Introducing our pioneering HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a true testament to the pinnacle of hydraulic innovation. These engineering masterpieces flawlessly blend pressure, flow, and directional control into a single, superior system, ensuring unmatched performance and reliability across a multitude of applications. Composed of three essential functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are seamlessly integrated into high-end hydraulic systems, essential for elite engineering machinery. They adeptly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision and control. Key highlights of these valves include a compact design, superior energy efficiency, and the capability for stepless speed control. Additionally, they facilitate the simultaneous operation of multiple actuators even under varying loads, delivering exceptional performance and versatility for any application.
The HLPSL valves are precisely designed for constant displacement pump systems, ensuring unwavering and dependable operation in any environment. On the other hand, the HLPSV valves are ingeniously crafted for variable pump systems. Although HLPSV valves may exhibit a slightly slower response, they excel in delivering extraordinary energy-saving performance, making them the ideal choice where efficiency takes precedence. With their state-of-the-art engineering and energy-conscious design, HLPSV valves emerge as the ultimate solution for advanced hydraulic control needs, offering a perfect blend 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 - An epitome of engineering prowess, this pump stands as the bedrock of consistent excellence. It seamlessly guarantees a reliable and smooth workflow, transforming your hydraulic system into a masterpiece of precision and dependability. Elevate your machinery's performance with this unparalleled component.;
HLPSV: Variable Displacement Pump - The ultimate symbol of adaptability and ingenuity, this pump is designed to exceed your diverse operational needs. Its innovative architecture allows for seamless transitions and exceptional control, ensuring that your system remains at the pinnacle of performance and flexibility.;
(2) Connection Block Ports P & R Specifications - Where unmatched precision meets unwavering reliability, crafting a robust framework for operational success. These meticulously designed specifications uphold exceptional performance and reliability in all applications, forming the unshakeable foundation for your endeavors.:
2-G3/8; Embodying compact mastery, this design supports streamlined operational efficiencies with remarkable precision. Engineered to excel in environments with limited space, it promises outstanding performance without any compromise.
3-G1/2; Masterfully crafted for strength and reliability, this component is the steadfast backbone of your system's endurance. Built to endure under demanding conditions, it ensures unwavering durability and performance.;
4-G3/4; With advanced connectivity, this component offers unparalleled control and integration. Its refined design enhances system efficiency, boosting overall operational capability with elegance.;
5, 55-G1; Excelling in scenarios with high demands, this component delivers exceptional flow rates. It is meticulously designed to address high-pressure challenges with precision, ensuring robust and consistent performance.;
6-G1 1/4; This component offers extraordinary performance even in the most challenging environments. Engineered to set new standards in power and capability, it effortlessly handles demanding tasks, surpassing expectations.;
(3) Additional Components and Specifications - Unlock the pinnacle of operational excellence with advanced components that redefine performance. These state-of-the-art specifications empower your system to achieve new heights, turning your operations into benchmarks of success.:
C,Standard Type - A cornerstone of trust, this component is meticulously crafted to fulfill essential operational demands. It provides unwavering support and unmatched reliability, enabling your system to reach its full potential.;
G,Throttle Valve (For HLPSL only) - Enhance your system's efficiency with precision control. This valve fine-tunes operations for maximum effectiveness, ensuring seamless harmony among all components for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimizing flow management, this valve drives unparalleled performance and reliability. Surpassing conventional limits, it consistently delivers outstanding 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: Reach the pinnacle of hydraulic efficiency with our range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow rate is meticulously crafted to deliver supreme performance and unwavering dependability, ensuring that your hydraulic systems operate at their peak potential.
(12) Secondary Pressure Limitation Options: Discover the epitome of safety and reliability with our expertly engineered pressure limitation solutions, precisely calibrated in bar for your assurance. Choose 'N' for operations without pressure limiting, perfect for straightforward tasks. Opt for 'C' when it's crucial to apply simultaneous pressure limitation on actuator ports A & B, ensuring consistent and reliable performance. For tailor-made and independent control, select 'A---B---', providing specialized management of ports A and B. Each option is meticulously crafted to uphold the highest system integrity, ensuring your operations are secure and efficient.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational prowess with our array of customizable options designed for optimal performance. For straightforward processes, 'N' offers simplicity with no function ON/OFF or pressure outlet needs. For more sophisticated control, 'X' paired with C type pressure limitation is ideal, or select 'S/S1' alongside AB type pressure limitation for enhanced oversight. Achieve electrical precision with 'A' for ON/OFF control on side A or 'B' for side B. Each option is meticulously designed to ensure maximum precision, efficiency, and unparalleled operational excellence.
(14) Operation Modes: Discover our diverse operation modes, each meticulously crafted for unmatched versatility and precision. 'A(1,2)' offers manual operation with either a long or short handle to suit your ergonomic preferences. 'E' delivers advanced electric proportional control, while 'EA(1,2)' combines this with manual operation for optimal adaptability. 'D' offers electric switching value control, and 'DA(1,2)' allows for manual enhancements. The 'M' mode provides expert manual friction positioning with a long handle. For purely hydraulic operations, 'H' and 'F' offer unique pilot oil port designs, aligned or perpendicular, granting you comprehensive control over your system.
(15) Ancillary Block Port Sizes: Transform adaptability and performance with our expertly engineered port size selections. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure seamless system integration. Each selection is crafted for unmatched adaptability, delivering peak performance across diverse systems and operational demands, ensuring your system consistently operates at its best.
(16) End Plate Options: Explore our expertly designed end plate solutions, crafted to meet the highest standards of functionality and adaptability. 'E1' leads with its external discharge of pilot oil and oil return control port T. 'E2' extends capabilities with an additional port Y, offering enhanced flexibility. 'E3' is engineered for superior performance with a 2-position, 3-way magnetic ball valve, enhancing system pressure to safety valve levels when activated, ensuring reliable and enhanced functionality.
E4 mirrors 'E1', offering cutting-edge internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' combines the robust features of 'E2' with internal discharge, promising superior system performance. 'E6' embodies the advanced design of 'E3', providing sophisticated discharge control, perfect for the most demanding system requirements, ensuring your system remains at the forefront of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Select from our robust and secure voltage options, such as the G12-12VDC, crafted for safety and reliability, even in the most challenging environments. Our solutions offer 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 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.
){kind=link}