Introducing the groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These extraordinary engineering marvels represent the pinnacle of hydraulic innovation, skillfully blending pressure, flow, and directional control into a single, seamless masterpiece. This integration guarantees unparalleled performance and dependability across a wide array of applications. Typically comprised of three essential functional modules - connecting blocks, directional valves, and end plates - these meticulously engineered valves are crafted for flawless integration into high-end hydraulic systems, crucial for superior engineering machinery. They expertly govern the movement direction and velocity of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key features include a compact design, remarkable energy efficiency, and the ability for stepless speed control. Additionally, they allow multiple actuators to function simultaneously under varying loads, offering exceptional performance and versatility for virtually any application.
The HLPSL valves are masterfully designed for constant displacement pump systems, ensuring consistent and reliable performance in any setting. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they shine in delivering remarkable energy-saving capabilities, making them the ultimate choice for situations where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the foremost solution for advanced hydraulic control needs, offering an optimal 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 epitome of reliability, offering unwavering and steadfast performance. This pump ensures your operations run with seamless precision, delivering consistent functionality that stands the test of time. Experience unmatched dependability as it powers your machinery with clockwork efficiency.;
HLPSV: Variable Displacement Pump - An icon of versatility and adaptability, this pump provides exceptional flexibility to cater to diverse operational requirements. Engineered for dynamic demands, it enables seamless transitions and precise control, ensuring peak efficiency in every scenario.;
(2) Connection Block Ports P & R Specifications - The harmony of precision and reliability that lays the foundation of trust: Each port is crafted with meticulous attention to detail for flawless performance, elevating reliability across all applications. This design guarantees consistent, premium operations at every turn.:
2-G3/8; Crafted for compact efficiency, it supports streamlined and smooth operational flows. Engineered for precision, it ensures optimal performance in tight spaces while meeting rigorous standards with ease.
3-G1/2; Designed with robustness and durability in mind, this connection delivers a stable and reliable base for system integrity. Built to endure, it promises unwavering performance under even the toughest conditions.;
4-G3/4; Offering cutting-edge connectivity, it provides superior control and system integration. This advanced design enhances your system's operational prowess by combining efficiency with control.;
5, 55-G1; Engineered for exceptional flow rates, it is the ideal choice for high-demand applications, ensuring reliability and high performance. Designed to tackle high-pressure challenges effortlessly, it stands as an essential component in demanding environments.;
6-G1 1/4; Unmatched in performance, this connection excels in tough environments, effortlessly overcoming challenges. It sets new benchmarks in power and performance, reaffirming its status as an industry leader.;
(3) Additional Components and Specifications - Pushing system capabilities to new heights: Advanced components redefine excellence, boosting system performance to ensure your operations lead the industry standard, offering unrivaled functionality and innovation.:
C,Standard Type - A foundation of reliability and trust, meticulously engineered to meet critical operational demands. This component provides unwavering support and reliability, ensuring your system withstands the rigors of everyday use.;
G,Throttle Valve (For HLPSL only) - Ensures precision control and enhances system efficiency. By fine-tuning operations for peak performance, it effortlessly optimizes your system's functionality.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management for outstanding performance and reliability. This component pushes conventional boundaries to consistently deliver extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Discover unparalleled excellence in pressure control, offering bespoke solutions that are meticulously crafted to meet the unique demands of your applications. Each option is tailor-made to seamlessly integrate with your operational goals, ensuring precision control that aligns perfectly with your needs.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Elevate your operations with bespoke, customizable solutions that are designed to effortlessly meet your specific needs. Experience the convenience of configurations that enable you to achieve desired results with unmatched ease.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhance your system's performance with superior efficiency and control. Expertly engineered, this valve elevates your operations by delivering unrivaled control and exceptional effectiveness.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 the pump when powered, pressurizing when unpowered; Experience precision tuning that ensures unmatched system efficiency, tailored to meet your exact requirements.D/F - Introducing a groundbreaking and meticulously precision-engineered pressure limiting valve for secondary pressure (F50), crafted with extraordinary accuracy to maintain a precisely defined pressure value. This engineering marvel significantly enhances advanced safety measures, optimizing operational security and reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the pinnacle of versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component exemplifies adaptability, seamlessly accommodating all hydraulic requirements. The /NF configuration provides systems without a pressure limiting valve, meticulously crafted for HLPSV, delivering unparalleled pressure control across diverse applications.
(7) Product Series Classification - Embodying the Apex of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterclass in design and engineering prowess, thoughtfully conceived to cater to every application, ensuring you receive a product that perfectly 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; Featuring 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: Select from a comprehensive range of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering 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: Attain peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each meticulously designed for supreme performance and unwavering dependability.
(12) Secondary pressure limitation options: Elevate your system's safety with our bespoke selections: N - standard option with no pressure limiting protection; C, concurrent pressure limitation for enhanced protection of actuator ports A & B; A---B---, independent pressure limitation for ports A & B. Each choice is precisely calibrated in bar, ensuring unmatched safety and reliability.
(13) Function ON/OFF and pressure outlet options: Personalize your controls with our expertly crafted selections: N - option without function ON/OFF or pressure outlet; X, C type pressure limitation for added security; S/S1, AB type pressure limitation for comprehensive coverage; A, electrical ON/OFF on side A for precise control; B, electrical ON/OFF on side B for distinct functionality. Each selection is engineered to deliver accuracy and dependability.
(14) Operation modes: Gain superior command with our diverse operation modes: A(1,2), manual operation with user-friendly handle lengths; E, precise electric proportional control; EA(1,2), a perfect blend of electric proportional control with manual operation; D, effective electric switching value control; DA(1,2), a fusion of electric switching value control with manual operation; M, manual friction positioning for fine-tuned handling; H, pure hydraulic control aligning pilot oil ports with ports A and B; F, pure hydraulic control with perpendicular pilot oil ports for distinct management. Each mode is designed for ultimate precision and adaptability.
(15) Ancillary block port sizes: Experience exceptional flexibility with our precisely engineered options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These options provide effortless adaptation and flawless integration into multiple systems, ensuring operational efficiency and peak performance.
(16) End plate options: Delve into our meticulously developed end plate solutions: E1, facilitates external discharge of pilot oil and external oil return control port T for streamlined operation. E2 builds on E1 with the addition of port Y, offering increased versatility; E3 features an advanced 2-position, 3-way magnetic ball valve, capable of elevating system pressure to safety valve thresholds when engaged, guaranteeing superior performance.
E4 emulates E1 while innovating with an internal discharge of pilot oil and a sealed port T for heightened efficiency. E5 enhances E2's capabilities with internal discharge for optimal performance. E6 replicates E3's advanced design, providing state-of-the-art discharge control for complex system demands.
(17) Control voltage and anti-explosion cable options: Choose from our secure offerings, including G12-12VDC, engineered for rigorous applications where safety and reliability are paramount. Our selections emphasize 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.
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