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 - This pump serves as the cornerstone of unwavering performance excellence, ensuring a consistent and smooth workflow. By transforming your system into a finely-tuned marvel of engineering, it provides unparalleled dependability and empowers your machinery to operate with unmatched precision.;
HLPSV: Variable Displacement Pump - A true paragon of flexibility and innovation, this pump offers extraordinary adaptability to cater to a broad spectrum of operational requirements. With its forward-thinking design, it enables fluid transitions and superior control, ensuring your system is always at the forefront of performance.;
(2) Connection Block Ports P & R Specifications - These specifications bring precision and reliability together to create a robust operational framework. Crafted with meticulous attention to detail, they guarantee impeccable performance and elevated dependability across all applications, providing an unshakeable foundation for success.:
2-G3/8; This design epitomizes compact proficiency, supporting streamlined operational efficiencies with acute precision. Meticulously crafted to excel even in space-constrained environments, it promises outstanding performance without compromise.
3-G1/2; Specifically engineered for strength and reliability, this component forms a formidable backbone for your system's longevity. Built to withstand demanding conditions, it offers unwavering durability and performance under pressure.;
4-G3/4; Featuring advanced connectivity, this component provides unmatched control and seamless 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 effortlessly and with precision.;
6-G1 1/4; Offering extraordinary performance capabilities, this component excels in challenging environments. Engineered to surpass expectations, it sets new benchmarks in power and capability, confidently handling demanding tasks.;
(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 harmoniously 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 - Embrace the ultimate in power and precision with our customizable pressure control solutions, thoughtfully designed for a wide range of applications. These options are crafted with exquisite precision to align seamlessly with your operational aspirations, delivering exceptional accuracy to meet your unique demands.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions that perfectly integrate with your operational needs. Experience tailor-made configurations that empower you to effortlessly achieve desired outcomes with unparalleled precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Propel your system's performance and control to extraordinary new levels: Meticulously designed to enhance efficiency, offering superior control and effectiveness to transform 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-tuned for 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 with exceptional precision to ensure a specific pressure value, significantly enhancing advanced safety measures and optimizing operational security and reliability to remarkable levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in the ultimate versatility and precision with adjustable settings ranging from 63 to 400 bar. This component epitomizes adaptability, meeting every hydraulic need with ease. The /NF configuration, designed for HLPSV, offers unmatched pressure control for various applications with supreme accuracy.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterclass in design, expertly crafted to address every application. Acquire a product that perfectly aligns 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: Choose from a comprehensive selection: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, customized for the N 3/3-way valve; 5, enhanced inflow controller. Discover pre-configured options, each crafted for precision and exceptional efficiency, tailored to your specific needs.
(10) Valve core function symbols: Explore an extensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements with unparalleled precision and reliability.
(11) Output flow code for ports A & B: Harness the pinnacle of efficiency with our maximum output flows designed to deliver supreme performance and consistent reliability: Choose from 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, and 210 L/min, each calibrated for unwavering dependability and optimal functionality.
(12) Secondary Pressure Limitation Options: Elevate your system's safety and reliability with our expertly crafted pressure limitation options, meticulously calibrated in bar for your assurance. Opt for 'N' for basic operations without pressure limiting, ensuring straightforward task execution. Select 'C' for synchronized pressure limitation on actuator ports A & B, guaranteeing constant performance. For customized control, choose 'A---B---' for specialized management of ports A and B. Each option is designed to uphold the highest standards of system integrity, ensuring your operations are secure and efficient at all times.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational precision with a suite of customizable options designed for peak performance. For fundamental operations, select 'N' with no function ON/OFF or pressure outlet needs. If enhanced control is required, 'X' with C type pressure limitation fits the bill, or opt for 'S/S1' with AB type pressure limitation for superior oversight. For electrical precision, 'A' enables ON/OFF functionality on side A, while 'B' does so for side B. Each choice is crafted to deliver maximum precision, efficiency, and operational excellence.
(14) Operation Modes: Discover our wide array of operation modes, each crafted for exceptional versatility and precision. 'A(1,2)' offers manual operation with long or short handles, tailored to your ergonomic preferences. 'E' provides advanced electric proportional control, while 'EA(1,2)' balances this with manual operation for optimal adaptability. 'D' offers electric switching value control, with 'DA(1,2)' adding manual enhancements. Choose 'M' for expert manual friction positioning with a long handle. For hydraulic operations, 'H' and 'F' offer unique pilot oil port designs, aligned or perpendicular, ensuring comprehensive system control.
(15) Ancillary Block Port Sizes: Enhance system adaptability and performance with our precisely engineered port sizes. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, each ensuring smooth integration and unmatched adaptability across diverse systems and operational demands, keeping your system performing at its peak.
(16) End Plate Options: Explore our expertly designed end plate solutions, each crafted for maximum functionality and adaptability. 'E1' features external discharge of pilot oil with oil return control port T. 'E2' adds versatility with an extra port Y. 'E3' is engineered for high performance with a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, promising superior functionality and reliability.
E4 mirrors 'E1', incorporating advanced internal discharge of pilot oil and sealed port T for optimized efficiency. 'E5' combines the robust features of 'E2' with internal discharge for enhanced system performance. 'E6' embodies the sophisticated design of 'E3', offering advanced discharge control, ideal for demanding system requirements, ensuring your system remains at the forefront of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure and robust voltage options, including the G12-12VDC, crafted for maximum safety and reliability in challenging environments. Our solutions provide specialized security and stability tailored to any application, ensuring uncompromised system performance.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.