Introducing our pioneering HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These extraordinary engineering marvels represent the pinnacle of hydraulic innovation, masterfully combining pressure, flow, and directional control into one integrated masterpiece. This guarantees unrivaled performance and reliability across a broad spectrum of applications. Typically comprising three essential functional modules-connecting blocks, directional valves, and end plates-these meticulously engineered valves are crafted for seamless integration into sophisticated hydraulic systems, crucial for high-performance engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key features include a compact structure, exceptional energy efficiency, and the capability for infinite speed regulation. Moreover, they enable multiple actuators to function simultaneously under various loads, providing extraordinary performance and versatility for every application.
The HLPSL valves are expertly engineered for constant displacement pump systems, ensuring unwavering and dependable operation in any environment. Conversely, the HLPSV valves are ingeniously designed for variable pump systems. Although HLPSV valves may exhibit a slightly slower response, they excel in offering remarkable 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 top-tier solution for sophisticated hydraulic control needs, presenting an exceptional 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 - A paragon of reliability, this pump provides unwavering and consistent performance, ensuring seamless and efficient operations across your entire system. Revel in the dependability that keeps your machinery working flawlessly, maintaining precise functionality time and again.;
HLPSV: Variable Displacement Pump - This pump embodies adaptability and versatility, offering exceptional flexibility to cater to a vast range of operational requirements. Designed to seamlessly adjust to dynamic demands, it allows smooth transitions and provides superior control for peak efficiency.;
(2) Connection Block Ports P & R Specifications - Where precision merges with reliability, forming a dependable operational framework: Crafted with meticulous attention to deliver unparalleled performance, enhancing reliability in every application. This robust design ensures consistent, top-tier operation.:
2-G3/8; Crafted for compact proficiency, it facilitates seamless and streamlined operational flows. Designed with precision, it guarantees optimal performance even in the most confined spaces, ensuring every operation adheres to demanding standards.
3-G1/2; Built for robustness and reliability, this connection offers a steadfast foundation for system integrity. Engineered to endure, it delivers unwavering durability under challenging conditions, ensuring your system remains resilient over time.;
4-G3/4; With advanced connectivity, it provides superior control and enhanced system integration. This sophisticated design elevates your system, merging efficiency and control to advance operational excellence.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance. This component, designed for excellence, effortlessly tackles high-pressure challenges, making it indispensable in demanding environments.;
6-G1 1/4; Offering unmatched performance, expertly crafted to excel in challenging environments and handle obstacles with ease. This connection redefines power and performance, solidifying its position as an industry leader.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights: Harnessing the potential of advanced components that redefine excellence, enhancing system performance to ensure your operations consistently surpass industry standards.:
C,Standard Type - Serving as a reliable and trusted foundation, meticulously crafted to fulfill essential operational needs. It provides steadfast support and unmatched reliability, empowering your system to withstand the rigors of daily operations effortlessly.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing 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) - Maximizes flow management, driving exceptional performance and dependability. This component pushes the boundaries of conventional performance, consistently delivering extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications: Tailor-made to fit your exact requirements, these solutions deliver precision control that aligns seamlessly with your operational goals, ensuring optimal performance under any condition.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. These customizable configurations ensure you achieve your desired outcomes with unparalleled convenience and reliability.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control: This expertly designed valve enhances system performance, delivering unrivaled control and exceptional effectiveness, ensuring your equipment remains at peak performance.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 reliability.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 significantly enhances advanced safety measures, 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.
(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. Ensure you acquire a product that seamlessly aligns with your specific requirements, offering robust solutions for complex challenges.
(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, ensuring operational continuity and reliability.
(9)Directional valve block inflow controller options: Choose from a comprehensive array of options, designed to meet diverse needs: 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.
(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, ensuring your system performs with utmost precision and reliability.
(11) Output flow code for ports A & B: Elevate your machinery's capabilities with these premier maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each is expertly engineered to deliver unsurpassed performance and steadfast reliability, ensuring your operations run smoothly and efficiently.
(12) Secondary pressure limitation options: Opt for our elite selection to guarantee system integrity at all times. Choose 'N' for no pressure limiting, 'C' for simultaneous pressure limitation at actuator ports A & B, or 'A---B---' for differentiated pressure control at ports A & B. Each choice is meticulously calibrated in bar, securing robust, uncompromised system protection.
(13) Function ON/OFF and pressure outlet options: Perfectly tailor your system's controls with our bespoke options: 'N' omits function ON/OFF and pressure outlet features; 'X' activates C type pressure limitation; 'S/S1' applies AB type pressure control; 'A' provides electrical ON/OFF for side A, while 'B' for side B. Each configuration is designed for unparalleled accuracy and dependability.
(14) Operation modes: Achieve pinnacle control versatility with our extensive operation modes: 'A(1,2)' offers manual operation with either a long or short handle; 'E' provides electric proportional control; 'EA(1,2)' combines electric proportional control with manual operation; 'D' signifies electric switching value control; 'DA(1,2)' merges electric switching value control with manual operation; 'M' allows manual friction positioning with a long handle; 'H' and 'F' offer pure hydraulic control with differing pilot oil port alignments. Crafted for precision and adaptability, these modes ensure flawless system performance.
(15) Ancillary block port sizes: Discover unmatched flexibility with our precisely crafted options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These configurations assure seamless integration and adaptability across diverse applications, optimizing system efficiency and guaranteeing superior performance.
(16) End plate options: Delve into our expertly designed end plate solutions: 'E1' facilitates an external discharge of pilot oil with external oil return port T control; 'E2' augments E1 with port Y for enhanced versatility; 'E3' incorporates a sophisticated 2-position, 3-way magnetic ball valve, ensuring system pressures are elevated to safety valve levels upon activation for unrivaled performance.
E4 provides the benefits of E1 with an innovative internal discharge of pilot oil and a sealed port T, maximizing efficiency. E5 builds on E2's features with internal discharge for superior performance, while E6 mirrors E3's advanced design, offering state-of-the-art discharge control for the most demanding system needs.
(17) Control voltage and anti-explosion cable options: Choose from our secure and specialized offerings, including 'G12-12VDC', crafted for rigorous applications with paramount focus on safety and dependability. Our comprehensive selection ensures your system's operational security.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its founding in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has firmly established itself as a beacon of innovation and distinction within the ever-evolving hydraulic industry. As a distinguished arm of the illustrious China Baoan Group (stock code: 000009), we proudly stand as a national high-tech enterprise, a testament to our relentless pursuit of technological advancements and supreme quality. Our mastery spans the entire spectrum of research, development, manufacturing, and sales of superior hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we continue to uphold our unwavering commitment to excellence, strengthening our pioneering position in the industry.
Introducing our groundbreaking innovation: the Enhanced Safety Atex Valve, representing the pinnacle of state-of-the-art hydraulic system control technology. This expertly crafted component is essential for high-performance construction machinery and heavy-duty equipment, making it indispensable in critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are immensely proud of our strategic collaborations with leading domestic manufacturers, which have significantly advanced the localization of core hydraulic components for cutting-edge mechanical equipment. Driven by our foundational philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are steadfast in our mission to deliver exceptional products, services, and solutions. Our vision is to ascend as a globally trusted provider of top-tier 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.
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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