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 reliability, offering unyielding performance to guarantee the smooth and efficient operation of your entire system.;
HLPSV: Variable Displacement Pump - A model of adaptability and versatility, delivering remarkable flexibility to meet a diverse array of operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, creating a dependable operational framework::
2-G3/8; Designed for compact efficiency, supporting streamlined and seamless operational flows.
3-G1/2; Built for robustness and reliability, providing a strong foundation for your system's integrity.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights::
C,Standard Type - A reliable and trusted base, meticulously crafted to fulfill essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, boosting the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, delivering exceptional performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Providing customized pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering tailored solutions to seamlessly fulfill your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Improving 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 - Enhance your hydraulic systems with our cutting-edge precision-engineered pressure limiting valve, specifically designed for secondary pressure (F50) applications. This advanced feature guarantees superior safety measures, boosting operational security and reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover ultimate versatility and unmatched precision with our adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component stands as a hallmark of adaptability, meeting all your hydraulic demands. For seamless configurations, /NF signifies the absence of a pressure limiting valve, expertly tailored for HLPSV, ensuring perfect pressure management across various 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 engineering, meticulously crafted to suit every application, ensuring you receive a product that aligns flawlessly with your specific requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including expertly engineered ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve for smooth and seamless integration.
(9)Directional valve block inflow controller options: Choose your ideal solution from our range: 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 offering unmatched precision and remarkable efficiency.
(10) Valve core function symbols: Explore an extensive suite of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill specific functional demands with accuracy.
(11) Output flow code for ports A & B: Unlock maximum efficiency with peak output flows available at: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for exceptional 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 unparalleled system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your system with options such as: N, no 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 designed for precise control and superior functionality.
(14) Operation modes: Choose from a wide array of operation modes: A(1,2), manual operation with a choice of long or short handle; E, electric proportional control; EA(1,2), a seamless 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 (alignment of pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, expertly crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Experience our selection of meticulously designed, adaptable options to ensure perfect fit and integration: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each choice is expertly crafted for seamless adaptability and flawless integration into your hydraulic systems.
(16) End plate options: Explore our range of precision-engineered end plate solutions: E1, our standard choice, provides an external discharge of pilot oil with an external oil return control port T; E2, similar to E1, is enhanced with an extra port Y; E3 features a sophisticated 2-position 3-way magnetic ball valve, boosting your system's pressure to safety valve standards when activated.
E4, designed akin to E1, ingeniously incorporates an internal discharge of pilot oil coupled with a sealed port T; E5 mirrors E2 with internal discharge capabilities; E6 embodies the sophistication of E3, each variant diligently designed to ensure superior discharge control.
(17) Control voltage and anti-explosion cable options: Opt from an assortment of secure and compatible options such as G12-12VDC, engineered for safety and tailored for specialization in challenging applications.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our dynamic inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has shone brightly in the hydraulic industry, heralding an era of groundbreaking innovation and unparalleled excellence. As a prestigious branch of the illustrious China Baoan Group (stock code: 000009), we proudly stand as a national high-tech enterprise of distinction. Our expertise is embedded 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 Atex Valve, exemplifies the pinnacle of advanced hydraulic system control with its ingenious load-sensitive proportional valve. Expertly engineered for construction machinery and robust 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 remain 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 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 seamless timeframe, we conduct meticulous preparations and uphold the highest standards of quality control, ensuring that each product reaches you in immaculate condition. We are dedicated to delivering excellence and achieving your utmost satisfaction with our flawless and timely delivery remains our primary commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer an exceptionally low minimum order quantity, allowing you the luxury of ordering as little as a single piece for sample verification. This unrivaled flexibility empowers you to commence your projects with utmost ease and precision, perfectly catering to your exclusive requirements without compromise.
Question:3. How to proceed with an order for LED lights?
Answer: Embark on the ordering journey by conveying your detailed requirements or desired applications to us. We will craft a personalized quote just for you, relying on your unique specifications or benefiting from our expert guidance. Following this, once the drawings are finalized and a deposit is made, we will formalize the order and proceed with production. We guarantee adherence to every specification, ensuring a seamless, bespoke solution tailored exclusively to your needs.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, meticulously ensuring every detail is executed to perfection for a solution tailored uniquely to you.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is entirely feasible. Please make sure to officially inform us prior to the commencement of production and confirm the design based on the sample we provide. This ensures that your branding is captured with unparalleled precision and excellence, perfectly embodying your unique identity with distinction.
){kind=link}