Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations are the pinnacle of hydraulic innovation, skillfully blending pressure, flow, and directional control into a unified marvel. This fusion guarantees exceptional performance and reliability across every application. Generally composed of three essential functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are designed for seamless integration into high-end hydraulic systems, crucial for superior engineering machinery. They precisely manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key highlights include a compact structure, exceptional energy efficiency, and the capability for smooth, stepless speed control. Moreover, they empower multiple actuators to operate simultaneously 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. Conversely, the HLPSV valves are brilliantly crafted for variable pump systems. While HLPSV valves might show a slightly slower response, they excel in providing outstanding 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, offering 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 keystone of reliability, delivering consistent and steadfast performance to ensure smooth and efficient operations throughout your system. Experience the superior dependability that keeps your operations running like clockwork.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements. Tailored to adjust to the ever-changing demands, it allows for seamless transitions and superior control.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework: Meticulously crafted for flawless performance, enhancing reliability in every application.:
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows. Perfectly engineered for precision, it guarantees optimal performance even in the tightest spaces.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity. Built to last, delivering unwavering durability under the most demanding conditions.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration. Bringing sophistication and efficiency together to elevate your system's operational prowess.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance. Designed for excellence, it tackles high-pressure challenges with ease.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly. Setting new benchmarks in power and performance.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights: Unleashing the potential of your operations with advanced components that redefine excellence.:
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements. Providing steadfast support and unmatched reliability to empower your system.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system. Ensures your operations are fine-tuned for maximum effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability. Pushes the limits of conventional performance to deliver extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Delivering customized pressure control solutions for a wide array of applications: Tailored precisely to your specifications, offering exceptional precision control that impeccably aligns with your operational goals and ambitions.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing completely customizable solutions to seamlessly satisfy your distinct operational demands. Flexible configurations ensure you can effortlessly achieve your desired results.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Amplifying efficiency and mastery: Crafted to optimize your system's performance, offering unmatched control and superior effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve, activates the pump when powered, deactivates when unpowered; D - Normally closed magnetic ball valve, deactivates the pump when powered, activates when unpowered; Providing precision tuning for unmatched system efficiency and excellence.D/F - Introducing a cutting-edge, meticulously precision-engineered pressure limiting valve for secondary pressure (F50), crafted with remarkable precision to uphold a specifically defined pressure value. This engineering marvel is designed to greatly enhance advanced safety measures, optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the pinnacle of versatility and precision with adjustable settings ranging across 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, seamlessly meeting every hydraulic need, and offering unmatched pressure control across a wide range of applications with its /NF configuration, expertly crafted for HLPSV.
(7) Product Series Classification - The Ultimate in Engineering Expertise:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterclass in design, expertly conceived to fulfill every application, ensuring you obtain a product that perfectly aligns with your distinct requirements and expectations.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Incorporating ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, thoughtfully engineered for flawless and seamless integration.
(9)Directional valve block inflow controller options: Select 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, specially crafted 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 an expansive collection of core functions: L, M, F, H, J, B, R, O, N, each expertly crafted to fulfill specific functional requirements and exceed expectations.
(11) Output flow code for ports A & B: Attain peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for supreme performance and unwavering dependability.
(12) Secondary pressure limitation options: Elevate your system's security with our expertly crafted options: N, without pressure limiting protection; C, with synchronized pressure limitation for actuator ports A & B; A---B---, featuring independent pressure limitation for ports A & B. Each option is precisely measured in bar, guaranteeing unwavering system safety and performance.
(13) Function ON/OFF and pressure outlet options: Customize your hydraulic system with precision-engineered choices including: N, devoid of function ON/OFF and 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. These options are designed to deliver unmatched control and operational efficacy.
(14) Operation modes: Explore a vast array of sophisticated operation modes tailored for your needs: A(1,2), featuring manual control with customizable long or short handle; E, for electric proportional regulation; EA(1,2), a hybrid of electric proportional and manual control; D, electric switching value regulation; DA(1,2), a blend of electric switching and manual operation; 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. Each mode is crafted for precision and comprehensive control.
(15) Ancillary block port sizes: Experience unparalleled versatility with our meticulously designed options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each size is engineered to adapt seamlessly, ensuring flawless integration and enhanced system performance across various applications.
(16) End plate options: Immerse yourself in our precisely engineered end plate solutions: E1, your foundational option, offers external pilot oil discharge and an external oil return control port T. E2 enhances E1 with the inclusion of port Y for added adaptability; E3 introduces a refined 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels upon activation, ensuring superior performance.
E4, akin to E1, innovatively features an internal discharge of pilot oil with a sealed port T, optimizing efficiency. E5 mirrors E2's robust features with an internal discharge, promising peak performance. E6 emulates E3's sophisticated design, offering advanced discharge control for complex system demands.
(17) Control voltage and anti-explosion cable options: Select from our robust and secure range, including G12-12VDC, crafted for the utmost safety and reliability in challenging environments. Our options guarantee specialization and security, meeting stringent application demands.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 shining beacon of innovation and excellence within the competitive hydraulic industry. As a distinguished subsidiary of the reputable China Baoan Group (stock code: 000009), our company is celebrated as a national high-tech enterprise, marking our unwavering commitment to technological brilliance and unparalleled quality. Our expertise is vast, encompassing thorough research, development, manufacturing, and sales of top-tier hydraulic components. Honored as a national 'specialized, refined, and innovative' small giant enterprise, we ardently maintain our dedication to excellence, firmly positioning ourselves as leaders in our field.
Our premier creation, the innovative Safety Atex Valve, epitomizes the zenith of advanced hydraulic system control. This meticulously designed component is crafted for integration in construction machinery and robust equipment, playing an indispensable role in essential applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with leading domestic manufacturers, significantly propelling the localization of core hydraulic components for top-tier mechanical equipment. Anchored by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we remain resolute in our quest to deliver outstanding products, services, and solutions. Our mission is to be recognized as a globally trusted supplier of superior hydraulic components, persistently establishing 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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