Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering feats epitomize the pinnacle of hydraulic innovation, seamlessly blending pressure, flow, and directional control into a singular, harmonious masterpiece. This guarantees unparalleled performance and dependability in every application. Crafted with precision, these valves typically consist of three essential functional modules - connecting blocks, directional valves, and end plates - tailored for flawless integration into high-end hydraulic systems. Perfect for top-tier engineering machinery, they adeptly govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights include a compact structure, outstanding energy efficiency, and the capability for stepless speed control. Moreover, they empower multiple actuators to operate concurrently under varying loads, ensuring unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and unfailing operation in every scenario. In contrast, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may demonstrate a slightly slower response, they excel in offering remarkable energy-saving performance, establishing them as the ultimate choice for applications where efficiency is of utmost importance. With their cutting-edge engineering and energy-efficient design, HLPSV valves distinguish themselves 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 - This is the cornerstone of reliability, devoted to delivering consistent and steadfast performance. It ensures that your system operates smoothly and efficiently at all times.;
HLPSV: Variable Displacement Pump - Embodying a paragon of adaptability and versatility, this pump offers unparalleled flexibility to meet a wide array of operational demands with ease.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, crafting a dependable operational framework::
2-G3/8; Specifically crafted for compact proficiency, designed to support streamlined operational flows seamlessly.
3-G1/2; Engineered with robustness in mind, this port provides a solid base, ensuring the integrity of your system.;
4-G3/4; With advanced connectivity, it offers superior control and enhanced system integration capabilities.;
5, 55-G1; This port is equipped for superior flow rates, making it ideal for high-demand applications and ensuring consistent performance.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in challenging and demanding environments effortlessly.;
(3) Additional Components and Specifications - Elevating your system's capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously crafted 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.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for a variety of applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailor-made solutions to seamlessly align with your specific operational demands.
(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, activating the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, activating it when unpowered;D/F - This state-of-the-art equipment features a precision-engineered pressure limiting valve specifically designed for secondary pressure management (F50) with a defined pressure value. This revolutionary feature embeds advanced safety protocols, significantly boosting operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover versatile adaptability and unrivaled precision with adjustable settings ranging from 63 to 400 bar levels. This exemplary component epitomizes adaptability, fulfilling all hydraulic requirements. For optimal configurations, /NF signifies the absence of a pressure limiting valve, meticulously engineered for HLPSV, guaranteeing flawless pressure management across varied applications.
(7) Product Series Classification - The Pinnacle of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a marvel of design, meticulously crafted to meet every application requirement, ensuring a perfect match for your specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously engineered for smooth and seamless integration.
(9)Directional valve block inflow controller options: Choose from a comprehensive selection: 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; 8, pre-selectable options, each offering precision and exceptional efficiency.
(10) Valve core function symbols: Explore an extensive suite of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to meet specific functional requirements.
(11) Output flow code for ports A & B: Attain maximum efficiency with peak output flows available: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, carefully crafted for superior performance and reliability.
(12) Secondary pressure limitation options: Opt for: N, no pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring unparalleled system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your experience 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 engineered for precise control and comprehensive functionality.
(14) Operation modes: Select from a spectrum of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a combination 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, crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Select from a diverse array of adaptable options, expertly crafted to ensure a seamless fit and versatile integration with your system: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each choice is designed to enhance your equipment's performance with precision and reliability.
(16) End plate options: Explore our meticulously designed end plate solutions tailored to meet your specific needs: E1, the standard choice, offers an external discharge of pilot oil with an external oil return control port T; E2, enhancing E1 with an added port Y; E3, featuring a 2-position 3-way magnetic ball valve, elevates your system's performance to safety valve levels upon activation.
E4, reflecting the design of E1, features an innovative internal pilot oil discharge with a sealed port T; E5, similar to E2, offers internal discharge capabilities; E6, mirroring the sophistication of E3, each variant is engineered to ensure superior discharge control and system efficiency.
(17) Control voltage and anti-explosion cable options: Choose from a secure selection of compatible control voltage and anti-explosion cable options. Tailored for safety and exceptional performance in demanding environments, options include G12-12VDC.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 product, the Enhanced Safety Valve Technology for Load Sensitive Hydraulic System in Hawe Equipment, represents the zenith of advanced hydraulic system control. Expertly crafted for construction machinery and heavy-duty equipment, this versatile component is indispensable for high-stakes applications like emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are immensely proud of our strategic alliances 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 steadfast in our commitment to delivering exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new benchmarks 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 period, we meticulously prepare and uphold rigorous quality control processes, ensuring each product is delivered in impeccable condition. Your utmost satisfaction with our flawless delivery remains our top priority and commitment.
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Answer: We proudly offer an exceptionally low minimum order quantity, allowing the convenience of ordering as little as a single piece for sample verification. This flexibility empowers you to initiate your projects with precision, catering effortlessly to your exclusive requirements.
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Answer: Absolutely, this is entirely feasible. Kindly notify us prior to the commencement of production and confirm the design based on the sample we provide. This ensures your branding is represented with unparalleled precision and excellence, perfectly capturing your identity.
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