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, providing unwavering, consistent performance that ensures smooth and efficient operations across your entire system. Discover top-notch dependability that keeps your machinery in seamless operation, maintaining precision and functionality effortlessly.;
HLPSV: Variable Displacement Pump - The epitome of flexibility and adaptability, offering remarkable versatility to meet diverse operational requirements. Designed to adjust effortlessly to dynamic demands, it allows for seamless transitions and superior management for peak efficiency.;
(2) Connection Block Ports P & R Specifications - The fusion of precision and reliability, crafting a rock-solid operational framework: Expertly engineered for flawless performance, enhancing dependability in every application. This durable design guarantees consistent, high-level operation.:
2-G3/8; Crafted for compact efficiency, it supports seamless and streamlined operational flows. Perfectly designed for precision, ensuring top performance even in the tightest spaces, guaranteeing that every operation meets stringent standards.
3-G1/2; Built for strength and reliability, this connection offers a solid foundation for system integrity. Engineered to endure, it provides continuous durability under the most challenging conditions, ensuring your system remains robust over time.;
4-G3/4; Featuring advanced connectivity, it delivers superior control and enhanced system integration. This refined design elevates your system, merging efficiency and control to boost operational excellence.;
5, 55-G1; Designed with superior flow rates, perfect for high-demand applications, guaranteeing consistent and reliable performance. Built for excellence, it easily handles high-pressure challenges, making it indispensable in demanding environments.;
6-G1 1/4; Delivering unmatched performance, meticulously crafted to succeed in challenging environments and tackle obstacles with ease. This connection establishes new standards in power, securing its position as an industry frontrunner.;
(3) Additional Components and Specifications - Pushing system capabilities to new heights: Unlocking operational potential with advanced components that redefine excellence, boosting system performance to keep your operations ahead of industry standards.:
C,Standard Type - A dependable and trusted foundation, meticulously crafted to fulfill essential operational needs. Offering steadfast support and unmatched reliability to empower your system, ensuring it endures the rigors of daily use.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, boosting system efficiency. By fine-tuning operations to achieve maximum effectiveness, it enhances your system's performance effortlessly.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, delivering unmatched performance and reliability. This component surpasses conventional performance boundaries to provide exceptional results consistently.;
(4) Pilot Oil Circuit Pressure Options - Experience unparalleled customization with our bespoke pressure control solutions, designed for a multitude of applications. Each solution is tailor-made to your specific requirements, ensuring precision control that integrates flawlessly into your operational framework.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Our offerings seamlessly cater to your unique operational demands. The customizable configurations guarantee the realization of your desired results with absolute convenience and ease.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Maximize efficiency and control with our expertly designed magnetic ball valve. It enhances your system's performance by delivering unmatched control and effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve that pressurizes the pump when powered and unloads it when unpowered; D - Normally closed magnetic ball valve that unloads the pump when powered and pressurizes it when unpowered. Offering precision tuning that elevates system efficiency to new heights.D/F - Introducing a revolutionary pressure limiting valve for secondary pressure (F50), crafted with extraordinary precision to maintain a specific pressure value. This engineering marvel significantly bolsters safety measures, optimizing operational security and reliability like never before.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unmatched versatility and precision with adjustable settings across 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes flexibility, catering to every hydraulic need. The /NF configuration is ingeniously crafted for HLPSV, offering exceptional pressure control across diverse applications.
(7) Product Series Classification - Where Engineering Excellence Meets Precision:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a paragon of design excellence, meticulously crafted to meet every application. Our products ensure seamless alignment with your specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; These are complemented by ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly designed for flawless and seamless integration into your system.
(9)Directional valve block inflow controller options: Select from a wide-ranging array of options: 1, without an 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 offering precision and exceptional efficiency.
(10) Valve core function symbols: Discover our extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill distinct functional requirements.
(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 reliability.
(12) Secondary pressure limitation options: Choose from our premium selections to ensure ultimate system safety: N, no pressure limiting protection; C, concurrent pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B. Each option is precisely measured in bar, providing uncompromising protection.
(13) Function ON/OFF and pressure outlet options: Customize your control with our expertly tailored selections: 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 option is engineered for precise and reliable functionality.
(14) Operation modes: Unlock comprehensive control with our diverse operation modes: A(1,2), manual operation with either long or short handle; E, electric proportional control; EA(1,2), a synergy of electric proportional control and manual operation; D, electric switching value control; DA(1,2), a combination of electric switching value control and manual operation; M, manual friction positioning with long handle; H, pure hydraulic control, aligning pilot oil ports with ports A and B; F, pure hydraulic control with perpendicular pilot oil ports. Each mode is crafted for precision and versatility.
(15) Ancillary block port sizes: Experience unparalleled versatility with our meticulously engineered options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These options ensure seamless adaptability and flawless integration across various systems, guaranteeing efficiency and peak performance.
(16) End plate options: Explore our meticulously crafted end plate solutions: E1, ensures an external discharge of pilot oil and external oil return control port T. E2 elevates E1 with the addition of port Y for greater flexibility; E3 boasts a sophisticated 2-position, 3-way magnetic ball valve, lifting system pressure to safety valve levels when activated, ensuring maximum performance.
E4 mirrors E1, but innovatively integrates an internal discharge of pilot oil with a sealed port T for enhanced efficiency. E5 enhances E2 features with an internal discharge, ensuring top-tier performance. E6 mirrors the advanced design of E3, delivering cutting-edge discharge control for complex system requirements.
(17) Control voltage and anti-explosion cable options: Select from our secure range, including G12-12VDC, tailored for demanding applications with emphasis on safety and reliability. Our offerings ensure 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 ascended to prominence as a symbol of innovation and excellence within the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), our company is acclaimed as a national high-tech enterprise, underscoring our unwavering dedication to technological advancement and unparalleled quality. Our expertise is unrivaled, encompassing exhaustive research, development, manufacturing, and sales of premium hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we remain steadfast in our commitment to excellence, fortifying our leadership in the field.
Introducing our flagship innovation, the enhanced Safety Atex Valve, epitomizing the zenith of advanced hydraulic system control technology. This meticulously engineered component is indispensable for construction machinery and heavy-duty equipment, playing a critical role in applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic partnerships with leading domestic manufacturers, significantly propelling the localization of core hydraulic components for sophisticated mechanical equipment. Guided by our founding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unyielding in our quest to deliver extraordinary products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, consistently setting new benchmarks of excellence on the world 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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