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 masterpiece of engineering brilliance, this pump ensures an unyielding and seamless workflow. Experience the transformation of your system into a marvel of precision and engineering prowess, unwavering in its dependability, and empowering your machinery to operate at peak performance.;
HLPSV: Variable Displacement Pump - A beacon of adaptability and progressive design, this pump offers remarkable flexibility to meet diverse operational needs. Its cutting-edge design facilitates smooth transitions and superior control, positioning your system at the forefront of performance excellence.;
(2) Connection Block Ports P & R Specifications - Merging precision with steadfast reliability, these specifications form a strong operational backbone. With meticulous craftsmanship, they promise flawless performance and elevated reliability, paving the way for unparalleled success in all applications.:
2-G3/8; Designed for compact efficiency, this component supports streamlined operations with precision. Expertly crafted for tight spaces, it delivers exceptional performance without compromise, optimizing operational efficacy.
3-G1/2; Built with strength and reliability at its core, this component is the backbone of your system's endurance. Engineered to withstand tough conditions, it ensures consistent and durable performance.;
4-G3/4; With advanced connectivity, this component guarantees superior control and integration. Its refined design enhances system efficiency, boosting overall operational capability with sophistication.;
5, 55-G1; Designed for high-demand scenarios, this component delivers exceptional flow rates, ensuring robust and consistent performance. It meets high-pressure challenges with precision and excellence.;
6-G1 1/4; Exhibiting extraordinary performance, this component thrives in challenging environments. It sets new standards in power and capability, effortlessly handling demanding tasks with superior engineering.;
(3) Additional Components and Specifications - Augment your system's capabilities with state-of-the-art components that redefine operational excellence. These advanced specifications unlock unprecedented performance levels, transforming your operations into a benchmark of success and innovation.:
C,Standard Type - A meticulously crafted component, serving as a dependable foundation. It meets critical operational demands with unmatched reliability, empowering your system to reach its optimal potential.;
G,Throttle Valve (For HLPSL only) - Achieve precision control to optimize system efficiency. This valve fine-tunes operations for effectiveness, ensuring harmonious function of all components for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve revolutionizes flow management, ensuring extraordinary performance and reliability, consistently delivering exceptional results beyond conventional expectations.;
(4) Pilot Oil Circuit Pressure Options - Discover unparalleled power with custom pressure control solutions designed for diverse applications. Precisely crafted to fulfill your distinct needs, these options offer 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 seamlessly 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 - Boost your system's efficiency and control to new heights: Expertly crafted to enhance your system's performance, offering unrivaled control and extraordinary effectiveness that transform 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 delivers unmatched system efficiency and adaptability.D/F - Introducing a cutting-edge, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with immaculate precision to maintain a specifically designated pressure value, significantly enhancing advanced safety measures and optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience 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 provides systems without a pressure limiting valve, expertly designed for HLPSV, offering unparalleled pressure control for diverse applications with supreme accuracy.
(7) Product Series Classification - The Apex of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series embodies a masterclass in design, skillfully crafted to address every application, ensuring you receive 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 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. 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 fulfill 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 unwavering dependability.
(12) Secondary Pressure Limitation Options: Elevate the safety and reliability of your operations with our meticulously crafted secondary pressure limitation options. Each option is precisely calibrated in bar to provide you with peace of mind. Choose 'N' for straightforward tasks without pressure limiting protection, or opt for 'C' when simultaneous pressure limitation on actuator ports A & B is crucial for maintaining consistent performance. For a bespoke experience that includes independent control, the 'A---B---' option offers specialized management of ports A and B. Each of these options is designed to uphold the highest standards of system integrity, ensuring that your operations remain secure, efficient, and smooth.
(13) Function ON/OFF and Pressure Outlet Options: Maximize your operational efficiency with our customizable options, each tailored for unparalleled performance. 'N' is perfect for straightforward operations, with no function ON/OFF or pressure outlet requirements. Opt for 'X' with C type pressure limitation for enhanced control or choose 'S/S1' with AB type pressure limitation for superior oversight. For precise electrical operations, select 'A' for ON/OFF functionality on side A or 'B' for side B. Every option is crafted with precision to guarantee peak performance, precision, and operational excellence, ensuring your system operates at its highest potential.
(14) Operation Modes: Experience a variety of operation modes, each designed for ultimate versatility and precision. 'A(1,2)' provides manual operation with long or short handle options, tailored to ergonomic needs. 'E' delivers advanced electric proportional control, while 'EA(1,2)' blends this with manual operation for optimal adaptability. 'D' offers electric switching value control, enhanced by 'DA(1,2)' for manual precision. 'M' delivers expert manual friction positioning with a long handle. For strictly hydraulic operations, 'H' and 'F' present unique pilot oil port designs, aligned or perpendicular, ensuring comprehensive system control and mastery.
(15) Ancillary Block Port Sizes: Enhance your system's adaptability and performance with our precisely engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure seamless integration across various systems. Each choice is crafted for exceptional adaptability, offering peak performance and efficiency to meet diverse operational demands, securing your system's optimal performance.
(16) End Plate Options: Explore our end plate solutions, meticulously crafted to meet the highest standards of functionality and adaptability. 'E1' sets a benchmark with external discharge of pilot oil and oil return control port T. 'E2' enhances capabilities with an additional port Y for increased flexibility. 'E3' is engineered for superior performance with a 2-position, 3-way magnetic ball valve that boosts system pressure to safety valve levels upon activation, ensuring reliability and advanced functionality.
E4 mirrors 'E1', featuring advanced internal discharge of pilot oil and sealed port T for optimized efficiency. 'E5' incorporates robust features of 'E2' with internal discharge for exceptional performance. 'E6' embodies the sophisticated design of 'E3', providing advanced discharge control for demanding requirements, keeping your system at the forefront of efficiency and innovation.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure and robust voltage options like the G12-12VDC, crafted for reliability and safety even in challenging conditions. Our solutions are tailored to offer specialized security and stability for any application, ensuring that your system's performance and integrity are consistently maintained.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its establishment in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation in the hydraulic sector, relentlessly advancing the industry with a dedication to groundbreaking innovations and unrivaled excellence. As a proud subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly uphold our status as a national high-tech enterprise, symbolizing our steadfast commitment to pioneering technological advancements and maintaining the highest quality standards. Our unparalleled expertise spans comprehensive research, state-of-the-art development, precise manufacturing, and strategic marketing of superior hydraulic components. Recognized nationwide as a 'specialized, refined, and innovative' small giant enterprise, we remain steadfastly committed to elevating our standards of excellence, further solidifying our leadership in the industry.
At the forefront of our pioneering product collection is our flagship creation: the Enhanced Safety Atex Valve. This masterpiece of modern engineering epitomizes advanced hydraulic system control, expertly designed for flawless integration into construction machinery and durable heavy-duty equipment. Its essential functionality spans critical applications, including life-saving emergency rescue operations, intricate tunnel engineering, ambitious mining endeavors, and the management 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. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are dedicated to crafting exceptional products, delivering unparalleled services, and providing innovative solutions. With the ambition to be globally recognized as a trusted supplier of premier hydraulic components, we continually aspire 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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