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 premier component is the essence of unwavering performance, ensuring a seamless and smooth workflow. Transform your machinery into a masterpiece of precise engineering with reliability that empowers every operation to function with impeccable accuracy.;
HLPSV: Variable Displacement Pump - Embodying flexibility and innovation, this pump is designed to adapt effortlessly to a myriad of operational needs. With its cutting-edge design, it facilitates seamless transitions and exceptional control, keeping your system at the pinnacle of performance.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability here, creating a formidable structure for operations. Developed with meticulous craftsmanship, these specifications assure flawless performance and superior dependability, establishing an unyielding base for success in all applications.:
2-G3/8; This compact design exemplifies efficiency, facilitating streamlined operations with accuracy. Expertly crafted for tight spaces, it ensures remarkable performance without any compromise.
3-G1/2; Engineered with resilience, this component is the backbone of endurance for your system. It is built to thrive in challenging conditions, offering steadfast durability and performance.;
4-G3/4; Featuring cutting-edge connectivity, this component offers unrivaled control and integration. Its sophisticated design boosts system efficiency, enhancing overall operational capacity with grace.;
5, 55-G1; Ensuring exceptional flow rates for high-demand conditions, this component guarantees robust and consistent performance. It is crafted for excellence, easily addressing high-pressure challenges with precision.;
6-G1 1/4; Delivering outstanding performance, this component excels in tough environments. It is engineered to exceed expectations and set new standards in power and capability, managing demanding tasks with ease.;
(3) Additional Components and Specifications - Augment your system's capabilities with state-of-the-art components that redefine operational excellence. These advanced specifications unlock superior levels of performance, transforming your operations into a paradigm of success.:
C,Standard Type - A dependable foundation, expertly crafted to meet vital operational requirements. This component provides steadfast support and unrivaled reliability, empowering your system to achieve its highest potential.;
G,Throttle Valve (For HLPSL only) - Attain precision control to elevate your system's efficiency. This valve optimizes operations for maximum effectiveness, ensuring each component operates in harmony for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve maximizes flow management, delivering extraordinary performance and reliability. It surpasses traditional limits, providing exceptional outcomes each time.;
(4) Pilot Oil Circuit Pressure Options - Experience the ultimate in power customization with bespoke pressure control solutions precisely tailored for a wide range of applications. Engineered with the utmost precision to meet your exact specifications, these options guarantee unsurpassed accuracy and perfect alignment with your operational aspirations.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Introducing custom-engineered solutions that seamlessly integrate with your unique operational needs. Enjoy flexible configurations that enable you to achieve your desired outcomes effortlessly and with precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhance your system's efficiency and control: Expertly designed to elevate your system's performance, this valve offers unparalleled control and effectiveness, transforming 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. Finely tuned for superior system efficiency and adaptability.D/F - Presenting an advanced, precision-engineered pressure limiting valve for secondary pressure (F50). This technological marvel is crafted with impeccable precision to maintain a specific pressure value, greatly enhancing safety and optimizing operational security and reliability to unmatched levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience peak versatility and precision with adjustable settings from 63 to 400 bar levels. This component is the epitome of adaptability, seamlessly meeting every hydraulic need. The /NF configuration delivers systems without a pressure limiting valve, expertly crafted for HLPSV, offering superior pressure control for a multitude of applications with exceptional accuracy.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to brilliant design, meticulously crafted to suit every application, ensuring you receive a product that seamlessly aligns with 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 peak efficiency.
(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, designed for the N 3/3-way valve; 5, enhanced inflow controller. Explore pre-selectable options, each offering precision and exceptional efficiency, tailored to your specific requirements.
(10) Valve core function symbols: Delve into an extensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill specific functional needs with unmatched precision and reliability.
(11) Output flow code for ports A & B: Experience pinnacle efficiency with our comprehensive range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow rate is meticulously engineered for superior performance and unwavering reliability, ensuring your operations reach their full potential with consistent excellence.
(12) Secondary Pressure Limitation Options: Elevate your operational safety and reliability with our precision-crafted pressure limitation options, perfectly calibrated in bar to provide peace of mind. Select 'N' for operations without pressure limiting protection, ideal for straightforward tasks. Choose 'C' to ensure simultaneous pressure limitation on actuator ports A & B, guaranteeing consistent performance. For bespoke and independent control, select 'A---B---', offering specialized management of ports A and B. Every option is carefully designed to uphold the pinnacle of system integrity, ensuring your operations remain secure and efficient.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational prowess with a spectrum of tailored options engineered for peak performance. Opt for 'N' for straightforward operations, free from function ON/OFF or pressure outlet requisites. For processes necessitating advanced control, 'X' with C type pressure limitation is ideal, alongside 'S/S1' with AB type pressure limitation for superior oversight. For electrical precision, select 'A' or 'B' for ON/OFF functionality on side A or B respectively. Each option is finely crafted to deliver maximum precision, efficiency, and operational excellence.
(14) Operation Modes: Discover our extensive range of operation modes, each crafted with precision for unmatched versatility. 'A(1,2)' facilitates manual operation with both long and short handle options for ergonomic customization. 'E' provides cutting-edge electric proportional control, seamlessly integrating with manual operations in 'EA(1,2)' for enhanced adaptability. 'D' offers electric switching value control, with 'DA(1,2)' enhancing it manually. Choose 'M' for expert manual friction positioning using a long handle. For hydraulic operations, 'H' and 'F' present unique pilot oil port configurations, either aligned or perpendicular, ensuring comprehensive command over your system.
(15) Ancillary Block Port Sizes: Achieve optimal 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. Each selection is tailored for unparalleled adaptability, guaranteeing peak performance across diverse systems and demands, keeping your system performing at its best.
(16) End Plate Options: Explore our expertly engineered end plate solutions, crafted to meet the pinnacle of functionality and adaptability. 'E1' sets the benchmark with external discharge of pilot oil and oil return control port T. 'E2' expands capabilities with the addition of port Y for increased flexibility. 'E3' introduces advanced performance with a 2-position, 3-way magnetic ball valve, enhancing system pressure to safety valve levels when activated. This ensures superior functionality and reliability.
E4 mirrors 'E1', equipped with advanced internal discharge of pilot oil and a sealed port T, optimizing efficiency. 'E5' combines the robust attributes of 'E2' with internal discharge for enhanced system performance. 'E6' encapsulates 'E3's sophisticated design, delivering superior discharge control, perfect 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 voltage options, such as the G12-12VDC, crafted for reliability and safety even in the most challenging settings. Our solutions offer specialized security tailored to any application, assuring 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 been a beacon of innovation and excellence in the hydraulic industry. As a distinguished subsidiary of the illustrious China Baoan Group (stock code: 000009), we proudly stand as a national high-tech enterprise. Our commitment to pioneering technological breakthroughs and maintaining superior quality standards is unwavering. We specialize in comprehensive research, advanced development, precision manufacturing, and strategic marketing of premium hydraulic components. Celebrated as a 'specialized, refined, and innovative' small giant enterprise nationwide, we are dedicated to continually elevating our standards of excellence, solidifying our stature as industry leaders.
At the forefront of our innovative product series is the Enhanced Safety Atex Valve, a cutting-edge creation in hydraulic system control. Expertly engineered for flawless integration into construction machinery and heavy-duty equipment, this valve plays a critical role in diverse applications. It is indispensable in life-saving emergency rescues, sophisticated tunnel engineering, ambitious mining ventures, and the operation of key municipal service vehicles. Our enduring commitment to forming strategic partnerships with leading domestic manufacturers accelerates the localization of essential hydraulic components for high-end mechanical equipment. Guided by our core philosophy-'serving customers with technology, impressing them with our attitude, and retaining them with quality'-we are devoted to crafting exceptional products, delivering unparalleled services, and providing innovative solutions. Aspiring for global recognition as a trusted supplier of premier hydraulic components, we relentlessly pursue the setting of new standards of excellence on the world 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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