Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations stand as the apex of hydraulic innovation, artfully integrating pressure, flow, and directional control into one cohesive marvel. 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 precisely 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 enable multiple actuators to operate concurrently under various loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are expertly 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 might demonstrate a marginally slower response, they excel in providing outstanding energy-saving performance, positioning them as the optimal choice for scenarios where efficiency is critical. With their state-of-the-art engineering and energy-efficient design, HLPSV valves rise as the premier solution for advanced hydraulic control needs, offering an ideal 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 reliability, this pump delivers unwavering performance, ensuring that your operations flow smoothly and efficiently without interruption. Discover the high level of dependability that keeps everything running with the precision of a finely-tuned machine.;
HLPSV: Variable Displacement Pump - A benchmark of adaptability, this pump offers remarkable flexibility, tailored to meet a multitude of operational demands. It effortlessly adapts, providing seamless transitions and superior control over your hydraulic system.;
(2) Connection Block Ports P & R Specifications - Where precision meets trustworthiness, these ports are meticulously engineered for seamless performance, ensuring reliability and efficiency across various applications.:
2-G3/8; Expertly designed for compact efficiency, this port supports streamlined operations, ensuring precision even in the most constrained spaces. It is crafted to facilitate optimal performance in every scenario.
3-G1/2; Built for robustness, this port provides a solid foundation for system stability. It delivers long-lasting durability, tackling even the most demanding conditions with ease.;
4-G3/4; Featuring advanced connectivity, this port elevates system performance with superior control and seamless integration, marrying sophistication with operational excellence.;
5, 55-G1; Designed for superior flow rates, this port is ideal for high-demand applications, ensuring consistent and reliable performance. It excels in high-pressure environments, delivering excellence at every turn.;
6-G1 1/4; Providing unmatched performance, this port is expertly engineered to thrive in challenging environments. It sets new standards in power and efficiency.;
(3) Additional Components and Specifications - Elevating your system's capabilities to new heights, these advanced components unleash the full potential of your operations, setting a new standard for excellence.:
C,Standard Type - A reliable foundation designed to meet your essential operational needs. Providing unwavering support and unmatched reliability to empower your system.;
G,Throttle Valve (For HLPSL only) - Ensuring precision control, this valve enhances the overall efficiency of your system, fine-tuning operations for peak performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizing flow management, this valve delivers exceptional performance and dependability, pushing the boundaries of conventional standards.;
(4) Pilot Oil Circuit Pressure Options - Offering custom pressure control solutions, these options provide precise alignment with your operational objectives, tailored to meet diverse application needs with precision.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Experience tailor-made solutions adeptly crafted to seamlessly fulfill your unique operational demands. Our customizable configurations ensure you achieve your targeted outcomes effortlessly, optimizing performance with precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control: This design is meticulously engineered to enhance your system's performance, delivering unmatched control and superior effectiveness, pushing the boundaries of operational excellence.C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading when unpowered; D - Normally closed magnetic ball valve, unloading when powered, pressurizing when unpowered; Offering precision tuning for exceptional system efficiency and optimal performance.D/F - Introducing a cutting-edge, meticulously precision-engineered pressure limiting valve for secondary pressure (F50), crafted with extraordinary precision to maintain a specific pressure value. This engineering marvel significantly bolsters advanced safety measures, optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embrace ultimate versatility and precision with adjustable settings ranging across 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, seamlessly catering to every hydraulic requirement. The /NF configuration presents systems devoid of a pressure limiting valve, expertly engineered for HLPSV, delivering unrivaled pressure control across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterclass in design, thoughtfully conceived to address every application, ensuring you obtain a product that flawlessly aligns with your specific requirements, maximizing functionality and effectiveness.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, masterfully engineered for flawless and seamless integration, ensuring optimal connectivity and performance.
(9)Directional valve block inflow controller options: Choose from an extensive selection 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; 8, pre-selectable options, each providing precision and remarkable efficiency.
(10) Valve core function symbols: Discover a comprehensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to meet particular functional requirements, delivering precision and excellence.
(11) Output flow code for ports A & B: Optimize peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for supreme performance and dependable functionality.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, each meticulously calibrated in bar to ensure unwavering system safety and reliability.
(13) Function ON/OFF and pressure outlet options: Elevate your operational experience with our customizable options, tailored precisely for your needs: N, without function ON/OFF or pressure outlet; X, C type pressure limitation; S/S1, AB type pressure limitation; A, electrical ON/OFF on side A; B, electrical ON/OFF on side B. Each choice is engineered with precision to ensure superior control and optimal functionality.
(14) Operation modes: Experience unparalleled versatility with our diverse operation modes: A(1,2), manual operation featuring optional long or short handle; E, electric proportional control for precise maneuvering; EA(1,2), a hybrid of electric proportional control and manual operation; D, electric switching value control for dynamic application; DA(1,2), combines electric switching value control with manual operation for enhanced command; M, manual friction positioning with a long handle; H, pure hydraulic control aligning pilot oil ports with oil ports A and B; F, pure hydraulic control with perpendicular pilot oil ports, all designed for comprehensive and precise system control.
(15) Ancillary block port sizes: Experience redefined adaptability with our expertly designed port size options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each size is crafted to guarantee seamless integration and optimal performance across a multitude of systems, enhancing efficiency and functionality.
(16) End plate options: Explore our sophisticated end plate solutions, meticulously crafted for excellence: E1, standard choice, guarantees an external discharge of pilot oil and an external oil return control port T; E2 enhances E1 with an additional port Y for greater flexibility; E3 offers a refined 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, ensuring peak system performance.
E4, paralleling E1, innovatively incorporates an internal discharge of pilot oil with a sealed port T for superior efficiency. E5, reflecting E2, ensures optimal performance with internal discharge features. E6 mirrors the advanced design of E3, delivering enhanced discharge control tailored to meet complex system requirements.
(17) Control voltage and anti-explosion cable options: Choose from our secure, specialized range including G12-12VDC, crafted for reliability and safety in demanding environments. Our offerings guarantee expertise and protection.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its founding in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has stood as a beacon of innovation and excellence within the hydraulic industry. Proudly operating as a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), our company is celebrated as a national high-tech enterprise, showcasing our dedication to technological advancement and superior quality. Our unparalleled expertise spans across the rigorous research, development, manufacturing, and sales of premium hydraulic components. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we are unwavering in our commitment to excellence, solidifying our position as leaders in the field.
Introducing our flagship creation, the remarkable Safety Atex Valve-an epitome of cutting-edge hydraulic system control innovation. This meticulously engineered component is crafted for pivotal roles in construction machinery and heavy-duty equipment, excelling in crucial applications like emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We proudly forge strategic alliances with top domestic manufacturers, propelling the localization of essential hydraulic components for advanced mechanical equipment. Our guiding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-drives our relentless quest to deliver outstanding products, services, and solutions. Our vision is to rise as a globally esteemed supplier of premier hydraulic components, consistently setting new benchmarks of excellence worldwide.
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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