Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations are the pinnacle of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into a singular, harmonious masterpiece. This guarantees unparalleled performance and reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for integration into high-end hydraulic systems, crucial for top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights encompass a compact structure, superior energy efficiency, and the capability for stepless speed control. Beyond this, they empower multiple actuators to operate simultaneously under varying loads, delivering unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. On the other hand, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in delivering exceptional energy-saving performance, making them the ultimate choice for applications where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering a perfect 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 keystone of reliability, delivering consistent and steadfast performance, ensuring smooth and efficient operations at the heart of your system.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility, fully accommodating a wide range of operational requirements.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, forging a trustworthy operational framework::
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows, maximizing efficiency.
3-G1/2; Engineered for robustness and reliability, providing a solid foundation for your system's integrity and longevity.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration for optimal performance.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent, reliable performance under pressure.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments, tackling challenges with ease and precision.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements with precision.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, significantly enhancing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability with expert precision.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to seamlessly meet your specific operational demands, ensuring optimal performance.
(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, pressurizing the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing it when unpowered, ensuring precision operation.D/F - Discover the epitome of innovation with our precision-engineered pressure limiting valve designed for secondary pressure (F50). Featuring a meticulously defined pressure value, this state-of-the-art component guarantees superior safety measures, delivering unparalleled operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unleash the power of versatility and precision with adjustable settings across an impressive range of 63, 120, 210, 280, 315, 350, to 400 bar levels. This component exemplifies adaptability, perfectly suiting all hydraulic needs. For seamless configurations, /NF denotes the absence of a pressure limiting valve, expertly crafted for HLPSV, ensuring impeccable pressure management across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a testament to expert craftsmanship, designed to meet every application requirement, providing you with a product that harmoniously aligns with your specific needs.
(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, crafted with precision for a smooth and flawless integration experience.
(9)Directional valve block inflow controller options: Opt for an array of choices: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each engineered for precision and exemplary efficiency.
(10) Valve core function symbols: Explore a comprehensive suite of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill specific functional demands.
(11) Output flow code for ports A & B: Maximize efficiency with peak output flows available at: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for superior performance and unwavering 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: Customize with these options: 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 engineered for precise and superior 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 perfect 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 a long handle; H, pure hydraulic control aligning pilot oil ports with oil ports A and B; F, pure hydraulic control with perpendicular pilot oil ports, designed for comprehensive precision control.
(15) Ancillary block port sizes: Choose from our expertly engineered adaptable options for seamless integration: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, providing you with unmatched flexibility and connectivity.
(16) End plate options: Explore our finely tailored end plate solutions. E1, the standard, features an external pilot oil discharge and an external oil return control port T. E2 closely resembles E1 but includes an additional port Y for enhanced functionality. E3 is equipped with a 2-position, 3-way magnetic ball valve that elevates your system's pressure to safety valve levels when powered, ensuring optimal performance.
E4 mirrors E1 in design, yet innovatively integrates an internal discharge of pilot oil with a sealed port T for superior fluid management. E5, akin to E2, also features this advanced internal discharge, while E6 reflects the sophistication of E3, each variant offering advanced discharge control for enhanced operational efficiency.
(17) Control voltage and anti-explosion cable options: Select from our secure and compatible range of control voltages, such as G12-12VDC, specifically tailored for safety and specialization in demanding applications, ensuring reliable performance.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
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 flagship innovation, the Enhanced Safety Valve Technology for Hawe Psl Type Hydraulic Distributors, showcases the zenith of hydraulic control systems. This load-sensitive proportional valve, a marvel of engineering, is specifically designed for high-performance use in construction machinery and heavy-duty equipment. Its robust versatility makes it indispensable in critical applications, including emergency rescue missions, tunnel engineering, mining operations, and municipal service vehicles. We proudly collaborate with leading domestic manufacturers, playing an instrumental role in the localization of essential hydraulic components for sophisticated mechanical equipment. Driven by our core philosophy - 'serving customers with technology, impressing customers with our attitude, and retaining customers with quality' - we are steadfast in our dedication to delivering unparalleled products, services, and solutions. Our mission is to rise as a globally trusted supplier of top-tier hydraulic components, consistently setting new standards of excellence on the world 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?
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