Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations represent the pinnacle of hydraulic innovation, seamlessly blending pressure, flow, and directional control into one unified marvel. This synthesis ensures unparalleled performance and reliability across every conceivable application, making it the top choice for industry leaders. Composed typically of three indispensable functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are meticulously crafted for flawless integration into elite hydraulic systems, crucial for the superior functioning of advanced engineering machinery. They expertly regulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights boast a compact structure, remarkable energy efficiency, and the ability for stepless speed regulation. Additionally, they empower multiple actuators to operate simultaneously under varied loads, showcasing extraordinary performance and versatility for a wide array of applications.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring unwavering and dependable operation in any environment. On the other hand, the HLPSV valves are ingeniously crafted for systems with variable pumps, offering a different kind of excellence. Although HLPSV valves may exhibit a slightly slower response time, they excel in delivering exceptional energy-saving performance, establishing themselves as the optimum choice for efficiency-critical scenarios. With cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the leading solution for advanced hydraulic control requirements, 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 - Experience unmatched engineering with this pivotal component, renowned for its unwavering performance and steady reliability. It ensures your system operates with seamless precision, akin to perfectly timed machinery, delivering unparalleled dependability.;
HLPSV: Variable Displacement Pump - Representing the epitome of adaptability and versatility, this pump brings exceptional flexibility to fulfill diverse operational requirements. Designed to effortlessly navigate fluctuating demands, it offers smooth transitions and authoritative control for peak efficiency.;
(2) Connection Block Ports P & R Specifications - Precision crafted to perfection, these ports provide a reliable foundation for seamless operations. Engineered for top-notch performance, they enhance dependability across all applications, ensuring consistent, high-caliber functionality.:
2-G3/8; Expertly designed for compact efficiency, this port streamlines operations with precision, ensuring optimal functionality even in the most confined spaces. It stands as a testament to engineering excellence, meeting the highest demands with proficiency.
3-G1/2; Built with strength and reliability at its core, this robust connection upholds system integrity through challenging conditions. It promises enduring durability, ensuring your system's resilience and longevity.;
4-G3/4; With cutting-edge connectivity, this design empowers your system with enhanced control and integration. It seamlessly amalgamates efficiency and precision, elevating your operational capabilities to new heights.;
5, 55-G1; Designed for superior flow rates to handle high-demand environments, it ensures reliable performance and tackles pressure with ease, proving indispensable in challenging situations.;
6-G1 1/4; Setting the standard for performance, this connection excels in challenging environments, effortlessly meeting demanding expectations and establishing itself as a leader in power and efficiency.;
(3) Additional Components and Specifications - Elevate your system's capabilities to new heights with components that unleash potential and redefine excellence. Optimized for superior performance, they ensure your operations stand at the pinnacle of industry standards.:
C,Standard Type - A paradigm of reliability, this foundational component is meticulously crafted to meet essential operational standards, offering steadfast support and unmatched resilience to endure the demands of daily operations.;
G,Throttle Valve (For HLPSL only) - Delivers precision control, enhancing system efficiency by fine-tuning operations for peak performance, effortlessly optimizing your system's functionality.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Elevate your hydraulic systems with unparalleled flow management, designed to drive exceptional performance and steadfast reliability. This component transcends conventional limits, consistently delivering extraordinary operational excellence.;
(4) Pilot Oil Circuit Pressure Options - Presenting bespoke pressure control solutions tailored for diverse applications: Experience precision control meticulously designed to align with your exact operational goals, delivering unmatched customization to meet your unique requirements.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Experience the ultimate in customizable solutions, crafted to seamlessly cater to your specific operational demands, ensuring you achieve desired outcomes with unparalleled convenience and ease.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Redefining efficiency and control: Skillfully engineered to amplify your system's performance, this component provides unmatched control and exceptional operational 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; Enabling precision tuning for unparalleled system efficiency and performance enhancement.D/F - Discover the groundbreaking, precision-engineered pressure limiting valve for secondary pressure (F50), exquisitely crafted to maintain a precise pressure value. This engineering marvel amplifies advanced safety measures, optimizing operational security and reliability to unparalleled heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the zenith of versatility and precision, offering adjustable settings across 63, 120, 210, 280, 315, 350, and 400 bar levels. This component exemplifies adaptability and is meticulously designed for HLPSV, providing unmatched pressure control for a vast range of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterclass in design, meticulously crafted to address diverse applications, ensuring you acquire a product that seamlessly aligns with your precise needs and expectations.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Includes ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly engineered for flawless and seamless integration, elevating operational efficiency.
(9)Directional valve block inflow controller options: Discover 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 engineered for precision and superior efficiency.
(10) Valve core function symbols: Explore an extensive suite of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional requirements with exceptional precision and reliability.
(11) Output flow code for ports A & B: Experience peak hydraulic efficiency with our maximum output flow options of 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, and 210 L/min. Each choice is meticulously engineered for outstanding performance and rock-solid dependability, ensuring that your hydraulic system operates at its best.
(12) Secondary pressure limitation options: Elevate system safety with our premium pressure limitation selections: N, offering no pressure limiting protection; C, providing concurrent pressure limitation for actuator ports A & B; and A---B---, delivering independent pressure limitation for each port. Each option is precisely calibrated in bar for unsurpassed protection and reliability.
(13) Function ON/OFF and pressure outlet options: Tailor your hydraulic control systems with our expertly designed function and pressure outlet options: N, available without function ON/OFF or pressure outlet; X, offering C type pressure limitation; S/S1, providing AB type pressure limitation; A, featuring electrical ON/OFF on side A; B, with electrical ON/OFF on side B. These options ensure precise and dependable control for every application.
(14) Operation modes: Discover the full spectrum of control with our versatile operation modes: A(1,2), enabling manual operation with a long or short handle; E, providing electric proportional control; EA(1,2), a blend of electric proportional and manual operation; D, offering electric switching value control; DA(1,2), combining electric switching value and manual operation; M, manual friction positioning with a long handle; H, pure hydraulic control aligning pilot oil ports with ports A and B; F, featuring pure hydraulic control with perpendicular pilot oil ports. Each mode is crafted for precision, adaptability, and comprehensive control.
(15) Ancillary block port sizes: Unlock exceptional versatility with our meticulously engineered ancillary block port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These options ensure seamless adaptability and flawless integration across various systems, delivering enhanced efficiency and peak performance in all applications.
(16) End plate options: Explore our expertly crafted end plate solutions: E1, offering an external discharge of pilot oil and external oil return control port T. E2 builds on E1 by incorporating port Y for increased flexibility; E3 features a sophisticated 2-position, 3-way magnetic ball valve that elevates system pressure to safety valve levels upon activation, ensuring optimal performance and safety.
E4 replicates E1 by incorporating an innovative internal discharge of pilot oil with a sealed port T for enhanced operational efficiency. E5 advances on E2 with internal discharge features, ensuring top-tier performance. E6 mirrors E3's advanced design, delivering leading-edge discharge control for complex system requirements, ensuring seamless operation.
(17) Control voltage and anti-explosion cable options: Choose from our secure and reliable control voltage options, including G12-12VDC, tailored for demanding applications with a focus on safety and reliability. Our range ensures specialization and security for various industrial needs.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 journeyed to prominence as a beacon of innovation and excellence in the hydraulic industry. As a distinguished subsidiary of the esteemed China Baoan Group (stock code: 000009), our company proudly stands as a national high-tech enterprise, highlighting our unwavering dedication to technological advancement and unparalleled quality. Our expertise knows no bounds, encompassing comprehensive research, development, manufacturing, and sales of top-tier hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we remain steadfast in our commitment to excellence, continuously fortifying our leadership in the field.
Introducing our flagship innovation, the enhanced Safety Atex Valve, which represents the pinnacle of advanced hydraulic system control technology. This meticulously engineered component is indispensable for construction machinery and heavy-duty equipment, playing a pivotal role in 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 accelerating the localization of core hydraulic components for sophisticated mechanical equipment. Guided by our founding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering in our pursuit to deliver extraordinary products, services, and solutions. Our mission is to rise 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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