Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels represent the pinnacle of hydraulic advancement, seamlessly integrating pressure, flow, and directional control into one unified masterpiece. This ensures unparalleled performance and unwavering reliability across every application. Typically composed of three critical functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are meticulously crafted for flawless integration into high-end hydraulic systems, essential for superior engineering machinery. They expertly govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key highlights include a compact structure, exceptional energy efficiency, and the capability for stepless speed control. Furthermore, they empower multiple actuators to operate in harmony 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 functionality in any environment. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves might exhibit a marginally slower response, they excel in delivering exceptional energy conservation, establishing themselves as the perfect choice for scenarios where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, offering an exemplary 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 - A stalwart of reliability, this pump is crafted for unwavering and consistent performance, ensuring operations that are as smooth as they are efficient. Discover the high dependability that keeps your systems operating without a hitch.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and versatility, this pump provides extraordinary flexibility, designed to meet a vast array of operational needs. It seamlessly adjusts to ever-evolving demands, offering unmatched control and effortless transitions.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability converge to create a dependable operational foundation: Crafted with meticulous care for flawless performance, significantly enhancing reliability in every application.:
2-G3/8; Engineered for compact efficiency, this design promotes streamlined and seamless operational flows. Perfectly designed for precision, it assures optimal performance even in the most confined spaces.
3-G1/2; Built for robustness and unwavering reliability, forming a solid foundation for your system's integrity. This component is designed to endure, delivering consistent durability under the harshest conditions.;
4-G3/4; With advanced connectivity features, it offers superior control and enhanced integration across your system. Combining sophistication and efficiency, it elevates your operational capabilities to new heights.;
5, 55-G1; Equipped to provide superior flow rates, it is ideal for high-demand applications, ensuring consistent and reliable performance. It's engineered for excellence, effortlessly handling high-pressure challenges.;
6-G1 1/4; This component delivers unmatched performance, expertly crafted to excel in demanding environments and effortlessly manage challenges. It sets new standards in power and performance.;
(3) Additional Components and Specifications - Taking system capabilities to extraordinary levels: Harnessing advanced components to unleash the full potential of your operations, setting new benchmarks for excellence.:
C,Standard Type - A steadfast and trusted foundation, meticulously crafted to meet all critical operational requirements. It provides unwavering support and unmatched reliability to empower your systems.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, boosting the overall efficiency of your system. It fine-tunes your operations for peak performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving exceptional performance and reliability. It challenges conventional limits to deliver extraordinary outcomes.;
(4) Pilot Oil Circuit Pressure Options - Customized pressure control solutions for diverse applications: Precisely tailored to your needs, offering precision control that perfectly aligns with your operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); We provide solutions meticulously crafted to harmonize with your operational needs, ensuring seamless integration and satisfaction. Enjoy customizable configurations that empower you to achieve your desired results effortlessly.
(5) 2/2-Way Magnetic Ball Valve for System Unloading - Elevate your system's operational efficiency and control: Expertly designed to fine-tune your system's performance, delivering unrivaled control and heightened effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve, powers the pump to pressurize, and unloads when unpowered; D - Normally closed magnetic ball valve, powers to unload and pressurizes when unpowered; Offering precision tuning for unparalleled system efficiency and performance.D/F - Introducing a cutting-edge, precision-engineered pressure limiting valve for secondary pressure (F50), crafted to sustain a precise pressure value. This engineering innovation significantly advances safety measures, optimizing operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embrace unparalleled versatility and precision with adjustable settings ranging across 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability and precision, meeting every hydraulic requirement with the /NF configuration for systems without a pressure limiting valve, expertly crafted for HLPSV, delivering unmatched pressure control.
(7) Product Series Classification - Embodying Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a testament to masterful design, expertly conceived to address every application, ensuring a seamless match for your specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Seamlessly integrate with ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, each precisely designed for flawless integration.
(9)Directional valve block inflow controller options: Discover a comprehensive selection 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 designed for precision and exceptional efficiency.
(10) Valve core function symbols: Delve into a diverse collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill specific functional requirements.
(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 engineered for top-tier performance and reliability.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all meticulously measured in bar to ensure uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Unleash precision and customization with our tailored options: N, without function ON/OFF or pressure outlet; X, equipped with C type pressure limitation for refined control; S/S1, featuring AB type pressure limitation for enhanced versatility; A, electrical ON/OFF on side A for optimal control; B, electrical ON/OFF on side B, each designed to deliver unparalleled precision and functionality.
(14) Operation modes: Experience a spectrum of control possibilities with our diverse operation modes: A(1,2), manual operation with the choice of long or short handle; E, electric proportional control for dynamic responsiveness; EA(1,2), a seamless combination of electric proportional control and manual operation; D, electric switching value control; DA(1,2), an innovative blend of electric switching value control and manual operation; M, manual friction positioning using a long handle for ultimate precision; H, pure hydraulic control aligning pilot oil ports with A and B ports; F, pure hydraulic control with perpendicular pilot oil ports, all crafted for precise and versatile operation.
(15) Ancillary block port sizes: Explore the epitome of versatility with our ingeniously designed options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each option is masterfully engineered for smooth adaptability and perfect integration across a variety of systems, ensuring exceptional efficiency and peak performance.
(16) End plate options: Dive into our intricately crafted end plate solutions: E1, the standard choice, guarantees an external discharge of pilot oil with an external oil return control port T. E2 enhances E1 by including port Y for added flexibility; E3 incorporates a sophisticated 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve standards upon activation, ensuring superior performance.
E4, akin to E1, integrates an internal discharge of pilot oil with a sealed port T for elevated efficiency. E5, resembling E2, offers the internal discharge feature for optimal functionality. E6, mirroring the advanced design of E3, provides superior discharge control tailored to meet complex system requirements.
(17) Control voltage and anti-explosion cable options: Choose from our reliable and compatible selection, including G12-12VDC, engineered for safety and dependability in challenging applications. Our options guarantee specialized functionality 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 emerged as a luminary in the hydraulic sector, embodying the spirit of innovation and excellence. As a distinguished subsidiary of the renowned China Baoan Group (stock code: 000009), we are proud to be recognized as a national high-tech enterprise, a testament to our relentless pursuit of technological advancement and superior quality. Our exceptional expertise encompasses the comprehensive research, development, manufacturing, and sales of first-rate hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we remain steadfast in our dedication to excellence, fortifying our stance as pioneers in the industry.
Our signature innovation, the advanced Safety Atex Valve, epitomizes the very essence of state-of-the-art hydraulic system control. This meticulously engineered component is indispensable in construction machinery and robust equipment, serving crucial functions in critical sectors such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We proudly forge strategic partnerships with leading domestic manufacturers, substantially advancing the localization of pivotal hydraulic components for high-end mechanical equipment. Anchored by our core philosophy-'serving customers with technology, impressing them with our attitude, and retaining them with quality'-we are resolute in our mission to deliver exemplary products, services, and solutions. Our vision is to ascend as a globally revered supplier of top-tier hydraulic components, consistently setting 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.
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