Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves-an extraordinary leap in hydraulic technology that embodies the pinnacle of innovation. These engineering masterpieces seamlessly combine pressure, flow, and directional control into a superior, unified system, ensuring exceptional performance and reliability across a myriad of applications. Crafted from three essential functional modules-connecting blocks, directional valves, and end plates-these precision-engineered valves effortlessly integrate into high-end hydraulic systems, essential for sophisticated engineering machinery. They meticulously manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, granting unparalleled precision and control. Key highlights include a compact design, outstanding energy efficiency, and the capability for stepless speed control. Moreover, they enable the simultaneous operation of multiple actuators under varying loads, offering extraordinary excellence and versatility for every application.
The HLPSL valves are meticulously crafted for constant displacement pump systems, ensuring unwavering and dependable operation in every environment. In contrast, the HLPSV valves are ingeniously designed for variable pump systems. While HLPSV valves may exhibit a marginally slower response, they excel with remarkable energy-saving performance, making them the ultimate choice where efficiency is paramount. With cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the preeminent solution for advanced hydraulic control needs, offering an impeccable 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 - Dive into the realm of mechanical mastery with this cornerstone of unwavering excellence. It guarantees a seamless and uninterrupted workflow, turning your system into a marvel of precision engineering. Revel in unmatched dependability, allowing your machinery to operate at the pinnacle of perfection.;
HLPSV: Variable Displacement Pump - Embodying the spirit of versatility and innovation, this pump is the epitome of adaptability, ready to meet diverse operational demands. Its pioneering design facilitates fluid transitions and precise control, keeping your system at the forefront of technological advancement.;
(2) Connection Block Ports P & R Specifications - Where meticulous precision meets steadfast reliability, crafting a robust operational framework. These rigorously detailed specifications assure flawless performance and elevated dependability across all applications, laying down an unshakeable foundation for your success.:
2-G3/8; This design is the epitome of compact efficacy, streamlining operations with unmatched precision. Expertly crafted to thrive in space-limited settings, it promises extraordinary performance without any compromise.
3-G1/2; A testament to strength and reliability, this component forms the robust backbone of your system's endurance. Engineered to withstand the harshest conditions, it offers steadfast durability and unwavering performance.;
4-G3/4; Designed with advanced connectivity, this component provides unparalleled control and seamless integration. Its sophisticated architecture elevates system efficiency, enhancing overall operational prowess with elegance.;
5, 55-G1; Engineered for exceptional flow in high-demand scenarios, this component ensures consistent, robust performance. Crafted for excellence, it effortlessly tackles high-pressure challenges with precision and ease.;
6-G1 1/4; Built for extraordinary performance, this component excels in the most challenging environments. Designed to surpass expectations, it sets new benchmarks in power and capability, handling demanding tasks with effortless superiority.;
(3) Additional Components and Specifications - Propel your system capabilities into the future with cutting-edge components that redefine operational excellence. These advanced specifications unlock unprecedented levels of performance, transforming your operations into an industry benchmark of success.:
C,Standard Type - The bedrock of reliability, crafted with precision to meet essential operational demands. This component provides unwavering support and unmatched reliability, empowering your system to achieve its utmost potential.;
G,Throttle Valve (For HLPSL only) - Elevate your system's efficiency with precision control. This valve fine-tunes operations for maximum effectiveness, ensuring each component works in harmony for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Master flow management with this valve, driving outstanding performance and reliability. Surpassing conventional limits, it consistently delivers exceptional 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: Harness the pinnacle of efficiency with our maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow rate is meticulously crafted to deliver unmatched performance and unwavering reliability, ensuring your hydraulic system operates at its optimum capacity.
(12) Secondary Pressure Limitation Options: Embrace exceptional safety and reliability with our precision-engineered pressure limitation options, calibrated in bar for your assurance. Choose 'N' for basic tasks without pressure limiting protection. Opt for 'C' when synchronized pressure limitation on actuator ports A & B is required, ensuring steady performance. Select 'A---B---' for custom, independent control of ports A and B, meticulously designed to uphold system integrity and secure, efficient operations.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational success with our customizable options crafted for superior performance. For simple tasks, select 'N' without ON/OFF or pressure outlet needs. Choose 'X' with C type pressure limitation for demanding processes, or 'S/S1' with AB type for greater control. For electric precision, select 'A' for ON/OFF on side A or 'B' for side B, each option crafted for maximum precision, efficiency, and operational excellence.
(14) Operation Modes: Discover our wide range of operation modes tailored for exceptional versatility and accuracy. 'A(1,2)' offers manual control with a choice of handle lengths for ergonomic comfort. 'E' provides sophisticated electric proportional control, with 'EA(1,2)' blending manual and electric for optimal versatility. 'D' features electric switching value control, enhanced by 'DA(1,2)' for manual adjustments. Select 'M' for skilled manual friction positioning with a long handle. For hydraulic functions, 'H' and 'F' offer unique pilot oil port designs, aligned or perpendicular, granting comprehensive system command.
(15) Ancillary Block Port Sizes: Enhance adaptability and efficiency with our precisely engineered port size choices: /2 G3/8, /3 G1/2, /4 G3/4, /5 G1. Each option promises seamless integration, maximizing performance across various systems and demands, ensuring peak system readiness.
(16) End Plate Options: Explore our precision-engineered end plate solutions, crafted for peak functionality and adaptability. 'E1' delivers external discharge of pilot oil and oil return control port T. 'E2' offers expanded capabilities with an extra port Y for greater flexibility. 'E3' is designed for top-tier performance with a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when engaged, ensuring premium functionality and reliability.
E4 mirrors 'E1', featuring state-of-the-art internal pilot oil discharge and a sealed port T for optimized efficiency. 'E5' combines 'E2's robustness with internal discharge for enhanced performance. 'E6' embodies 'E3's advanced design, offering sophisticated discharge control for demanding system needs, ensuring your system remains at the pinnacle of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our robust and versatile voltage options, such as the G12-12VDC, designed for safety and reliability in even the toughest environments. Our solutions ensure system stability and performance are consistently maintained, tailored to meet any application with precision and security.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.