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 epitome of steadfast performance, this pump guarantees unwavering reliability, ensuring your system operates with smooth precision and consistent efficiency. Discover its unrivaled dependability, designed to maintain your machinery's peak functionality as effortlessly as clockwork.;
HLPSV: Variable Displacement Pump - The hallmark of versatility and adaptability, this pump offers exceptional flexibility tailored to meet a diverse array of operational requirements. It seamlessly adapts to fluctuating demands, granting ultimate control and efficiency throughout every transition.;
(2) Connection Block Ports P & R Specifications - Precision-engineered for reliability, these ports form the backbone of a trustworthy operational framework: Crafted with meticulous attention to detail, they ensure unparalleled reliability and consistent, premium performance across all applications.:
2-G3/8; Designed for compact efficiency, this port facilitates streamlined operations. Engineered for precision, it guarantees optimal performance in the most confined spaces, ensuring every operation meets the highest standards.
3-G1/2; Built for strength and dependability, this connection forms a robust foundation for system integrity. Its enduring durability withstands the most rigorous conditions, ensuring your system's longevity and reliability.;
4-G3/4; With cutting-edge connectivity, this port enhances system integration and control. Its advanced design boosts your system's efficiency, merging control with operational excellence.;
5, 55-G1; Featuring exceptional flow rates, this is perfect for high-demand applications, ensuring consistent, reliable performance. Designed for peak performance, it tackles high-pressure environments with ease, making it indispensable for challenging conditions.;
6-G1 1/4; Delivering extraordinary performance, this port excels in demanding environments and effortlessly overcomes challenges. It sets new industry benchmarks for power and performance.;
(3) Additional Components and Specifications - Transforming system capabilities, these advanced components redefine excellence, enhancing performance to ensure your operations lead industry standards.:
C,Standard Type - A foundation of trust, meticulously designed to meet core operational needs. Offering unwavering support and unmatched reliability, it ensures your system endures the demands of daily operations.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing system efficiency by fine-tuning operations for optimal performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, pushing conventional performance limits to consistently deliver exceptional results.;
(4) Pilot Oil Circuit Pressure Options - Discover tailor-made pressure control solutions designed to fit your exact requirements perfectly. These bespoke systems deliver precision control that aligns seamlessly with your operational goals, ensuring optimal performance across various applications.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Our customized solutions are effortlessly adaptable to your unique operational needs, providing customizable configurations that guarantee your desired outcomes with unparalleled convenience.
(5) 2/2-way Magnetic Ball Valve for System Unloading - This expertly designed component elevates efficiency and control, enhancing your system's overall performance. It provides unrivaled control and exceptional effectiveness for superior operational results.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; Experience precision tuning for unmatched system efficiency with these expertly crafted options.D/F - Introducing a groundbreaking innovation: a meticulously precision-engineered pressure limiting valve for secondary pressure (F50). Designed with remarkable accuracy, this engineering marvel maintains a precisely defined pressure value, significantly enhancing safety measures to optimize operational security and reliability at unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Reach new heights 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, ensuring unmatched pressure control across a wide range of applications.
(7) Product Series Classification - The Epitome of Engineering Excellence: Experience the pinnacle of engineering brilliance with each series, artfully designed to align seamlessly with every application and meet your specific requirements.;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterclass in design, ingeniously 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; This includes ancillary blocks or the intermediate transition block ZPL 5S(V)/H, a hydraulic control shut-off valve skillfully engineered for flawless and seamless integration.
(9)Directional valve block inflow controller options: Select 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: Dive into an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements with unparalleled precision.
(11) Output flow code for ports A & B: Revel in peak operational efficiency with our comprehensive range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow is ingeniously engineered to deliver exceptional performance and steadfast reliability, ensuring your operations run seamlessly.
(12) Secondary pressure limitation options: Safeguard your systems with our superior selection of pressure limitation options: N, offering no pressure limiting protection; C, providing concurrent pressure limitation for actuator ports A & B; A---B---, delivering independent pressure limitation for ports A & B. Every option is meticulously calibrated in bar, ensuring unparalleled protection and system integrity.
(13) Function ON/OFF and pressure outlet options: Elevate your control capabilities with our precision-engineered selections: N, devoid of function ON/OFF or pressure outlet; X, featuring C type pressure limitation; S/S1, equipped with AB type pressure limitation; A, providing electrical ON/OFF on side A; B, offering electrical ON/OFF on side B. Each option is crafted for dependable and precise functionality, enhancing operational excellence.
(14) Operation modes: Experience unmatched control versatility with our extensive range of operation modes: A(1,2), for manual operation with either a long or short handle; E, featuring electric proportional control; EA(1,2), combining electric proportional control with manual operation; D, with electric switching value control; DA(1,2), integrating electric switching value control with manual operation; M, designed for manual friction positioning with a long handle; H, utilizing pure hydraulic control, aligning pilot oil ports with ports A and B; F, utilizing pure hydraulic control with perpendicular pilot oil ports. Each mode is meticulously designed for precision and adaptability.
(15) Ancillary block port sizes: Experience unmatched adaptability with our expertly designed options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These sizes are engineered for seamless integration and adaptability, ensuring your systems achieve optimal efficiency and peak performance.
(16) End plate options: Discover our meticulously engineered end plate solutions: E1, enables external discharge of pilot oil and external oil return control port T. E2 enhances E1 by adding port Y for increased adaptability; E3 features a sophisticated 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, ensuring maximum operational performance.
E4 mirrors E1, yet innovatively incorporates an internal discharge of pilot oil with a sealed port T for superior efficiency. E5 further enhances E2 with an internal discharge, delivering premium performance. E6 mirrors the advanced sophistication of E3, providing cutting-edge discharge control for complex system demands.
(17) Control voltage and anti-explosion cable options: Choose from our secure array of options, including G12-12VDC, specifically designed for high-demand applications with a focus on safety and dependability. Our offerings ensure specialized performance and secure operation.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.
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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.
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