Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These extraordinary engineering marvels represent the pinnacle of hydraulic innovation, harmoniously combining pressure, flow, and directional control into one exceptional, cohesive system. This innovative integration guarantees unmatched performance and reliability across a wide range of applications. Crafted from three vital functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves seamlessly integrate into high-end hydraulic systems, indispensable for elite engineering machinery. They expertly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing exceptional precision and control. Key highlights include a sleek, compact design, superior energy efficiency, and the capability for stepless speed control. Additionally, 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. On the other hand, the HLPSV valves are ingeniously tailored for variable pump systems. While HLPSV valves might exhibit a slightly slower response, they excel in remarkable energy-saving performance, making them the ideal choice where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves distinguish themselves as the premier solution for advanced hydraulic control requirements, offering an impeccable combination 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) Indispensable Connection Block Codes
HLPSL: Constant Displacement Pump - The bedrock of steadfast excellence, this pump pledges a seamless and stable workflow, elevating your system into an engineering masterpiece. Experience unmatched reliability and empower your machinery to function with impeccable precision.;
HLPSV: Variable Displacement Pump - A beacon of versatility and modern innovation, this pump extends remarkable adaptability to meet diverse operational needs. With its progressive design, it ensures fluid transitions and superior control, keeping your system at the forefront of performance.;
(2) Connection Block Ports P & R Specifications - Merging precision with reliability to create a robust operational framework. Painstakingly crafted, these specifications assure impeccable performance and elevated dependability across all applications, laying an unshakable foundation for success.:
2-G3/8; This design epitomizes compact efficiency, bolstering streamlined operational efficiency with precision. Meticulously designed to thrive in space-limited environments, it promises exceptional performance without compromise.
3-G1/2; Crafted 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 cutting-edge connectivity, this component delivers unrivaled control and integration. Its sophisticated design enhances system efficiency, elevating overall operational capability with finesse.;
5, 55-G1; Delivering extraordinary 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 outstanding performance, this component excels in challenging environments. Engineered to outperform expectations, it sets new standards in power and capability, handling demanding tasks effortlessly.;
(3) Additional Components and Specifications - Elevate your system's capabilities with precision-engineered components that redefine operational excellence. These advanced specifications unlock new levels of performance, transforming your operations into a pinnacle of success.:
C,Standard Type - A reliable foundation, meticulously crafted to meet essential operational demands. This component provides unwavering support and unmatched reliability, empowering your system to achieve its full potential.;
G,Throttle Valve (For HLPSL only) - Attain precision control to boost your system's efficiency. This valve optimizes operations for maximum effectiveness, ensuring every component harmonizes for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve maximizes flow management, driving exceptional performance and dependability. Surpassing conventional limits, it delivers remarkable outcomes every time.;
(4) Pilot Oil Circuit Pressure Options - Experience the apex of performance with our custom pressure control solutions, engineered for a spectrum of applications. Designed with pinpoint accuracy to match your unique requirements, these options ensure unparalleled precision and alignment with your operational objectives, unlocking new levels of power.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Discover bespoke solutions that seamlessly integrate with your operational needs. Our customizable configurations empower you to achieve your objectives with effortless precision and efficiency.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhance your system's efficiency and control with our expertly crafted solution. Achieve unmatched control and unparalleled effectiveness, elevating your operational capabilities to new heights through revolutionary performance.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. Our precision-tuned solutions offer unmatched system efficiency and adaptability, ensuring the perfect fit for your operational needs.D/F - Introducing a state-of-the-art, precision-engineered pressure limiting valve for secondary pressure (F50). This marvel of engineering is crafted with ultimate precision to maintain a designated pressure value, significantly enhancing safety measures and optimizing operational security and reliability to exceptional levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the epitome of versatility with adjustable settings from 63 to 400 bar levels. This component exemplifies adaptability, seamlessly meeting every hydraulic demand. The /NF configuration achieves unparalleled pressure control for diverse applications, specifically designed for HLPSV with supreme accuracy.
(7) Product Series Classification - The Pinnacle of Engineering Prowess:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to masterful design, crafted to meet every application need. Ensure you receive a product that aligns seamlessly with your requirements, consistently delivering exceptional performance and reliability.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring supplemental blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously designed for seamless integration and flawless performance, ensuring optimal efficiency in all operations.
(9)Directional valve block inflow controller options: Select 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. Each option is pre-selected to offer exceptional precision and efficiency, perfectly tailored to your needs.
(10) Valve core function symbols: Immerse yourself in an extensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional requirements with unrivaled precision and dependability.
(11) Output flow code for ports A & B: Unleash exceptional operational potential with our supreme output flow options. Select from maximum flows of 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, and 210 L/min, each meticulously engineered to deliver peak efficiency and unwavering dependability for your hydraulic system.
(12) Secondary Pressure Limitation Options: Enjoy enhanced safety and operational reliability with our precision-engineered pressure limitation choices, calibrated in bar for your ultimate peace of mind. Opt for 'N' for basic operations without pressure limiting protection. Choose 'C' for simultaneous pressure limitation on actuator ports A & B, ensuring uniform performance. For specialized control, select 'A---B---' for independent management of ports A and B. Each option is crafted to uphold the highest system integrity standards, ensuring secure and efficient operations.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your system's capabilities with customizable options engineered for peak performance. For standard operations, select 'N', which requires no function ON/OFF or pressure outlet. If enhanced control is needed, 'X' with C type pressure limitation is preferred, or 'S/S1' with AB type limitation for superior regulation. For precise electrical control, choose 'A' for ON/OFF on side A or 'B' for side B. Each option guarantees maximum precision, efficiency, and operational excellence.
(14) Operation Modes: Discover our versatile operation modes crafted for ultimate precision. 'A(1,2)' offers manual control with long or short handles, catering to ergonomic preferences. 'E' provides advanced electric proportional control, while 'EA(1,2)' combines it with manual operation for optimal flexibility. 'D' offers electric switching value control, boosted by 'DA(1,2)' for manual enhancements. Select 'M' for manual friction positioning with a long handle. For purely hydraulic control, 'H' and 'F' offer unique pilot oil port designs, ensuring mastery over your system.
(15) Ancillary Block Port Sizes: Enhance system compatibility and performance with our expertly designed port size selections. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 for seamless integration and unmatched adaptability. Each selection promises peak performance across diverse systems and operational needs.
(16) End Plate Options: Explore our finely crafted end plate solutions, each engineered for top-tier functionality and adaptability. 'E1' features external discharge of pilot oil and an oil return control port T. 'E2' extends capabilities with an added port Y for increased flexibility. 'E3' is designed for cutting-edge performance with a 2-position, 3-way magnetic ball valve, boosting system pressure to safety valve levels, ensuring superior reliability and functionality.
E4 mirrors 'E1', boasting sophisticated internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' merges the robust features of 'E2' with internal discharge for superior system performance. 'E6' encapsulates 'E3's advanced design, offering exceptional discharge control, ideal for demanding system requirements, ensuring forefront efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our reliable voltage selections, including the G12-12VDC, designed for the utmost safety and durability even in challenging environments. These options provide specialized solutions and security tailored to any application, safeguarding your system's stability and performance.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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