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, this pump ensures unwavering and consistent performance across your entire system. It guarantees smooth operations, maintaining precise functionality with a steadfast dependability that feels timeless.;
HLPSV: Variable Displacement Pump - Embodying adaptability, this pump offers extraordinary flexibility to accommodate a diverse range of operational needs. It seamlessly transitions to suit changing demands, providing superior control for optimized efficiency at every turn.;
(2) Connection Block Ports P & R Specifications - The junction where precision meets reliability, creating a dependable operational framework. Expertly crafted for flawless function, this robust design enhances reliability and consistency in every use, ensuring top-tier performance.:
2-G3/8; Developed for compact efficacy, this port supports seamless operational flows. Precision-engineered for peak performance even in confined spaces, it guarantees each operation meets the most demanding standards with ease.
3-G1/2; A hallmark of strength and reliability, this connection forms a solid foundation for system integrity. Designed for longevity, it delivers consistent durability under the most challenging conditions, ensuring your system remains robust over time.;
4-G3/4; With advanced connectivity, it offers superior control and augments system integration. This sophisticated design merges efficiency and control, enhancing the operational prowess of your system for unparalleled performance.;
5, 55-G1; Featuring exceptional flow rates and ideal for high-demand applications, it ensures reliable performance. Designed for excellence, it adeptly handles high-pressure challenges, solidifying its role as an indispensable component in rigorous environments.;
6-G1 1/4; This connection achieves unrivaled performance, expertly crafted to thrive in demanding settings and tackle challenges with ease. It establishes new standards in power and performance, positioning itself as an industry leader.;
(3) Additional Components and Specifications - Pushing system capabilities to new heights: These advanced components unlock operational potential, setting new standards of excellence and optimizing system performance, ensuring your operations lead in industry standards.:
C,Standard Type - A sturdy and dependable foundation, precisely designed to fulfill essential operational needs. It provides unwavering support and unrivaled reliability, enabling your system to endure the demands of daily operations with ease.;
G,Throttle Valve (For HLPSL only) - Ensures precision control to elevate system efficiency. By fine-tuning operations for maximum effectiveness, it optimizes your system's performance effortlessly for peak efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Elevates flow management to unparalleled levels, ensuring consistent extraordinary performance and dependability, pushing the boundaries of conventional capabilities for exceptional results.;
(4) Pilot Oil Circuit Pressure Options - Experience unparalleled customization with our bespoke pressure control solutions. These are designed to perfectly adapt to diverse applications, ensuring that your exact requirements are met with precision and ease. Our tailored systems deliver precision control, seamlessly aligning with your operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Unlock the potential of our customized solutions, effortlessly tailored to your specific operational needs. Our configurable systems ensure that you achieve your desired outcomes with unparalleled ease and unmatched convenience.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your system's performance with our expertly designed solutions. These valves are tailored to deliver exceptional control and enhance overall efficiency, providing unrivaled functionality.C - No magnetic ball valve; F - Normally open magnetic ball valve, seamlessly pressurizing the pump when powered and unloading it when unpowered; D - Normally closed magnetic ball valve, efficiently unloading the pump when powered and pressurizing it when unpowered; Offering precision tuning for unmatched system efficiency and optimal performance.D/F - Introducing a revolutionary, precision-engineered pressure limiting valve for secondary pressure (F50). This marvel of engineering is crafted with astounding precision to maintain a specific pressure value, significantly enhancing advanced safety measures. It optimizes operational security and reliability to unprecedented levels, ensuring peace of mind.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the epitome of versatility with adjustable settings ranging from 63 to 400 bar levels. This component exemplifies adaptability, effortlessly accommodating every hydraulic need. The /NF configuration offers systems without a pressure limiting valve, meticulously crafted for HLPSV, delivering unparalleled pressure control across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to exceptional design, meticulously crafted to address every application. Ensure you acquire a product that seamlessly aligns with your specific needs, reflecting superior craftsmanship.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Enhance your system with ancillary blocks or the intermediate transition block ZPL 5S(V)/H. These are skillfully engineered for flawless and seamless integration, ensuring optimal connectivity.
(9)Directional valve block inflow controller options: Choose from an extensive array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller, meticulously tailored for both inlet and outlet on the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each providing precision and exceptional efficiency.
(10) Valve core function symbols: Explore a comprehensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill specific functional requirements and optimize system performance.
(11) Output flow code for ports A & B: Attain peak efficiency with a range of available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow rate is engineered for supreme performance and unwavering reliability, ensuring exceptional operation.
(12) Secondary Pressure Limitation Options: Discover an unparalleled array of premium choices tailored to safeguard your system: N - no pressure limiting protection; C - concurrent pressure limitation for actuator ports A & B; A---B--- - independent pressure limitation for ports A & B. Each meticulously calibrated in bar, these options ensure steadfast protection and reliability.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your control experience with our precisely refined selections: N - devoid of function ON/OFF or pressure outlet; X - featuring C type pressure limitation; S/S1 - crafted with AB type pressure limitation; A - equipped with electrical ON/OFF on side A; B - designed with electrical ON/OFF on side B. Each choice guarantees exceptional precision and dependability.
(14) Operation Modes: Empower your operations with our extensive array of control modes: A(1,2) - manual operation available with both long or short handle; E - sophisticated electric proportional control; EA(1,2) - an elegant fusion of electric proportional control with manual operation; D - dynamic electric switching value control; DA(1,2) - an innovative blend of electric switching value control and manual operation; M - expert manual friction positioning with a long handle; H - authentic hydraulic control via aligned pilot oil ports with ports A and B; F - high-grade hydraulic control featuring perpendicular pilot oil ports. Each operation mode is engineered for superior precision and adaptability.
(15) Ancillary Block Port Sizes: Achieve unmatched adaptability with our expertly designed options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These selections are crafted to ensure seamless compatibility and flawless integration within diverse systems, promising efficiency and peak operational performance.
(16) End Plate Options: Delve into our expertly engineered end plate solutions: E1 - facilitates external discharge of pilot oil with an external oil return control port T. E2 enhances E1 with the addition of port Y for extended functionalities; E3 integrates a sophisticated 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels upon activation, ensuring superior performance.
E4 mirrors E1, yet with a pioneering integration of internal discharge of pilot oil alongside a sealed port T, significantly boosting efficiency. E5 advances upon E2's features with an internal discharge, ensuring outstanding performance. E6 parallels the advanced design of E3, delivering state-of-the-art discharge control tailored for intricate system demands.
(17) Control Voltage and Anti-Explosion Cable Options: Opt from our meticulously secure selection: G12-12VDC, designed for rigorous usage with an emphasis on safety and reliability. Our offerings promise specialization and robust security for your applications.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.
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.
){kind=link}