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 exceptional pump is the linchpin of your system's efficiency, offering seamless and reliable operation. Elevate your machinery's precision and reliability with this engineering marvel, ensuring consistent performance day in, day out.;
HLPSV: Variable Displacement Pump - Experience the epitome of innovation with this versatile pump, designed to adapt seamlessly to varying operational needs. Its intuitive design allows for smooth transitions and unparalleled control, placing your system at the forefront of modern performance.;
(2) Connection Block Ports P & R Specifications - A harmonious blend of precision and reliability underpins these specifications. Crafted with precision, they ensure optimal performance and steadfast dependability, forming an unyielding backbone for diverse applications and success.:
2-G3/8; Designed for compact efficiency, this component excels in space-limited settings without sacrificing performance. It ensures streamlined operations, delivering exceptional results through meticulous engineering.
3-G1/2; Designed for robustness and strength, this component is vital in withstanding harsh operational environments. Its sturdy construction ensures your system's longevity and dependable performance.;
4-G3/4; With cutting-edge connectivity, this component offers superior integration and control. Its sophisticated design boosts system efficiency, enhancing overall operational capability with grace.;
5, 55-G1; Master high-demand scenarios with this component offering exceptional flow rates. Its robust design meets high-pressure challenges with consistent and precise performance, engineered for excellence.;
6-G1 1/4; Delivering high-performance, this component thrives in challenging conditions. Surpassing expectations, it sets new standards in power and reliability, effortlessly managing demanding tasks.;
(3) Additional Components and Specifications - Elevate your system to new heights with advanced components that set the standard for operational excellence. These specifications unlock unparalleled performance, transforming your operations into the pinnacle of success.:
C,Standard Type - Serving as a reliable foundation, this component is meticulously crafted to meet essential operational demands. It provides steadfast support and superior reliability, unlocking your system's full potential.;
G,Throttle Valve (For HLPSL only) - Precision control is achieved through this valve, enhancing system efficiency. It fine-tunes operations for peak effectiveness, ensuring harmonious performance across all components.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizing flow management, this valve drives exceptional performance and reliability, exceeding conventional limitations to deliver outstanding results every time.;
(4) Pilot Oil Circuit Pressure Options - Experience the unmatched power of custom pressure control solutions meticulously designed for a spectrum of applications. These components are engineered with precision to cater to your unique requirements, delivering exceptional accuracy in alignment with your operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Introducing custom-crafted solutions that seamlessly integrate with your operational demands. Enjoy personalized configurations that empower you to achieve your desired outcomes effortlessly and with precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Transform your system's efficiency and control with this expertly designed valve, enhancing your system's performance with exceptional effectiveness and control, redefining 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. Providing precision tuning for unmatched system efficiency and adaptability.D/F - Discover an advanced, precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with exquisite precision to maintain a 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: Revel in the ultimate flexibility and precision with adjustable settings from 63 to 400 bar levels. This component embodies adaptability, seamlessly meeting all hydraulic requirements. The /NF configuration provides systems without a pressure limiting valve, expertly crafted for HLPSV, offering incomparable pressure control for varied applications with utmost accuracy.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterclass in design, skillfully engineered to meet every application, ensuring you obtain a product that seamlessly matches your precise requirements, delivering consistently outstanding 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: Explore an extensive 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, customized to your specific needs.
(10) Valve core function symbols: Delve into a wide array of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to fulfill specific functional requirements with impeccable precision and reliability.
(11) Output flow code for ports A & B: Unlock unparalleled efficiency with our spectrum of available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each configuration is designed to deliver supreme performance and steadfast reliability, ensuring your operations run smoothly and effectively.
(12) Secondary Pressure Limitation Options: Immerse yourself in unmatched safety and reliability with our precision-engineered pressure limitation options, calibrated in bar for your utmost peace of mind. Choose 'N' for operations without pressure limiting protection, suiting straightforward tasks. Opt for 'C' when synchronized pressure limitation on actuator ports A & B is critical, assuring consistent performance. For customized and independent management, select 'A---B---', offering specialized control for ports A and B. Each option elevates system integrity to the highest standards, making sure your operations remain secure and efficient.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational prowess with a range of customizable options crafted for optimal performance. For straightforward operations, select 'N', with no function ON/OFF or pressure outlet requirements. If your process requires refined control, 'X' with C type pressure limitation, or 'S/S1' with AB type pressure limitation is ideal for heightened oversight. For precise electrical control, opt for 'A' for ON/OFF functionality on side A or 'B' for side B. Each option is meticulously designed to deliver maximum precision, efficiency, and operational excellence.
(14) Operation Modes: Delve into our versatile array of operation modes, each intricately designed for unparalleled adaptability and precision. 'A(1,2)' offers manual operation with a choice of a long or short handle, tailored to your ergonomic needs. 'E' provides cutting-edge electric proportional control, while 'EA(1,2)' merges this with manual operation for superior adaptability and responsiveness. 'D' delivers electric switching value control, complemented by 'DA(1,2)' for manual enhancement. Opt for 'M' for expert manual friction positioning with a long handle. For hydraulic operations, 'H' and 'F' present unique pilot oil port designs, either aligned or perpendicular, ensuring complete control and mastery over your system.
(15) Ancillary Block Port Sizes: Maximize adaptability and performance with our expertly designed port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, ensuring flawless system integration. Each option promises unparalleled adaptability, driving peak performance across diverse systems and operational demands, ensuring your system operates at its best.
(16) End Plate Options: Explore our ingeniously crafted end plate solutions, each meticulously engineered to meet the pinnacle of functionality and adaptability. 'E1' sets the benchmark with its external discharge of pilot oil and oil return control port T. 'E2' expands your potential with an added port Y, providing greater flexibility. 'E3' is designed for superior performance with a 2-position, 3-way magnetic ball valve, boosting system pressure to safety valve levels when activated, ensuring outstanding functionality and reliability.
E4 mirrors 'E1', featuring state-of-the-art internal discharge of pilot oil and a sealed port T for enhanced efficiency. 'E5' integrates the robust features of 'E2' with internal discharge for superior system performance. 'E6' encapsulates the advanced design of 'E3', providing sophisticated discharge control, ideal for the most demanding system requirements, ensuring your system is always at the pinnacle of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our reliable and secure voltage options, including the G12-12VDC, expertly designed to maintain safety and reliability even in the most demanding environments. Our tailored solutions ensure your system's stability and performance remain uncompromised, offering specialized security for any application.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 radiant beacon in the hydraulic industry, heralding a new era of innovation and unparalleled quality. As a proud subsidiary of the eminent China Baoan Group (stock code: 000009), we are a national high-tech enterprise, demonstrating our commitment to cutting-edge technological advancements and maintaining impeccable quality standards. Our expertise spans comprehensive research, state-of-the-art development, precise manufacturing, and strategic marketing of superior hydraulic components. Celebrated nationwide as a 'specialized, refined, and innovative' small giant enterprise, we are steadfast in our mission to continually elevate our excellence, solidifying our position as industry leaders.
At the core of our groundbreaking product range is our flagship innovation: the Enhanced Safety Atex Valve. This exquisite feat of engineering showcases the pinnacle of hydraulic system control, designed for flawless integration into construction machinery and rugged heavy-duty equipment. Its vital functionalities are imperative for critical applications, including life-saving emergency rescue operations, intricate tunnel engineering, ambitious mining endeavors, and the functioning of essential municipal service vehicles. Our unwavering commitment to forging strategic partnerships with leading domestic manufacturers accelerates the localization of core hydraulic components for premium mechanical equipment. Guided by our core philosophy-'serving customers with technology, captivating customers with our attitude, and securing customers with quality'-we are dedicated to crafting exceptional products, delivering unparalleled services, and providing revolutionary solutions. With aspirations to be globally acknowledged as a trustworthy supplier of elite hydraulic components, we relentlessly pursue new benchmarks of excellence 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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