccable precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Transform your system's efficiency and control: Expertly designed to enhance your system's performance, providing unparalleled control and effectiveness that redefines your operational capabilities.C - No magnetic ball valve; F - Normally open magnetic ball valve, activating pump pressurization when powered and unloading when unpowered; D - Normally closed magnetic ball valve, unloading pump when powered and pressurizing when unpowered. Achieve precision tuning for unmatched system efficiency and adaptability.D/F - Introducing a state-of-the-art, precisely engineered pressure limiting valve for secondary pressure (F50). This engineering marvel, crafted with immaculate precision, upholds a specifically designated pressure value, amplifying advanced safety measures and optimizing operational security and reliability to unprecedented heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in ultimate adaptability and precision with adjustable settings from 63 to 400 bar. This component epitomizes versatility, seamlessly meeting every hydraulic need. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, providing unparalleled pressure control across diverse applications with supreme accuracy.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to superior design, masterfully crafted to meet every application need, ensuring you receive a product that perfectly aligns with your specific requirements, consistently delivering 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 designed for flawless integration, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Select 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, tailored for N 3/3-way valve; 5, enhanced inflow controller. Uncover pre-selectable options, each offering precision and outstanding efficiency, tailored to your specific needs.
(10) Valve core function symbols: Delve into an expansive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to fulfill specific functional requirements with extraordinary precision and reliability.
(11) Output flow code for ports A & B: Unlock maximum efficiency with our cutting-edge output flow options: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow capacity is meticulously engineered for exceptional performance and unwavering reliability throughout your operations.
(12) Secondary Pressure Limitation Options: Discover unmatched safety and reliability with our precision-engineered pressure limitation solutions, calibrated in bar for your confidence. Choose 'N' for tasks without pressure limiting protection, ensuring straightforward simplicity. Opt for 'C' to secure simultaneous pressure limitation on actuator ports A & B, guaranteeing stable performance. For tailored, independent control, 'A---B---' offers specialized management of ports A and B, all crafted to uphold supreme system integrity, keeping your operations secure and efficient.
(13) Function ON/OFF and Pressure Outlet Options: Enhance operational excellence with custom options crafted for peak performance. 'N' provides simplicity with no ON/OFF function or pressure outlet. For advanced control, 'X' with C type pressure limitations, or 'S/S1' with AB type pressure limitations, cater to superior oversight needs. For electrical precision, select 'A' for ON/OFF on side A or 'B' for side B. Each selection ensures optimal precision, efficiency, and operational superiority.
(14) Operation Modes: Discover our versatile operation modes, each offering unmatched precision and adaptability. 'A(1,2)' provides manual control with ergonomic long or short handle options. 'E' offers sophisticated electric proportional control, enhanced by 'EA(1,2)' for combined manual operation adaptability. 'D' features electric switching value control, while 'DA(1,2)' adds manual enhancements. Opt for 'M' for expert manual friction positioning with a long handle. For pure hydraulic performance, 'H' and 'F' offer unique pilot oil port designs, aligned or perpendicular, ensuring comprehensive system mastery.
(15) Ancillary Block Port Sizes: Boost adaptability and performance with our engineered port size selections. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure seamless system integration. Each selection is crafted for supreme adaptability, delivering optimal performance across diverse systems and demands, keeping your system at peak functionality.
(16) End Plate Options: Explore our superior end plate solutions, each crafted for excellence in functionality and adaptability. 'E1' offers external discharge of pilot oil and oil return control port T. 'E2' enhances functionality with an additional port Y for greater flexibility. 'E3' delivers advanced performance with a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, providing top-tier functionality and reliability.
E4 replicates 'E1' with cutting-edge internal discharge of pilot oil and sealed port T for optimized efficiency. 'E5' incorporates 'E2' with internal discharge, ensuring superior system performance. 'E6' embodies 'E3's sophisticated design, offering advanced discharge control, ideal for demanding system requirements, ensuring your system remains at the pinnacle of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our reliable voltage options, including G12-12VDC, designed for maximum safety and reliability in challenging conditions. Our solutions offer specialized security, ensuring system stability and performance remain uncompromised, regardless of the environment.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 its relentless pursuit of groundbreaking innovation and unparalleled excellence. As a distinguished subsidiary of the prestigious China Baoan Group (stock code: 000009), we stand proud as a national high-tech enterprise, embodying our unwavering dedication to pioneering technological advancements and upholding superior quality standards. Our extraordinary expertise encompasses comprehensive research, cutting-edge development, precise manufacturing, and strategic marketing of top-tier hydraulic components. Revered across the nation as a 'specialized, refined, and innovative' small giant enterprise, we are unwavering in our commitment to continuously elevate our standards of excellence, further cementing our position as leaders in the industry.
At the heart 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 extends across vital applications, including life-saving emergency rescue missions, complex tunnel engineering, ambitious mining operations, and the operation of essential municipal service vehicles. Our steadfast commitment to forming strategic alliances with leading domestic manufacturers expedites the localization of core hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are devoted to producing exceptional products, providing unmatched services, and offering groundbreaking solutions. With an ambition 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.