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 - An epitome of outstanding engineering, this pump showcases unwavering excellence. It provides a stable and seamless operation, transforming your system into a harmonious masterpiece. Experience this cornerstone of reliability and empower your machinery to achieve unmatched precision and dependability.;
HLPSV: Variable Displacement Pump - A marvel of adaptability and cutting-edge innovation, this pump caters to a wide range of operational needs. Designed with foresight, it offers fluid transitions and supreme control, ensuring your system remains at the forefront of performance and flexibility.;
(2) Connection Block Ports P & R Specifications - The fusion of precision and steadfastness creates a solid operational framework. These meticulously crafted specifications guarantee outstanding performance, offering a dependable foundation for success across varied applications.:
2-G3/8; Exemplifying compact proficiency, this design supports streamlined efficiency with pinpoint precision. Crafted to excel in tight spaces, it promises superior performance without any compromise.
3-G1/2; With engineering focused on strength and reliability, this component serves as a powerful backbone, ensuring your system's longevity and robust performance under challenging conditions.;
4-G3/4; Utilizes advanced connectivity to deliver seamless control and integration. This sophisticated design enhances system efficiency, elevating operational capabilities to new heights.;
5, 55-G1; Designed for exceptional flow rates, this component delivers consistent performance even in high-demand scenarios. It is engineered for excellence, tackling high-pressure challenges with precision and ease.;
6-G1 1/4; Exceptional in demanding environments, this component exceeds expectations, setting new benchmarks in power and capability, effortlessly handling even the most challenging tasks.;
(3) Additional Components and Specifications - Unleash the full potential of your system with advanced components that redefine operational excellence. These cutting-edge specifications unlock unparalleled performance, transforming your operations into a new standard of success.:
C,Standard Type - A sturdy foundation, meticulously designed to satisfy essential operational demands. This component offers unwavering support and unmatched dependability, allowing your system to reach its maximum potential.;
G,Throttle Valve (For HLPSL only) - Attain precision control to enhance system efficiency. This valve fine-tunes components for peak effectiveness, ensuring every part works in harmony for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimize flow management with this valve, delivering remarkable performance and reliability. It exceeds conventional limits, providing exceptional results consistently.;
(4) Pilot Oil Circuit Pressure Options - Experience a revolution in power customization with our bespoke pressure control solutions. Meticulously engineered for a spectrum of applications, these options offer precision and exactitude in syncing with your operational objectives, providing an unparalleled performance edge.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Introducing tailor-made solutions that integrate seamlessly with your operational needs. Benefit from adaptable configurations that enable you to achieve your goals with ease and accuracy.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Transform your system's performance and control: Designed to elevate efficiency and command, this valve offers unparalleled operational transformation, granting extraordinary control and effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve, activating pump pressure when powered and unloading when off; D - Normally closed magnetic ball valve, unloading when powered and pressurizing when off. This feature ensures exceptional system efficiency and flexibility.D/F - Introducing a state-of-the-art, precision-crafted pressure limiting valve for secondary pressure (F50). This engineering marvel maintains a predetermined pressure level, enhancing safety measures and optimizing operational reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in supreme versatility and accuracy with adjustable settings from 63 to 400 bar. This component represents the essence of adaptability, meeting every hydraulic need seamlessly. The /NF configuration provides systems without a pressure limiting valve, designed for HLPSV, offering unmatched pressure control with precision.
(7) Product Series Classification - The Pinnacle of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to superior design, expertly crafted to meet diverse applications, ensuring you receive a product that aligns perfectly with your specifications, consistently delivering exceptional results.
(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, designed for seamless integration and optimal efficiency.
(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, specifically for the N 3/3-way valve; 5, enhanced inflow controller. Select from options that promise precision and unmatched efficiency, tailored to your needs.
(10) Valve core function symbols: Delve into a vast array of core functions: L, M, F, H, J, B, R, O, N, each crafted with precision to meet specific functional requirements with superior reliability.
(11) Output flow code for ports A & B: Unlock the pinnacle of efficiency with our comprehensive range of peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow rate is crafted for supreme performance, ensuring unwavering dependability and optimal execution in your hydraulic systems.
(12) Secondary Pressure Limitation Options: Safeguard your system with precision-engineered pressure limitation options, crafted for unmatched safety and reliability. Choose 'N' for operations without pressure limitations, ideal for straightforward tasks. Select 'C' for synchronized pressure limitation on ports A & B, guaranteeing consistent performance. For specialized control, 'A---B---' offers precise management over each port. Each option upholds the highest standards, maintaining system integrity for secure and efficient operations.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational proficiency with our tailored options for peak performance. For basic operations, 'N' is ideal with no ON/OFF or pressure outlet needs. For nuanced control, 'X' with C type pressure limitation or 'S/S1' with AB type offers superior oversight. For electrical precision, 'A' provides ON/OFF for side A, and 'B' for side B. Each option is designed for maximum precision and excellence, ensuring your system operates at its best.
(14) Operation Modes: Discover our versatile operation modes, each crafted for exceptional adaptability and accuracy. 'A(1,2)' offers manual control with customizable handle lengths for ergonomic comfort. 'E' introduces advanced electric proportional control, while 'EA(1,2)' combines electric and manual for versatility. 'D' provides electric switching value control, with 'DA(1,2)' adding manual enhancements. Opt for 'M' for manual friction positioning with a long handle. For hydraulic operations, 'H' and 'F' offer unique pilot oil port designs, ensuring ultimate control and system mastery.
(15) Ancillary Block Port Sizes: Achieve seamless integration and peak performance with our expertly crafted port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, each option ensuring unmatched adaptability across diverse systems and demands, keeping your system operating at its peak efficiency.
(16) End Plate Options: Explore our meticulously designed end plate solutions, each engineered 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' enhances capabilities with an extra port Y for increased flexibility. 'E3' offers a 2-position, 3-way magnetic ball valve, enhancing system pressure to safety valve levels when activated, ensuring premium functionality and reliability.
E4 mirrors 'E1', featuring advanced internal discharge of pilot oil and a sealed port T for maximum efficiency. 'E5' incorporates the robust features of 'E2' with internal discharge, optimizing system performance. 'E6' embodies the sophisticated design of 'E3', delivering superior discharge control, perfect for demanding system requirements, ensuring top-tier efficiency and elegance.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure and robust voltage options, such as G12-12VDC, engineered for safety and reliability in challenging environments. These solutions provide specialized security and stability for your applications, ensuring consistent performance and uncompromised system integrity.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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