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 the ultimate in hydraulic precision with our custom pressure control solutions, intricately tailored for a spectrum of applications. Each option is meticulously crafted to align perfectly with your operational blueprint, ensuring exceptional accuracy and alignment with your unique objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar): Presenting custom-engineered solutions that are in perfect harmony with your operational demands. Enjoy the versatility of customizable configurations, empowering you to achieve your targeted outcomes with ease and pinpoint precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading: Elevate your operational prowess with a valve that is expertly crafted to augment your system's performance. Delivering unparalleled control and effectiveness, this innovation transforms your capabilities and enhances your system's efficiency to unprecedented heights.C - No magnetic ball valve; F - Normally open magnetic ball valve, activating pump pressurization upon power and unloading when unpowered; D - Normally closed magnetic ball valve, facilitating pump unloading upon power and pressurization when unpowered. Precision-engineered to offer unmatched system efficiency and adaptability, ensuring a harmonious balance between control and flexibility.D/F - Discover a state-of-the-art, precisely engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with immaculate precision to sustain a specifically designated pressure value, elevating advanced safety measures and optimizing operational security and reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the epitome of versatility and precision with adjustable settings ranging from 63 to 400 bar. This component is the hallmark of adaptability, seamlessly catering to every hydraulic necessity. The /NF configuration delivers systems devoid of a pressure limiting valve, meticulously crafted for HLPSV, ensuring unrivaled pressure control across diverse applications with supreme accuracy.
(7) Product Series Classification - The Pinnacle of Engineering Excellence: Delve into a world of cutting-edge design and unparalleled engineering with our product series.;-2 2 Series; -3 3 Series; -5 5 Series: Each series is a testament to superior design, skillfully crafted to meet every application requirement, ensuring you receive a product that seamlessly aligns with your specific 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 to ensure flawless and seamless integration, optimizing operational efficiency at every turn.
(9)Directional valve block inflow controller options: Explore a comprehensive range of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, designed for the N 3/3-way valve; 5, enhanced inflow controller. Uncover pre-selectable options, each offering precision and superior efficiency, customized to meet your specific requirements.
(10) Valve core function symbols: Delve into a vast array 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: Realize peak efficiency with maximum output flows available: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for supreme performance and steadfast dependability.
(12) Secondary Pressure Limitation Options: Discover a new level of safety and reliability with our precision-engineered pressure limitation options. Expertly calibrated in bar, these options provide unparalleled peace of mind. For simple operations without pressure limiting protection, select 'N' for a straightforward approach. When simultaneous pressure limitation on actuator ports A & B is required, choose 'C' to ensure consistent performance. For those in need of specialized and independent control, 'A---B---' offers tailored management of ports A and B. Each option is crafted with meticulous attention to detail, maintaining system integrity for secure and efficient operations.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational capabilities with our customizable options designed for peak performance. For basic operations, choose 'N', which requires no function ON/OFF or pressure outlet management. If your tasks demand heightened control, 'X' paired with C type pressure limitation meets the need, or opt for 'S/S1' alongside AB type pressure limitation for superior oversight. For electrical precision, select 'A' for ON/OFF functionality on side A or 'B' for side B. Each carefully crafted option ensures maximum precision, efficiency, and operational excellence.
(14) Operation Modes: Delve into our diverse array of operation modes, each crafted for exceptional versatility and precision. 'A(1,2)' delivers manual operation with long or short handle options to match your ergonomic preferences. 'E' offers cutting-edge electric proportional control, while 'EA(1,2)' harmonizes this with manual use for optimal adaptability. 'D' provides electric switching value control, enhanced by 'DA(1,2)' for manual flexibility. For expert manual positioning with a long handle, choose 'M'. For purely hydraulic operations, 'H' and 'F' present innovative pilot oil port designs, either aligned or perpendicular, ensuring comprehensive system control.
(15) Ancillary Block Port Sizes: Achieve superior adaptability and performance with our expertly engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 for seamless system integration. Each option is tailored for unmatched adaptability, delivering top-tier performance across various systems and demands, ensuring your system operates at peak efficiency.
(16) End Plate Options: Explore our expertly crafted end plate solutions, each meeting the highest standards of functionality and adaptability. 'E1' offers external discharge of pilot oil and oil return control port T. 'E2' enhances capabilities with an additional port Y for greater flexibility. 'E3' is engineered for peak performance, featuring a 2-position, 3-way magnetic ball valve that elevates system pressure to safety valve levels when activated, ensuring superior functionality and reliability.
E4 mirrors 'E1', boasting advanced internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' combines the robust features of 'E2' with internal discharge, elevating system performance. 'E6' embraces the sophisticated design of 'E3', offering advanced discharge control, ideal for the most 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 the G12-12VDC, engineered for safety and performance in even the most challenging environments. Our offerings deliver specialized solutions and security tailored to any application, ensuring your system's stability and performance are impeccable.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 in the hydraulic industry, committed to pioneering groundbreaking advancements and achieving unparalleled excellence. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we are proud to be recognized as a national high-tech enterprise. Our mission is to lead technological advancements and consistently uphold superior quality standards. Our remarkable expertise spans across comprehensive research, cutting-edge development, precision manufacturing, and strategic marketing of top-tier hydraulic components. Celebrated nationwide as a 'specialized, refined, and innovative' small giant enterprise, we are dedicated to elevating our excellence, solidifying our leadership in the industry.
At the core of our innovative product lineup is our flagship marvel: the Enhanced Safety Atex Valve. A pinnacle of modern engineering, this valve exemplifies state-of-the-art hydraulic system control, designed for flawless integration into construction machinery and robust heavy-duty equipment. Its critical role encompasses vital applications such as life-saving emergency rescue missions, complex tunnel engineering projects, ambitious mining operations, and essential municipal service vehicle operations. Our unwavering commitment to forming 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 and providing unmatched services. Our ambition is to be globally recognized as a trusted supplier of premier hydraulic components, continually setting 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.
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