Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves-engineering marvels that stand at the pinnacle of hydraulic innovation. These valves harmoniously bring together pressure, flow, and directional control into one exemplary system, ensuring exceptional performance and unwavering reliability in a multitude of applications. Crafted with precision from three vital functional modules-connecting blocks, directional valves, and end plates-these valves integrate seamlessly into sophisticated hydraulic systems, a critical component for elite engineering machinery. They expertly regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key features include a compact design, superior energy efficiency, and the ability for stepless speed control. Moreover, they support the simultaneous operation of multiple actuators under various loads, delivering remarkable performance and versatility for any application.
The HLPSL valves are meticulously crafted for constant displacement pump systems, ensuring consistent and dependable operation in any environment. On the other hand, the HLPSV valves are ingeniously designed for variable pump systems. While HLPSV valves may have a slightly slower response, they exhibit outstanding energy-saving performance, making them the ideal choice where efficiency is paramount. With their cutting-edge engineering and energy-conscious design, HLPSV valves are the premier solution for advanced hydraulic control needs, offering an impeccable combination 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 cornerstone of steadfast excellence, this pump ensures a consistently smooth workflow, transforming your system into a masterpiece of engineering finesse. Experience unrivaled reliability and empower your machinery to operate with exceptional precision and unwavering consistency.;
HLPSV: Variable Displacement Pump - An epitome of adaptability and innovation, this pump showcases remarkable flexibility to meet a diverse range of operational needs. Its pioneering design enables seamless transitions and unparalleled control, positioning your system at the pinnacle of performance excellence.;
(2) Connection Block Ports P & R Specifications - Where accuracy unites with trustworthiness to create a sturdy operational framework. With precision-crafted details, these specifications promise flawless performance and heightened reliability across all applications, laying a steadfast foundation for success.:
2-G3/8; This design exemplifies compact expertise, supporting streamlined operational efficiencies with remarkable precision. Expertly engineered for space-constrained environments, it delivers superior performance without any compromise.
3-G1/2; Engineered for exceptional strength and reliability, this component serves as a formidable backbone for your system's endurance. Built to withstand challenging conditions, it offers steadfast durability and consistent performance.;
4-G3/4; Featuring advanced connectivity, this component provides unmatched control and seamless integration. Its refined design boosts system efficiency, enhancing overall operational capability with remarkable finesse.;
5, 55-G1; Delivering exceptional flow rates for high-demand scenarios, this component ensures robust and consistent performance. Designed for excellence, it seamlessly addresses high-pressure challenges with ease and precision.;
6-G1 1/4; Offering extraordinary performance, this component thrives in challenging environments. Engineered to exceed expectations, it sets new benchmarks in power and capability, tackling demanding tasks with effortless grace.;
(3) Additional Components and Specifications - Amplify your system capabilities with state-of-the-art components that redefine operational excellence. These advanced specifications unlock new dimensions of performance, transforming your operations into a paragon of success.:
C,Standard Type - A reliable foundation, meticulously crafted to meet critical operational demands. This component provides unwavering support and unmatched reliability, empowering your system to reach its utmost potential.;
G,Throttle Valve (For HLPSL only) - Achieve unparalleled precision control to enhance your system's efficiency. This valve fine-tunes operations for peak effectiveness, ensuring seamless harmony and optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve optimizes flow management, driving exceptional performance and reliability. Surpassing traditional limits, it consistently delivers outstanding results.;
(4) Pilot Oil Circuit Pressure Options - Unleash unparalleled power with bespoke pressure control solutions tailored for diverse applications. Meticulously crafted to meet your precise specifications, these options offer unmatched accuracy and alignment with your strategic operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Presenting bespoke solutions seamlessly integrated with your unique operational demands. Experience customizable configurations that empower you to achieve desired outcomes effortlessly and with pinpoint precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Transform your system's efficiency and control: Expertly designed to enhance your system's performance, providing exceptional control and remarkable effectiveness, revolutionizing your operational capacity.C - No magnetic ball valve; F - Normally open magnetic ball valve, engages pump upon powering, releases when unpowered; D - Normally closed magnetic ball valve, releases pump when powered, engages when unpowered. Precision tuning delivering unmatched system efficiency and adaptability.D/F - Introducing a pioneering, meticulously engineered pressure limiting valve for secondary pressure (F50). This masterpiece in engineering is crafted with immaculate precision, maintaining a specifically designated pressure value, significantly elevating advanced safety measures and optimizing operational security and reliability to unparalleled levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Delight in ultimate versatility and precision with adjustable settings from 63 to 400 bar levels. This component epitomizes adaptability, seamlessly fulfilling every hydraulic requirement. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, delivering unmatched pressure control for diverse applications with supreme accuracy.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series exemplifies a masterclass in design, skillfully tailored to address every application, ensuring you acquire a product that seamlessly integrates with your specific requirements, consistently delivering 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 integration, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Choose 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 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: Unleash the pinnacle of efficiency with our state-of-the-art output flow technology. Offering maximum output flows of 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each setting is expertly crafted for supreme performance and unwavering reliability. Elevate your operations to new heights with precision-engineered solutions designed for optimal efficiency.
(12) Secondary Pressure Limitation Options: Elevate your safety and reliability standards with our precision-engineered pressure limitation solutions. These options are expertly calibrated in bars, offering unparalleled peace of mind. Choose 'N' for operations without pressure limiting protection, ideal for straightforward tasks. For simultaneous pressure limitation on actuator ports A & B, select 'C', ensuring consistent, reliable performance. For tailored control, opt for 'A---B---', providing specialized management of ports A and B. Each option is crafted to uphold the highest standards of system integrity, maximizing security and operational efficiency.
(13) Function ON/OFF and Pressure Outlet Options: Maximize your operational excellence with our range of customizable options designed for peak efficiency. For straightforward processes, 'N' offers no function ON/OFF or pressure outlet requirements. For enhanced control, 'X' paired with C type pressure limitation is ideal, while 'S/S1' with AB type pressure limitation offers superior oversight. For precise electrical control, select 'A' for ON/OFF functionality on side A or 'B' for side B. Each option is meticulously crafted for maximum precision and operational excellence.
(14) Operation Modes: Discover our comprehensive selection of operation modes, each engineered for unparalleled versatility and precision. 'A(1,2)' provides manual operation with long or short handle options to suit ergonomic preferences. 'E' offers advanced electric proportional control, while 'EA(1,2)' combines electric and manual operations for ultimate adaptability. 'D' delivers electric switching value control, enhanced by 'DA(1,2)' for added manual precision. Choose 'M' for expert manual friction positioning. For hydraulic operations, 'H' and 'F' offer unique pilot oil port designs, ensuring total control and mastery over your system.
(15) Ancillary Block Port Sizes: Enhance your system's adaptability and performance with our expertly engineered port size options. Available choices include /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, each ensuring seamless system integration. These options deliver unparalleled adaptability and peak performance across diverse systems and operational demands, keeping your system at its best.
(16) End Plate Options: Explore our advanced end plate solutions, each crafted to meet exceptional standards of functionality and adaptability. 'E1' provides external discharge of pilot oil and control port T. 'E2' enhances capabilities with an additional port Y for increased flexibility. 'E3' is engineered for top-tier performance with a 2-position, 3-way magnetic ball valve, ensuring system pressure reaches safety valve levels when activated for superior reliability and functionality.
E4 mirrors 'E1', featuring cutting-edge internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' combines 'E2's robustness with internal discharge, enhancing system performance. 'E6' encapsulates 'E3's sophisticated design for advanced discharge control, perfect for demanding system requirements, ensuring efficiency and sophistication are always at the forefront.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure and robust voltage options, including the G12-12VDC, designed to maintain safety and reliability even in challenging environments. With specialized solutions and security measures tailored to any application, ensure 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 emerged as a luminary in the hydraulic industry, shining brightly with its relentless pursuit of groundbreaking innovation and unparalleled excellence. As a distinguished subsidiary of the prestigious China Baoan Group (stock code: 000009), we proudly bear the mantle of a national high-tech enterprise, exemplifying our unwavering dedication to pioneering technological advancements and upholding superior quality standards. Our remarkable expertise spans across comprehensive research, cutting-edge development, precision manufacturing, and strategic marketing of top-tier hydraulic components. Revered across the nation as a 'specialized, refined, and innovative' small giant enterprise, we remain unwavering in our commitment to continuously elevate our standards of excellence, further cementing our position as leaders in the industry.
At the core of our pioneering product lineup is our flagship innovation: the Enhanced Safety Atex Valve. This marvel of modern engineering epitomizes state-of-the-art hydraulic system control, meticulously designed 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 accelerates 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 dedicated 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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