Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations represent 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 cornerstone of dependable performance, ensuring smooth and efficient operations with unwavering consistency throughout your system.;
HLPSV: Variable Displacement Pump - The epitome of flexibility and adaptability, offering remarkable versatility to meet a diverse spectrum of operational requirements with ease.;
(2) Connection Block Ports P & R Specifications - Precision and reliability converge to establish a dependable operational framework::
2-G3/8; Meticulously crafted for compact efficiency, designed to facilitate smooth and seamless operational flows.
3-G1/2; Engineered for strength and reliability, providing a robust foundation for your system's integrity.;
4-G3/4; Featuring cutting-edge connectivity, offering superior control and enhanced system integration.;
5, 55-G1; With superior flow rates, ideally suited for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unparalleled performance, expertly crafted to excel in demanding environments and tackle challenges effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights::
C,Standard Type - A tried-and-true foundation, meticulously designed to fulfill essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing the overall efficiency and effectiveness of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, delivering unmatched performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Providing bespoke pressure control solutions for a wide range of applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering tailored solutions to seamlessly meet your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Amplifying 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;D/F - Elevate your safety standards to unprecedented heights with our meticulously precision-engineered pressure limiting valve, masterfully crafted for secondary pressure (F50). This state-of-the-art feature guarantees advanced safety protocols, significantly boosting operational security and reliability, ensuring peace of mind during operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unmatched versatility and precision with adjustable pressure settings spanning from 63 to 400 bar. This component is the epitome of adaptability, effortlessly accommodating a wide range of hydraulic requirements. For seamless configurations, /NF denotes the absence of a pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across a diverse array of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering marvel, expertly crafted to cater to a multitude of applications, providing you with a product that aligns seamlessly with your precise needs, delivering unparalleled performance and satisfaction.
(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, engineered with precision for seamless integration and operation, ensuring an unparalleled standard of excellence.
(9)Directional valve block inflow controller options: Discover a diverse array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, specifically designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and outstanding efficiency to elevate your operations.
(10) Valve core function symbols: Explore an extensive selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to fulfill specific functional requirements, providing unmatched versatility and performance.
(11) Output flow code for ports A & B: Maximize efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly designed to offer superior performance and robust reliability, ensuring optimal productivity.
(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 and peace of mind.
(13) Function ON/OFF and pressure outlet options: Tailor your system with options such as: 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, ensuring seamless and efficient operations.
(14) Operation modes: Choose from an extensive range of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a fusion of electric proportional control and manual operation; D, electric switching value control; DA(1,2), a combination of electric switching value control and manual operation; M, manual friction positioning with a 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, ensuring superior operational flexibility and command.
(15) Ancillary block port sizes: Discover our expertly curated selection of meticulously crafted port sizes, designed for seamless adaptability and integration into your system. Choose from our range of expertly engineered options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1, each option offering unparalleled flexibility and precision to perfectly align with and enhance your specific requirements.
(16) End plate options: Immerse yourself in our exceptional collection of finely tailored end plate solutions. E1 serves as the standard, featuring an external discharge of pilot oil and an external oil return control port T. E2 builds on E1's excellence with an additional port Y for enhanced utility. Experience the groundbreaking E3, which incorporates a 2-position 3-way magnetic ball valve, designed to elevate your system's pressure to safety valve levels when activated, ensuring superior performance and reliability.
E4, crafted with the same attention to detail as E1, distinguishes itself by integrating an internal discharge of pilot oil and a sealed port T. E5 mirrors E2's capabilities while featuring an internal discharge. Delve into the sophistication of E6, echoing the advanced ingenuity of E3, with each variant promising enhanced discharge control for optimal system performance and dependability.
(17) Control voltage and anti-explosion cable options: Ensure your system's safety and reliability with our diverse range of tailored solutions. Opt for G12-12VDC, ideal for specialized applications requiring uncompromising safety and compatibility. Select from our comprehensive options including G24G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has revolutionized the hydraulic industry through pioneering innovation and unmatched excellence. As a revered subsidiary of the illustrious China Baoan Group, with the stock code: 000009, we proudly hold the esteemed title of a national high-tech enterprise. Our core strength is in the precise research, development, manufacturing, and sales of top-tier hydraulic components. Our prestigious status as a national 'specialized, refined, and innovative' small giant enterprise highlights our steadfast commitment to technological progress and superior quality. This relentless pursuit of excellence positions us as leaders at the forefront of the industry.
Our cutting-edge Safety Atex Valve, our flagship innovation, exemplifies the zenith of advanced hydraulic system control. Ingeniously designed for construction machinery and robust heavy-duty equipment, this adaptable component is indispensable for critical high-stakes applications including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with numerous prominent domestic manufacturers, playing a vital role in the localization of core hydraulic components for high-end mechanical equipment. Our guiding philosophy is 'serving customers with technology, impressing customers with our attitude, and retaining customers with quality' - a testament to our unwavering dedication to delivering exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new standards of excellence across the globe.
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.
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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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