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 - A true cornerstone of unwavering excellence, this pump guarantees a consistently smooth workflow, transforming your system into a finely-tuned marvel of engineering. Experience unmatched dependability and empower your machinery to operate with unrivaled 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 fluid transitions and superior control, ensuring your system remains at the forefront of performance.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability to forge a robust operational framework. Crafted with meticulous attention to detail, these specifications guarantee impeccable performance and heightened dependability across all applications, providing an unshakeable foundation for success.:
2-G3/8; This design embodies compact proficiency, supporting streamlined efficiencies with precision. Meticulously crafted for 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 enhances system efficiency, elevating 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 precision and ease.;
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 reach its full potential.;
G,Throttle Valve (For HLPSL only) - Achieve precision control to heighten 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 each and every time.;
(4) Pilot Oil Circuit Pressure Options - Experience the ultimate in power management with our bespoke pressure control solutions, precisely tailored for a wide array of applications. Designed to perfection for your unique requirements, these options deliver unrivaled accuracy, aligning seamlessly with your operational ambitions.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Introducing tailor-made solutions that seamlessly integrate with your specific operational needs. Benefit from adaptable configurations that empower you to achieve desired results effortlessly and with precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhance your system's productivity and control like never before: Masterfully designed to elevate performance, delivering exceptional control and extraordinary effectiveness that transforms your operational potential.C - No magnetic ball valve; F - Normally open magnetic ball valve, activating the pump when powered, releasing it when unpowered; D - Normally closed magnetic ball valve, releasing the pump when powered, activating it when unpowered. Precision tuning that ensures unparalleled system efficiency and adaptability.D/F - Discover a groundbreaking, precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with impeccable precision to maintain a specifically set pressure value, significantly enhancing advanced safety measures and optimizing operational security and reliability to extraordinary levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in the ultimate in adaptability and precision with adjustable settings ranging from 63 to 400 bar. This component epitomizes versatility, effortlessly meeting every hydraulic need. The /NF configuration offers systems without a pressure limiting valve, expertly designed for HLPSV, providing unparalleled pressure management for diverse applications with supreme accuracy.
(7) Product Series Classification - The Pinnacle of Engineering Brilliance:;-2 2 Series; -3 3 Series; -5 5 Series; Each series embodies a masterclass in design, meticulously crafted to meet every application need, ensuring you acquire 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 and seamless integration, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Choose 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. Explore pre-selectable options, each offering precision and outstanding efficiency, customized 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 engineered to fulfill specific functional requirements with unmatched precision and reliability.
(11) Output flow code for ports A & B: Unlock the pinnacle of efficiency with our meticulously designed output flows, offering maximum outputs of 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, and 210 L/min. Each flow rate is engineered for superior performance and unwavering reliability, providing you with the ultimate in operational excellence.
(12) Secondary Pressure Limitation Options: Discover unprecedented safety and reliability through our expertly engineered pressure limitation options, precisely calibrated in bar for your assurance. Choose 'N' for fundamental operations sans pressure limiting protection, suitable for simpler tasks. For synchronized pressure limitation on actuator ports A & B, opt for 'C', ensuring consistent performance. If you require tailored, independent control, select 'A---B---', for specialized management of ports A and B. Each option is meticulously crafted to maintain the highest standards of system integrity, ensuring your operations are secure and efficient.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational prowess with our range of customizable options crafted for peak performance. Choose 'N' for basic operations without function ON/OFF or pressure outlet requisites. For heightened control, 'X' with C type pressure limitation is optimal, or select 'S/S1' with AB type pressure limitation for superior oversight. For electrical precision, opt for 'A' to enable ON/OFF functionality on side A, or 'B' for side B. Each option is meticulously designed to ensure maximum precision, efficiency, and operational excellence.
(14) Operation Modes: Delve into our extensive selection of operation modes, each crafted for exceptional versatility and precision. 'A(1,2)' allows manual operation with long or short handle options, tailored to your ergonomic preferences. 'E' offers sophisticated electric proportional control, while 'EA(1,2)' merges this with manual operation for optimal adaptability. 'D' features electric switching value control, enhanced by 'DA(1,2)' for manual enhancements. 'M' provides expert manual friction positioning with a long handle. For purely hydraulic operations, 'H' and 'F' deliver unique pilot oil port designs, either aligned or perpendicular, ensuring complete control and system mastery.
(15) Ancillary Block Port Sizes: Elevate adaptability and performance with our finely engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure seamless system integration. Each option is crafted for unmatched adaptability, delivering peak performance across varying systems and operational demands, ensuring your system consistently operates at its best.
(16) End Plate Options: Explore our expertly crafted end plate solutions, each designed to meet the highest standards of functionality and adaptability. 'E1' establishes the benchmark with its external discharge of pilot oil and oil return control port T. 'E2' enhances your capabilities with an additional port Y, providing increased flexibility. 'E3' is designed for advanced performance with a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, ensuring superior functionality and reliability.
E4 mirrors 'E1', featuring cutting-edge internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' incorporates the robust features of 'E2' with internal discharge for superior system performance. 'E6' embodies the sophisticated design of 'E3', offering advanced discharge control, perfectly suited for the most demanding system requirements, ensuring your system is always leading in efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Select from our robust and secure voltage options, including the G12-12VDC, meticulously designed for safety and reliability even in the most challenging environments. Our solutions provide specialized 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 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.
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