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 - As the bedrock of steadfast performance, this pump ensures a seamless and uninterrupted flow, elevating your system into a masterpiece of engineering brilliance. Indulge in unrivaled reliability and empower your machinery to function with unprecedented accuracy.;
HLPSV: Variable Displacement Pump - A pinnacle of adaptability and advancement, this pump provides remarkable versatility to meet a wide range of operational demands. With its visionary design, it enables smooth transitions and exceptional control, ensuring your system remains at the forefront of technological excellence.;
(2) Connection Block Ports P & R Specifications - Where meticulous precision meets unwavering reliability, forming a solid operational structure. Designed with flawless attention to detail, these specifications ensure outstanding performance and heightened dependability across all applications, laying a steadfast foundation for triumph.:
2-G3/8; This design represents compact excellence, enhancing operational efficiencies with precision. Skillfully crafted to excel in confined spaces, it ensures exceptional performance without compromise.
3-G1/2; Constructed for durability and reliability, this element forms a strong backbone for your system's resilience. Engineered to endure challenging conditions, it guarantees consistent performance and longevity.;
4-G3/4; Featuring advanced connectivity, this component offers unparalleled control and integration. With a sophisticated design, it boosts system efficiency, enhancing overall operational capability with elegance.;
5, 55-G1; Delivering outstanding flow rates for high-demand scenarios, this part ensures robust, consistent performance. Designed for excellence, it tackles high-pressure challenges with precision and ease.;
6-G1 1/4; Offering remarkable performance, this component excels in demanding environments. Engineered to exceed expectations, it sets new standards in power and capability, handling tough tasks effortlessly.;
(3) Additional Components and Specifications - Enhance your system's potential with state-of-the-art components that redefine operational excellence. These advanced specifications unlock unprecedented performance, setting a new standard for operational success.:
C,Standard Type - A trusted foundation, meticulously crafted to fulfill essential operational needs. This component provides steadfast support and unmatched reliability, enabling your system to reach its utmost potential.;
G,Throttle Valve (For HLPSL only) - Achieve precise control to optimize your system's efficiency. This valve fine-tunes operations for maximum impact, ensuring every component synchronizes harmoniously for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve enhances flow management, driving exceptional performance and reliability. Surpassing conventional boundaries, it consistently delivers remarkable results.;
(4) Pilot Oil Circuit Pressure Options - Unleash unparalleled power with custom pressure control solutions tailored for diverse applications. Crafted with precision to meet your specific needs, these options provide unmatched accuracy and alignment with your operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Presenting custom-engineered solutions that harmoniously integrate with your unique operational demands. Enjoy customizable configurations that empower you to achieve your desired outcomes effortlessly and with precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your system's efficiency and control to new heights: Expertly crafted to boost your system's performance, offering unmatched control and extraordinary effectiveness that revolutionizes 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 that provides unmatched system efficiency and adaptability.D/F - Presenting a cutting-edge, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This engineering masterpiece is crafted with immaculate precision to uphold a specifically designated pressure value, significantly boosting advanced safety measures and optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Delight in the pinnacle of versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component epitomizes adaptability, seamlessly fulfilling every hydraulic requirement. The /NF configuration delivers systems without a pressure limiting valve, expertly designed for HLPSV, offering unrivaled pressure control for diverse applications with supreme accuracy.
(7) Product Series Classification - The Paramount of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series reflects a masterclass in design, skillfully crafted to address every application, ensuring you acquire a product that seamlessly aligns with your specific requirements, delivering consistently 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 flawless and seamless integration, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Choose from an exhaustive 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, each offering precision and exceptional efficiency, customized to your specific needs.
(10) Valve core function symbols: Explore an expansive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to satisfy specific functional requirements with unmatched precision and reliability.
(11) Output flow code for ports A & B: Elevate your system's efficiency with our maximum output flow options, meticulously crafted for peak performance and unwavering reliability. Choose from 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed to deliver exceptional performance and steadfast dependability.
(12) Secondary Pressure Limitation Options: Discover unmatched safety and reliability with our precision-engineered pressure limitation options, tailored for your peace of mind. Choose 'N' for operations without pressure limiting protection for simplicity. Select 'C' for essential pressure limitation on actuator ports A & B, ensuring consistent and reliable performance. For specialized and independent control, opt for 'A---B---', offering tailored management of ports A and B. Each option is crafted to maintain the highest system integrity standards, ensuring your operations are secure and efficient.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational prowess with our customizable options designed for peak performance. Opt for 'N' for no function ON/OFF or pressure outlet requirements for straightforward operations. For heightened control, 'X' with C type pressure limitation is ideal, or select 'S/S1' with AB type pressure limitation for superior oversight. For precise electrical control, choose 'A' for ON/OFF functionality on side A or 'B' for side B. Each option ensures maximum precision, efficiency, and operational excellence.
(14) Operation Modes: Explore our versatile operation modes, each crafted for unrivaled precision and adaptability. 'A(1,2)' offers manual operation with ergonomic long or short handles. 'E' delivers electric proportional control, while 'EA(1,2)' offers a blend of manual and proportional control for optimal responsiveness. 'D' provides electric switching value control, with 'DA(1,2)' for manual enhancements. 'M' offers expert manual friction positioning with a long handle. For hydraulic operations, 'H' and 'F' provide unique pilot oil port designs, ensuring comprehensive system control.
(15) Ancillary Block Port Sizes: Boost adaptability and performance with our expertly engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 for seamless system integration. Each choice is crafted for unmatched adaptability, ensuring peak performance across diverse systems and operational demands.
(16) End Plate Options: Explore our advanced end plate solutions, each designed for optimal functionality and adaptability. 'E1' offers external pilot oil discharge with control port T. 'E2' adds port Y for greater flexibility. 'E3' features a 2-position, 3-way magnetic ball valve, boosting system pressure to safety valve levels for enhanced performance and reliability.
E4 mirrors 'E1' with cutting-edge internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' combines 'E2' features with internal discharge for superior performance. 'E6' reflects 'E3' with advanced discharge control, perfect for demanding requirements, ensuring your system's efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Select from our robust voltage options, including G12-12VDC, designed for safety and reliability in challenging environments. Our offerings provide specialized solutions ensuring system stability and uncompromised 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 become a beacon in the hydraulic industry, consistently delivering groundbreaking innovation and unparalleled excellence. As a proud subsidiary of the prestigious China Baoan Group (stock code: 000009), we are recognized as a national high-tech enterprise. Our dedication to pioneering technological advancements and maintaining superior quality standards is unmatched. 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 are committed to continuously elevating our standards of excellence and reinforcing our leadership position in the industry.
At the forefront of our innovative product lineup is our masterpiece: the Enhanced Safety Atex Valve. This marvel represents state-of-the-art hydraulic system control, carefully designed for seamless integration into construction machinery and robust heavy-duty equipment. Its vital functionality extends across crucial applications, from life-saving emergency rescue missions to complex tunnel engineering, ambitious mining ventures, and essential municipal service vehicle operations. 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 dedicated to producing exceptional products, offering unmatched services, and delivering groundbreaking solutions. We aim to be globally recognized as a trusted supplier of premier hydraulic components, continually striving 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.