Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations stand as the apex of hydraulic innovation, artfully integrating pressure, flow, and directional control into one cohesive marvel. This ensures unmatched performance and reliability across every application. Typically composed of three critical functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are designed for seamless integration into high-end hydraulic systems, pivotal for superior engineering machinery. They precisely manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Key highlights include a compact structure, exceptional energy efficiency, and the capability for stepless speed control. Moreover, they enable multiple actuators to operate concurrently under various loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are expertly designed for constant displacement pump systems, ensuring steadfast and reliable operation in any environment. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves might demonstrate a marginally slower response, they excel in providing outstanding energy-saving performance, positioning them as the optimal choice for scenarios where efficiency is critical. With their state-of-the-art engineering and energy-efficient design, HLPSV valves rise 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 keystone of reliability, delivers consistent and steadfast performance, ensuring smooth and efficient operations throughout your system. Experience superior dependability that keeps your machinery running seamlessly, maintaining precise functionality like clockwork.;
HLPSV: Variable Displacement Pump - A symbol of adaptability and versatility, offering extraordinary flexibility to meet a wide range of operational needs. Tailored to adjust to ever-changing demands, it allows seamless transitions and superior control for optimal efficiency.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, forging a trustworthy operational framework: Meticulously crafted for flawless performance, enhancing reliability in every application. This dependable design ensures consistent, top-tier operation.:
2-G3/8; Designed for compact proficiency, it supports streamlined and seamless operational flows. Perfectly engineered for precision, guaranteeing optimal performance even in the tightest spaces, ensuring every operation meets demanding standards.
3-G1/2; Engineered for robustness and reliability, this connection provides a solid base for system integrity. Built to last, it delivers unwavering durability under the most demanding conditions, ensuring your system stands the test of time.;
4-G3/4; Featuring advanced connectivity, it offers superior control and enhanced system integration. This sophisticated design elevates your system, bringing efficiency and control together to enhance 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, making it a vital component in challenging environments.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and handle challenges effortlessly. This connection sets new benchmarks in power and performance, solidifying its place as an industry leader.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights: Unleashing operational potential with advanced components that redefine excellence, enhancing system performance to ensure your operations remain at the forefront of industry standards.:
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, ensuring it withstands the rigors of daily operations.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing system efficiency. By ensuring operations are fine-tuned for maximum effectiveness, it optimizes your system's performance effortlessly.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability. This component pushes the limits of conventional performance to deliver extraordinary results consistently.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure control solutions for varied needs: Meticulously crafted to satisfy your unique demands, offering precision control that flawlessly aligns with your operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing custom solutions that adeptly meet your specific operational needs. Modular configurations guarantee you achieve desired outcomes with remarkable ease.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Boosting efficiency and control: Ingeniously designed to enhance your system's performance, offering unmatched control and exceptional effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing when unpowered; Offering precision adjustments for unparalleled system efficiency.D/F - Introducing a pioneering, precision-engineered pressure limiting valve for secondary pressure (F50), crafted with exceptional accuracy to maintain a consistently precise pressure. This engineering marvel significantly enhances advanced safety measures, optimizing security and reliability to extraordinary levels.
(6) Tool Adjustable Pressure Limiting Valve in Connection Block: Discover exceptional versatility and precision with adjustable settings spanning 63 to 400 bar levels. This component represents adaptability, seamlessly fitting every hydraulic need. The /NF configuration delivers systems without a pressure limiting valve, expertly crafted for HLPSV, offering unmatched pressure control across numerous applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterwork in design, skillfully developed to address every application, ensuring a product that seamlessly matches your specific requirements.
(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, ingeniously engineered for flawless and seamless integration.
(9)Directional valve block inflow controller options: Select from a diverse range of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and superior efficiency.
(10) Valve core function symbols: Explore a vast array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill specific functional requirements.
(11) Output flow code for ports A & B: Achieve 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 consistent reliability.
(12) Secondary Pressure Limitation Options: Discover our distinguished range of premium selections designed to ensure unparalleled system safety and reliability: N, offering no pressure limiting protection; C, providing concurrent pressure limitation for actuator ports A & B; A---B---, enabling independent pressure limitation for ports A & B. Each choice is meticulously measured in bar, ensuring uncompromising protection and performance.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your control precision with our expertly tailored options: N, excluding function ON/OFF and pressure outlet capabilities; X, incorporating C type pressure limitation; S/S1, featuring AB type pressure limitation; A, integrating electrical ON/OFF on side A; B, offering electrical ON/OFF on side B. Each configuration is engineered to deliver precise and dependable functionality.
(14) Operation Modes: Experience comprehensive control with our diverse operation modes, precisely crafted for versatility and precision: A(1,2), manual operation featuring either a long or short handle; E, electric proportional control for nuanced adjustments; EA(1,2), offering a seamless blend of electric proportional control with manual operation; D, electric switching value control for dynamic adjustments; DA(1,2), combining electric switching value control with manual operation; M, manual friction positioning utilizing a long handle; H, pure hydraulic control aligning pilot oil ports with ports A and B; F, pure hydraulic control with perpendicular pilot oil ports. Each mode is artfully designed to meet diverse operational needs.
(15) Ancillary Block Port Sizes: Experience exceptional versatility with our precisely engineered port size options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These options promise seamless adaptability and impeccable integration across a variety of systems, ensuring operational efficiency and peak performance.
(16) End Plate Options: Explore our meticulously crafted end plate solutions: E1, ensuring external discharge of pilot oil and control of external oil return port T; E2 enhances E1 with the inclusion of port Y for enhanced flexibility; E3 showcases a sophisticated 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels upon activation, ensuring maximum performance and reliability.
E4 mirrors E1, yet ingeniously integrates an internal discharge of pilot oil with a sealed port T, enhancing operational efficiency. E5 builds on E2's features with an internal discharge, ensuring superior performance. E6 mirrors the advanced design of E3, offering innovative discharge control solutions for complex system demands.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our robust and secure range, including G12-12VDC, specifically tailored for applications demanding utmost safety and reliability. Our products guarantee specialization and enhanced 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 emerged as a beacon of innovation and excellence in the hydraulic industry. As a prestigious subsidiary of the eminent China Baoan Group (stock code: 000009), our company stands as a testament to national high-tech enterprise status, highlighting our unwavering dedication to technological progress and unmatched quality. Our unparalleled expertise spans comprehensive research, development, manufacturing, and sales of top-tier hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we are unwavering in our pursuit of excellence, solidifying our leadership in the field.
Introducing our flagship innovation, the enhanced Safety Atex Valve, which epitomizes the pinnacle of advanced hydraulic system control technology. This meticulously engineered component is essential for construction machinery and heavy-duty equipment, playing a crucial role in applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are immensely proud of our strategic partnerships with leading domestic manufacturers, significantly advancing the localization of core hydraulic components for cutting-edge mechanical equipment. Guided by our founding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are relentless in our pursuit to deliver extraordinary products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, consistently setting new benchmarks 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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