Introducing the groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves from Jiangsu KM Hydraulic Control System Co., Ltd. These engineering marvels represent the pinnacle of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into a singular, superior system. This distinctive synthesis guarantees unparalleled performance and steadfast reliability across a range of applications. Crafted from three essential functional modules-connecting blocks, directional valves, and end plates-these precision-engineered valves fit effortlessly into high-end hydraulic systems, becoming indispensable to elite engineering machinery. They proficiently regulate the movement direction and speed of hydraulic cylinders, motors, and various actuators, offering unmatched precision and control. Noteworthy features include a compact design, superior energy efficiency, and the capability for stepless speed control. Furthermore, they enable the simultaneous operation of multiple actuators under diverse loads, providing extraordinary performance and versatility for any application.
The HLPSL valves are meticulously crafted for constant displacement pump systems, ensuring unwavering dependability in all environments. In contrast, the HLPSV valves are ingeniously designed for variable pump systems. Although HLPSV valves may exhibit a slightly slower response, they excel in delivering remarkable energy-saving performance, rendering them the optimal choice where efficiency is paramount. With cutting-edge engineering and an energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control demands, offering an impeccable 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 - Embark on a journey of engineering excellence with this pump that ensures a seamless, harmonious workflow. Its robust design transforms your system into a masterpiece of precision and reliability, empowering machinery with steadfast performance.;
HLPSV: Variable Displacement Pump - Redefine versatility with this innovative pump, designed to adapt effortlessly to a spectrum of operational demands. Its advanced construction allows for smooth transitions and heightened control, keeping your systems at the forefront of technological achievement.;
(2) Connection Block Ports P & R Specifications - Where craftsmanship meets reliability, forming an unbreakable foundation. These meticulously detailed specifications ensure supreme performance and steadfast dependability, paving the way for assured success in every application.:
2-G3/8; Masterfully designed for compact excellence, it supports efficient operations in space-restricted environments, guaranteeing stellar performance with flawless precision.
3-G1/2; Built for strength and reliability, this component forms the backbone of your system, offering enduring durability and resilience even in the harshest conditions.;
4-G3/4; With cutting-edge connectivity, this component provides superior control and integration, boosting system efficiency and operational capability with unparalleled finesse.;
5, 55-G1; Designed for high-demand scenarios, it delivers exceptional flow rates with consistent performance, tackling high-pressure challenges with precision and ease.;
6-G1 1/4; Demonstrating extraordinary performance, this component excels even in the most challenging environments, setting new benchmarks for power and capability.;
(3) Additional Components and Specifications - Elevate your system's performance with pioneering components that redefine excellence. These advanced specifications unlock enhanced operational prowess, positioning your operations at the pinnacle of success.:
C,Standard Type - A steadfast foundation, crafted with precision to meet essential demands. This component provides unwavering support and unmatched reliability, enabling your system to reach its pinnacle of performance.;
G,Throttle Valve (For HLPSL only) - Achieve unmatched precision control to elevate efficiency. This valve fine-tunes your system for maximum effectiveness, ensuring every component harmonizes for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Elevate flow management with this valve, surpassing conventional limits to deliver extraordinary performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Experience the ultimate in power and precision with our custom pressure control solutions, specifically designed for a wide range of applications. These options are crafted with unparalleled accuracy to meet your exact operational needs, ensuring perfect alignment with your goals and objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Explore our custom-engineered solutions that seamlessly integrate into your operations. Enjoy the flexibility of customizable configurations designed to help you achieve precise outcomes effortlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Transform your system's performance by elevating its efficiency and control. This expertly crafted component is designed to maximize your system's capabilities, offering unprecedented control and 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. Experience precision tuning that delivers unmatched system efficiency and adaptability.D/F - Introducing a state-of-the-art, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted to maintain a precise pressure value, significantly enhancing safety measures while optimizing operational security and reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the height of versatility and precision with adjustable settings ranging from 63 to 400 bar. This component embodies adaptability, meeting every hydraulic need. The /NF configuration provides systems without a pressure limiting valve, specifically designed for HLPSV, offering unparalleled pressure control with supreme accuracy.
(7) Product Series Classification - The Epitome of Engineering Prowess:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to masterful design, precisely crafted to fulfill every application need, ensuring a seamless fit with your specific requirements, delivered with exceptional performance.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Equipped with auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered for flawless integration and optimal efficiency.
(9)Directional valve block inflow controller options: Select from a comprehensive 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. Discover options that offer precision and exceptional efficiency, customized to your needs.
(10) Valve core function symbols: Delve into an extensive array of core functions: L, M, F, H, J, B, R, O, N, each designed to meet specific functional requirements with unmatched precision and reliability.
(11) Output Flow Code for Ports A & B: Unlock exceptional productivity with our unmatched maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow setting is precisely tailored to deliver top-tier performance and unwavering reliability, ensuring your operations run smoothly and efficiently.
(12) Secondary Pressure Limitation Options: Ensure unparalleled operational safety and dependability with our precision-engineered pressure limitation options. Select 'N' for applications that do not require pressure limiting, ideal for straightforward tasks. Opt for 'C' to activate simultaneous pressure limitation on ports A & B, guaranteeing consistent operation. Choose 'A---B---' for specialized, independent control of ports A and B, allowing for a customized approach to system management. Each option is crafted to uphold the highest levels of system integrity, ensuring secure and efficient operations.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational control with our versatile configuration options, designed for peak performance. Choose 'N' for operations not requiring ON/OFF or pressure outlet features. For enhanced operational control, select 'X' combined with C type pressure limitation, or 'S/S1' for the AB type for thorough oversight. For precise electrical operations, opt for 'A' or 'B' to toggle ON/OFF functionality on side A or B respectively. Every option is tailored to deliver exceptional precision, efficiency, and excellence in operation.
(14) Operation Modes: Explore our comprehensive suite of operation modes, each crafted for exceptional versatility and precision. 'A(1,2)' offers manual operation with customizable handle lengths to suit ergonomic preferences. 'E' introduces advanced electric proportional control, while 'EA(1,2)' seamlessly blends this with manual operation for enhanced adaptability. 'D' provides electric switching value control, with 'DA(1,2)' adding manual operation for increased flexibility. 'M' is designed for expert manual friction positioning with a long handle. 'H' and 'F' cater to purely hydraulic operations, featuring unique pilot oil port designs to ensure complete control and mastery over your system.
(15) Ancillary Block Port Sizes: Boost adaptability and performance with our precision-engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure smooth system integration and peak performance across diverse systems and operational needs, guaranteeing your system operates at its pinnacle.
(16) End Plate Options: Uncover our superior end plate solutions, each meticulously crafted for optimal functionality and adaptability. Choose 'E1' for standard external discharge of pilot oil and control port T. 'E2' expands your capabilities with an additional port Y for added flexibility. 'E3' is precision-engineered to enhance performance with a 2-position, 3-way magnetic ball valve, boosting system pressure to safety valve levels on activation, ensuring top-tier functionality and reliability.
E4 mirrors 'E1' with advanced internal discharge of pilot oil and a sealed port T for optimized performance. 'E5' integrates the robust features of 'E2', offering internal discharge for superior system performance. 'E6' embodies the sophisticated design of 'E3', delivering advanced discharge control, perfect for high-demand system requirements, ensuring your system remains at the cutting edge of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our reliable voltage options, including G12-12VDC, engineered for maximum safety and reliability even under challenging conditions. Our solutions offer specialized security tailored to any application, ensuring your system's stability and performance are consistently upheld.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 become a beacon in the hydraulic industry through its relentless pursuit of innovation and excellence. As a respected subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a national high-tech enterprise, exemplifying our dedication to technological advancements and superior quality. Our expertise spans comprehensive research, cutting-edge development, precise manufacturing, and strategic marketing of premium hydraulic components. Celebrated nationally as a 'specialized, refined, and innovative' small giant enterprise, we remain committed to elevating our standards of excellence, solidifying our leadership in the industry.
At the core of our innovative product range stands our flagship creation: the Enhanced Safety Atex Valve. This engineering marvel epitomizes state-of-the-art hydraulic system control, designed for flawless integration into construction machinery and heavy-duty equipment. Its essential functionality spans critical applications, including life-saving emergency rescue operations, intricate tunnel engineering, ambitious mining endeavors, and essential municipal service vehicle operations. Our unwavering commitment to forging strategic alliances with leading domestic manufacturers accelerates the localization of core hydraulic components for high-end machinery. Guided by our philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are dedicated to producing exceptional products, providing unparalleled services, and delivering innovative solutions. With aspirations to be recognized globally as a trusted supplier of premier hydraulic components, we continually strive to set new standards 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.
){kind=link}