Welcome to the forefront of hydraulic innovation with our revolutionary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. More than mere components, these are a masterpiece of engineering excellence, representing the pinnacle of hydraulic technology advancement. Seamlessly blending pressure, flow, and directional control into one unified, harmonious unit, these valves deliver unrivaled performance and dependability in every application. Comprising three essential functional modules - connecting blocks, directional valves, and end plates - they are painstakingly designed for integration into top-tier hydraulic systems, critical for high-end engineering machinery. They precisely manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, ensuring unparalleled precision and control. Key features include a streamlined, compact design, superior energy efficiency, and the ability for seamless speed control. Additionally, they enable multiple actuators to function simultaneously under varied loads, providing unmatched performance and adaptability for any application.
The HLPSL valves are meticulously engineered for constant displacement pump systems, guaranteeing steadfast and reliable operation in every situation. In contrast, the HLPSV valves are expertly crafted for variable pump systems. Although HLPSV valves may exhibit a slightly slower response, their remarkable energy-saving capability distinguishes them, making them the superior choice when efficiency is paramount. With advanced engineering and an energy-conscious design, HLPSV valves emerge as the top-tier solution for sophisticated hydraulic control needs, offering a flawless combination of precision, reliability, and energy 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 - A steadfast cornerstone of dependability, this pump guarantees unwavering, consistent performance, ensuring a seamless and efficient operation across your entire system.;
HLPSV: Variable Displacement Pump - The ultimate in versatility and adaptability, this pump provides exceptional flexibility, effortlessly catering to a wide spectrum of operational prerequisites.;
(2) Connection Block Ports P & R Specifications - Precision and reliability converge to establish a robust operational framework::
2-G3/8; Designed for compact efficiency, it supports smooth, uninterrupted operational flows.
3-G1/2; Engineered for robust performance and dependability, providing a solid foundation for maintaining system integrity.;
4-G3/4; Featuring cutting-edge connectivity, this component offers superior control, enhancing system integration.;
5, 55-G1; Perfect for high-demand applications, its superior flow rates ensure consistent and reliable performance.;
6-G1 1/4; Delivering peerless performance, this component is expertly designed to thrive in challenging environments, seamlessly overcoming obstacles.;
(3) Additional Components and Specifications - Elevating system capabilities to unparalleled heights::
C,Standard Type - A foundation of reliability, meticulously crafted to meet essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision control and significantly enhances overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unmatched performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions tailored for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing customized solutions that seamlessly align with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, enabling pump pressurization when powered, and unloading when unpowered; D - Normally closed magnetic ball valve, facilitating pump unloading when powered, and pressurization when unpowered;D/F - Elevate your safety standards with our precision-engineered pressure limiting valve tailored for secondary pressure (F50). This cutting-edge feature ensures superior safety protocols, dramatically boosting operational security and unwavering reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience extraordinary versatility and accuracy with customizable pressure settings ranging from 63 to 400 bar. This marvel of adaptability is designed to meet a broad spectrum of hydraulic demands. For flawless configurations, /NF indicates no pressure limiting valve, precisely customized for HLPSV, securing impeccable pressure control across a vast array of applications.
(7) Product Series Classification - The Epitome of Engineering Perfection:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering spectacle, masterfully developed to satisfy diverse applications, delivering a product that flawlessly aligns with your precise needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; complete with ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, designed with precision for seamless integration and operation.
(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, crafted for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each providing precision and exceptional efficiency.
(10) Valve core function symbols: Explore an extensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional requirements.
(11) Output flow code for ports A & B: Optimize efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly 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 measured in bar, ensuring uncompromised system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your system with options like: N, without function ON/OFF or pressure outlet; X, C type pressure limitation; S/S1, AB type pressure limitation; A, electrical ON/OFF on side A; B, electrical ON/OFF on side B, each option meticulously engineered for precise control and functionality.
(14) Operation modes: Choose from a diverse array of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a blend of electric proportional control and manual operation; D, electric switching value control; DA(1,2), combined electric switching value control and manual operation; M, manual friction positioning with long handle; H, pure hydraulic control (alignment of pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, all meticulously crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Unleash the power of precision with our meticulously crafted port size options, engineered for seamless adaptability and integration. Choose from expertly designed selections: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each provides the pinnacle of flexibility, tailored to meet your exact requirements with unmatched efficiency.
(16) End plate options: Immerse yourself in our exceptional portfolio of finely tailored end plate solutions. E1 stands as the standard bearer, featuring an external discharge of pilot oil and an external oil return control port T. Elevate to E2 for an enhanced experience, offering an additional port Y. Discover the cutting-edge innovation of E3, which integrates a 2-position 3-way magnetic ball valve. This elevates your system's pressure to the pinnacle of safety valve levels when powered, ensuring unparalleled performance and reliability.
E4, akin to E1, distinguishes itself with an internal discharge of pilot oil and a sealed port T. E5 mirrors E2's excellence, now with internal discharge capabilities. Step into the future with E6, echoing the advanced design of E3. Each variant promises superior discharge control, ensuring your system operates with peak efficiency and performance.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and reliability with our comprehensive array of tailored solutions. Opt for G12-12VDC, ideal for specialized applications that demand absolute safety and compatibility without compromise.G24: Your go-to choice for robust performance and unwavering reliability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Enhance your strategic selections with these options, designed for maximum efficiency and adaptability in various demanding environments.12: A symbol of precision and reliability, tailored for impeccable integration into your systems.bb621436: The code of excellence representing a benchmark in our innovative design.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication positions us as frontrunners in our field.
Our enhanced Safety Atex Valve, the flagship product, embodies the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is vital for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with numerous leading domestic manufacturers, playing a pivotal role in localizing 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 are resolute in our commitment to delivering exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence worldwide.
Inquiry:1. Regarding Lead Time, What Is the Expected Duration?
Response:Our standard production lead time is approximately one month following payment confirmation. Within this period, we engage in comprehensive preparations and uphold stringent quality assurance protocols. This dedication guarantees that each product arrives in pristine condition, reflecting our unwavering commitment to delivering your satisfaction with flawless precision.
Inquiry:2. Is There a Minimum Order Quantity Limit for LED Light Purchases?
Response: We offer an exceptionally low minimum order quantity, enabling you to conveniently order as little as a single piece for sample evaluation. This flexibility allows you to start your projects with ease and precision, catering seamlessly to your exclusive needs.
Inquiry:3. What Are the Steps to Place an Order for LED Lights?
Response: Initiate the process by sharing your detailed requirements or intended applications with us. We will then provide a customized quote tailored specifically to your needs, based either on your unique specifications or through our expert guidance. Upon approval of the drawings and receipt of a deposit, we will confirm the order and commence production, ensuring every detail is crafted to perfection for a bespoke solution tailored just for you.drawings,and make a deposit to confirm the order. We will then proceed with organizing production, ensuring every aspect is executed flawlessly for a customized and seamless solution.
Inquiry:4. Can My Logo Be Printed on the Product?
Response: Certainly, this is entirely achievable. Please ensure you notify us formally before production begins and confirm the design based on the sample we provide. This ensures your branding is represented with unparalleled precision, capturing your identity perfectly.
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