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 - A cornerstone of unyielding reliability, this pump delivers unwavering and consistent performance, ensuring your operations run smoothly and flawlessly. Depend on its superior dependability to keep your machinery in perfect harmony, providing precise functionality that operates with the precision of a finely tuned clockwork.;
HLPSV: Variable Displacement Pump - The epitome of flexibility and adaptability, this pump offers remarkable versatility to satisfy a vast array of operational requirements. Expertly designed to meet ever-evolving demands, it allows seamless transitions and provides unparalleled control, optimizing efficiency to its fullest potential.;
(2) Connection Block Ports P & R Specifications - Where ultimate precision meets unwavering reliability, constructing a dependable operational framework: Carefully and meticulously crafted for impeccable performance, this design enhances reliability across every application, ensuring consistent and superior operation that stands second to none.:
2-G3/8; Ingeniously designed for compact efficiency, this feature facilitates streamlined and seamless operational flow. Perfectly engineered with precision, it assures optimal performance even in the most confined spaces, ensuring every operation adheres to the highest standards.
3-G1/2; Crafted for exceptional robustness and reliability, this connection serves as a formidable foundation for system integrity. Engineered to endure, it delivers steadfast durability under the most rigorous conditions, ensuring your system remains resilient over time.;
4-G3/4; With advanced connectivity in its design, it offers superior control and enhanced system integration. This sophisticated element elevates your system, merging efficiency and control to bolster your operational capabilities.;
5, 55-G1; Featuring superior flow rates, this component is ideal for high-demand applications, ensuring consistent and reliable performance. Designed for excellence, it tackles high-pressure challenges effortlessly, serving as a vital asset in arduous environments.;
6-G1 1/4; Providing unrivaled performance, this connection is expertly configured to excel in demanding environments and handle challenges with ease. It sets new standards in power and performance, confirming its status as an industry leader.;
(3) Additional Components and Specifications - Pushing system capabilities to new heights: Unlock the full operational potential with advanced components that redefine excellence, elevating system performance to ensure your operations lead the way in meeting industry standards.:
C,Standard Type - A trusted and dependable foundation, meticulously engineered to meet fundamental operational needs. Offering steadfast support and unmatched reliability, it empowers your system to endure the trials of daily operations.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing the efficiency of your system. By fine-tuning operations for maximum effectiveness, it effortlessly optimizes system performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and reliability. It pushes the boundaries of traditional performance, consistently delivering extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications: Tailor-made to fit your exact requirements, delivering precision control that aligns seamlessly with your operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing customized solutions that effortlessly cater to your specific operational needs. Customizable configurations ensure you achieve your desired outcomes with unparalleled convenience.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control: Expertly designed to enhance your system's performance, delivering unrivaled control and exceptional effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing it when unpowered; Offering precision tuning for unmatched system efficiency.D/F - Unveiling a groundbreaking, meticulously precision-engineered pressure limiting valve for secondary pressure (F50), crafted with remarkable precision to maintain a precisely defined pressure value. This engineering marvel is designed to significantly enhance advanced safety measures, thereby optimizing operational security and reliability to unprecedented levels.
(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 accommodating every hydraulic requirement. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, delivering unmatched pressure control across a wide range of applications.
(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, skillfully conceived to address every application, ensuring you acquire a product that seamlessly aligns with your specific requirements.
(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, skillfully engineered for flawless and seamless integration.
(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, 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: Explore an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements.
(11) Output flow code for ports A & B: Surge to new heights of efficiency with our selection of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow rate is crafted to deliver exceptional performance and steadfast reliability.
(12) Secondary pressure limitation options: Secure your system with our elite pressure limitation choices, designed to maintain peak safety: N, no pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B. Each option is precisely calibrated in bar, ensuring robust protection.
(13) Function ON/OFF and pressure outlet options: Elevate your control with our precisely engineered selections: N, no 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 configuration guarantees precision and dependability.
(14) Operation modes: Achieve comprehensive control with our diversified operation modes: A(1,2), manual operation with both long and short handles; E, electric proportional control; EA(1,2), combines electric proportional and manual controls; D, electric switching value control; DA(1,2), blends electric switching value with manual control; M, manual friction positioning using a long handle; H, pure hydraulic control syncing pilot oil ports with ports A and B; F, pure hydraulic control using perpendicular pilot oil ports. Each mode is designed for precision and adaptability.
(15) Ancillary block port sizes: Harness exceptional versatility with our precisely crafted options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These sizes facilitate seamless adaptability and flawless integration into various systems, ensuring efficiency and peak performance.
(16) End plate options: Discover our carefully engineered end plate solutions: E1, allows external discharge of pilot oil and external oil return control via port T. E2 upgrades E1 by adding port Y for increased flexibility; E3 introduces a 2-position, 3-way magnetic ball valve, boosting system pressure to safety valve levels when activated, ensuring optimal performance.
E4 follows E1's structure but ingeniously includes an internal discharge of pilot oil with a sealed port T for heightened efficiency. E5 builds upon E2 with an internal discharge, delivering superior performance. E6 matches E3's advanced design, offering state-of-the-art discharge control for intricate system needs.
(17) Control voltage and anti-explosion cable options: Choose from our secure and specialized range, including G12-12VDC, designed for demanding applications prioritizing safety and reliability. Our options ensure tailored protection 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.
){kind=link}