Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations represent the pinnacle of hydraulic innovation, skillfully merging pressure, flow, and directional control into a unified masterpiece. This fusion guarantees unparalleled performance and reliability across a multitude of applications. Consisting typically of three essential functional modules - connecting blocks, directional valves, and end plates - these meticulously engineered valves are crafted for flawless integration into elite hydraulic systems, vital for top-tier engineering machinery. They manage with precision the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights include a compact structure, superior energy efficiency, and the potential for stepless speed control. Moreover, they empower multiple actuators to function simultaneously under varying loads, providing extraordinary performance and versatility for any application.
The HLPSL valves are expertly designed for constant displacement pump systems, ensuring unwavering and dependable operation in any environment. Conversely, the HLPSV valves are ingeniously tailored for variable pump systems. While HLPSV valves may show a slightly reduced response time, they excel in delivering exceptional energy-saving performance, making them the ideal choice for scenarios where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control needs, offering an ideal 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 cornerstone of reliability, this pump delivers unwavering performance, ensuring your operations remain seamless and efficient. Experience remarkable dependability that keeps your system in perfect harmony, akin to a well-tuned symphony.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and versatility, this pump offers exceptional flexibility to meet diverse operational needs. With the ability to adjust to dynamic demands, it ensures smooth transitions and unparalleled control.;
(2) Connection Block Ports P & R Specifications - Merging precision with reliability, these ports form a dependable operational framework. Each component is meticulously crafted to enhance reliability, providing seamless performance across applications.:
2-G3/8; Designed for compact efficiency, this port supports streamlined operational flows with precision engineering, guaranteeing optimal performance in tight spaces.
3-G1/2; Built for robustness and reliability, this port offers a solid foundation for system integrity, ensuring long-lasting durability even under demanding conditions.;
4-G3/4; Featuring cutting-edge connectivity, this port provides superior control and enhances system integration, combining sophistication and efficiency to elevate operational prowess.;
5, 55-G1; With superior flow rates, this port is ideal for high-demand applications, delivering consistent and reliable performance. Designed for excellence, it effortlessly handles high-pressure challenges.;
6-G1 1/4; Offering unmatched performance, this port is expertly crafted to excel in challenging environments, setting new standards in power and performance.;
(3) Additional Components and Specifications - Pushing system capabilities to new horizons: Unlock the potential of your operations with advanced components that elevate excellence to a new level.:
C,Standard Type - The bedrock of reliability, this foundation is meticulously crafted to meet essential operational needs, offering steadfast support and unmatched dependability that empowers your system.;
G,Throttle Valve (For HLPSL only) - Ensuring precision control, this valve enhances the overall efficiency of your system, fine-tuning operations for maximum effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve optimizes flow management, driving exceptional performance and reliability, pushing conventional limits to achieve extraordinary outcomes.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control solutions for diverse applications: Precision-tuned to your needs, this option ensures perfect alignment with your operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Empowering your operations with tailor-made solutions that seamlessly align with your specific needs. Enjoy customizable configurations that allow you to effortlessly achieve your desired outcomes with precision and ease.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your system's efficiency and control with a sophisticated design that optimizes performance, offering unmatched control and superior effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve, triggering pump pressurization when powered, and unloading when unpowered; D - Normally closed magnetic ball valve, initiating pump unloading when powered, and pressurizing when unpowered. These options offer precision tuning for unmatched system efficiency and adaptability.D/F - Introducing an avant-garde, meticulously precision-engineered pressure limiting valve for secondary pressure (F50), crafted to maintain a distinctly defined pressure value. This engineering marvel is designed to significantly enhance advanced safety measures, elevating operational security and reliability to unparalleled heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the zenith of versatility and precision with adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This exemplar of adaptability seamlessly accommodates every hydraulic requirement. The /NF configuration offers systems without a pressure limiting valve, expertly designed for HLPSV, delivering unmatched pressure control across a broad spectrum of applications.
(7) Product Series Classification - The Pinnacle of Engineering Prowess:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterclass in design, skillfully crafted to address every application, ensuring you possess a product that seamlessly aligns with your unique requirements.
(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.
(9)Directional valve block inflow controller options: Select 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, 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: Discover an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet precise functional requirements with excellence.
(11) Output flow code for ports A & B: Reach peak efficiency with maximum output flows available: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for supreme performance and reliability.
(12) Secondary pressure limitation options: Choose 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 calibrated in bar to ensure uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Elevate your control experience with our tailored options: N, without function ON/OFF or pressure outlet; X, featuring C type pressure limitation; S/S1, crafted for AB type pressure limitation; A, offering electrical ON/OFF on side A; B, providing electrical ON/OFF on side B. Each option is engineered for unmatched precision and exceptional functionality.
(14) Operation modes: Select from a diverse spectrum of operation modes to suit your needs: A(1,2), offering manual operation with the choice of long or short handle; E, delivers electric proportional control; EA(1,2), combines the finesse of electric proportional control with manual operation; D, focuses on electric switching value control; DA(1,2), merges electric switching value control with manual operation; M, features manual friction positioning with a long handle; H, provides pure hydraulic control by aligning pilot oil ports with oil ports A and B; F, ensures pure hydraulic control with perpendicular pilot oil ports. Each mode is expertly designed for comprehensive and precise control, ensuring seamless operation.
(15) Ancillary block port sizes: Experience versatility at its finest with our ingeniously crafted options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each size is meticulously engineered to guarantee seamless adaptability and flawless integration across a myriad of systems, ensuring peak efficiency and performance.
(16) End plate options: Explore our meticulously engineered end plate solutions: E1, your standard choice, ensures an external discharge of pilot oil with an external oil return control port T. E2 enhances E1 by incorporating port Y for added flexibility; E3 boasts a sophisticated 2-position, 3-way magnetic ball valve that elevates system pressure to safety valve levels when activated, guaranteeing peak performance and reliability.
E4, building on E1, innovatively includes an internal discharge of pilot oil with a sealed port T to boost efficiency. E5 replicates the robust features of E2 with internal discharge, ensuring superior performance. E6 echoes the advanced design of E3, providing enhanced discharge control in every variation to meet complex system requirements.
(17) Control voltage and anti-explosion cable options: Opt for our secure and compatible range, featuring G12-12VDC - designed for utmost safety and reliability in even the most challenging applications. Our offerings promise 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 been a beacon of innovation and excellence in the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we are celebrated as a national high-tech enterprise, demonstrating our relentless dedication to technological advancement and superior quality. Our unparalleled expertise covers the rigorous research, development, manufacturing, and sales of premium hydraulic components. As a recognized national 'specialized, refined, and innovative' small giant enterprise, we are unwavering in our commitment to excellence, solidifying our position as leaders in the field.
Our flagship innovation, the exceptional Safety Atex Valve, stands as the epitome of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this component is crucial in critical applications including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We pride ourselves on strategic alliances with leading domestic manufacturers, advancing the localization of core hydraulic components for high-end mechanical equipment. Underpinning our efforts is our core 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, aspiring to be a globally trusted supplier of premier hydraulic components, continually setting new excellence standards worldwide.
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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