Introducing the extraordinary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a testament to the zenith of hydraulic engineering. These revolutionary marvels deftly orchestrate pressure, flow, and directional control into a singular, cohesive symphony of innovation. This ensures unparalleled performance and reliability, elevating every application to new heights. Typically comprised of three vital functional modules - connecting blocks, directional valves, and end plates - these precision-crafted valves are the epitome of seamless integration within sophisticated hydraulic systems, essential for superior engineering machinery. They expertly regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision and control. Standout features include their compact structure, exceptional energy efficiency, and the capability for stepless speed control. Additionally, they enable multiple actuators to operate simultaneously under varying loads, delivering extraordinary performance and unmatched versatility that caters to any application.
The HLPSL valves are meticulously engineered for constant displacement pump systems, ensuring unwavering and reliable operation across diverse environments. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves may exhibit a slightly slower response, they excel in delivering phenomenal energy-saving performance, rendering them the optimal choice for scenarios where efficiency takes precedence. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control needs, offering a perfect 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 stalwart of stability, this pump is synonymous with unwavering reliability and consistent output, ensuring your operations run smoothly and efficiently. Appreciate the unmatched trustworthiness that keeps your equipment functioning seamlessly.;
HLPSV: Variable Displacement Pump - A paradigm of flexibility and efficiency, it provides superb adaptability to fulfill a vast array of operational requirements. Engineered to adjust to changing demands, it offers exceptional transitions and precise management.;
(2) Connection Block Ports P & R Specifications - The intersection of precision and trust, forming a steadfast operational structure: Crafted with impeccable precision for flawless operation, elevating reliability in all applications.:
2-G3/8; Tailored for compact efficiency, designed to support streamlined and smooth operational performance. Precisely crafted to ensure remarkable accuracy, even in the most limited spaces.
3-G1/2; Built for strength and reliability, providing a sturdy backbone for your system's integrity. Crafted to withstand, delivering consistent durability under the harshest conditions.;
4-G3/4; Featuring advanced connection capabilities, offering refined control and enhanced system integration. It marries sophistication with efficiency to boost your system's operational capacity.;
5, 55-G1; Delivering superior flow rates, perfect for high-demand applications, ensuring consistent and dependable performance. Designed for excellence, it faces high-pressure challenges effortlessly.;
6-G1 1/4; Offering unmatched performance, skillfully engineered to excel in challenging environments and handle obstacles with ease. Establishing new benchmarks in power and performance.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented levels: Unlock the full potential of your operations with state-of-the-art components that define excellence.:
C,Standard Type - A cornerstone of reliability, meticulously crafted to meet fundamental operational needs. Providing steadfast support and unparalleled reliability to fortify your system.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, boosting your system's overall efficiency. It guarantees finely tuned operations for optimal performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Enhances flow management, driving unrivaled performance and trustworthiness. It goes beyond traditional limits to achieve extraordinary outcomes.;
(4) Pilot Oil Circuit Pressure Options - Delivering customized pressure control solutions for various applications: Tailored to your precise requirements, providing precision control that perfectly aligns with your operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering custom-engineered solutions tailored to seamlessly align with your unique operational demands. Experience customizable configurations that ensure you achieve your desired outcomes effortlessly and with precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control: Expertly designed to optimize your system's performance, offering unparalleled control and superior effectiveness that transforms your operational capabilities.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. Providing precision tuning for unmatched system efficiency and adaptability.D/F - Introducing a state-of-the-art, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with remarkable accuracy to maintain a specifically defined pressure value, significantly enhancing advanced safety measures and optimizing operational security and reliability to unparalleled heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in the ultimate in versatility and precision with adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, seamlessly meeting every hydraulic requirement. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, delivering unmatched pressure control across diverse applications with supreme accuracy.
(7) Product Series Classification - The Apex of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series embodies a masterclass in design, skillfully conceived to address every application, ensuring you procure a product that seamlessly aligns with your specific requirements, delivering consistently exceptional performance.
(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, meticulously engineered for flawless and seamless integration, ensuring optimal efficiency.
(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, tailored for the N 3/3-way valve; 5, enhanced inflow controller. Experience pre-selectable options, each offering precision and exceptional efficiency, tailored to your specific needs.
(10) Valve core function symbols: Discover an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements with unmatched precision and reliability.
(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 designed for supreme performance and unwavering dependability.
(12) Secondary Pressure Limitation Options: Take control with our diverse selection of secondary pressure limitation choices: N, featuring no pressure limiting protection; C, offering concurrent pressure limitation across actuator ports A & B; and A---B---, providing independent pressure limitation for ports A & B. Every option is expertly measured in bar, guaranteeing unwavering system safety and reliability.
(13) Function ON/OFF and Pressure Outlet Options: Revolutionize your operational process with our sophisticated customizable selections. Opt for 'N' to maintain a minimalist setup without function ON/OFF or pressure outlet capabilities. Choose 'X' with C type pressure limitation for precise control, or 'S/S1' with AB type pressure limitation for amplified operational command. For electrical ON/OFF, select 'A' on side A or 'B' on side B, each option meticulously tailored for unmatched precision and functionality.
(14) Operation Modes: Discover a diverse array of operation modes crafted for versatility and precision. 'A(1,2)' offers manual operation with options for a long or short handle; 'E' provides electric proportional control for seamless operation; 'EA(1,2)' combines it with manual operation for unparalleled flexibility. 'D' delivers electric switching value control, with 'DA(1,2)' adding manual operation capabilities. 'M' is specialized for manual friction positioning with a long handle. Unleash the potential of 'H' and 'F' for pure hydraulic control, where pilot oil ports are artfully aligned or perpendicular, guaranteeing robust command over your system.
(15) Ancillary Block Port Sizes: Enhance adaptability with our meticulously engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1. Each selection is crafted to ensure seamless integration and adaptability, promising optimal performance across an extensive range of systems.
(16) End Plate Options: Delve into our precision-engineered end plate solutions. 'E1' serves as the standard, featuring an external discharge of pilot oil alongside an oil return control port T. 'E2' elevates functionality with an additional port Y, offering increased flexibility. 'E3' introduces a 2-position, 3-way magnetic ball valve, which, when activated, elevates system pressure to safety valve standards, ensuring superior performance.
E4, mirroring 'E1', integrates an innovative internal discharge of pilot oil with a sealed port T for enhanced efficiency. 'E5' mirrors the robust features of 'E2', offering internal discharge for peak performance. 'E6' encapsulates the advanced design of 'E3', delivering sophisticated discharge control for the most demanding system requirements.
(17) Control Voltage and Anti-Explosion Cable Options: Select from our reliable and secure range, including G12-12VDC, designed for safety and dependability even in the most challenging environments. Our options are engineered to ensure 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 illuminated the hydraulic industry with its relentless commitment to innovation and unparalleled excellence. As a proud and prestigious subsidiary of the revered China Baoan Group (stock code: 000009), we stand tall as a national high-tech enterprise, a testament to our unwavering dedication to technological progression and superior quality standards. Our unparalleled expertise encompasses the meticulous research, pioneering development, precise manufacturing, and strategic sales of premium hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we remain steadfast in our pursuit of excellence, reinforcing our leadership position in the field.
At the heart of our product line stands the flagship innovation: the Enhanced Safety Atex Valve. This masterpiece of modern engineering embodies the zenith of cutting-edge hydraulic system control, meticulously crafted for deployment in construction machinery and robust heavy-duty equipment. It plays a vital role in imperative applications ranging from emergency rescue operations to tunnel engineering, mining endeavors, and the deployment of municipal service vehicles. We are profoundly committed to our strategic alliances with leading domestic manufacturers, propelling the advancement of core hydraulic component localization for high-end mechanical equipment. Anchored by our guiding philosophy - 'serving customers with technology, impressing customers with our attitude, and retaining customers with quality' - we are unwavering in our quest to deliver exceptional products, unparalleled services, and innovative solutions. With a vision to emerge as a globally trusted supplier of premier hydraulic components, we continually aspire to set new benchmarks 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.
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.
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