Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels represent the pinnacle of hydraulic innovation, skillfully combining pressure, flow, and directional control into a singular, cohesive masterpiece. This ensures unmatched 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 high-end 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 various 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 emerge as 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 and performance, this pump assures consistent and smooth operations, making your system run seamlessly. Trust in its unmatched dependability to keep your machinery functioning at peak efficiency.;
HLPSV: Variable Displacement Pump - A testament to adaptability and versatility, this pump excels with exceptional flexibility, catering to a wide range of operational scenarios. Engineered for evolving needs, it ensures seamless transitions and superior control.;
(2) Connection Block Ports P & R Specifications - Precision and reliability unite to create a steadfast operational foundation: Crafted with meticulous precision for flawless performance, ensuring reliability in every application.:
2-G3/8; Engineered for compact excellence, designed to support streamlined and efficient operations. It ensures outstanding performance even in the tightest spaces with impeccable precision.
3-G1/2; Built for robustness and reliability, offering a sturdy foundation for system integrity. It stands strong to deliver enduring durability in the toughest conditions.;
4-G3/4; Equipped with advanced connectivity, providing superior control and system integration. It blends sophistication with efficiency to enhance your system's operational capabilities.;
5, 55-G1; Designed for superior flow rates, perfect for high-demand scenarios, ensuring consistent and reliable performance. Built for excellence, it effortlessly handles high-pressure challenges.;
6-G1 1/4; Delivering unmatched performance, meticulously crafted to excel in demanding environments and face challenges with ease. It sets new benchmarks in power and performance.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented levels: Harness the full potential of your operations with advanced components that redefine excellence.:
C,Standard Type - A dependable and solid foundation, carefully crafted to meet essential operational demands. It provides consistent support and unparalleled reliability to empower your system.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, boosting the overall efficiency of your system. It ensures that your operations are precisely in tune for optimal effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unmatched performance and reliability. It goes beyond standard limits to deliver exceptional results.;
(4) Pilot Oil Circuit Pressure Options - Providing custom pressure control solutions for diverse needs: Tailored to your specific requirements, offering precision control that aligns perfectly with your operational ambitions.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Experience the pinnacle of engineering finesse with our bespoke solutions, tailored precisely to your operational imperatives. Bask in the versatility of customizable configurations designed to deliver your desired results with effortless precision and unparalleled efficiency.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your operational prowess: Masterfully crafted to enhance your system's performance, offering unrivaled control and exceptional effectiveness that revolutionizes your operational capabilities.C - No magnetic ball valve; F - Normally open magnetic ball valve, activates pump pressurization when powered and enables unloading when unpowered; D - Normally closed magnetic ball valve, provides pump unloading when powered and initiates pressurization when unpowered. Experience precision refinement for unmatched system efficiency and adaptability.D/F - Presenting a groundbreaking, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This feat of engineering is crafted with exquisite accuracy to uphold a specifically defined pressure value, dramatically elevating advanced safety measures and optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embrace the ultimate in adaptability and precision with adjustable settings spanning from 63 to 400 bar levels. This component epitomizes versatility, seamlessly meeting every hydraulic requirement. The /NF configuration is perfectly suited for systems without a pressure limiting valve, meticulously crafted for HLPSV, ensuring unmatched pressure control across diverse 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 paragon of design, skillfully crafted to cater to every application, ensuring you acquire a product that integrates seamlessly with your specific needs, providing 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 auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly engineered for flawless and seamless integration, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Choose from a comprehensive suite 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. Revel in pre-selectable options, each designed to deliver precision and exceptional efficiency, customized to your specific requirements.
(10) Valve core function symbols: Explore an extensive array 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: 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: Discover a range of meticulously crafted options tailored to optimize your system's safety and reliability. Select 'N' for systems without pressure limiting protection, 'C' for concurrent pressure limitation at actuator ports A & B, or 'A---B---' for independent pressure control for ports A & B. Each choice is precisely gauged in bar, ensuring your hydraulic operations maintain peak performance and unwavering dependability.
(13) Function ON/OFF and Pressure Outlet Options: Transform your operational capabilities with our bespoke selections. Opt for 'N' if you desire a refined and streamlined setup without function ON/OFF or pressure outlets. Choose 'X' for C type pressure limitation or 'S/S1' for AB type pressure limitation, enhancing your control and system responsiveness. For precision-engineered electrical configuration, 'A' provides ON/OFF control on side A, while 'B' offers electrical ON/OFF on side B, each option executed with unparalleled precision and functionality.
(14) Operation Modes: Delve into a comprehensive array of operation modes, each crafted for unmatched versatility and precision. With 'A(1,2)', enjoy manual operation with either a long or short handle. 'E' introduces electric proportional control, while 'EA(1,2)' harmonizes electric and manual operations for supreme flexibility. 'D' delivers electric switching value control, with 'DA(1,2)' enhancing it with manual operation features. 'M' specializes in manual friction positioning using a long handle. Explore the pure hydraulic control of 'H' and 'F', with pilot oil ports strategically aligned or perpendicular, ensuring all-encompassing system mastery.
(15) Ancillary Block Port Sizes: Experience unmatched adaptability with our expertly fashioned port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, each meticulously designed for seamless integration and adaptability, guaranteeing optimal performance across diverse system configurations and applications.
(16) End Plate Options: Discover our meticulously engineered end plate solutions. 'E1' offers a standard with external pilot oil discharge and oil return control port T. 'E2' enhances versatility with an additional port Y, while 'E3' elevates the system with a 2-position, 3-way magnetic ball valve, propelling system pressure to secure safety valve levels upon activation, thereby ensuring superior performance and protection.
E4, emulating 'E1', introduces an innovative internal discharge of pilot oil with a sealed port T, augmenting efficiency. 'E5' mirrors the robust features of 'E2' with an internal discharge for peak performance. 'E6' encapsulates the refined design of 'E3', offering advanced discharge control for the most sophisticated system needs, ensuring unparalleled efficiency and precision.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our range of secure and reliable solutions, including the G12-12VDC, crafted to ensure safety and dependability even in the most demanding environments. Our options are designed to offer specialization, security, and peace of mind.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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