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 consistent excellence, this pump promises unwavering reliability and remarkable performance. Its steadfast nature ensures smooth and efficient operations, making it an indispensable part of your hydraulic system.;
HLPSV: Variable Displacement Pump - This pump embodies flexibility and versatility, effortlessly adapting to various operational needs. Experience seamless transitions and unparalleled control tailored to meet the dynamic demands of your system.;
(2) Connection Block Ports P & R Specifications - Precision and reliability converge here, crafting a robust framework for your operations. These ports are meticulously designed for flawless performance, ensuring reliability across all applications.:
2-G3/8; Designed for efficiency and compactness, this port supports seamless operational flows. Its precision engineering ensures optimal performance, even in the most confined spaces.
3-G1/2; Built for strength and reliability, this port serves as a sturdy anchor for your system's integrity. Crafted to endure, it delivers lasting durability under the most challenging conditions.;
4-G3/4; Featuring advanced connectivity options, this port offers superior control and enhances system integration, elevating your operations to new levels of sophistication and efficiency.;
5, 55-G1; With exceptional flow rates, this port is perfect for high-demand applications, delivering consistent and reliable performance. Engineered for excellence, it meets high-pressure challenges with ease.;
6-G1 1/4; Known for its unmatched performance, this port is expertly crafted to excel in demanding environments. It sets new standards in power and performance, effortlessly handling challenges.;
(3) Additional Components and Specifications - Pushing the boundaries of performance with cutting-edge components that enhance your system's capabilities. Elevate your operations to unprecedented heights of excellence.:
C,Standard Type - A solid foundation, expertly designed for essential operational needs. This reliable component offers steadfast support, ensuring unmatched reliability for your system's success.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, optimizing the overall efficiency of your system. This valve fine-tunes your operations for peak effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Elevates flow management, attaining remarkable performance and reliability. It transcends conventional limits to achieve extraordinary outcomes.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure control solutions for a variety of applications, ensuring precision control that aligns perfectly with your unique operational goals.0 - Choose a configuration with no pressure reducing valve; 1 - Opt for a robust 20 bar pressure reducing valve; 2 - Select a powerful 40 bar pressure reducing valve. Our solutions are meticulously designed to seamlessly align with your unique operational demands. With customizable configurations, we ensure you achieve your desired outcomes effortlessly and effectively.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Revolutionize your system's performance with unparalleled control and supreme effectiveness. Designed to enhance both efficiency and control, this valve epitomizes excellence in system management.C - Opt for no magnetic ball valve; F - Choose a normally open magnetic ball valve, which pressurizes the pump when powered and unloads it when unpowered; D - Select a normally closed magnetic ball valve, which unloads the pump when powered and pressurizes it when unpowered. This system offers precision tuning for unmatched efficiency and reliability.D/F - Introducing an engineering masterpiece: a cutting-edge, precision-engineered pressure limiting valve for secondary pressure (F50). This innovation significantly enhances advanced safety protocols, maximizing operational security and reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the pinnacle of versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This adaptable component meets every hydraulic requirement with ease. The /NF configuration provides systems without a pressure limiting valve, masterfully crafted for HLPSV, offering unmatched pressure control across varied applications.
(7) Product Series Classification - The Apex of Engineering Prowess:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterful design, crafted to cater to every application, ensuring you obtain a product that perfectly aligns with your specific needs.
(8)Thread size for 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, engineered for flawless integration and seamless performance.
(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, tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and exceptional performance.
(10) Valve core function symbols: Explore our extensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill specific functional needs with precision.
(11) Output flow code for ports A & B: Maximize efficiency with these peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for superior 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 accurately measured in bar to ensure unwavering system safety.
(13) Function ON/OFF and Pressure Outlet Options: Customize your operational experience with our tailored options. Choose 'N' for no additional function, 'X' with C type pressure limitation, 'S/S1' for AB type pressure limitation, 'A' for electrical ON/OFF on side A, or 'B' for side B. Each option is precisely engineered to enhance your control and functionality to the next level.
(14) Operation Modes: Explore a vast array of operation modes designed for ultimate flexibility and precision. Select 'A(1,2)' for manual operation with a choice of long or short handles, 'E' for electric proportional control, or 'EA(1,2)' for a seamless hybrid of electric and manual control. Opt for 'D' for electric switching value control, 'DA(1,2)' combining it with manual operation, 'M' for manual friction positioning with a long handle, 'H' for pure hydraulic control aligning pilot oil ports with oil ports A and B, or 'F' for hydraulic control with perpendicular pilot oil ports. Each mode is expertly crafted for comprehensive control.
(15) Ancillary Block Port Sizes: Experience unmatched versatility with our expertly engineered port size options: /2 G3/8, /3 G1/2, /4 G3/4, /5 G1. Each size is meticulously crafted for smooth adaptability and flawless integration across various systems, ensuring efficiency and peak performance.
(16) End Plate Options: Explore our meticulously engineered end plate solutions designed for optimal system performance. Choose 'E1' for standard external pilot oil discharge and oil return control port T, 'E2' adds port Y for extra flexibility, while 'E3' features a sophisticated 2-position, 3-way magnetic ball valve to elevate system pressure to safety valve levels, ensuring optimal performance.
E4, echoing the efficiency of 'E1', integrates internal pilot oil discharge with a sealed port T to enhance performance. 'E5' mirrors 'E2' with an internal discharge for robust efficiency. 'E6' reflects 'E3's advanced design, offering superior discharge control to tackle complex system challenges.
(17) Control Voltage and Anti-Explosion Cable Options: Select from our secure and reliable range, including 'G12-12VDC', masterfully designed for safety and reliability even in the most challenging environments. Our options guarantee specialization and security with each choice.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 shining beacon of innovation and excellence within the hydraulic industry. As a proud and prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), our company is celebrated as a national high-tech enterprise, embodying our unwavering dedication to technological advancement and superior quality. Our unparalleled expertise spans across the rigorous research, development, manufacturing, and sales of premium hydraulic components. Recognized as a national leader, a 'specialized, refined, and innovative' small giant enterprise, we remain resolute in our commitment to excellence, solidifying our position at the forefront of the industry.
Our flagship creation, the Advanced Proportional Valve for Safe Mining Machine Sections Control, epitomizes the pinnacle of cutting-edge hydraulic system control. This expertly crafted component is engineered for construction machinery and heavy-duty equipment, playing a vital 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 advancing 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 remain steadfast in our pursuit of delivering exceptional products, services, and solutions. Our mission is to emerge as a globally trusted supplier of premier hydraulic components, continually setting new standards 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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