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 - At the heart of superior engineering, this pump is synonymous with consistency and smooth operations. It transforms your system into a precise engineering marvel, boasting unmatched reliability and empowering your machinery with unparalleled precision and steadiness.;
HLPSV: Variable Displacement Pump - Embodying flexibility and cutting-edge design, this pump adapts seamlessly to a spectrum of operational needs. Its innovative structure supports fluid transitions and optimal control, guaranteeing that your system remains at the forefront of performance and adaptability.;
(2) Connection Block Ports P & R Specifications - Where meticulous precision meets unwavering reliability to form a solid operational base. With an emphasis on detail, these specifications deliver flawless performance and steadfast dependability, creating a resilient foundation for success across all applications.:
2-G3/8; A hallmark of compact efficiency, this design supports seamless operational proficiency in tight spaces. Crafted to optimize performance without compromise, it excels in maximizing operational efficiency with precision.
3-G1/2; Built for strength and dependability, this component acts as a robust support for your system's long-term endurance. Its ability to endure rigorous conditions ensures unwavering durability and high performance.;
4-G3/4; Boasting advanced connectivity, this component ensures superior control and seamless integration. Its sophisticated design enhances system efficiency, elevating overall operational capability with finesse and innovation.;
5, 55-G1; Delivering exceptional flow rates necessary for high-demand situations, this component assures consistent, robust performance. Engineered for excellence, it meets high-pressure challenges with ease and precision.;
6-G1 1/4; Exceptionally designed for challenging environments, this component sets new standards in power and capability, efficiently handling demanding tasks with superior performance and reliability.;
(3) Additional Components and Specifications - Enhance your system's potential with cutting-edge components that redefine operational excellence. These advanced specifications unlock new realms of performance, transforming your operations into an industry standard of success.:
C,Standard Type - A dependable foundation, crafted with precision to meet fundamental operational needs. This component provides unwavering support and extraordinary reliability, empowering your system to reach its maximum potential.;
G,Throttle Valve (For HLPSL only) - Achieve refined control to boost your system's efficiency. This valve fine-tunes operations for peak effectiveness, ensuring harmony among components and optimizing results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve elevates flow management, ensuring remarkable performance and reliability. It breaks through conventional limits, delivering exceptional outcomes consistently.;
(4) Pilot Oil Circuit Pressure Options - Unleash unparalleled power with custom pressure control solutions tailored for diverse applications. Crafted with precision to meet your specific needs, these options provide unmatched accuracy and alignment with your operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Presenting custom-engineered solutions that harmoniously integrate with your unique operational demands. Enjoy customizable configurations that empower you to achieve your desired outcomes effortlessly and with precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your system's efficiency and control to new heights: Expertly crafted to boost your system's performance, offering unmatched control and extraordinary effectiveness that revolutionizes your operational capabilities.C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing it when unpowered. Precision tuning that provides unmatched system efficiency and adaptability.D/F - Presenting a cutting-edge, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This engineering masterpiece is crafted with immaculate precision to uphold a specifically designated pressure value, significantly boosting advanced safety measures and optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Delight in the pinnacle of versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component epitomizes adaptability, seamlessly fulfilling every hydraulic requirement. The /NF configuration delivers systems without a pressure limiting valve, expertly designed for HLPSV, offering unrivaled pressure control for diverse applications with supreme accuracy.
(7) Product Series Classification - The Paramount of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series reflects a masterclass in design, skillfully crafted to address every application, ensuring you acquire a product that seamlessly aligns with your specific requirements, 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 for flawless and seamless integration, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Choose from an exhaustive 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. Discover pre-selectable options, each offering precision and exceptional efficiency, customized to your specific needs.
(10) Valve core function symbols: Explore an expansive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to satisfy specific functional requirements with unmatched precision and reliability.
(11) Output flow code for ports A & B: Discover unparalleled efficiency with our maximum output flow offerings, available in 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, and 210 L/min. Each flow rate is meticulously crafted for exceptional performance and steadfast reliability, ensuring your operations run smoothly and efficiently.
(12) Secondary Pressure Limitation Options: Experience the pinnacle of safety and reliability with our precision-engineered pressure limitation options, expertly calibrated in bar for your assurance. Select 'N' for tasks that do not require pressure limiting protection, streamlining operations. Opt for 'C' when simultaneous pressure limitation on actuator ports A & B is critical, guaranteeing consistent system performance. For customized and independent control, choose 'A---B---', providing specialized management of ports A and B. Each option is thoughtfully crafted to maintain the highest standards of system integrity, ensuring your operations are secure and efficient.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational success with our customizable options aimed at peak performance. For straightforward processes, choose 'N', which eliminates the need for function ON/OFF or pressure outlet requirements. If enhanced control is essential, 'X' paired with C type pressure limitation is ideal, or select 'S/S1' with AB type pressure limitation for superior oversight. For electrical precision, choose 'A' for ON/OFF functionality on side A or 'B' for side B. Each option is carefully designed to provide maximum precision, efficiency, and operational excellence.
(14) Operation Modes: Delve into our expansive selection of operation modes, each crafted for exceptional versatility and precision. 'A(1,2)' offers manual operation with long or short handle options, tailored to meet your ergonomic preferences. 'E' delivers advanced electric proportional control, while 'EA(1,2)' combines this with manual operation for ultimate adaptability and responsiveness. 'D' features electric switching value control, augmented by 'DA(1,2)' for manual enhancements. Opt for 'M' for expert manual friction positioning with a long handle. For entirely hydraulic operations, 'H' and 'F' provide distinctive pilot oil port designs, either aligned or perpendicular, ensuring comprehensive control and mastery over your system.
(15) Ancillary Block Port Sizes: Enhance adaptability and performance with our expertly engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to facilitate seamless system integration. Each selection is crafted for exceptional adaptability, delivering peak performance across diverse 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 uphold the highest standards of functionality and adaptability. 'E1' sets the benchmark with external discharge of pilot oil and oil return control port T. 'E2' extends your capabilities with an additional port Y, offering greater 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 state-of-the-art internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' integrates the robust features of 'E2' with internal discharge for superior system performance. 'E6' embodies the sophisticated design of 'E3', offering advanced discharge control, ideal 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: Choose from our reliable and secure voltage options, including the G12-12VDC, meticulously designed for safety and dependability even under the most challenging conditions. Our offerings deliver 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 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has revolutionized the hydraulic sector with its relentless drive for innovation and unmatched excellence. As an esteemed subsidiary of the illustrious China Baoan Group (stock code: 000009), we stand tall as a national high-tech enterprise, showcasing our firm commitment to pioneering technological advancements and maintaining superior quality. Our exceptional expertise spans comprehensive research, advanced development, precise manufacturing, and strategic marketing of premium hydraulic components. Revered nationwide as a 'specialized, refined, and innovative' small giant enterprise, we steadfastly commit to elevating our standards of excellence, fortifying our leadership in the industry.
At the core of our pioneering product range is our flagship creation: the Enhanced Safety Atex Valve. This masterpiece of modern engineering epitomizes state-of-the-art hydraulic system control, meticulously engineered for seamless integration into construction machinery and robust heavy-duty equipment. Its critical functionality spans pivotal applications, including vital life-saving emergency rescue missions, intricate tunnel engineering, ambitious mining operations, and essential municipal service vehicle operations. Our unwavering commitment to forming strategic partnerships with leading domestic manufacturers accelerates 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 dedicated to producing exceptional products, delivering unparalleled services, and offering groundbreaking solutions. With aspirations to be globally recognized 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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