Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels represent the pinnacle of hydraulic innovation, skillfully combining pressure, flow, and directional control into a singular, cohesive masterpiece. 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 meticulously 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 meticulously 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 may exhibit a slightly slower response, they excel in delivering remarkable energy-saving performance, making them the optimal choice for scenarios where efficiency is paramount. With state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, providing an ideal 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 - This pump stands as the linchpin of reliability in your hydraulic system, ensuring smooth, consistent performance. With unwavering dependability, it guarantees your machinery runs seamlessly, akin to a finely-tuned engine.;
HLPSV: Variable Displacement Pump - Representing the pinnacle of adaptability, this pump effortlessly caters to a wide array of operational needs. Its design allows for seamless transitions and superior control, adapting to evolving demands with impeccable versatility.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability converge to form a dependable foundation: Engineered with meticulous detail, these ports ensure flawless performance and elevate reliability across all applications.:
2-G3/8; Designed for compact efficiency, this port supports seamless and streamlined operations. Its precise engineering ensures exceptional performance, even in tightly constrained spaces.
3-G1/2; Robust and reliable, this port underpins the integrity of your system. Built to withstand the toughest conditions, it delivers steadfast durability.;
4-G3/4; Offering advanced connectivity, this port provides superior control and enhances system integration, bringing sophistication and efficiency to your operations.;
5, 55-G1; With superior flow rates, this port is ideal for high-demand applications, ensuring consistent performance. It is designed to excel under high-pressure challenges.;
6-G1 1/4; Delivering unmatched performance, this expertly engineered port excels in challenging environments, setting new standards for power and performance.;
(3) Additional Components and Specifications - Elevating system capabilities: Unlock the full potential of your operations with advanced components that redefine excellence.:
C,Standard Type - This reliable foundation is meticulously crafted to meet essential operational needs, offering unwavering support and unmatched reliability.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing your system's efficiency by finely tuning operations for optimal effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve optimizes flow management, driving extraordinary performance and dependability beyond conventional limits.;
(4) Pilot Oil Circuit Pressure Options - Providing tailored pressure control solutions for diverse applications: These options are precisely aligned with your operational goals for optimal control.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Unleash the power of customized engineering solutions crafted meticulously to integrate seamlessly with your distinctive operational needs. Embrace configurations that transcend the ordinary, ensuring you achieve your objectives with unrivaled ease and precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Discover unparalleled efficiency and control: Masterfully designed to redefine your system's performance, it offers unprecedented control and extraordinary effectiveness, transforming your operational prowess.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. Unlock precision tuning, setting new benchmarks for system efficiency and unparalleled adaptability.D/F - Presenting a groundbreaking, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This engineering wonder is designed with extraordinary accuracy to sustain a specifically determined pressure value, significantly advancing safety measures and optimizing operational security and reliability to unparalleled levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unmatched versatility and precision with adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This component exemplifies adaptability, flawlessly meeting every hydraulic demand. The /NF configuration offers systems without a pressure limiting valve, masterfully crafted for HLPSV, delivering unmatched pressure control across diverse applications with exceptional precision.
(7) Product Series Classification - The Pinnacle of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series exemplifies a masterclass in design, ingeniously conceived to meet every application, ensuring you acquire a product that harmonizes flawlessly with your precise requirements, delivering consistently superior performance.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, exquisitely crafted for seamless and flawless incorporation, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Choose from a comprehensive array 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. Experience options that are pre-selectable, each delivering precision and exceptional efficiency, finely tuned to your specific requirements.
(10) Valve core function symbols: Explore a diverse collection of core functions: L, M, F, H, J, B, R, O, N, each intricately designed to fulfill specific functional requisites with unmatched precision and reliability.
(11) Output flow code for ports A & B: Achieve peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for supreme performance and steadfast dependability.
(12) Secondary Pressure Limitation Options: Discover unparalleled system safety and reliability with our expertly designed pressure limitation options. Choose 'N' for no pressure limiting protection, 'C' for concurrent pressure limitation of actuator ports A & B, or 'A---B---' for independent pressure limitation for ports A & B. Each option is meticulously calibrated in bar, ensuring your system remains flawlessly secure and dependable.
(13) Function ON/OFF and Pressure Outlet Options: Revolutionize your operations with our tailored selections. Opt for 'N' for a clean, basic setup without added functionalities. Choose 'X' paired with C type pressure limitation, or go for 'S/S1' alongside AB type pressure limitation for superior command. For precision-engineered control, select 'A' for electrical ON/OFF on side A, or 'B' for side B. Each option is crafted to deliver unrivaled precision and functionality.
(14) Operation Modes: Dive into a world of versatility and precision with our diverse operation modes. Experience 'A(1,2)' for manual operation tailored with long or short handles. Select 'E' for electric proportional control, or 'EA(1,2)' to combine it with manual handling for ultimate versatility. 'D' offers electric switching value control, while 'DA(1,2)' enhances it with manual operation. 'M' is perfect for manual friction positioning with an extended handle. Engage with 'H' and 'F' for pure hydraulic mastery, featuring expertly aligned or perpendicular pilot oil ports, delivering comprehensive control.
(15) Ancillary Block Port Sizes: Transform adaptability with our precision-engineered port size options. Choose /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, each crafted to ensure seamless integration and adaptability. Experience peak performance across a diverse array of systems with our expertly designed choices.
(16) End Plate Options: Discover our meticulously crafted end plate solutions, each engineered to perfection. 'E1' provides a standard with external discharge of pilot oil and oil return control port T. 'E2' offers added flexibility with an additional port Y. 'E3' integrates a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels upon activation, ensuring superior performance.
E4 echoes the features of 'E1', introducing an internal discharge of pilot oil with a sealed port T for enhanced efficiency. 'E5' mirrors the robust characteristics of 'E2' but with an internal discharge for optimal performance. 'E6' embodies the intricate design of 'E3', providing state-of-the-art discharge control for complex system requirements.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our robust and trustworthy array, including G12-12VDC, engineered for safety and dependability in the most demanding environments. Our options are crafted to deliver exceptional specialization and security, ensuring your needs are met with excellence.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 illuminated the hydraulic industry with its relentless commitment to innovation and unparalleled excellence. As a proud and prestigious subsidiary of the revered China Baoan Group (stock code: 000009), we stand tall as a national high-tech enterprise, a testament to our unwavering dedication to technological progression and superior quality standards. Our unparalleled expertise encompasses the meticulous research, pioneering development, precise manufacturing, and strategic sales of premium hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we remain steadfast in our pursuit of excellence, reinforcing our leadership position in the field.
At the heart of our product line stands the flagship innovation: the Enhanced Safety Atex Valve. This masterpiece of modern engineering embodies the zenith of cutting-edge hydraulic system control, meticulously crafted for deployment in construction machinery and robust heavy-duty equipment. It plays a vital role in imperative applications ranging from emergency rescue operations to tunnel engineering, mining endeavors, and the deployment of municipal service vehicles. We are profoundly committed to our strategic alliances with leading domestic manufacturers, propelling the advancement of core hydraulic component localization for high-end mechanical equipment. Anchored by our guiding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering in our quest to deliver exceptional products, unparalleled services, and innovative solutions. With a vision to emerge as a globally trusted supplier of premier hydraulic components, we continually aspire to set 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.
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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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