Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels epitomize the zenith of hydraulic innovation, artfully merging pressure, flow, and directional control into a singular, cohesive masterpiece. This ensures unrivaled performance and reliability across every application. Typically composed of three critical functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are designed for seamless integration into premium hydraulic systems, pivotal for superior engineering machinery. They meticulously manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Key highlights include a compact structure, exceptional energy efficiency, and the capability for stepless speed control. Moreover, they empower multiple actuators to operate concurrently under varying loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are meticulously designed for constant displacement pump systems, ensuring steadfast and reliable operation in any environment. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves may exhibit a slightly slower response, they excel in delivering remarkable energy-saving performance, making them the optimal choice for scenarios where efficiency is paramount. With their state-of-the-art engineering and energy-efficient design, HLPSV valves are the premier solution for advanced hydraulic control needs, providing an ideal 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 - The backbone of reliability, this pump is the epitome of unwavering performance. It ensures your machinery operates with the precision of a well-oiled system. Enjoy unmatched dependability that drives smooth and proficient operations throughout your system.;
HLPSV: Variable Displacement Pump - A paradigm of adaptability and versatility, this pump provides exceptional flexibility to address a diverse range of operational needs. Designed to accommodate evolving demands, it enables seamless transitions and optimal control.;
(2) Connection Block Ports P & R Specifications - Where precision intersects with reliability, forging a dependable operational framework. Crafted with meticulous precision, these specifications ensure flawless performance, boosting reliability across every application.:
2-G3/8; Masterfully engineered for compact proficiency, this supports streamlined and seamless operational efficiencies. Ideal for precision in confined spaces, it ensures outstanding performance at every turn.
3-G1/2; Built for robustness and reliability, this provides a solid foundation for your system's integrity. Designed to endure, it offers steadfast durability even in the most challenging conditions.;
4-G3/4; Featuring advanced connectivity for superior control, it enhances system integration. By merging sophistication with efficiency, it elevates your system's operational capabilities.;
5, 55-G1; Delivering superior flow rates suited for high-demand applications, it guarantees consistent and reliable performance, effortlessly handling high-pressure challenges.;
6-G1 1/4; Offers unparalleled performance, expertly engineered to excel even in the most demanding environments. Setting new benchmarks in power and performance.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented levels, these components redefine operational excellence and unlock your system's full potential.:
C,Standard Type - A dependable and trusted foundation, designed with meticulous care to meet core operational requirements, offering unwavering support and unmatched reliability.;
G,Throttle Valve (For HLPSL only) - Ensuring precision control, it enhances your system's overall efficiency, finely tuning operations for maximum effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving performance and dependability beyond conventional limits to achieve extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Offering personalized pressure control solutions for varied applications, these options are tailored to your specific requirements, ensuring precision control that aligns perfectly with your operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Revel in our custom-engineered solutions, crafted to perfectly meet your operational demands. Enjoy customizable setups that ensure exceptional results with precision and ease.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Redefining efficiency and control: Expertly designed to elevate your system's performance, providing unparalleled control and offering superior effectiveness that transforms operational capabilities.C - No magnetic ball valve; F - Normally open magnetic ball valve, energizing the pump under power, unloading when unpowered; D - Normally closed magnetic ball valve, unloading under power, pressurizing when unpowered. Delivering precision-tuned solutions for optimal system efficiency and versatility.D/F - Presenting a state-of-the-art, precision-engineered pressure limiting valve for secondary pressure (F50). This engineering feat is crafted with extraordinary precision to maintain specific pressure values, significantly enhancing advanced safety protocols and optimizing operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the pinnacle of versatility and precision with adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, seamlessly meeting every hydraulic requirement. The /NF configuration offers systems without a pressure limiting valve, expertly designed for HLPSV, delivering unmatched pressure control across varied applications with supreme accuracy.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterclass in design, exquisitely conceived to cater to every application, ensuring you procure a product that seamlessly aligns with your specific requirements, delivering consistently outstanding performance.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously designed for flawless and seamless 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, specifically for the N 3/3-way valve; 5, enhanced inflow controller. Experience pre-selectable options, each offering precision and exceptional efficiency, tailored to your specific needs.
(10) Valve core function symbols: Explore a vast array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements with unmatched precision and reliability.
(11) Output flow code for ports A & B: Achieve peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for supreme performance and unwavering dependability.
(12) Secondary Pressure Limitation Options: Strategically choose from our tailored offerings: 'N' for no pressure limiting, 'C' for concurrent limitation of actuator ports A & B, or 'A---B---' for independent limitation of ports A & B. Each option is precisely measured in bar, ensuring unparalleled safety and reliability of your system.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational capabilities with our customizable features. 'N' offers a basic setup without function ON/OFF or pressure outlet. 'X' adds C type pressure limitation, while 'S/S1' provides AB type pressure limitation for refined control. Opt for 'A' for electrical ON/OFF on side A, or 'B' for side B, each engineered for exceptional precision and functionality.
(14) Operation Modes: Discover a diverse range of operation modes designed for ultimate versatility and precision. 'A(1,2)' facilitates manual operation with long or short handle options. 'E' offers electric proportional control, complemented by 'EA(1,2)' which combines it with manual operation for enhanced flexibility. 'D' delivers electric switching value control, while 'DA(1,2)' incorporates manual operation. 'M' is perfect for manual friction positioning with a long handle. 'H' and 'F' provide hydraulic control with pilot oil ports skillfully aligned or perpendicular, ensuring reliable comprehensive control.
(15) Ancillary Block Port Sizes: Experience exceptional adaptability with our precision-crafted port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1. Each selection is engineered for perfect integration and adaptability, guaranteeing peak performance across a wide range of systems.
(16) End Plate Options: Discover our precisely engineered end plate solutions. 'E1' is the standard, featuring an external discharge of pilot oil and an oil return control port T. 'E2' offers an additional port Y for increased flexibility, while 'E3' integrates a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels upon activation, ensuring superior performance.
'E4', echoing 'E1', introduces an innovative internal discharge of pilot oil with a sealed port T for enhanced efficiency. 'E5' mirrors the advanced features of 'E2' with internal discharge for optimal performance. 'E6' embodies the sophisticated design of 'E3', providing advanced discharge control for the most demanding system needs.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure, reliable range, including G12-12VDC, engineered for safety and dependability in even the most challenging conditions. Our options are crafted to offer specialization 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 commitment to innovation and unparalleled excellence. As a proud and prestigious subsidiary of the revered China Baoan Group (stock code: 000009), we stand tall as a national high-tech enterprise, a testament to our unwavering dedication to technological progression and superior quality standards. Our unparalleled expertise encompasses the meticulous research, pioneering development, precise manufacturing, and strategic sales of premium hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we remain steadfast in our pursuit of excellence, reinforcing our leadership position in the field.
At the heart of our product line stands the flagship innovation: the Enhanced Safety Atex Valve. This masterpiece of modern engineering embodies the zenith of cutting-edge hydraulic system control, meticulously crafted for deployment in construction machinery and robust heavy-duty equipment. It plays a vital role in imperative applications ranging from emergency rescue operations to tunnel engineering, mining endeavors, and the deployment of municipal service vehicles. We are profoundly committed to our strategic alliances with leading domestic manufacturers, propelling the advancement of core hydraulic component localization for high-end mechanical equipment. Anchored by our guiding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering in our quest to deliver exceptional products, unparalleled services, and innovative solutions. With a vision to emerge as a globally trusted supplier of premier hydraulic components, we continually aspire 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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