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 cornerstone of unwavering excellence, this pump guarantees a consistent and smooth workflow, transforming your system into a finely-tuned marvel of engineering. Experience unparalleled dependability and empower your machinery to operate with unmatched precision.;
HLPSV: Variable Displacement Pump - A paragon of flexibility and innovation, this pump offers extraordinary adaptability to cater to diverse operational requirements. With its forward-thinking design, it allows for fluid transitions and superior control, ensuring your system is always at the cutting edge of performance.;
(2) Connection Block Ports P & R Specifications - Where precision converges with reliability to forge a robust operational framework. Crafted with meticulous attention to detail, these specifications guarantee impeccable performance and elevated dependability across all applications, providing an unshakeable foundation for success.:
2-G3/8; This design embodies compact proficiency, supporting streamlined operational efficiencies with precision. Meticulously crafted to excel in space-constrained environments, it promises outstanding performance without compromise.
3-G1/2; Engineered 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 advanced connectivity, this component provides unmatched control and integration. Its sophisticated design elevates system efficiency, enhancing overall operational capability with finesse.;
5, 55-G1; Delivering 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; Offering extraordinary performance, this component excels in challenging environments. Engineered to surpass expectations, it sets new benchmarks in power and capability, handling demanding tasks effortlessly.;
(3) Additional Components and Specifications - Elevate your system capabilities with cutting-edge components that redefine operational excellence. These advanced specifications unlock new levels of performance, transforming your operations into a benchmark of success.:
C,Standard Type - A trusted foundation, meticulously crafted to meet essential operational demands. This component offers unwavering support and unmatched reliability, empowering your system to achieve its full potential.;
G,Throttle Valve (For HLPSL only) - Achieve precision control to enhance your system's efficiency. This valve fine-tunes operations for maximum effectiveness, ensuring every component works in harmony for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve optimizes flow management, driving extraordinary performance and reliability. Surpassing conventional limits, it delivers exceptional results every time.;
(4) Pilot Oil Circuit Pressure Options - Experience the unprecedented power of custom pressure control solutions, expertly tailored for diverse applications. These precision-crafted options align seamlessly with your operational objectives, offering unmatched accuracy and fulfilling your specific needs.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Our custom-engineered solutions integrate effortlessly with your unique operational demands. Embrace customizable configurations that empower you to achieve desired outcomes with precision and ease.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your system's efficiency and control. Expertly engineered to enhance performance, this valve offers exceptional control and effectiveness, revolutionizing 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 provides unmatched system efficiency and adaptability.D/F - Introducing a state-of-the-art, precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted to maintain a specific pressure value, significantly enhancing safety measures and optimizing operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Enjoy unparalleled versatility and precision with adjustable settings from 63 to 400 bar levels. This component epitomizes adaptability, perfectly addressing every hydraulic need. The /NF configuration offers systems without a pressure limiting valve, designed for HLPSV, providing supreme pressure control for diverse applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to superior design, crafted to meet every application, ensuring you receive a product that aligns seamlessly with your specific requirements, consistently delivering 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, engineered for flawless integration, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Explore an extensive 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 that offer precision and exceptional efficiency, tailored to your specific needs.
(10) Valve core function symbols: Discover an expansive 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: Unlock the pinnacle of hydraulic performance with our range of superior output flows, tailored for each demanding task. Our offerings span 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted to deliver unwavering efficiency and dependability, ensuring your system operates flawlessly, even under the most rigorous conditions.
(12) Secondary Pressure Limitation Options: Elevate your operational safety with our expertly engineered pressure limitation solutions, fine-tuned to provide precision and reliability. For operations with no pressure limiting, select 'N' for straightforward tasks. Opt for 'C' for dual pressure limitation on actuator ports A & B, ensuring consistent, reliable performance. For those requiring specialized control, 'A---B---' offers bespoke management of ports A and B. Each choice is a testament to our commitment to system integrity, designed to keep your operations secure and running smoothly.
(13) Function ON/OFF and Pressure Outlet Options: Maximize operational efficiency with our tailored switch and pressure outlet options. For basic setups, 'N' provides no additional requirements. For enhanced control, combine 'X' with C type pressure limitation, or choose 'S/S1' with AB type pressure limitation for superior oversight. Electrically driven processes can select 'A' for ON/OFF on side A or 'B' for side B, ensuring precision and operational excellence in every application.
(14) Operation Modes: Discover an array of operation modes, each crafted for versatility and precision. 'A(1,2)' offers manual control with ergonomic handle options. 'E' features electric proportional control, while 'EA(1,2)' mixes manual and electric functions for adaptive use. 'D' introduces electric switching value control, enhanced by 'DA(1,2)' for manual input. 'M' offers expert manual friction positioning. For hydraulic control, 'H' and 'F' provide unique pilot oil port configurations for comprehensive mastery of your system.
(15) Ancillary Block Port Sizes: Boost your system's integration and adaptability with our precision-engineered port sizes. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, each facilitating seamless system performance across diverse operational needs, guaranteeing your system's peak function and adaptability.
(16) End Plate Options: Explore our precision-crafted end plate solutions, designed for supreme functionality and adaptability. 'E1' offers efficient external discharge with control port T, while 'E2' enhances flexibility with an additional port Y. 'E3' is engineered for top-tier performance with a 2-position, 3-way magnetic ball valve, boosting system pressure to safety valve standards, ensuring reliability and superior function.
E4 mirrors 'E1', with state-of-the-art internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' combines 'E2' features with internal discharge, enhancing system performance. 'E6' incorporates 'E3's sophisticated design, providing advanced discharge control for the most demanding requirements, keeping your system at the forefront of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Select from our robust voltage solutions, including the G12-12VDC, engineered for safe and reliable performance in challenging conditions. Our voltage options offer specialized solutions and security for any application, ensuring your system's stability and functionality remain uncompromised.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 an unyielding pursuit of groundbreaking innovation and unmatched excellence. As a distinguished subsidiary of the revered China Baoan Group (stock code: 000009), we proudly stand as a national high-tech enterprise, epitomizing our steadfast dedication to pioneering technological advancements and upholding superior quality standards. Our exceptional prowess encompasses comprehensive research, cutting-edge development, precise manufacturing, and strategic marketing of top-tier hydraulic components. Revered nationwide as a 'specialized, refined, and innovative' small giant enterprise, we are unwavering in our commitment to continuously elevate our standards of excellence, further solidifying our position as leaders in the industry.
At the heart of our pioneering product lineup is our flagship innovation: the Proportional Valve with Enhanced Safety for Mining Machine Sections. This marvel of modern engineering represents the pinnacle of hydraulic system control, precisely crafted to seamlessly integrate into construction machinery and robust heavy-duty equipment. Its essential functionality spans across vital applications, including life-saving emergency rescue missions, intricate tunnel engineering, ambitious mining operations, and the operation of essential 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 devoted to producing exceptional products, providing unrivaled services, and offering groundbreaking solutions. With a vision to be recognized globally as a trusted supplier of premier hydraulic components, we constantly 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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