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 an extraordinary level of control with our bespoke pressure management solutions, specifically designed to cater to a wide array of applications. These options are engineered with finesse to align seamlessly with your operational aspirations, offering unparalleled precision and reliability.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Introducing bespoke solutions that intricately blend with your operational needs. Enjoy tailored configurations that facilitate effortless precision and enable you to reach your goals with ease.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Propel your system's performance to extraordinary levels: Expertly designed to elevate operational capabilities, providing unrivaled effectiveness and control that transform your efficiency.C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading when not; D - Normally closed magnetic ball valve, unloading when powered, pressurizing when not. Achieve precision tuning for unmatched system efficiency and versatility.D/F - Discover a state-of-the-art, meticulously engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with impeccable precision to maintain a specified pressure, enhancing advanced safety measures and optimizing security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in unmatched adaptability and precision with adjustable settings from 63 to 400 bar. This component epitomizes versatility, seamlessly meeting all hydraulic needs. The /NF configuration provides systems without a pressure limiting valve, expertly designed for HLPSV, ensuring supreme accuracy in pressure control for varied applications.
(7) Product Series Classification - The Apex of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a showcase of design brilliance, precisely crafted for every application, ensuring you obtain a product that aligns perfectly with your needs, delivering exceptional performance consistently.
(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 designed for flawless integration, ensuring optimal efficiency and seamless 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. Discover options that offer precision, efficiency, and customization to suit your exact requirements.
(10) Valve core function symbols: Delve into a vast array of core functions: L, M, F, H, J, B, R, O, N, each designed with meticulous attention to meet specific functional demands with unmatched precision and dependability.
(11) Output flow code for ports A & B: Attain top-tier efficiency with our range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each is crafted for extraordinary performance and steadfast reliability, ensuring your operations are continuously flawless.
(12) Secondary Pressure Limitation Options: Experience unrivaled safety and dependability with our precision-engineered pressure limitation selections, accurately calibrated in bar for utmost assurance. Choose 'N' for operations without pressure limiting, ideal for simple tasks. Opt for 'C' when dual pressure limitation on actuator ports A & B is crucial, guaranteeing steady performance. For bespoke and independent control, select 'A---B---', providing specialized management for ports A and B. Every option is intricately crafted to maintain peak system integrity, securing your operations are safe and efficient.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational prowess with a variety of customizable solutions designed for optimal performance. For basic operations, choose 'N', which lacks function ON/OFF or pressure outlet needs. For processes needing refined control, 'X' with C type pressure limitation is perfect, or select 'S/S1' with AB type pressure limitation for enhanced oversight. Opt for 'A' for ON/OFF precision on side A or 'B' on side B for electrical control. Each option is thoughtfully constructed to deliver supreme precision, efficiency, and operational brilliance.
(14) Operation Modes: Discover our comprehensive suite of operation modes, each carefully engineered for exceptional versatility and precision. 'A(1,2)' offers manual control with a choice of long or short handle, tailored to your ergonomic preferences. 'E' introduces advanced electric proportional control, while 'EA(1,2)' merges this with manual control for optimal flexibility and responsiveness. 'D' delivers electric switching value control, complemented by 'DA(1,2)' for manual enhancements. Select 'M' for expert manual friction positioning with a long handle. For exclusive hydraulic operations, 'H' and 'F' feature unique pilot oil port designs, either aligned or perpendicular, offering thorough control and system mastery.
(15) Ancillary Block Port Sizes: Enhance adaptability and performance with our precisely engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure seamless system integration. Every selection is crafted for unparalleled adaptability, delivering peak performance across diverse systems and operational demands, keeping your system performing at its best.
(16) End Plate Options: Explore our masterfully designed end plate solutions, each crafted to the highest standards of functionality and adaptability. 'E1' establishes the benchmark with its external discharge of pilot oil and oil return control port T. 'E2' broadens your capabilities with an added port Y, providing enhanced flexibility. 'E3' is engineered for sophisticated performance with a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when engaged, ensuring exceptional functionality and dependability.
E4 mirrors 'E1', featuring advanced internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' integrates the robust features of 'E2' with internal discharge for superior system performance. 'E6' embodies the advanced design of 'E3', offering enhanced discharge control, ideal for the most demanding system demands, ensuring your system remains at the pinnacle of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our extensive range of robust and secure voltage options, including the G12-12VDC, specially designed for safety and reliability even in the toughest environments. Our solutions provide specialized security and stability tailored to any application, ensuring your system's performance is 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 brightly illuminated the hydraulic industry with its relentless pursuit of groundbreaking innovation and unparalleled excellence. Emerging as a distinguished subsidiary under the esteemed China Baoan Group (stock code: 000009), we stand with pride as a national high-tech enterprise. This status is a testament to our unwavering dedication to pioneering technological advancements and upholding superior quality standards. Our extraordinary expertise covers 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 steadfast in our commitment to continuously elevate our standards of excellence. This dedication further cements our position as leaders in the industry.
At the very core of our pioneering product lineup is our flagship innovation: the Enhanced Safety Atex Valve. This marvel of modern engineering embodies state-of-the-art hydraulic system control, meticulously crafted for seamless integration into construction machinery and robust heavy-duty equipment. Its critical functionality extends across vital applications, including life-saving emergency rescue missions, complex tunnel engineering projects, ambitious mining operations, and the operation of essential municipal service vehicles. Our steadfast 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 unmatched services, and offering groundbreaking solutions. With a resolute 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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