Introducing the groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves - a pinnacle of hydraulic innovation and engineering excellence. These cutting-edge creations seamlessly blend pressure, flow, and directional control into a single extraordinary system, ensuring peerless performance and unwavering reliability across every application. Comprising three vital functional modules-connecting blocks, directional valves, and end plates-these precision-engineered marvels are crafted for seamless integration into advanced hydraulic systems, which are essential for superior engineering machinery. These valves meticulously govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision and control. Key highlights include a compact and streamlined structure, exceptional energy efficiency, and the capacity for stepless speed control. Furthermore, they empower multiple actuators to function concurrently under diverse loads, delivering remarkable performance and versatility for any application.
The HLPSL valves are masterfully designed for constant displacement pump systems, guaranteeing steadfast and dependable operation in any environment. Conversely, the HLPSV valves are ingeniously crafted for variable pump systems. Although HLPSV valves may exhibit a slightly slower response, they excel in offering superior energy-saving capabilities, making them the optimal choice 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 unrivaled 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 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); Unlock tailored solutions perfectly crafted to seamlessly meet your specific operational demands. Experience customizable configurations that ensure you achieve your desired outcomes with effortless precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your efficiency and control: Expertly designed to optimize your system's performance, this valve delivers unparalleled control and superior effectiveness, ensuring peak operational standards.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; Experience precision tuning designed for unmatched system efficiency, transforming your operational capabilities.D/F - Unveiling a state-of-the-art, meticulously crafted pressure limiting valve for secondary pressure (F50), engineered with remarkable precision to maintain a specifically defined pressure value. This technological marvel is crafted to significantly enhance advanced safety measures, optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the ultimate in versatility and precision with adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, seamlessly fulfilling every hydraulic requirement. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, delivering unmatched pressure control across diverse applications, ensuring reliability and efficiency.
(7) Product Series Classification - The Epitome of Engineering Excellence: A testament to superior craftsmanship and design innovation.;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterclass in design, meticulously engineered to address every application, ensuring you acquire a product that seamlessly aligns with your specific requirements and operational expectations.
(8)Thread size of directional spool valve ports A & B: Precisely engineered to provide optimal compatibility and seamless integration into existing systems.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, expertly designed for flawless and seamless integration, ensuring system integrity and performance.
(9)Directional valve block inflow controller options: Choose from a comprehensive selection: 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, tailored to optimize your system's performance.
(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, ensuring outstanding performance and reliability.
(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 designed for supreme performance and dependability, ensuring your system operates at its optimum capacity.
(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 measured in bar to ensure uncompromising system safety and protection.
(13) Function ON/OFF and pressure outlet options: Elevate your user experience by customizing with our premium selections: Choose 'N' for a straightforward setup without function ON/OFF or pressure outlet. Opt for 'X' with our C type pressure limitation for enhanced control. Select 'S/S1' for AB type pressure limitation, providing superior regulation. Experience precision with 'A' for electrical ON/OFF on side A, or 'B' for side B, each option meticulously crafted to ensure unparalleled control and performance excellence.
(14) Operation modes: Immerse yourself in our extensive array of operation modes, each uniquely tailored for specific needs: 'A(1,2)' offers manual operation with your choice of a long or short handle for personalized comfort. Choose 'E' for sophisticated electric proportional control. 'EA(1,2)' seamlessly combines electric proportional control with manual operation for a hybrid solution. 'D' delivers precise electric switching value control. 'DA(1,2)' integrates electric switching value control with manual operation for enhanced versatility. 'M' provides manual friction positioning with a long handle for stable control. Experience precision with 'H,' our pure hydraulic control aligning pilot oil ports with oil ports A and B. Opt for 'F' for pure hydraulic control with perpendicular pilot oil ports, each expertly engineered for comprehensive and accurate control.
(15) Ancillary block port sizes: Embrace the epitome of versatility with our expertly designed options: Select '/2 G3/8;' '/3 G1/2;' '/4 G3/4;' or '/5 G1,' each option flawlessly engineered for seamless adaptability and perfect integration across a variety of systems, ensuring optimal efficiency and performance.
(16) End plate options: Explore our expertly designed end plate solutions, crafted for excellence: 'E1' represents the standard choice, ensuring an external discharge of pilot oil and an external oil return control port T for reliable performance. 'E2' enhances E1 with the addition of port Y, providing extra flexibility for diverse applications. Experience sophistication with 'E3,' featuring a 2-position, 3-way magnetic ball valve that elevates system pressure to safety valve levels when engaged, ensuring top-tier performance.
E4, echoing 'E1,' integrates an innovative internal discharge of pilot oil with a sealed port T, boosting efficiency. 'E5' mirrors the robust features of E2 with an internal discharge, ensuring peak performance. 'E6' mirrors the advanced design of E3, offering exceptional discharge control in every variant to meet complex system demands.
(17) Control voltage and anti-explosion cable options: Select from our secure and adaptable range, tailored for safety and reliability in demanding environments: 'G12-12VDC' delivers robust security and specialization in every application, ensuring your system operates with precision and dependability.G24, ensuring compatibility and enhanced performance with our expertly crafted solutions.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G, offering specialized solutions for diverse and challenging applications.12, providing a range of reliable options for various operational needs.bb621436
Founded in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has emerged as a beacon of innovation and excellence in the hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly carry the mantle of a national high-tech enterprise, underscoring our unwavering dedication to technological advancement and superior quality. Our unparalleled expertise encompasses the rigorous research, development, manufacturing, and sales of premium hydraulic components. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we stand committed to excellence, cementing our leadership position within the industry.
Our flagship innovation, the enhanced Safety Atex Valve, epitomizes the zenith of cutting-edge hydraulic system control. This meticulously engineered component is tailored for use in construction machinery and heavy-duty equipment, playing an indispensable role in critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic partnerships 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 steadfastly pursue the delivery of exceptional products, services, and solutions. Our mission is to emerge as a globally trusted supplier of premier hydraulic components, continually 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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