Introducing the extraordinary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a true testament to hydraulic excellence. These state-of-the-art engineering creations epitomize the fusion of pressure, flow, and directional control into one unified, sophisticated marvel. This guarantees supreme performance and dependability across every application. Typically assembled with three essential functional modules-connecting blocks, directional valves, and end plates-these precision-crafted valves are engineered for flawless integration into high-performance hydraulic systems, crucial for elite engineering machinery. They expertly regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unrivaled precision and control. Key features include a compact construction, outstanding energy efficiency, and the potential for seamless speed control. Additionally, they enable simultaneous operation of multiple actuators under various loads, providing exceptional performance and versatility for any application.
The HLPSL valves are expertly designed for constant displacement pump systems, ensuring unwavering and dependable operation in any setting. Conversely, the HLPSV valves are ingeniously developed for variable pump systems. While HLPSV valves might display a marginally slower response, they excel in delivering outstanding energy-saving performance, making them the ideal choice when efficiency is of utmost importance. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the ultimate solution for advanced hydraulic control needs, offering the perfect balance 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: A comprehensive key to unlocking flawless integration within your system.
HLPSL: Constant Displacement Pump - The bedrock of unwavering reliability, this pump guarantees persistent and steady performance, empowering seamless and efficient operations throughout your system. Discover the unparalleled dependability that keeps your machinery running with precision and excellence.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, this pump delivers remarkable flexibility to cater to a wide array of operational requirements. Crafted to evolve with changing demands, it facilitates smooth transitions and exceptional control.;
(2) Connection Block Ports P & R Specifications - Where precision harmonizes with reliability to create a steadfast operational framework: Designed with meticulous attention to ensure flawless performance, it elevates reliability in every application.:
2-G3/8; Engineered for compact efficiency, this size is tailored to support streamlined and seamless operations. Perfectly crafted for precision, it delivers outstanding performance even in the most confined spaces.
3-G1/2; Built for robustness and reliability, this size provides a solid foundation for maintaining system integrity. Designed to withstand, it offers steadfast durability even in demanding conditions.;
4-G3/4; Featuring advanced connectivity for superior control and enhanced system integration. This size combines sophistication with efficiency to elevate your system's operational capabilities.;
5, 55-G1; Enabling superior flow rates, this size is ideal for high-demand applications, ensuring consistent and reliable performance. Designed for excellence, it meets high-pressure challenges with ease.;
6-G1 1/4; Offering unmatched performance, this size is expertly engineered to excel in challenging environments, setting new standards in power and efficiency.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights: Unlock the full potential of your operations with advanced components that redefine excellence.:
C,Standard Type - A trustworthy foundation, meticulously designed to meet essential operational requirements. Offering unwavering support and unmatched reliability to empower your system.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, boosting the overall efficiency of your system. It fine-tunes your operations for maximum effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, delivering exceptional performance and reliability. Surpassing traditional limits, it yields extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Introducing bespoke pressure control solutions for a multitude of applications: Meticulously crafted to meet your individual specifications, our solutions promise precision adjustments that align seamlessly with your operational aspirations.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing expertly tailored solutions that integrate seamlessly with your unique operational profile. Discover customizable configurations that enable you to achieve your desired results with effortless precision and efficiency.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Harnessing cutting-edge design to elevate system performance: This component offers unmatched control and efficiency, transforming your operational capabilities with superior effectiveness and precision.C - No magnetic ball valve; F - Normally open magnetic ball valve, activating pump pressure when powered, unloading when unpowered; D - Normally closed magnetic ball valve, unloading pump when powered, pressurizing when unpowered. Ensuring precision adjustments for maximum system efficiency and flexibility.D/F - Unveiling a state-of-the-art, precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with extraordinary accuracy to sustain a specifically defined pressure value, substantially advancing safety measures while optimizing operational security and reliability to exceptional standards.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the epitome of versatility and precision with adjustable settings across 63, 120, 210, 280, 315, 350, and 400 bar levels. This component embodies adaptability, effortlessly fulfilling every hydraulic need. The /NF configuration includes systems without a pressure limiting valve, expertly designed for HLPSV, delivering unparalleled pressure control across a variety of applications with impeccable precision.
(7) Product Series Classification - The Pinnacle of Engineering Prowess:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterclass in design, ingeniously conceived to cater to every application, guaranteeing you a product that aligns flawlessly with your specific needs, consistently delivering outstanding 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 ZPL 5S(V)/H intermediate transition block hydraulic control shut-off valve, meticulously designed for flawless and seamless integration, ensuring peak efficiency.
(9)Directional valve block inflow controller options: Choose from a wide array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, tailored specifically for the N 3/3-way valve; 5, enhanced inflow controller. Experience pre-selectable options, each providing precision and exceptional efficiency, customized to fit your specific requirements.
(10) Valve core function symbols: Explore an expansive range of core functions: L, M, F, H, J, B, R, O, N, each thoughtfully designed to meet precise functional needs with unmatched reliability and precision.
(11) Output flow code for ports A & B: Achieve peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for supreme performance and unwavering reliability.
(12) Secondary pressure limitation options: Discover unparalleled versatility with our range of pressure limitation configurations, meticulously designed for optimum system safety and reliability. Choose 'N' for no pressure limiting protection, 'C' for concurrent pressure limitation of actuator ports A & B, or 'A---B---' for independent control over ports A & B. Every option is finely gauged in bar, ensuring the highest standards of operational security.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your equipment's capabilities with our tailored function ON/OFF and pressure outlet selections. Opt for 'N' for a minimalist setup, void of function ON/OFF or pressure outlet. Select 'X' for integration with C type pressure limitation, or 'S/S1' to complement with AB type pressure limitation, granting superior control. For precision and tailored functionality, choose 'A' for electrical ON/OFF on side A, or 'B' on side B.
(14) Operation Modes: Discover the extensive versatility of our operation modes, crafted for precision and adaptability. Manual operation 'A(1,2)' offers a choice between a long or short handle, while 'E' delivers electric proportional control. For a fusion of these, 'EA(1,2)' offers combined electric and manual operation. 'D' provides electric switching value control, enhanced by 'DA(1,2)' with manual capabilities. 'M' is uniquely designed for manual friction positioning with a long handle. Lastly, experience pure hydraulic control with 'H' and 'F', featuring expertly aligned pilot oil ports for comprehensive management.
(15) Ancillary Block Port Sizes: Revolutionize your system's adaptability with our precision-engineered ancillary block port sizes. Options include /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, each crafted to integrate seamlessly and enhance performance across diverse system requirements, ensuring top-tier operational success.
(16) End Plate Options: Delve into our premium end plate solutions, each crafted for superior performance. 'E1' offers standard external pilot oil discharge with an oil return control port T. 'E2' adds a port Y for enhanced flexibility, while 'E3' features a 2-position, 3-way magnetic ball valve, elevating system pressure safely to match safety valve levels upon activation, ensuring exceptional operational efficacy.
E4 mirrors 'E1' but incorporates an advanced internal discharge of pilot oil with a sealed port T, optimizing efficiency. 'E5' builds on 'E2' with internal discharge, enhancing operational robustness. 'E6', embodying the sophistication of 'E3', offers advanced discharge control, making it ideal for complex system demands.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our robust selection of control voltage options, including G12-12VDC, designed to withstand and excel in challenging environments. Our offerings ensure heightened security and specialized functionality.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.
Question:3. How to proceed with an order for LED lights?
Answer: Begin the process by communicating your detailed requirements or intended applications to us. We will then craft a tailored quote specifically for you, either based on your unique needs or through our seasoned advice. Once the drawings are finalized and a deposit is made, we will formalize the order and initiate production. We promise adherence to every specification with precision, ensuring a seamless and bespoke solution just for you.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, guaranteeing that every detail is executed to perfection for a seamless and tailored solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is certainly feasible. Kindly ensure that you formally notify us prior to the commencement of production and confirm the design based on the sample we provide. This guarantees that your branding is represented with unparalleled precision and excellence, perfectly capturing your identity.
Audited Supplier 
){kind=link}