Introducing the cutting-edge HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These trailblazing innovations represent the pinnacle of hydraulic technology, flawlessly merging pressure, flow, and directional control into a single, integrated masterpiece. This guarantees unparalleled performance and reliability for diverse applications. These valves are typically comprised of three essential functional modules - connecting blocks, directional valves, and end plates - all meticulously engineered for effortless integration into sophisticated hydraulic systems, crucial for high-end engineering machinery. They expertly regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Standout features include a compact design, remarkable energy efficiency, and the ability for stepless speed control. Furthermore, they empower multiple actuators to operate simultaneously under various loads, delivering exceptional performance and versatility across a multitude of applications.
The HLPSL valves are masterfully engineered for constant displacement pump systems, ensuring unwavering and dependable operation in any setting. Conversely, the HLPSV valves are ingeniously designed for variable pump systems. Although HLPSV valves may exhibit a slightly slower response, they excel in providing exceptional energy-saving performance, making them the ideal choice for situations where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control demands, offering a perfect amalgamation 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 steadfast reliability, ensuring smooth and efficient operations across your machinery. Experience unwavering dependability with this pump, maintaining perfect functionality and steady performance like the precision of a timepiece.;
HLPSV: Variable Displacement Pump - The epitome of flexibility and adaptability, designed to meet diverse operational requirements with ease. It seamlessly adjusts to dynamic conditions, offering unparalleled control and efficiency, making it an indispensable choice for versatile operations.;
(2) Connection Block Ports P & R Specifications - Where precision intersects with reliability, creating a robust operational framework: Expertly designed for perfect performance, enhancing dependability across all applications. This design ensures unwavering, top-tier operation consistently.:
2-G3/8; Exemplifying compact proficiency, it facilitates streamlined and seamless operational flows. With precision engineering, it ensures optimum performance in confined spaces, meeting rigorous operational standards effortlessly.
3-G1/2; Built for strength and reliability, this connection ensures system integrity. Crafted for longevity, it offers consistent durability under the most challenging conditions, ensuring your system's resilience over time.;
4-G3/4; Featuring cutting-edge connectivity, it provides superior control and enhanced system integration. This advanced design elevates your operations, harmonizing efficiency and control to boost your system's capabilities.;
5, 55-G1; With superior flow rates, it is ideal for high-demand applications, offering consistent and reliable performance. Engineered for excellence, it easily handles high-pressure challenges, making it indispensable in demanding environments.;
6-G1 1/4; Delivering unparalleled performance, this connection excels in demanding environments, handling challenges with ease. It sets new standards in power and performance, establishing itself as a leader in the industry.;
(3) Additional Components and Specifications - Elevating system capabilities to extraordinary heights: Unleash the full potential of your operations with advanced components that redefine excellence. Enhance system performance to keep your operations leading the industry.:
C,Standard Type - A foundation of reliability, meticulously designed to meet crucial operational demands. Offering steadfast support and unmatched reliability, it empowers your system to endure daily operational challenges.;
G,Throttle Valve (For HLPSL only) - Ensures precision control for enhanced system efficiency. Optimizing your system's performance effortlessly by fine-tuning operations for maximum effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management for exceptional performance and dependability. This component transcends conventional limits to deliver consistent, 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 and precision.
(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 with exceptional ease.
(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 and exceeds expectations.
(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, ensuring optimal performance.
(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 with precision and reliability.
(11) Output flow code for ports A & B: Experience the pinnacle of hydraulic precision with our spectrum of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow rate is meticulously engineered to ensure superior performance and steadfast reliability, elevating your operational efficiency to new heights.
(12) Secondary pressure limitation options: Elevate your system's safety with our exceptional pressure limitation options: N, providing no pressure limiting protection for unencumbered flow; C, offering concurrent pressure limitation for both actuator ports A & B; A---B---, granting independent pressure limitation for ports A & B. Each option is precisely calibrated in bar, delivering uncompromising protection and peace of mind.
(13) Function ON/OFF and pressure outlet options: Empower your control capabilities with our customized selections: N, standard configuration without function ON/OFF or pressure outlet; X, featuring C type pressure limitation for enhanced security; S/S1, showcasing AB type pressure limitation for superior safeguarding; A, equipping electrical ON/OFF on side A for targeted control; B, equipping electrical ON/OFF on side B for targeted control. Each choice is engineered for exactitude and dependable functionality.
(14) Operation modes: Attain mastery over your system with our broad array of operation modes: A(1,2), offering manual operation with either long or short handle for ergonomic control; E, delivering electric proportional control for smooth precision; EA(1,2), merging electric proportional control with manual operation for a seamless experience; D, providing electric switching value control for responsive maneuvering; DA(1,2), combining electric switching value control with manual operation for versatile adaptability; M, using manual friction positioning with a long handle for steady control; H, featuring pure hydraulic control aligning pilot oil ports with ports A and B for cohesive power; F, offering pure hydraulic control with perpendicular pilot oil ports for alternate setups. Each mode is thoughtfully crafted for precision and versatility.
(15) Ancillary block port sizes: Unlock a world of adaptability with our precisely designed port size options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each size enhances seamless integration and flawless performance across diverse systems, ensuring your operations achieve peak efficiency and versatility.
(16) End plate options: Delve into our thoughtfully engineered end plate solutions: E1, designed to externally discharge pilot oil and control port T's return; E2, expands E1's capabilities with the addition of port Y for improved flexibility; E3, integrates a sophisticated 2-position, 3-way magnetic ball valve, skillfully elevating system pressure to safety valve levels when engaged, ensuring optimal performance.
E4 mirrors E1 with an innovative approach, incorporating an internal discharge of pilot oil sealed at port T to enhance efficiency. E5 builds upon E2's features with an internal discharge, assuring superior performance. E6 mirrors the advanced E3 design, delivering state-of-the-art control for intricate system demands.
(17) Control voltage and anti-explosion cable options: Choose from our secure and tailored range, including G12-12VDC, crafted for challenging applications where safety and reliability are paramount. Our offerings promise specialization and utmost 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.
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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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