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 linchpin of remarkable reliability, this pump ensures a seamless and steady workflow, elevating your system to a masterpiece of engineering precision. Revel in unmatched dependability and empower your machinery to function with supreme accuracy.;
HLPSV: Variable Displacement Pump - Epitomizing flexibility and brilliance, this pump provides incredible adaptability for 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 - Where precision meets reliability to create a robust operational framework. Designed with meticulous detail, these specifications ensure exceptional performance and reliability in every application, laying a strong foundation for success.:
2-G3/8; This design embodies compact excellence, supporting streamlined operational efficiencies with precision. Expertly crafted to excel in space-restricted environments, it promises outstanding performance without compromise.
3-G1/2; Engineered for robustness and reliability, this component is a formidable backbone for your system's durability. Built to endure demanding conditions, it offers unwavering performance and longevity.;
4-G3/4; Featuring advanced connectivity, this component provides unrivaled control and integration. Its sophisticated design enhances system efficiency, boosting overall operational capability with finesse.;
5, 55-G1; Delivering exceptional flow rates for high-demand scenarios, this component ensures robust and consistent performance. Expertly crafted for excellence, it tackles high-pressure challenges with ease and precision.;
6-G1 1/4; Offering extraordinary performance, this component thrives in challenging environments. Engineered to surpass expectations, it sets new benchmarks in power and functionality, handling demanding tasks effortlessly.;
(3) Additional Components and Specifications - Elevate your system capabilities with advanced components that redefine operational excellence. These cutting-edge specifications unlock new performance levels, transforming your operations into a standard of success.:
C,Standard Type - A reliable foundation, meticulously engineered to meet essential operational demands. This component provides unwavering support and unmatched reliability, empowering your system to reach its highest potential.;
G,Throttle Valve (For HLPSL only) - Achieve precise control to enhance your system's efficiency. This valve fine-tunes operations for peak effectiveness, ensuring every component works in harmony for the best results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve optimizes flow management, driving exceptional performance and reliability. Surpassing traditional limits, it consistently delivers outstanding results.;
(4) Pilot Oil Circuit Pressure Options - Unleash unparalleled power with our bespoke pressure control solutions, artfully crafted for a spectrum of applications. Designed with precision to fulfill your unique demands, these options ensure supreme accuracy and alignment with your operational goals, delivering excellence in every function.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Presenting our ingeniously custom-engineered solutions, seamlessly integrated to meet your specific operational needs. Enjoy customizable configurations that empower you to effortlessly achieve desired outcomes with unmatched precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your system's efficiency and control: Expertly designed to enhance performance, this component offers unrivaled control and extraordinary efficacy, revolutionizing your operational capabilities with precision and innovation.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. Achieve precise tuning that delivers unparalleled system efficiency and adaptability.D/F - Experience a groundbreaking, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel, crafted with utmost precision, upholds a specifically designated pressure value, significantly enhancing safety measures and optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the zenith of versatility and precision with settings adjustable from 63 to 400 bar levels. This component epitomizes adaptability, flawlessly fulfilling every hydraulic requirement. The /NF configuration offers systems without a pressure limiting valve, expertly designed for HLPSV, providing unmatched pressure control for various applications with supreme accuracy.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each meticulously crafted series stands as a masterclass in design-engineered to address every application and ensuring seamless alignment 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, meticulously engineered for perfect and seamless integration, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Select from our 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. Discover pre-selectable options, each providing precision and exceptional efficiency, crafted to your bespoke needs.
(10) Valve core function symbols: Discover a vast array of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill specific functional requirements with unparalleled 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 unyielding dependability.
(12) Secondary Pressure Limitation Options: Experience unparalleled safety and reliability with our expertly engineered pressure limitation options, precisely calibrated in bar for your peace of mind. Select 'N' for operations without pressure limiting protection for straightforward tasks. Opt for 'C' when simultaneous pressure limitation on actuator ports A & B is essential, ensuring consistent performance. For tailored and independent control, choose 'A---B---', offering specialized management of ports A and B. Each option is meticulously designed to uphold the highest standards of system integrity, ensuring your operations remain secure and efficient.
(13) Function ON/OFF and Pressure Outlet Options: Amplify your operational excellence with an array of customizable options tailored for peak performance. For straightforward operations, select 'N', which features no function ON/OFF or pressure outlet requirements. If your process demands enhanced control, 'X' paired with C type pressure limitation is ideal, or choose 'S/S1' with AB type pressure limitation for superior oversight. For electrical precision, opt for 'A' for ON/OFF functionality on side A or 'B' for side B. Each option is meticulously crafted to ensure maximum precision, efficiency, and operational excellence.
(14) Operation Modes: Explore our diverse range of operation modes, each meticulously designed for unmatched versatility and precision. 'A(1,2)' offers manual operation with the option of a long or short handle, catering to your specific ergonomic needs. 'E' provides advanced electric proportional control, while 'EA(1,2)' combines this with manual operation for optimal adaptability and responsiveness. 'D' offers electric switching value control, complemented by 'DA(1,2)' for manual enhancements. Choose 'M' for expert manual friction positioning with a long handle. For purely hydraulic operations, 'H' and 'F' provide unique pilot oil port designs, either aligned or perpendicular, ensuring comprehensive control and mastery over your system.
(15) Ancillary Block Port Sizes: Elevate adaptability and performance with our meticulously engineered port size options. Select from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to promise seamless system integration. Each choice is designed for unmatched adaptability, delivering peak performance across varying systems and operational demands, ensuring your system is always at its best.
(16) End Plate Options: Discover our expertly crafted end plate solutions, each designed to meet the highest standards of functionality and adaptability. 'E1' sets the standard with its external discharge of pilot oil and oil return control port T. 'E2' expands your capabilities with an additional port Y, offering enhanced 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 cutting-edge internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' incorporates the robust features of 'E2' with internal discharge for superior system performance. 'E6' encapsulates the sophisticated design of 'E3', offering advanced discharge control, perfect 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: Select from our robust and secure voltage options, including the G12-12VDC, expertly designed for safety and reliability even in the most challenging environments. Our offerings provide 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 its inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and excellence in the hydraulic industry. As a proud subsidiary of the renowned China Baoan Group (stock code: 000009), we stand as a national high-tech enterprise committed to the cutting-edge of technology and superior quality. Our prowess encompasses comprehensive research, advanced development, precise manufacturing, and strategic marketing of premium hydraulic components. Celebrated as a 'specialized, refined, and innovative' small giant enterprise, we are steadfast in our pursuit to continuously elevate our standards, solidifying our leadership position in the industry.
At the core of our pioneering product lineup is our flagship innovation: the Enhanced Safety Atex Valve. This modern engineering marvel epitomizes state-of-the-art hydraulic system control, meticulously designed for seamless integration with construction machinery and heavy-duty equipment. Its critical applications span life-saving emergency rescues, complex tunnel engineering, ambitious mining operations, and essential municipal service vehicles. Our commitment to strategic partnerships with leading domestic manufacturers accelerates the localization of core hydraulic components for high-end machinery. Guided by our philosophy-'serving with technology, impressing with attitude, and retaining with quality'-we are dedicated to producing exceptional products, providing unmatched services, and offering innovative solutions. Aiming for global recognition as a trusted supplier of premier hydraulic components, we strive to set new standards of distinction on the international platform.
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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