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 - Experience the epitome of engineering with this pump, the keystone of superior performance. It promises an uninterrupted and smooth operation, turning your system into a masterpiece of precision. Trust in its consistent reliability to elevate your machinery's capabilities to unparalleled heights.;
HLPSV: Variable Displacement Pump - Embrace the future of versatility and cutting-edge technology with this pump. Designed for exceptional adaptability, it seamlessly adjusts to any operational need. Its innovative design ensures your system remains ahead in performance, offering fluid transitions and remarkable control.;
(2) Connection Block Ports P & R Specifications - Witness the union of precision and reliability creating a formidable operational structure. These meticulously formulated specifications assure faultless performance, providing unwavering dependability across all applications, laying a solid groundwork for unrivaled success.:
2-G3/8; This compact marvel is crafted for precision, maximizing operational efficiencies in limited spaces. Its design guarantees exceptional performance, flawlessly integrating functionality into constrained environments.
3-G1/2; Built to endure, this robust component is the cornerstone of your system's strength and reliability. Engineered to excel under high-stress conditions, it ensures steadfast durability and remarkable performance.;
4-G3/4; With its advanced connectivity, this component offers unrivaled control and integration. Its sophisticated design enhances system efficiency, driving overall operational excellence with precision.;
5, 55-G1; Mastering the art of delivering superior flow rates for demanding situations, this component is designed for consistent, powerful performance. It adeptly manages high-pressure challenges, ensuring excellence at every turn.;
6-G1 1/4; Distinguished by its extraordinary performance, this component thrives in challenging environments. Crafted to exceed, it establishes new standards of power and capability, effortlessly handling rigorous tasks.;
(3) Additional Components and Specifications - Propel your system to new heights with components that define operational superiority. These state-of-the-art specifications unlock unprecedented performance, transforming your operations into a model of success.:
C,Standard Type - A steadfast foundation, precisely designed to fulfill essential operational needs. This component provides steadfast support and unmatched reliability, enabling your system to reach its zenith.;
G,Throttle Valve (For HLPSL only) - Fine-tune your system's control with this valve, enhancing efficiency to its peak. It harmonizes operations, ensuring every component works seamlessly together for optimal outcomes.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve sets new standards in flow management, consistently delivering superior performance and dependability. It surpasses the ordinary, achieving remarkable results effortlessly.;
(4) Pilot Oil Circuit Pressure Options - Unlock unrivaled power with bespoke pressure control solutions crafted for an array of applications. These expertly tailored options ensure impeccable precision and synchronization with your operational aspirations, elevating performance to new pinnacles.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Introducing ingeniously engineered solutions that seamlessly blend with your distinctive operational requirements. Revel in customizable setups that enable you to attain your intended results effortlessly and with flawless precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhance your system's efficiency and command: Skillfully crafted to augment system performance, delivering unparalleled control and transformative effectiveness that redefines your operational potential.C - No magnetic ball valve; F - Normally open magnetic ball valve, energizes pump when powered, disengages when unpowered; D - Normally closed magnetic ball valve, disengages pump when powered, energizes when unpowered. Fine-tuning for unmatched system efficiency and adaptability.D/F - Introducing a state-of-the-art, precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with pristine precision to maintain a designated pressure value, remarkably enhancing safety measures and optimizing operational security and reliability beyond conventional limits.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the zenith of versatility and precision with adjustable settings from 63 to 400 bar levels. This component symbolizes adaptability, seamlessly meeting every hydraulic demand. The /NF configuration offers systems without a pressure limiting valve, masterfully crafted for HLPSV, ensuring unparalleled pressure control for varied applications with ultimate accuracy.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a testament to design mastery, intricately crafted to address every application, ensuring a product that harmonizes perfectly 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 impeccable and seamless integration, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Select from an expansive 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 providing precision and exceptional efficiency, customized to your unique needs.
(10) Valve core function symbols: Delve into a broad spectrum of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill specific functional requirements with unparalleled precision and reliability.
(11) Output flow code for ports A & B: Attain peak efficiency with accessible maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for supreme performance and steadfast dependability.
(12) Secondary Pressure Limitation Options: Experience unparalleled safety and reliability with our expertly engineered pressure limitation options, precisely calibrated in bar for your peace of mind. Select 'N' for operations without pressure limiting protection for straightforward tasks. Opt for 'C' when simultaneous pressure limitation on actuator ports A & B is essential, ensuring consistent performance. For tailored and independent control, choose 'A---B---', offering specialized management of ports A and B. Each option is meticulously designed to uphold the highest standards of system integrity, ensuring your operations remain secure and efficient.
(13) Function ON/OFF and Pressure Outlet Options: Amplify your operational excellence with an array of customizable options tailored for peak performance. For straightforward operations, select 'N', which features no function ON/OFF or pressure outlet requirements. If your process demands enhanced control, 'X' paired with C type pressure limitation is ideal, or choose 'S/S1' with AB type pressure limitation for superior oversight. For electrical precision, opt for 'A' for ON/OFF functionality on side A or 'B' for side B. Each option is meticulously crafted to ensure maximum precision, efficiency, and operational excellence.
(14) Operation Modes: Explore our diverse range of operation modes, each meticulously designed for unmatched versatility and precision. 'A(1,2)' offers manual operation with the option of a long or short handle, catering to your specific ergonomic needs. 'E' provides advanced electric proportional control, while 'EA(1,2)' combines this with manual operation for optimal adaptability and responsiveness. 'D' offers electric switching value control, complemented by 'DA(1,2)' for manual enhancements. Choose 'M' for expert manual friction positioning with a long handle. For purely hydraulic operations, 'H' and 'F' provide unique pilot oil port designs, either aligned or perpendicular, ensuring comprehensive control and mastery over your system.
(15) Ancillary Block Port Sizes: Elevate adaptability and performance with our meticulously engineered port size options. Select from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to promise seamless system integration. Each choice is designed for unmatched adaptability, delivering peak performance across varying systems and operational demands, ensuring your system is always at its best.
(16) End Plate Options: Discover our expertly crafted end plate solutions, each designed to meet the highest standards of functionality and adaptability. 'E1' sets the standard with its external discharge of pilot oil and oil return control port T. 'E2' expands your capabilities with an additional port Y, offering enhanced flexibility. 'E3' is engineered for advanced performance with a 2-position, 3-way magnetic ball valve, enhancing system pressure to safety valve levels when activated, ensuring superior functionality and reliability.
E4 mirrors 'E1', featuring cutting-edge internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' incorporates the robust features of 'E2' with internal discharge for superior system performance. 'E6' encapsulates the sophisticated design of 'E3', offering advanced discharge control, perfect for the most demanding system requirements, ensuring your system is always at the forefront of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Select from our robust and secure voltage options, including the G12-12VDC, expertly designed for safety and reliability even in the most challenging environments. Our offerings provide specialized solutions and security tailored to any application, ensuring 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 brilliantly 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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