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 extraordinary combination ensures unparalleled performance and reliability across a vast array of applications. Crafted from three essential functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves fit seamlessly into high-performance 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 - This pump is the pinnacle of unwavering performance, ensuring a seamless workflow that transforms your system into a marvel of precise engineering. Enjoy unmatched reliability and elevate your machinery to new heights of precision.;
HLPSV: Variable Displacement Pump - Embodying the zenith of flexibility and innovation, this pump meets diverse operational needs with exceptional adaptability. Its advanced design ensures fluid transitions and superior control, keeping your system at the forefront of performance.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability unite to create a robust operational structure. Designed with meticulous detail, these specifications ensure flawless performance and enhanced dependability, setting a firm foundation for success.:
2-G3/8; Ingeniously designed for compact proficiency, this model delivers streamlined operational efficiency with precision. Perfect for tight spaces, it ensures outstanding performance without compromise.
3-G1/2; Built for durability and strength, this component is a formidable backbone for your system's longevity. It withstands hard conditions, offering durability and peak performance.;
4-G3/4; Boasting advanced connectivity, this component grants unrivaled control and seamless integration. With its sophisticated design, it elevates system efficiency and boosts overall operational capability with finesse.;
5, 55-G1; Delivering exceptional flow rates for high-demand conditions, this component ensures robust, consistent performance. Designed for top-tier challenges, it manages high-pressure scenarios with precision.;
6-G1 1/4; This component excels in tough environments, offering stellar performance. Engineered to exceed expectations, it sets new standards in power and capability, managing challenging tasks with ease.;
(3) Additional Components and Specifications - Elevate your system's capabilities with state-of-the-art components that redefine superior performance. These advanced specifications unlock unparalleled levels of efficiency, transforming your operations into a hallmark of success.:
C,Standard Type - A reliable foundation, meticulously crafted to meet core operational needs. This component offers steadfast support and exceptional reliability, empowering your system to reach its pinnacle potential.;
G,Throttle Valve (For HLPSL only) - Achieve precise control to boost your system's efficiency. This valve fine-tunes operations for optimal effectiveness, ensuring every component interacts harmoniously for the best outcomes.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve perfects flow management, delivering extraordinary performance and reliability. Surpassing conventional boundaries, it consistently provides exceptional results.;
(4) Pilot Oil Circuit Pressure Options - Experience the pinnacle of power with our bespoke pressure control solutions. These are expertly tailored for a wide range of applications, ensuring precise and tailored alignment with your operational aspirations. Designed with utmost accuracy, these options guarantee you superior operational efficiency and success.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Our solutions are custom-engineered to seamlessly integrate with your specific operational demands. Revel in the freedom of customizable configurations that enable you to achieve your desired results with unparalleled ease and precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate the efficiency and control of your system to unparalleled heights. Masterfully designed, this valve enhances your system's performance, providing unparalleled control and remarkable effectiveness that revolutionizes your operational capabilities.C - No magnetic ball valve; F - Normally open magnetic ball valve, empowering the pump when energized and unloading it when de-energized; D - Normally closed magnetic ball valve, unloading the pump when energized and empowering it when de-energized. This precision tuning offers unmatched system efficiency and adaptability for a variety of applications.D/F - Introducing a state-of-the-art, meticulously engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with exceptional precision to uphold a specifically designated pressure value, significantly enhancing safety measures and optimizing operational security and reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience ultimate versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component epitomizes adaptability, perfectly meeting every hydraulic requirement. The /NF configuration provides systems without a pressure limiting valve, specifically designed for HLPSV, offering supreme pressure control for a diverse range of applications with unsurpassed accuracy.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterpiece of design, skillfully crafted to address every application, ensuring you receive a product that flawlessly matches your specific needs, consistently delivering outstanding performance.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Offering 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 performance and efficiency.
(9)Directional valve block inflow controller options: Choose from an extensive range of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, uniquely designed for the N 3/3-way valve; 5, enhanced inflow controller. Explore pre-selectable options, each offering precision and exceptional efficiency, tailored to meet your specific requirements.
(10) Valve core function symbols: Discover a comprehensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to satisfy distinct functional requirements with unrivaled precision and dependability.
(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 revolutionized the hydraulic industry through an unwavering commitment to innovation and excellence. As a prestigious subsidiary of China Baoan Group (stock code: 000009), we are proud to be a national high-tech enterprise, dedicated to spearheading technological advancements and maintaining superior quality. Our expertise spans comprehensive research, cutting-edge development, precise manufacturing, and strategic marketing of top-tier hydraulic components. Celebrated nationwide as a 'specialized, refined, and innovative' small giant enterprise, we continuously strive to elevate our standards, solidifying our role as industry leaders.
At the forefront of our pioneering innovations is our flagship product: the Enhanced Safety Atex Valve. This engineering marvel exemplifies state-of-the-art hydraulic system control, designed for seamless integration into construction machinery and heavy-duty equipment. Its critical applications span life-saving emergency rescues, complex tunnel engineering, ambitious mining operations, and the operation of essential municipal service vehicles. Our dedication to forming strategic alliances with leading domestic manufacturers accelerates the localization of core hydraulic components for high-end mechanical equipment. Guided by our philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we produce exceptional products, provide unmatched services, and offer groundbreaking solutions. With aspirations of global recognition as a trusted supplier of premier hydraulic components, we continually strive to set new excellence benchmarks 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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