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 bedrock of superior reliability, this pump assures a steady and smooth operation, transforming your system into an engineering masterpiece. Discover unrivaled trustworthiness and enable your machinery to operate with outstanding precision.;
HLPSV: Variable Displacement Pump - An emblem of versatility and ingenuity, this pump provides extraordinary flexibility to meet a variety of operational needs. Its innovative design allows for seamless transitions and exceptional control, ensuring your system remains at the forefront of performance.;
(2) Connection Block Ports P & R Specifications - Where accuracy meets reliability to create a strong operational framework. Expertly crafted with attention to detail, these specifications ensure flawless performance and enhanced dependability across all applications, laying a solid foundation for success.:
2-G3/8; This configuration exemplifies compact efficiency, supporting streamlined operations with precision. Expertly designed to excel in tight spaces, it promises exceptional performance without compromise.
3-G1/2; Engineered for durability and reliability, this component forms a powerful backbone for your system's resilience. Built to endure demanding conditions, it offers steadfast durability and performance.;
4-G3/4; Featuring advanced connectivity, this component offers unmatched control and integration. Its sophisticated design enhances system efficiency, boosting overall operational capability with finesse.;
5, 55-G1; Providing 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; Delivering extraordinary performance, this component thrives in challenging environments. Engineered to exceed expectations, it sets new standards in strength and capability, handling demanding tasks effortlessly.;
(3) Additional Components and Specifications - Enhance your system's capabilities with state-of-the-art components that redefine operational excellence. These advanced specifications unlock unparalleled levels of performance, transforming your operations into a model of success.:
C,Standard Type - A dependable foundation, meticulously engineered to satisfy essential operational requirements. This component provides unwavering support and unmatched reliability, enabling 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 peak 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 exceptional performance and reliability. Surpassing conventional limits, it delivers outstanding results every time.;
(4) Pilot Oil Circuit Pressure Options - Experience the pinnacle of power control with our bespoke pressure solutions, meticulously crafted to conquer a variety of applications. Designed with the utmost precision to align with your unique operational objectives, these options offer superior accuracy, ensuring your business reaches new heights of excellence.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Step into a new era of operational compatibility with our custom-engineered solutions. These configurations are expertly tailored, allowing you to achieve your desired results with unprecedented ease and precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Transform your system's performance and control: This expertly crafted valve enhances system efficiency, offering superior control and unparalleled effectiveness that takes your operational capabilities to the next level.C - No magnetic ball valve; F - Normally open magnetic ball valve, activating the pump when powered, deactivating it when unpowered; D - Normally closed magnetic ball valve, deactivating the pump when powered, activating it when unpowered. Our precision tuning ensures unmatched system efficiency and adaptability.D/F - Introducing our precision-engineered pressure limiting valve for secondary pressure (F50). This masterpiece is crafted with unrivaled precision to maintain a specific pressure value, enhancing safety measures and optimizing operational security and reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Enjoy the ultimate in versatility and precision with adjustable settings from 63 to 400 bar. This component epitomizes adaptability, seamlessly meeting every hydraulic requirement. The /NF configuration delivers systems without a pressure limiting valve, expertly designed for HLPSV, offering unmatched pressure control with supreme accuracy for diverse applications.
(7) Product Series Classification - The Zenith of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series embodies a masterclass in design, meticulously crafted to meet every application, ensuring you receive a product that perfectly aligns with your specific requirements and delivers consistently outstanding 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 for perfect integration, ensuring peak efficiency and flawless operation.
(9)Directional valve block inflow controller options: Select from a comprehensive 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 is pre-selectable, offering precision and remarkable efficiency, tailored to your specific needs.
(10) Valve core function symbols: Discover an extensive range of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements with unmatched precision and reliability.
(11) Output flow code for ports A & B: Achieve peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for supreme performance and unyielding dependability.
(12) Secondary Pressure Limitation Options: Experience unparalleled safety and reliability with our expertly engineered pressure limitation options, precisely calibrated in bar for your peace of mind. Select 'N' for operations without pressure limiting protection for straightforward tasks. Opt for 'C' when simultaneous pressure limitation on actuator ports A & B is essential, ensuring consistent performance. For tailored and independent control, choose 'A---B---', offering specialized management of ports A and B. Each option is meticulously designed to uphold the highest standards of system integrity, ensuring your operations remain secure and efficient.
(13) Function ON/OFF and Pressure Outlet Options: Amplify your operational excellence with an array of customizable options tailored for peak performance. For straightforward operations, select 'N', which features no function ON/OFF or pressure outlet requirements. If your process demands enhanced control, 'X' paired with C type pressure limitation is ideal, or choose 'S/S1' with AB type pressure limitation for superior oversight. For electrical precision, opt for 'A' for ON/OFF functionality on side A or 'B' for side B. Each option is meticulously crafted to ensure maximum precision, efficiency, and operational excellence.
(14) Operation Modes: Explore our diverse range of operation modes, each meticulously designed for unmatched versatility and precision. 'A(1,2)' offers manual operation with the option of a long or short handle, catering to your specific ergonomic needs. 'E' provides advanced electric proportional control, while 'EA(1,2)' combines this with manual operation for optimal adaptability and responsiveness. 'D' offers electric switching value control, complemented by 'DA(1,2)' for manual enhancements. Choose 'M' for expert manual friction positioning with a long handle. For purely hydraulic operations, 'H' and 'F' provide unique pilot oil port designs, either aligned or perpendicular, ensuring comprehensive control and mastery over your system.
(15) Ancillary Block Port Sizes: Elevate adaptability and performance with our meticulously engineered port size options. Select from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to promise seamless system integration. Each choice is designed for unmatched adaptability, delivering peak performance across varying systems and operational demands, ensuring your system is always at its best.
(16) End Plate Options: Discover our expertly crafted end plate solutions, each designed to meet the highest standards of functionality and adaptability. 'E1' sets the standard with its external discharge of pilot oil and oil return control port T. 'E2' expands your capabilities with an additional port Y, offering enhanced flexibility. 'E3' is engineered for advanced performance with a 2-position, 3-way magnetic ball valve, enhancing 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' encapsulates the sophisticated design of 'E3', offering advanced discharge control, perfect for the most demanding system requirements, ensuring your system is always at the forefront of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Select from our robust and secure voltage options, including the G12-12VDC, expertly designed for safety and reliability even in the most challenging environments. Our offerings provide specialized solutions and security tailored to any application, ensuring your system's stability and performance are never compromised.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 esteemed China Baoan Group (stock code: 000009), we proudly uphold our status as a national high-tech enterprise, showcasing our unwavering commitment to pioneering technological advancements and maintaining superior quality standards. 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 remain steadfast in our commitment to continuously elevate our standards of excellence, further fortifying our position as leaders in the industry.
At the core of our pioneering product lineup is our flagship innovation: the Enhanced Safety Atex Valve. This marvel of contemporary engineering epitomizes state-of-the-art hydraulic system control, meticulously engineered for seamless integration into construction machinery and robust heavy-duty equipment. Its essential functionality extends across critical applications, including life-saving emergency rescue missions, intricate tunnel engineering, ambitious mining operations, and the operation of vital municipal service vehicles. 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, providing unparalleled services, and delivering groundbreaking solutions. With an aspiration to be globally recognized as a trusted supplier of premier hydraulic components, we continuously 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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