Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels represent the pinnacle of hydraulic innovation, expertly combining pressure, flow, and directional control into one exceptional, unified system. This remarkable integration guarantees unparalleled performance and reliability across a broad spectrum of applications. Meticulously crafted from three essential functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves seamlessly integrate into high-end hydraulic systems, essential for elite engineering machinery. They adeptly control the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unrivaled precision and control. Key features include a compact design, superior energy efficiency, and the capability for stepless speed control. Moreover, they enable the simultaneous operation of multiple actuators under various loads, providing extraordinary performance and versatility for any application.
The HLPSL valves are meticulously engineered for constant displacement pump systems, ensuring unwavering and dependable operation in any environment. On the other hand, the HLPSV valves are ingeniously tailored for variable pump systems. While HLPSV valves may experience a slightly slower response, they excel in delivering remarkable energy-saving performance, making them the quintessential choice where efficiency is paramount. With their state-of-the-art engineering and energy-efficient design, HLPSV valves distinguish themselves as the premier solution for advanced hydraulic control needs, offering an impeccable fusion 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 - The bedrock of steadfast engineering, this pump ensures a seamless and consistent operational flow, stabilizing your system into a pinnacle of precision mechanics. Experience unmatched reliability and empower your equipment to perform with absolute accuracy.;
HLPSV: Variable Displacement Pump - An epitome of versatility and modernity, this pump delivers exceptional adaptability to address varied operational needs. With its cutting-edge design, it facilitates smooth transitions and unrivaled control, ensuring your system remains at the forefront of innovation.;
(2) Connection Block Ports P & R Specifications - Where meticulous precision meets unwavering reliability to establish a solid operational framework. Crafted to perfection, these specifications assure flawless performance and enhanced dependability in every application, forming an unwavering base for success.:
2-G3/8; This design represents compact efficiency, fostering streamlined operational effectiveness with accuracy. Expertly crafted for confined spaces, it promises exceptional performance without compromise.
3-G1/2; Constructed for resilience and reliability, this component is the backbone for your system's durability. Designed to endure demanding conditions, it provides consistent durability and performance.;
4-G3/4; Featuring state-of-the-art connectivity, this component ensures unparalleled control and integration. Its sophisticated design enhances system efficiency, boosting overall operational capability with elegance.;
5, 55-G1; Delivering outstanding flow rates for high-demand scenarios, this component guarantees steady, robust performance. Engineered for excellence, it effortlessly meets high-pressure challenges with precision.;
6-G1 1/4; Providing extraordinary performance, this component excels in tough environments. Designed to exceed expectations, it sets new standards in power and capability, effortlessly managing demanding tasks.;
(3) Additional Components and Specifications - Elevate your system's capabilities with state-of-the-art components that redefine operational excellence. These advanced specifications unlock new performance levels, transforming your operations into a benchmark of success.:
C,Standard Type - A dependable foundation, meticulously crafted to meet crucial operational needs. This component offers steadfast support and unmatched reliability, empowering your system to reach its maximum potential.;
G,Throttle Valve (For HLPSL only) - Achieve precise control to boost your system's efficiency. This valve fine-tunes operations for maximum efficiency, ensuring every component harmonizes for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve optimizes flow management, delivering exceptional performance and reliability. Exceeding standard limits, it provides extraordinary results consistently.;
(4) Pilot Oil Circuit Pressure Options - Experience the extraordinary power of customized pressure control solutions, perfectly tailored for a wide array of applications. These meticulously crafted options offer exceptional precision, ensuring they meet your exact operational objectives with unmatched accuracy and alignment.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Introducing bespoke-engineered solutions that flawlessly integrate with your specific operational requirements. Relish in customizable configurations that enable you to achieve your desired outcomes effortlessly and with unparalleled precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Propel your system's efficiency and control to unprecedented heights: Expertly designed to enhance system performance, offering unrivaled control and extraordinary effectiveness that transforms 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 delivers exceptional system efficiency and adaptability.D/F - Unveiling an advanced, impeccably precision-engineered pressure limiting valve for secondary pressure (F50). This marvel of engineering upholds a precisely designated pressure value, significantly enhancing advanced safety protocols while optimizing operational security and reliability to unparalleled levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embrace the ultimate in versatility and precision with adjustable settings from 63 to 400 bar levels. This component stands as a beacon of adaptability, seamlessly meeting every hydraulic demand. The /NF configuration provides systems without a pressure limiting valve, expertly designed for HLPSV, ensuring unmatched pressure control across diverse applications with supreme accuracy.
(7) Product Series Classification - The Epitome of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series embodies a pinnacle of design, meticulously crafted to address every application, ensuring you receive a product that seamlessly aligns with your specific needs, delivering consistently superior 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, precisely engineered for flawless and seamless integration, guaranteeing optimal efficiency.
(9)Directional valve block inflow controller options: Select from a comprehensive 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 requirements.
(10) Valve core function symbols: Delve into a vast collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill specific functional requirements with unmatched precision and reliability.
(11) Output flow code for ports A & B: Attain the pinnacle of hydraulic efficiency with our meticulously crafted output flows, available in: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow rate is engineered for supreme performance and unwavering reliability, ensuring your operations reach their full potential without compromise.
(12) Secondary Pressure Limitation Options: Embrace unmatched safety and performance with our finely-tuned pressure limitation choices, each precisely calibrated in bar for assured peace of mind. Choose 'N' for straightforward operations without added pressure limiting protection. Opt for 'C' when seamless pressure control on actuator ports A & B is necessary, guaranteeing reliable performance. For tailored precision, select 'A---B---' for individualized control over ports A and B. Every option is scrupulously engineered to uphold the zenith of system integrity, guaranteeing your operations remain robust and efficient.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational prowess with a range of customizable options crafted for maximum performance. For basic operations, choose 'N' for no function ON/OFF or pressure outlet prerequisites. When enhanced control is required, 'X' with C type limitation or 'S/S1' with AB type limitation offers superior oversight. For precision in electrical control, select 'A' for ON/OFF on side A or 'B' on side B. Every option is meticulously fashioned to deliver ultimate precision, efficiency, and operational supremacy.
(14) Operation Modes: Discover our diverse array of operation modes, each crafted with precision for unparalleled versatility. 'A(1,2)' gives you manual control with ergonomic handle options. 'E' provides cutting-edge electric proportional control, while 'EA(1,2)' combines it with manual capabilities for adaptability. 'D' introduces electric switching value control, enhanced by 'DA(1,2)' for manual finesse. Opt for 'M' for manual friction positioning with a long handle. 'H' and 'F' offer unique hydraulic operations, with pilot oil port designs, ensuring extensive control and system mastery.
(15) Ancillary Block Port Sizes: Enhance your system's versatility and performance with our thoughtfully designed port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, each promising seamless integration and peak performance across diverse systems and operational needs, ensuring your setup is always operating at its optimum.
(16) End Plate Options: Explore our sophisticated end plate solutions, crafted to the highest functional and adaptable standards. 'E1' provides external discharge of pilot oil with oil return control port T. 'E2' elevates functionality with an additional port Y for greater flexibility. 'E3' delivers advanced performance through a 2-position, 3-way magnetic ball valve, achieving safety valve pressure levels when engaged for unparalleled reliability.
E4 mirrors 'E1', offering advanced internal discharge of pilot oil with a sealed port T for peak efficiency. 'E5' merges the strengths of 'E2' with internal discharge for enhanced system performance. 'E6' embodies the sophisticated design of 'E3', providing refined discharge control for the most demanding requirements, ensuring your system remains at the forefront in efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our durable and secure voltage selections, featuring the G12-12VDC, crafted for reliability and safety in even the harshest environments. Our options deliver specialized solutions and security tailored to any application, ensuring your system's stability and performance remain uncompromised.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.
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