Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the pinnacle of hydraulic innovation by seamlessly integrating pressure, flow, and directional control into a singular, harmonious masterpiece. This guarantees unparalleled performance and reliability across every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for seamless 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 include a compact structure, superior energy efficiency, and the capability for stepless speed control, offering exceptional versatility. Beyond this, they empower multiple actuators to operate simultaneously under varying loads, delivering the ultimate in performance across a wide range of applications, ensuring unrivaled versatility and adaptability.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. Conversely, 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, establishing them as 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. They are the epitome of advanced technology, ensuring robust performance, whether in heavy machinery or precision equipment applications.
| 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 cornerstone of unwavering reliability, delivering steady and assured performance to guarantee seamless and efficient functioning across your entire system.;
HLPSV: Variable Displacement Pump - Embodying supreme adaptability and versatility, offering exceptional flexibility to meet the diverse demands of a wide spectrum of operations.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, fostering a dependable operational framework::
2-G3/8; Expertly crafted for compact proficiency, designed to facilitate streamlined and seamless operational flows.
3-G1/2; Engineered with robustness and reliability, offering a solid foundation for your system's integrity.;
4-G3/4; Integrating advanced connectivity, providing superior control and enhanced system integration.;
5, 55-G1; Featuring superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Unparalleled performance delivery, expertly crafted to excel in demanding environments and effortlessly surmount challenges.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A steadfast and trusted foundation, meticulously engineered to meet essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures 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 extraordinary performance and dependability.;
(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); These options provide tailored solutions to seamlessly meet 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, and unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, and pressurizing it when unpowered;D/F - This state-of-the-art solution boasts a precision-engineered pressure limiting valve for secondary pressure (F50), meticulously calibrated to a specific pressure value. This paramount feature guarantees the highest standards of safety, security, and operational reliability, ensuring unparalleled performance in any application.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the ultimate fusion of versatility and precision with customizable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This exceptional component epitomizes adaptability, perfectly catering to every hydraulic requirement. For seamless configurations, /NF denotes the absence of a pressure limiting valve, expertly crafted for HLPSV, guaranteeing impeccable pressure management across a multitude of 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 masterful design, meticulously matched to every application to ensure you receive a product that precisely aligns with your distinct requirements and elevates your operational success.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including supplementary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, exquisitely designed for flawless and seamless integration into your hydraulic systems.
(9)Directional valve block inflow controller options: Select from an impressive array: 1, without inflow controller; 2, standard inflow controller; 4, an 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 delivering exceptional precision and unmatched efficiency.
(10) Valve core function symbols: Explore a comprehensive suite of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to fulfill specific functional demands with utmost accuracy and reliability.
(11) Output flow code for ports A & B: Achieve optimal efficiency with available peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered to deliver superior performance and dependability.
(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 uncompromising system safety and integrity.
(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 engineered for precise, controlled, and superior functionality.
(14) Operation modes: Choose from a diverse range 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), integrated 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, each meticulously crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Embrace unparalleled versatility with our expertly engineered options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These ports are meticulously crafted for seamless adaptability, ensuring flawless integration with your existing systems.
(16) End plate options: Unlock the potential of your system with our exquisitely tailored end plate solutions: E1, our standard bearer, delivers excellence with an external discharge of pilot oil and external oil return control port T; E2 echoes E1's functionality, enhanced with an additional port Y to meet diverse needs; E3 stands out with a 2-position 3-way magnetic ball valve, transforming your system's reliability by elevating pressure to safety valve standards upon activation.
E4, marked by innovation, shares E1's design ethos but advances with an internal discharge of pilot oil and a sealed port T; E5 parallels the refined design of E2, featuring internal discharge innovation; E6 mirrors E3's sophistication, each variant crafted to ensure superior discharge control, redefining operational efficiency.
(17) Control voltage and anti-explosion cable options: Select from a spectrum of secure and precisely engineered options such as G12-12VDC, each designed to ensure safety and peak performance in the most challenging environments.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 cutting-edge Safety Atex Valve, the epitome of our flagship offerings, and the load-sensitive proportional valve, showcase the zenith of advanced hydraulic system control. These expertly engineered marvels are crucial for construction machinery and heavy-duty equipment, proving indispensable in 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. Driven 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 ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence worldwide.
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Answer:Our production lead time is generally around one month following receipt of your payment. This period is dedicated to meticulous preparation and unwavering adherence to stringent quality control standards. Our unwavering commitment is to provide you with products of impeccable quality, ensuring your complete satisfaction and flawless delivery every time.
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