Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations represent the pinnacle of hydraulic innovation, artfully weaving together pressure, flow, and directional control into a single cohesive marvel. This ensures unparalleled performance and reliability across every application. Consisting of three critical functional modules: connecting blocks, directional valves, and end plates, these precision-engineered valves are meticulously designed for seamless integration into high-end hydraulic systems, making them indispensable for superior engineering machinery. They expertly 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 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 expertly designed for constant displacement pump systems, ensuring steadfast and reliable operation in any environment. Conversely, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves might exhibit a slightly slower response, they excel in providing remarkable energy-saving performance, positioning themselves as the optimal choice for scenarios where efficiency is paramount. With their state-of-the-art engineering and energy-efficient design, HLPSV valves ascend 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 keystone of reliability, this pump assures unwavering performance and smooth operations throughout your system. Experience unmatched dependability that keeps your machinery running flawlessly, maintaining precision like clockwork.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, this pump offers remarkable flexibility to cater to diverse operational requirements. Designed to adapt to shifting demands, it facilitates seamless transitions and unparalleled control for peak efficiency.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability here, crafting a trustworthy operational framework: Expertly designed for flawless performance, enhancing reliability across all applications. This steadfast design ensures consistent, top-tier operation.:
2-G3/8; Engineered for compact efficacy, it ensures streamlined and seamless operational flows. Crafted for precision, it guarantees exceptional performance even in confined spaces, meeting the most demanding standards.
3-G1/2; Built for robustness and reliability, this connection provides a resilient base for system integrity. Designed for longevity, it offers unwavering durability in the most challenging conditions, ensuring your system withstands the test of time.;
4-G3/4; Featuring cutting-edge connectivity, it delivers superior control and enhanced system integration. This sophisticated design elevates your system, merging efficiency and control to amplify operational prowess.;
5, 55-G1; With superior flow rates, it's ideal for high-demand scenarios, ensuring consistent and reliable performance. Designed for excellence, it tackles high-pressure challenges effortlessly, making it indispensable in challenging environments.;
6-G1 1/4; Offering unmatched performance, expertly crafted to excel in demanding conditions and handle challenges with ease. This connection sets new standards in power and performance, solidifying its place as an industry leader.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights: Unlock operational potential with advanced components that redefine excellence, boosting system performance to keep your operations at the industry's cutting edge.:
C,Standard Type - A trustworthy and reliable foundation, meticulously crafted to meet essential operational needs. Offering steadfast support and unmatched reliability to empower your system, ensuring it withstands daily operational rigors.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing system efficiency. By fine-tuning operations for maximum effectiveness, it optimizes your system's performance effortlessly.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving extraordinary performance and dependability. This component exceeds conventional limits to deliver consistently remarkable 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: Achieve 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 system safety with our superior pressure limitation selections: N, no pressure limiting protection for unyielding performance; C, concurrent pressure limitation meticulously designed for actuator ports A & B; A---B---, independent pressure limitation tailored specifically for ports A & B. Each choice is precisely calibrated in bar, ensuring steadfast protection and unmatched reliability.
(13) Function ON/OFF and pressure outlet options: Personalize your control precision with our expertly curated selections: N, devoid of function ON/OFF or pressure outlet for straightforward applications; X, featuring robust C type pressure limitation; S/S1, offering AB type pressure limitation for enhanced adaptability; A, electrical ON/OFF on side A for instant control; B, electrical ON/OFF on side B for targeted manipulation. Each option is engineered to deliver precise and dependable functionality, allowing you to master your equipment with ease.
(14) Operation modes: Achieve comprehensive control with our wide-ranging operation modes: A(1,2), offering manual operation with the choice of long or short handle for customizable user experience; E, electric proportional control for precise adjustments; EA(1,2), a harmonious blend of electric proportional control with manual operation for versatile handling; D, electric switching value control for quick response; DA(1,2), combining electric switching value control with manual operation for optimal flexibility; M, manual friction positioning with long handle for stable control; H, pure hydraulic control aligning pilot oil ports with ports A and B for seamless operation; F, pure hydraulic control with perpendicular pilot oil ports for distinct applications. Each mode is intricately designed for precision, versatility, and maximum efficiency.
(15) Ancillary block port sizes: Discover unmatched adaptability with our precisely engineered ancillary block port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These options are crafted to ensure flawless integration across a multitude of systems, promoting efficiency and superior performance throughout your operations.
(16) End plate options: Discover our expertly engineered end plate solutions: E1, offering external discharge of pilot oil and external oil return control port T for streamlined operations. E2 builds upon E1 with the addition of port Y, enhancing flexibility. E3 features a sophisticated 2-position, 3-way magnetic ball valve, escalating system pressure to safety valve standards when activated, ensuring peak performance.
E4 mirrors E1, but with the innovative advantage of an internal discharge of pilot oil combined with a sealed port T for heightened efficiency. E5 enhances the features of E2 with an internal discharge, ensuring superior performance. E6 replicates the advanced design of E3, providing state-of-the-art discharge control tailored for complex system requirements, ensuring optimal operation in all conditions.
(17) Control voltage and anti-explosion cable options: Choose from our trusted range, including G12-12VDC, engineered for rigorous applications where safety and reliability are paramount. Our offerings promise specialized solutions and unyielding security in various operational environments.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 flourished into a beacon of innovation and excellence within the hydraulic industry. As a prestigious subsidiary of the globally recognized China Baoan Group (stock code: 000009), our esteemed company is celebrated as a national high-tech enterprise, highlighting our unwavering commitment to technological progress and unmatched quality. Our unrivaled expertise encompasses comprehensive research, development, manufacturing, and sales of premium hydraulic components. Lauded as a national 'specialized, refined, and innovative' small giant enterprise, we remain unwavering in our pursuit of excellence, continually reinforcing our leadership in the field.
Introducing our flagship masterpiece, the Enhanced Safety Atex Valve, which stands as the pinnacle of advanced hydraulic system control technology. This meticulously engineered component is indispensable for construction machinery and heavy-duty equipment, serving crucial roles in applications like emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic alliances with leading domestic manufacturers, significantly advancing 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 unwavering in our endeavor to deliver extraordinary products, services, and solutions. Our mission is to emerge as a globally trusted supplier of premier hydraulic components, consistently setting new benchmarks of excellence on the global 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?
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