Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves - a pinnacle of hydraulic engineering! These revolutionary creations masterfully integrate pressure, flow, and directional control into one seamless marvel, assuring unparalleled performance and reliability for all applications. Typically comprising three critical functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are designed for flawless integration into high-end hydraulic systems, essential for superior engineering machinery. They expertly govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched 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 expertly designed for constant displacement pump systems, guaranteeing steadfast and reliable operation in any environment. Meanwhile, the HLPSV valves are ingeniously crafted for variable pump systems. Although HLPSV valves might exhibit a slightly slower response, they excel in delivering outstanding energy-saving performance, making them the optimal choice when 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, 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 - The cornerstone of reliability, this pump delivers consistent and unwavering performance, ensuring your systems operate smoothly and efficiently. Experience unparalleled dependability, keeping your machinery in seamless motion with precise functionality.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and versatility, this pump offers exceptional flexibility to cater to diverse operational demands. Designed to easily adjust for seamless transitions, it provides superior control for peak efficiency.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, forming a steadfast operational foundation: Crafted with meticulous detail for flawless performance, this design boosts reliability in every application, ensuring consistent, high-quality operation.:
2-G3/8; Crafted for compact efficiency, this connection supports streamlined and seamless operations. Precisely engineered for accuracy, it guarantees optimal performance even in confined spaces, meeting the highest operational standards.
3-G1/2; Designed for strength and dependability, this connection provides a robust foundation for system integrity. Built for durability, it withstands the most challenging conditions, ensuring your system remains resilient over time.;
4-G3/4; Offering cutting-edge connectivity, this component enhances control and system integration. Its sophisticated design elevates your system, merging efficiency with control to boost operational prowess.;
5, 55-G1; Boasting superior flow rates, this connection is ideal for demanding applications, ensuring reliable and consistent performance. Designed for excellence, it handles high-pressure challenges effortlessly, making it an indispensable component in tough environments.;
6-G1 1/4; Offering unrivaled performance, this connection excels in demanding environments, effortlessly tackling challenges. It sets new standards in power and performance, firmly establishing itself as an industry leader.;
(3) Additional Components and Specifications - Pushing system capabilities to new heights: Harnessing the power of advanced components to redefine excellence, this integration enhances system performance, keeping your operations at the forefront of industry standards.:
C,Standard Type - A steadfast and trusted foundation, engineered to meet crucial operational needs. Offering unwavering support and unmatched reliability, it empowers your system to withstand the demands of daily operations.;
G,Throttle Valve (For HLPSL only) - Ensures precision control for enhanced system efficiency. By fine-tuning operations for maximum effectiveness, it effortlessly optimizes your system's performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Elevate your flow management capabilities with this cutting-edge valve. Engineered to push the boundaries of conventional performance, it consistently delivers remarkable results, ensuring unparalleled performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Discover bespoke pressure control solutions tailored for diverse applications: Expertly crafted to meet your exact specifications, these options offer precision control that seamlessly aligns with your operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Easily customize solutions to perfectly meet your operational demands. Enjoy configurable options that ensure the achievement of your desired outcomes with exceptional convenience.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Revolutionize your system's efficiency and control: Expertly engineered to optimize performance, this magnetic ball valve provides unmatched control and outstanding effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve, engaging the pump under power, disengaging when unpowered; D - Normally closed magnetic ball valve, disengaging the pump under power, engaging when unpowered; Achieve precision tuning for superior system efficiency.D/F - Experience a revolutionary and meticulously engineered pressure limiting valve for secondary pressure (F50), crafted with unparalleled precision to sustain a precise pressure value. This engineering triumph enhances advanced safety measures, elevating operational security and reliability to unprecedented heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Achieve the ultimate in versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component represents adaptability at its finest, meeting every hydraulic need with ease. The /NF configuration provides systems without a pressure limiting valve, expertly designed for HLPSV, offering superior pressure control across diverse applications.
(7) Product Series Classification - Exemplifying Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a testament to masterful design, meticulously tailored to cater to every application, ensuring you receive a product that perfectly matches your specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Accompanied by ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, skillfully crafted for seamless and flawless integration.
(9)Directional valve block inflow controller options: Choose from an extensive selection of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for inlet and outlet, customized for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each designed for precision and outstanding efficiency.
(10) Valve core function symbols: Delve into a vast array of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet distinct functional requirements.
(11) Output flow code for ports A & B: Elevate your mining operations with our precision-engineered output flows, designed to deliver peak performance and unmatched reliability. Available maximum output flows range from 3 to 210 L/min, ensuring optimal efficiency and steadfast dependability for each unique application.
(12) Secondary pressure limitation options: Safeguard your systems with our extensive array of top-tier pressure limitation choices. Opt for 'N' for systems without pressure limiting protection, 'C' for synchronized pressure limitations across actuator ports A & B, or 'A---B---' for stand-alone pressure limitations for each port. Each meticulously calibrated in bar, these options provide the highest level of protection and security.
(13) Function ON/OFF and pressure outlet options: Perfect your control system with our expertly developed options: 'N' features without ON/OFF functions or pressure outlets, 'X' offers C-type pressure limitation, and 'S/S1' provides AB-type pressure limitation. Additionally, choose 'A' for electrical ON/OFF on side A or 'B' on side B. Each is crafted for unparalleled precision and unwavering reliability.
(14) Operation modes: Empower your operations with our versatile range of modes. 'A(1,2)' for manual operation using either long or short handles, 'E' ensures electric proportional control, while 'EA(1,2)' offers a harmonious blend of electric and manual operation. Choose 'D' for electric switching value control, 'DA(1,2)' combines electric and manual functions, 'M' provides manual friction positioning with a long handle, 'H' allows pure hydraulic control aligning pilot oil ports with ports A and B, and 'F' offers pure hydraulic control with perpendicular pilot oil ports. Each mode is crafted for precision and adaptability.
(15) Ancillary block port sizes: Experience unmatched versatility with our precisely engineered port size options: /2 G3/8, /3 G1/2, /4 G3/4, /5 G1. These options ensure seamless adaptability and flawless integration into a variety of systems, promising heightened efficiency and optimal performance.
(16) End plate options: Discover our precision-crafted end plate options designed for superior system integration. 'E1' facilitates external discharge of pilot oil and features an external oil return control port T. 'E2' enhances this with additional flexibility through port Y. 'E3' introduces a sophisticated 2-position, 3-way magnetic ball valve, managing system pressure to safety valve levels upon activation, securing maximum efficiency.
E4 mirrors E1 but innovatively includes an internal discharge of pilot oil with a sealed port T, enhancing operational efficiency. 'E5' elevates E2's features with internal discharge, assuring premium performance. 'E6' reflects the advanced design of E3, providing cutting-edge discharge management for intricate system needs.
(17) Control voltage and anti-explosion cable options: Choose from our reliable range, featuring G12-12VDC, meticulously crafted for demanding applications where safety and reliability take precedence. Rest assured, our offerings are designed for ultimate specialization and protection.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Established in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has rapidly risen as a beacon of innovation and excellence in the dynamic hydraulic industry. As a proud member of the esteemed China Baoan Group (stock code: 000009), our company is a national high-tech enterprise, exemplifying our relentless commitment to technological advancement and superior quality. Our unmatched expertise spans comprehensive research, development, manufacturing, and sales of high-end hydraulic components. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we are unwavering in our pursuit of excellence, reinforcing our leadership within the industry.
Unveiling our premier innovation, the state-of-the-art Safety Atex Valve, which stands as the pinnacle of cutting-edge hydraulic system control technology. This expertly crafted component is essential for construction machinery and heavy-duty equipment, playing a pivotal role in emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are immensely proud of our strategic alliances with leading domestic manufacturers, which significantly advance the localization of key hydraulic components for sophisticated mechanical equipment. Adhering to our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are relentless in our mission to provide exceptional products, services, and solutions. Our vision is to emerge as a globally trusted supplier of premium hydraulic components, continually setting 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.
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