Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations represent the pinnacle of hydraulic innovation, merging pressure, flow, and directional control into a single, cohesive marvel. This integration ensures unmatched performance and reliability across a diverse range of applications. Typically comprised of three essential functional modules-connecting blocks, directional valves, and end plates-these precision-engineered valves are meticulously designed for seamless incorporation into high-end hydraulic systems, which are crucial for superior engineering machinery. They adeptly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unparalleled precision and control. Key highlights of these valves include a compact architecture, exceptional energy efficiency, and the capability for stepless speed control. Additionally, they allow multiple actuators to operate simultaneously under varying loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are expertly engineered for constant displacement pump systems, ensuring steadfast and reliable operation across all environments. Conversely, the HLPSV valves are ingeniously crafted for variable pump systems. Although HLPSV valves might exhibit a marginally slower response, they excel in delivering outstanding energy-saving performance, establishing them as the optimal 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 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 - The keystone of reliability, delivering consistent and steadfast performance to ensure smooth and efficient operations throughout your system. Experience the superior dependability that keeps your operations running like clockwork.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements. Tailored to adjust to the ever-changing demands, it allows for seamless transitions and superior control.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework: Meticulously crafted for flawless performance, enhancing reliability in every application.:
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows. Perfectly engineered for precision, it guarantees optimal performance even in the tightest spaces.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity. Built to last, delivering unwavering durability under the most demanding conditions.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration. Bringing sophistication and efficiency together to elevate your system's operational prowess.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance. Designed for excellence, it tackles high-pressure challenges with ease.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly. Setting new benchmarks in power and performance.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights: Unleashing the potential of your operations with advanced components that redefine excellence.:
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements. Providing steadfast support and unmatched reliability to empower your system.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system. Ensures your operations are fine-tuned for maximum effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability. Pushes the limits of conventional performance to deliver extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications: Tailored to your needs, providing precision control that aligns perfectly with your operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Discover bespoke solutions crafted to seamlessly fulfill your precise operational needs. Customizable configurations guarantee effortless achievement of your desired outcomes.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate efficiency and mastery: Expertly designed to boost your system's performance, delivering unmatched control and exceptional effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve, activates the pump under power, deactivates when not powered; D - Normally closed magnetic ball valve, deactivates the pump under power, activates when unpowered; Precision tuning offers unparalleled system efficiency.D/F - Introducing a cutting-edge, precision-engineered pressure limiting valve for secondary pressure (F50), crafted with exceptional accuracy to maintain a specifically defined pressure value. This engineering marvel significantly enhances safety, optimizing operational security to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unleash ultimate versatility and precision with adjustable settings ranging across 63, 120, 210, 280, 315, 350, and 400 bar levels. This component is the epitome of adaptability, seamlessly fulfilling all hydraulic needs. The /NF configuration provides systems without a pressure limiting valve, expertly crafted for HLPSV, ensuring unmatched pressure control in diverse applications.
(7) Product Series Classification - A Testament to Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a masterclass in design, meticulously conceived to address every application, ensuring you acquire 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; Including auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly engineered for flawless and seamless integration.
(9)Directional valve block inflow controller options: Select from an extensive 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 remarkable efficiency.
(10) Valve core function symbols: Delve into a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet 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 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 intricately measured in bar to ensure unwavering 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, C type pressure limitation; S/S1, AB type pressure limitation; A, electrical ON/OFF on side A; B, electrical ON/OFF on side B. Each of these solutions is engineered with precision to offer you the ultimate in control and functionality.
(14) Operation modes: Explore a multitude of operation modes to suit your needs: A(1,2), manual operation with the choice of long or short handle; E, electric proportional control; EA(1,2), a blend of electric proportional control and manual operation; D, electric switching value control; DA(1,2), combined electric switching value control and manual operation; M, manual friction positioning with long handle; H, exclusive hydraulic control aligning pilot oil ports with oil ports A and B; F, innovative hydraulic control with perpendicular pilot oil ports, each crafted to deliver comprehensive and precise control.
(15) Ancillary block port sizes: Embrace versatility with our ingeniously crafted options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each meticulously engineered to ensure seamless adaptability and flawless integration across diverse systems, guaranteeing efficiency and optimal performance.
(16) End plate options: Dive into our meticulously designed end plate solutions: E1, the standard choice, ensures external discharge of pilot oil and external oil return control port T. E2 enhances E1 with port Y for extra flexibility; E3 features a sophisticated 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels upon activation, ensuring peak performance.
E4, echoing E1, innovatively integrates an internal discharge of pilot oil with a sealed port T for enhanced efficiency. E5 mirrors the robust features of E2 with an internal discharge, ensuring optimal performance. E6 mirrors the sophisticated design of E3, offering advanced discharge control to meet complex system demands.
(17) Control voltage and anti-explosion cable options: Select from our secure and compatible range, including G12-12VDC, designed for safety and reliability in the most demanding applications. These options ensure specialization and 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 stood as a beacon of innovation and excellence within the hydraulic industry. Proudly operating as a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), our company is celebrated as a national high-tech enterprise, showcasing our dedication to technological advancement and superior quality. Our unparalleled expertise spans across the rigorous research, development, manufacturing, and sales of premium hydraulic components. Recognized as a 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 creation, the enhanced Safety Atex Valve, represents the pinnacle of cutting-edge hydraulic system control. This expertly crafted component is designed for use in construction machinery and heavy-duty equipment, playing a vital role in critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take great pride in our strategic alliances with leading domestic manufacturers, significantly advancing the localization of core hydraulic components for high-end mechanical equipment. Guided by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are steadfast in our pursuit of delivering exceptional products, services, and solutions. Our mission is to emerge as a globally trusted supplier of premier hydraulic components, continually setting new standards of excellence on the world 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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