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 their 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 - The steadfast backbone of your hydraulic ecosystem, enabling rock-solid consistency and seamless operations. It is the epitome of reliability, ensuring your machinery functions with machine-like precision and trustworthiness.;
HLPSV: Variable Displacement Pump - A paragon of adaptability, this pump is crafted for supreme versatility, effortlessly adapting to an array of operational scenarios. With its remarkable flexibility, it enables smooth transitions and unparalleled control.;
(2) Connection Block Ports P & R Specifications - A fusion of precision and dependability, delivering an impeccable operational foundation: Meticulously crafted for flawless performance, ensuring reliability across all applications.:
2-G3/8; Designed with compact precision, this component supports streamlined operational efficiency. Crafted to fit within the narrowest confines, it guarantees exceptional performance where space is a premium.
3-G1/2; Engineered for strength and reliability, this port establishes a robust framework for system integrity. Built to withstand, it reliably delivers durability in the harshest conditions.;
4-G3/4; Offering state-of-the-art connectivity, this component enhances system integration and control. It merges sophistication with efficiency, boosting your system's operational capabilities.;
5, 55-G1; Delivering exceptional flow rates, this is perfect for high-demand settings, consistently ensuring performance you can rely on. Engineered for excellence, it tackles high-pressure needs effortlessly.;
6-G1 1/4; A powerhouse of unparalleled performance, exquisitely designed to thrive in challenging environments. This component sets the standard for power and efficiency.;
(3) Additional Components and Specifications - Elevate your system's potential to exceptional heights: Unleash new levels of operational excellence with advanced components that redefine superiority.:
C,Standard Type - The bedrock of reliability, meticulously engineered to meet essential operational needs. It provides robust support and unwavering dependability to strengthen your system.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, significantly boosting your system's overall efficiency. This ensures your operations are optimized for peak performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Heightens flow management, delivering extraordinary performance and unmatched dependability. It transcends conventional limits to achieve exceptional outcomes.;
(4) Pilot Oil Circuit Pressure Options - Providing bespoke pressure control solutions to suit a variety of applications: These are tailored precisely to your specifications, ensuring precision control that perfectly aligns 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 your operations with our bespoke engineering solutions, crafted to perfectly align with your specific needs. Experience the ultimate in customization, ensuring precise and effortless achievement of your desired results.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhance your system's performance with expertly engineered components for superior efficiency and control, transforming operational capabilities to new heights.C - No magnetic ball valve; F - Normally open magnetic ball valve, activating pump pressure when powered, and unloading when unpowered; D - Normally closed magnetic ball valve, enabling pump unloading when powered, and pressurizing when unpowered. Achieve unparalleled system efficiency and adaptability with precision tuning.D/F - Unveiling a cutting-edge, precision-engineered pressure limiting valve for secondary pressure (F50). This precision-crafted solution is designed to uphold a defined pressure value, significantly advancing safety measures and optimizing operational security and reliability to extraordinary levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover ultimate versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component exemplifies adaptability, perfectly catering to every hydraulic need. The /NF configuration provides systems without a pressure limiting valve, specifically crafted for HLPSV, ensuring supreme accuracy in pressure control across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Ingenuity:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to masterful design, expertly crafted to meet all application needs, ensuring you obtain a product that seamlessly aligns with your requirements, consistently delivering outstanding performance.
(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, designed for flawless integration, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Choose from a wide 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. Experience pre-selectable options for precision and exceptional efficiency, tailored to your specific needs.
(10) Valve core function symbols: Explore a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements with unmatched precision and reliability.
(11) Output flow code for ports A & B: Achieve pinnacle efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for optimal performance and steadfast dependability.
(12) Secondary Pressure Limitation Options: Tailor your mining machinery's safety features with our diverse pressure limitation options. Choose 'N' for no pressure limiting protection, ensuring straightforward operation. Opt for 'C' for synchronized pressure limitation on actuator ports A & B, or select 'A---B---' for independent control over each port. Each option is rigorously measured in bar, guaranteeing unmatched safety and dependability.
(13) Function ON/OFF and Pressure Outlet Options: Transform your operational efficiency with our versatile options. For simplicity, select 'N' without function ON/OFF or pressure outlet. Choose 'X' for C type pressure limitation, or 'S/S1' for AB type pressure limitation to achieve superior control. For precision electrical control, select 'A' for ON/OFF on side A, or 'B' for side B, each meticulously designed for perfect execution.
(14) Operation Modes: Discover a range of operation modes meticulously crafted for adaptability and exactness. Choose 'A(1,2)' for manual control with a customizable handle length. 'E' offers electric proportional control, while 'EA(1,2)' merges it with manual operation for ultimate versatility. 'D' provides electrical switching value control, with 'DA(1,2)' combining manual capabilities. Opt for 'M' for manual friction positioning with an extended handle. Experience 'H' and 'F' for pure hydraulic control, featuring pilot oil ports that are expertly aligned or perpendicular, ensuring comprehensive and precise system management.
(15) Ancillary Block Port Sizes: Unlock unparalleled adaptability with our precision-engineered port size options. Select from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, each designed to integrate smoothly with your system. These options promise exceptional performance across a diverse range of applications.
(16) End Plate Options: Dive into our advanced end plate configurations. 'E1' is your go-to standard, featuring an external discharge of pilot oil and a control port T for oil return. 'E2' enhances flexibility with an extra port Y. 'E3' introduces a 2-position, 3-way magnetic ball valve, activating system pressure escalation to safety valve levels, securing peak operational performance.
E4 mirrors 'E1', boasting an innovative internal discharge of pilot oil with a sealed port T, optimizing efficiency. 'E5' carries forward the robust properties of 'E2' with internal discharge for enhanced performance. 'E6' reflects the intricate design of 'E3', providing sophisticated discharge regulation for the most demanding system requirements.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure range, including G12-12VDC, meticulously engineered for safety and reliability in the most challenging conditions. Our options guarantee specialized and secure performance.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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