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. With unmatched performance and reliability, they redefine excellence in every application. Typically composed of three critical functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves seamlessly integrate into high-end hydraulic systems, pivotal for superior engineering machinery. They expertly 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 empower 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, making them the optimal choice for scenarios where efficiency is paramount. With their state-of-the-art engineering and energy-efficient design, HLPSV valves ascend 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 cornerstone of reliability and precision, ensures unwavering performance, driving your system's operations flawlessly. Experience the pinnacle of dependability that guarantees smooth functionality, akin to precision mechanics.;
HLPSV: Variable Displacement Pump - An epitome of flexibility and adaptability, offering unparalleled versatility to accommodate diverse operational requirements. Engineered for seamless transitions, it empowers superior control and efficiency.;
(2) Connection Block Ports P & R Specifications - Where precision seamlessly converges with dependability, crafting a solid operational foundation: Expertly engineered for superior performance, this design enhances reliability, ensuring impeccable operation in every application.:
2-G3/8; Perfectly crafted for compact efficiency, it supports streamlined and effortless operational flows. Tailored for precision, it guarantees peak performance even in confined spaces, meeting exacting standards.
3-G1/2; Meticulously designed for strength and resilience, offering a robust foundation for system integrity. Built for longevity, it ensures enduring durability in the most challenging conditions, upholding your system's reliability.;
4-G3/4; Boasting advanced connectivity, it delivers superior control and enhanced system integration. This sophisticated design elevates your system's performance, merging efficiency and control to boost operational excellence.;
5, 55-G1; Designed for superior flow rates, it is ideal for high-demand applications, ensuring consistent and reliable performance. Crafted for excellence, it tackles high-pressure challenges effortlessly, becoming indispensable in rigorous environments.;
6-G1 1/4; Delivering unparalleled performance, expertly crafted to excel in demanding environments, handling challenges with ease. This connection establishes new standards for power and performance, reinforcing its position as an industry leader.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights: Unleashing operational potential with cutting-edge components that redefine excellence, pushing system performance to ensure your operations lead the industry.:
C,Standard Type - A dependable and trusted foundation, carefully crafted to meet vital operational needs. Providing unwavering support and unmatched reliability to empower your system, ensuring resilience against daily operational demands.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, enhancing system efficiency. Fine-tunes operations for maximum effectiveness, effortlessly optimizing your system's performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Elevate your machinery's efficiency with our cutting-edge solution that maximizes flow management. This extraordinary component is engineered to transcend traditional performance boundaries, consistently delivering remarkable results with unmatched reliability.;
(4) Pilot Oil Circuit Pressure Options - Experience unmatched precision with our bespoke pressure control solutions, masterfully crafted to suit a myriad of applications. Tailor-made to perfectly align with your operational objectives, these solutions ensure precision control that integrates seamlessly with your system's dynamics.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Experience the flexibility of tailored solutions that are designed to effortlessly meet your specific operational demands. With customizable configurations, achieve your desired performance outcomes with unparalleled ease.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Transform your system's efficiency and control with our masterfully designed valve. It enhances your system's performance, offering unrivaled 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; Achieve precision tuning for unmatched system efficiency and functionality.D/F - Discover a revolutionary, precision-engineered pressure limiting valve for secondary pressure (F50), expertly crafted to maintain a precisely controlled pressure value. This engineering feat is designed to significantly bolster advanced safety measures, thereby enhancing operational security and reliability to unprecedented heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in the ultimate versatility and precision with adjustable settings ranging from 63, 120, 210, 280, 315, 350, to 400 bar levels. This component embodies adaptability, flawlessly catering to every hydraulic need. The /NF configuration offers systems without a pressure limiting valve, expertly designed for HLPSV, ensuring unmatched pressure control across diverse applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to design mastery, skillfully engineered to meet every application with precision, ensuring a product that aligns seamlessly with your specific requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Seamlessly integrate with ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously engineered for flawless performance.
(9)Directional valve block inflow controller options: Explore a comprehensive spectrum 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 exceptional efficiency.
(10) Valve core function symbols: Delve into an extensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional demands with precision.
(11) Output flow code for ports A & B: Achieve peak efficiency with our diverse range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each option is meticulously designed to deliver supreme performance and unwavering reliability in demanding environments.
(12) Secondary pressure limitation options: Elevate system safety with our superior pressure limitation selections: N, no pressure limiting protection; C, concurrent pressure limitation for actuator ports A & B; A---B---, independent pressure control for ports A & B. Each choice is quantitatively defined in bar, ensuring robust protection and optimal system integrity.
(13) Function ON/OFF and pressure outlet options: Customize your system dynamics with our expertly engineered variants: N, devoid of function ON/OFF or pressure outlet; X, C type pressure limitation; S/S1, AB type pressure limitation; A, electric ON/OFF on side A; B, electric ON/OFF on side B. Each tailored option guarantees precise and dependable operation.
(14) Operation modes: Experience unmatched control with our versatile operation modes: A(1,2), manual operation with ergonomic long or short handle; E, electric proportional control for precision; EA(1,2), integration of electric proportional control and manual operation; D, electric switching value control; DA(1,2), hybrid of electric switching value control with manual operation; M, manual friction positioning with 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 ensures precision and adaptability to varied operational demands.
(15) Ancillary block port sizes: Unlock extraordinary versatility with our precision-engineered port size options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These configurations ensure seamless adaptability and integration across complex systems, maximizing efficiency and performance.
(16) End plate options: Discover our sophisticated end plate solutions: E1, offers external discharge of pilot oil and an external oil return control port T. E2 builds on E1 with an added port Y for enhanced flexibility; E3 introduces a premium 2-position, 3-way magnetic ball valve, raising system pressure to safety valve levels when engaged, ensuring peak operational performance.
E4 mirrors E1, but innovatively incorporates an internal discharge of pilot oil with a sealed port T for heightened efficiency. E5 augments E2 features with an internal discharge, ensuring superior performance. E6 replicates the advanced E3 design, providing state-of-the-art discharge control for intricate system requisites.
(17) Control voltage and anti-explosion cable options: Choose from our secure selection, including G12-12VDC, engineered for high-demand applications prioritizing safety and reliability. Our sophisticated range ensures specialization and security, meeting stringent industry standards.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 ascended to prominence as a symbol of innovation and excellence within the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), our company is acclaimed as a national high-tech enterprise, underscoring our unwavering dedication to technological advancement and unparalleled quality. Our expertise is unrivaled, encompassing exhaustive research, development, manufacturing, and sales of premium hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we remain steadfast in our commitment to excellence, fortifying our leadership in the field.
Introducing our flagship innovation, the enhanced Safety Atex Valve, epitomizing the zenith of advanced hydraulic system control technology. This meticulously engineered component is indispensable for construction machinery and heavy-duty equipment, playing a critical 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 propelling 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 unyielding in our quest 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.
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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?
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