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 - This pump is the cornerstone of reliability, offering steadfast and consistent performance. Its operation ensures your system runs smoothly and efficiently with clockwork precision, delivering superior dependability that keeps your machinery in perfect harmony.;
HLPSV: Variable Displacement Pump - This pump stands as a beacon of adaptability and versatility, engineered to provide remarkable flexibility that caters to a wide spectrum of operational needs. It seamlessly adjusts to evolving demands, allowing for smooth transitions and exceptional control to maximize efficiency.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability here, forging a dependable operational blueprint. These ports are meticulously designed for flawless performance, enhancing reliability across all applications and ensuring consistent, top-tier operation.:
2-G3/8; Designed for compact proficiency, this connection supports streamlined and seamless operational flows. It's engineered with precision, guaranteeing optimal performance even in the tightest spaces, ensuring each operation meets the highest standards.
3-G1/2; Crafted for robustness and reliability, this connection forms a solid base for system integrity. Built for longevity, it delivers steadfast durability under the most demanding conditions, ensuring your system withstands the test of time.;
4-G3/4; With advanced connectivity, this component offers superior control and enhanced system integration. This sophisticated design elevates your system, merging efficiency and control to enhance operational prowess.;
5, 55-G1; Featuring superior flow rates, this connection is ideal for high-demand applications, ensuring consistent and reliable performance. It's crafted for excellence, tackling high-pressure challenges effortlessly, making it indispensable in rigorous environments.;
6-G1 1/4; Delivering unmatched performance, this connection is expertly designed to excel in demanding environments and handle challenges with ease. It sets new benchmarks in power and performance, reinforcing its position as an industry leader.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights, this suite of advanced components redefines excellence, enhancing system performance to ensure your operations lead the industry standards.:
C,Standard Type - A reliable and trusted foundation, this component is meticulously designed to meet essential operational requirements. It provides steadfast support and unmatched reliability to empower your system, ensuring it withstands the rigors of daily operations.;
G,Throttle Valve (For HLPSL only) - Providing precision control, this valve enhances system efficiency. It fine-tunes operations for maximum effectiveness, effortlessly optimizing your system's performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This component maximizes flow management, delivering unparalleled performance and dependability. It pushes the boundaries of conventional performance to consistently achieve extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Delivering bespoke pressure control solutions for diverse applications: Meticulously tailored to fit your precise requirements, offering precision control that seamlessly integrates with your operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing expertly customized solutions that effortlessly meet your specific operational demands. Customizable configurations ensure you achieve desired outcomes with unmatched convenience and efficiency.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Maximizing efficiency and control: Expertly crafted to enhance your system's performance, delivering unrivaled control and exceptional effectiveness, ensuring optimal operational success.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 and adaptability.D/F - Unveiling an innovative, meticulously precision-engineered pressure limiting valve for secondary pressure (F50), designed with exceptional precision to maintain a precisely defined pressure value. This engineering marvel is crafted to significantly boost advanced safety measures, thereby optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unparalleled versatility and precision with adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, seamlessly accommodating all hydraulic requirements. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, delivering unmatched pressure control across a wide array 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 specific application, ensuring you acquire a product that seamlessly aligns with your precise requirements, offering superior functionality and reliability.
(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, enhancing overall system functionality.
(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, perfectly tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and outstanding efficiency.
(10) Valve core function symbols: Explore an expansive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill specific functional requirements with absolute precision.
(11) Output flow code for ports A & B: Achieve peak operational efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for supreme performance and unwavering dependability, ensuring sustained success.
(12) Secondary pressure limitation options: Immerse yourself in our elite selection of premium options, expertly designed to provide unparalleled system safety. Choose from: 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. Each choice is meticulously calibrated in bar, ensuring uncompromising protection tailored to your precise needs.
(13) Function ON/OFF and pressure outlet options: Elevate your control capabilities with our expertly crafted options. Personalize your system with: N, featuring no function ON/OFF or pressure outlet; X, offering C type pressure limitation; S/S1, delivering AB type pressure limitation; A, providing electrical ON/OFF on side A; B, featuring electrical ON/OFF on side B. Each option is engineered to offer unmatched precision and reliability in functionality, empowering you to achieve your desired outcomes with confidence.
(14) Operation modes: Maximize your control with our diverse and comprehensive operation modes. Explore: A(1,2), manual operation with choices of long or short handle for maximum comfort; E, electric proportional control for dynamic adjustments; EA(1,2), a seamless blend of electric proportional control with manual operation; D, electric switching value control for swift response; DA(1,2), a synergy of electric switching value control and manual operation; M, manual friction positioning with a long handle for steady control; H, pure hydraulic control with pilot oil ports aligned with ports A and B; F, pure hydraulic control with perpendicular pilot oil ports. Each mode is intricately crafted for precision and versatility, enriching your operational experience.
(15) Ancillary block port sizes: Discover unmatched adaptability and flawless integration with our meticulously engineered port size options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These options are designed to ensure seamless adaptability across various systems, guaranteeing efficiency and peak performance. Our expertly crafted solutions promise to meet the diverse needs of your application with ease and precision.
(16) End plate options: Immerse yourself in our expertly designed end plate solutions: E1, enabling an external discharge of pilot oil and external oil return control port T. E2 enhances E1 by integrating port Y for superior flexibility. E3 features a sophisticated 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, ensuring maximum performance and reliability. These meticulously crafted options are designed to meet your every need with precision and excellence.
E4 mirrors E1 but innovatively incorporates an internal discharge of pilot oil with a sealed port T, enhancing efficiency. E5 elevates the features of E2 with an internal discharge, guaranteeing top-tier performance. E6 reflects the advanced design of E3, providing cutting-edge discharge control suitable for complex system requirements. Each option is a masterpiece of engineering, dedicated to ensuring the highest level of performance and safety.
(17) Control voltage and anti-explosion cable options: Choose from our secure and reliable range, including G12-12VDC, designed for demanding applications that prioritize safety and reliability. Our offerings are crafted to ensure specialized performance and security, meeting the stringent demands of your application with confidence and assurance.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 emerged as a beacon of innovation and excellence within the hydraulic industry. A distinguished subsidiary of the illustrious China Baoan Group (stock code: 000009), our company is revered as a national high-tech enterprise, continually showcasing our relentless commitment to technological advancement and unmatched quality. Our expertise, which is second to none, spans comprehensive research, development, manufacturing, and sales of top-notch hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we remain resolute in our pursuit of excellence, reinforcing our leadership in the field.
Introducing our flagship innovation, the enhanced Safety Atex Valve, a quintessential representation of cutting-edge hydraulic system control technology. This meticulously crafted component is essential for construction machinery and heavy-duty equipment, serving pivotal roles in 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 advanced mechanical equipment. Driven by our founding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we remain steadfast in our quest to deliver outstanding products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, continually setting new standards of excellence on the international 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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