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 cornerstone of reliability in your system, offering unwavering consistency and smooth, efficient operations for all your hydraulic needs. Count on its superior dependability to keep your operations moving seamlessly.;
HLPSV: Variable Displacement Pump - Embodying the pinnacle of adaptability and flexibility, this pump provides unmatched versatility to meet diverse operational demands. Designed for effortless transitions and precise control, it adapts with ease to every requirement.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability converge, creating a robust operational framework: Engineered with meticulous attention to detail for flawless performance and enhanced dependability in every situation.:
2-G3/8; Expertly crafted for maximum efficiency in compact spaces, facilitating seamless operational flows. With a focus on precision engineering, it guarantees peak performance in the most confined environments.
3-G1/2; Built for strength and resilience, this connection ensures your system's integrity remains uncompromised. Designed for longevity, it delivers consistent durability even in the most challenging conditions.;
4-G3/4; Offering advanced connectivity, this port enhances control and system integration. Merging sophistication with efficiency, it elevates your system's operational capabilities to new heights.;
5, 55-G1; Engineered for superior flow rates, this port excels in high-demand applications, ensuring uninterrupted and reliable performance. Crafted for excellence, it masterfully handles high-pressure tasks with ease.;
6-G1 1/4; Setting new standards in power and performance, this port is designed to thrive in demanding environments, effortlessly overcoming challenges while delivering exceptional results.;
(3) Additional Components and Specifications - Taking system capabilities to revolutionary levels: With advanced components that define excellence, unleash your operations' true potential.:
C,Standard Type - A foundation you can trust, crafted for essential operational efficacy. Offering steadfast support and unmatched dependability to empower and enhance your system.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, boosting overall system efficiency. Fine-tunes your operations for peak effectiveness and optimal performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management to achieve remarkable performance and reliability. Surpassing traditional limits, it delivers extraordinary outcomes.;
(4) Pilot Oil Circuit Pressure Options - Provides customized pressure control solutions for a variety of applications: Tailored to your specific needs, offering precision control that aligns seamlessly with your operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions to seamlessly address your unique operational needs. With fully customizable configurations, ensure you attain your desired operational outcomes effortlessly and efficiently.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Revolutionizing efficiency and control: Expertly crafted to elevate your system's performance, this valve ensures unrivaled control and exceptional effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve, engages the pump when powered, disengages when unpowered; D - Normally closed magnetic ball valve, disengages the pump when powered, engages when unpowered; Providing precision tuning for unmatched system effectiveness and optimization.D/F - Introducing an advanced, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This valve is crafted with extraordinary precision to uphold a predetermined pressure value, significantly enhancing safety measures, thereby optimizing operational reliability and security to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the pinnacle of versatility and precision with adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This component embodies adaptability, seamlessly satisfying every hydraulic requirement. The /NF configuration provides systems devoid of a pressure limiting valve, crafted with expertise for HLPSV, delivering unparalleled pressure control across diverse applications.
(7) Product Series Classification - A Paragon of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterclass in design, expertly crafted to meet every application, ensuring you acquire a product that perfectly aligns with your unique requirements.
(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, meticulously engineered for flawless integration.
(9)Directional valve block inflow controller options: Select from a diverse array of options: 1, without inflow controller; 2, standard inflow controller; 4, sophisticated 3-way flow controller for both inlet and outlet, designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-configured options, each offering precision and outstanding efficiency.
(10) Valve core function symbols: Delve into an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to fulfill specific functional needs.
(11) Output flow code for ports A & B: Achieve optimal efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for supreme performance and reliability.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all meticulously measured in bar to ensure unwavering system safety.
(13) Function ON/OFF and pressure outlet options: Elevate your operational experience with our customizable options, including: 'N', offering a streamlined approach without function ON/OFF or pressure outlet; 'X', with C type pressure limitations for enhanced precision; 'S/S1', featuring AB type pressure limitations; 'A', providing electrical ON/OFF on side A; 'B', facilitating electrical ON/OFF on side B. Each option is meticulously designed to ensure precise control and exceptional functionality, tailored to your specific needs.
(14) Operation modes: Explore a spectrum of operation modes tailored for versatility and precision: 'A(1,2)', offering manual operation with an option for a long or short handle; 'E', featuring electric proportional control for smooth performance; 'EA(1,2)', combining the fluidity of electric proportional control with manual operation; 'D', specialized for electric switching value control; 'DA(1,2)', a hybrid with both electric switching value control and manual operation; 'M', manual friction positioning with an extended handle for superior control; 'H', pure hydraulic control aligning pilot oil ports with oil ports A and B; 'F', pure hydraulic control with perpendicular pilot oil ports, all crafted to provide comprehensive and meticulous control.
(15) Ancillary block port sizes: Experience unmatched versatility and adaptability with our ingeniously crafted options: '/2 G3/8; /3 G1/2; /4 G3/4; /5 G1'. Each size is meticulously engineered for seamless integration across diverse systems, ensuring flawless performance and maximum efficiency, redefining adaptability to meet all your application needs.
(16) End plate options: Explore our meticulously engineered end plate solutions designed for enhanced performance: 'E1', the standard choice, ensures external discharge of pilot oil with an external oil return control port T. 'E2', building on E1, adds port Y for increased flexibility; 'E3', features an advanced 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve standards for optimal performance.
E4 reinforces the principles of E1 with an innovative internal discharge of pilot oil and a sealed port T, optimizing efficiency. E5 mirrors E2's robust features with internal discharge, ensuring top-tier performance. E6 reflects E3's sophisticated design, offering advanced discharge control in all variations to meet complex system demands with precision and efficiency.
(17) Control voltage and anti-explosion cable options: Select from our range of highly secure and compatible options, such as 'G12-12VDC', crafted for safety and reliability in even the most challenging applications. Each option ensures specialization, security, and utmost reliability to cater to your specific requirements.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its establishment in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has proudly emerged as a beacon of innovation and excellence within the dynamic hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), our company is celebrated as a national high-tech enterprise, underscoring our unwavering dedication to technological advancement and superior quality. Our exceptional 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 are steadfast in our commitment to excellence, solidifying our position as industry leaders.
Our flagship masterpiece, the enhanced Safety Atex Valve, epitomizes the zenith of cutting-edge hydraulic system control. This expertly engineered component is meticulously designed 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 alliances with leading domestic manufacturers, significantly propelling 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 unwavering in our pursuit of delivering exceptional products, services, and solutions. Our mission is to emerge as a globally trusted supplier of premier hydraulic components, consistently 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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