Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These extraordinary feats of engineering represent the pinnacle of hydraulic innovation, masterfully blending pressure, flow, and directional control into one unified masterpiece. This design guarantees unmatched performance and reliability across all applications. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these meticulously engineered valves are tailored for seamless integration within high-end hydraulic systems, crucial for exceptional engineering machinery. They precisely regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Key features include a compact structure, exceptional energy efficiency, and the capability for stepless speed control. Furthermore, they allow multiple actuators to operate simultaneously under diverse 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. Meanwhile, the HLPSV valves are ingeniously crafted for variable pump systems. Although HLPSV valves may exhibit a slightly slower response, they excel in delivering outstanding energy-saving performance, making them 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 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 - The foundation of unwavering reliability, this pump ensures steady and dependable performance, making certain that your operations proceed seamlessly and efficiently. Discover the exceptional dependability that keeps your machinery in perfect synchronization.;
HLPSV: Variable Displacement Pump - The epitome of flexibility and versatility, offering remarkable adaptability to meet diverse operational demands. Designed to seamlessly adjust to varying needs, it provides smooth transitions and superior control.;
(2) Connection Block Ports P & R Specifications - Where precision aligns with reliability, forming a dependable operational structure: Crafted with meticulous attention to detail for impeccable performance, it enhances reliability across all applications.:
2-G3/8; Expertly crafted for compact efficiency, it's designed to facilitate streamlined operations. With precise engineering, it ensures optimal performance even in the most confined spaces.
3-G1/2; Built for strength and reliability, this component provides a robust foundation for system integrity. It offers enduring durability even under the most challenging conditions.;
4-G3/4; Featuring superior connectivity, it offers enhanced control and integration within your system. Merging sophistication with efficiency, it elevates your system's operational capability.;
5, 55-G1; Engineered for high flow rates, perfect for demanding applications, ensuring reliable and consistent performance. Expertly designed, it handles high-pressure challenges effortlessly.;
6-G1 1/4; Delivering unparalleled performance, this component is crafted to excel in demanding environments, overcoming challenges with ease. Setting new standards in power and performance.;
(3) Additional Components and Specifications - Taking system capabilities to new heights: Harness the potential of your operations with advanced components that redefine excellence.:
C,Standard Type - A reliable and trusted cornerstone, meticulously engineered to meet core operational needs. It provides unwavering support and unmatched reliability to empower your system.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing system efficiency overall. Your operations are fine-tuned for peak effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving exceptional performance and reliability. It pushes the boundaries of conventional performance to deliver extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Introducing bespoke pressure control solutions crafted to perfection for diverse applications: Precisely tailored to meet your unique needs, offering precision control that seamlessly aligns with your strategic operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Expertly providing tailored solutions designed to seamlessly meet your specific operational demands. Customizable configurations ensure you achieve your desired outcomes effortlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control to new heights: Skillfully designed to optimize your system's performance, delivering unmatched control and remarkable effectiveness.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; Offering precision tuning for unmatched system efficiency.D/F - Presenting a state-of-the-art, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with remarkable precision to maintain a specifically defined pressure value, significantly enhancing advanced safety measures and 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 ranging across 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, seamlessly meeting every hydraulic requirement. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, providing unparalleled pressure control across a wide array of applications.
(7) Product Series Classification - A Testament to Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterclass in design, skillfully conceived to cater to every application, ensuring you acquire a product that seamlessly aligns with your specific needs.
(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, skillfully engineered for flawless and seamless integration.
(9)Directional valve block inflow controller options: Choose from a comprehensive suite 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 exceptional 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 specific functional requirements.
(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 engineered for supreme performance and dependability.
(12) Secondary Pressure Limitation Options: Elevate your system's safety with our selection of options: N, offering no pressure limiting protection for those who prioritize freedom; C, for concurrent pressure limitation of actuator ports A & B, ensuring synchronized protection; A---B---, providing independent pressure limitation for ports A & B. Each option is meticulously measured in bar to guarantee robust system safety without compromise.
(13) Function ON/OFF and Pressure Outlet Options: Customize your hydraulic control experience with our exquisite range of options: N, embodying simplicity with no function ON/OFF or pressure outlet; X, featuring C type pressure limitation for enhanced precision; S/S1, offering AB type pressure limitation for tailored control; A, with electrical ON/OFF on side A; B, with electrical ON/OFF on side B. Each choice is engineered to deliver precise control and stellar functionality.
(14) Operation Modes: Discover the versatility with our diverse operation modes: A(1,2), featuring manual operation with the option of a long or short handle; E, offering electric proportional control for seamless adjustments; EA(1,2), a harmonious blend of electric proportional and manual operation; D, with electric switching value control for dynamic applications; DA(1,2), combining electric switching value control with manual operation; M, highlighting manual friction positioning with a long handle; H, for pure hydraulic control aligning pilot oil ports with oil ports A and B; F, offering pure hydraulic control with perpendicular pilot oil ports. Each mode is expertly crafted for comprehensive and precise control.
(15) Ancillary Block Port Sizes: Experience unparalleled versatility with our ingeniously designed options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each option is meticulously engineered to provide seamless adaptability and flawless integration across diverse systems, ensuring maximum efficiency and optimal performance.
(16) End Plate Options: Explore our meticulously engineered end plate solutions: E1, your go-to standard choice, ensures an external discharge of pilot oil with an external oil return control port T. E2 builds on E1's foundation, adding port Y to offer additional flexibility; E3 features a sophisticated 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, promising peak performance and reliability.
E4, reflecting the essence of E1, creatively integrates internal discharge of pilot oil with a sealed port T for enhanced operational efficiency. E5 retains the robust characteristics of E2 with an internal discharge, ensuring unwavering performance. E6 mirrors the advanced design of E3, delivering superior discharge control across every variant to meet complex system requirements.
(17) Control Voltage and Anti-Explosion Cable Options: Select from our secure and versatile range, such as G12-12VDC, designed to offer safety and reliability in even the most demanding applications. Our options provide specialization and security, giving you peace of mind in critical operations.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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