Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a marvel of modern engineering. These revolutionary creations epitomize hydraulic innovation, seamlessly integrating pressure, flow, and directional control into a single, cohesive masterpiece. This integration ensures unmatched performance and reliability across a spectrum of applications. Comprising three essential functional modules - connecting blocks, directional valves, and end plates - these valves are engineered with meticulous precision for seamless incorporation into high-end hydraulic systems, pivotal for premier engineering machinery. They adeptly regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering supreme precision and control. Key highlights include a compact structure, exceptional energy efficiency, and the capability for stepless speed control. Moreover, they enable multiple actuators to function simultaneously under diverse loads, offering incomparable performance and versatility for any application.
The HLPSL valves are expertly tailored for systems utilizing constant displacement pumps, ensuring unwavering and reliable operation in every environment. Conversely, the HLPSV valves are ingeniously designed for variable pump systems. Although HLPSV valves may demonstrate a slightly slower response time, they excel in providing outstanding energy-saving performance, making them the optimal choice for applications where efficiency is critical. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the premier solution for sophisticated hydraulic control needs, offering an impeccable synergy 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, this pump is engineered to deliver consistent and steadfast performance. It ensures smooth, uninterrupted, and efficient operations across your entire hydraulic system.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, this pump provides extraordinary flexibility. It is crafted to accommodate a diverse range of operational requirements with ease and precision.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, forging a trustworthy operational framework::
2-G3/8; Meticulously crafted for compact proficiency, designed to support streamlined and seamless operational flows, enhancing system efficiency.
3-G1/2; Expertly engineered for robustness and superior reliability, providing a solid base that upholds your system's integrity and durability.;
4-G3/4; Featuring advanced connectivity, this option offers superior control and enhanced system integration, fostering optimal performance.;
5, 55-G1; This configuration is equipped with superior flow rates, making it ideal for high-demand applications, ensuring consistent and reliable performance under pressure.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments, tackling challenges effortlessly with precision and reliability.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to fulfill essential operational requirements with unwavering dependability.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly enhancing the overall efficiency and performance of your hydraulic system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and steadfast dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions tailored 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 with precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control with innovative solutions:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, seamlessly unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing it when unpowered, offering dynamic control solutions.D/F - Featuring a precision-engineered pressure limiting valve dedicated to secondary pressure (F50), with a predetermined pressure value, this state-of-the-art feature ensures premium safety is in place, significantly boosting operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embrace the power of versatility and unrivaled precision with adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component is a true testament to adaptability, meeting all hydraulic demands. For optimized configurations, /NF signifies no pressure limiting valve, deftly engineered for HLPSV, ensuring flawless pressure management for diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Prowess:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterpiece, meticulously crafted to suit every application, ensuring you acquire a product that impeccably aligns 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; complete with ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly engineered for smooth and seamless integration.
(9)Directional valve block inflow controller options: Select from an array: 1, without inflow controller; 2, standard inflow controller; 4, an 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 delivering precision and exceptional 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 meet specific functional requirements.
(11) Output flow code for ports A & B: Attain maximum efficiency with available peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for superior performance and reliability.
(12) Secondary pressure limitation options: Opt for: 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 unwavering system safety.
(13) Function ON/OFF and pressure outlet options: Customize with choices 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 crafted for precise control and functionality.
(14) Operation modes: Select from a 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), 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: Discover our versatile and expertly crafted options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each choice is meticulously designed to provide seamless adaptability, ensuring easy integration into your systems with precision engineering.
(16) End plate options: Explore our customized end plate solutions that suit your specific needs: E1, the standard variant, offers external discharge of pilot oil with a separate oil return control port T. E2 builds on E1 with an enhanced additional port Y. E3 introduces a 2-position 3-way magnetic ball valve, designed to elevate system pressure to safety valve standards when activated.
E4 shares its foundational design with E1, yet innovatively incorporates an internal discharge of pilot oil with a sealed port T. E5 echoes E2 with similar internal discharge features. E6 mirrors the sophistication of E3, with each variant offering superior discharge control, tailored to enhance your hydraulic system's performance.
(17) Control voltage and anti-explosion cable options: Select from a secure range of compatible options such as G12-12VDC, specifically designed for safety and specialization in rigorous applications, ensuring optimal performance in 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 enhanced Safety Atex Valve, the flagship product, epitomizes the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component becomes indispensable 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 are resolute 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.
Inquiry:1. What is the estimated lead time for production?
Response:The typical lead time for production is around one month following receipt of payment. During this period, we meticulously prepare and implement stringent quality control measures, ensuring each product reaches you in pristine condition. Your complete satisfaction with our impeccable delivery is our utmost priority and commitment.
Inquiry:2. Do you impose any MOQ restrictions for ordering LED lights?
Response: We are pleased to offer a remarkably low minimum order quantity, allowing you to order a single piece for sample verification. This flexibility empowers you to begin your projects with ease and accuracy, seamlessly accommodating your specific needs.
Inquiry:3. What are the steps to place an order for LED lights?
Response: Start by sharing your comprehensive requirements or intended applications with us. We will then prepare a tailored quote, crafted either to meet your unique needs or based on our expert recommendations. Once the drawings are finalized and a deposit is made, we will formalize the order and commence production, ensuring each specification is met with precision for a seamless, customized solution.finalize the drawings,and place a deposit to formalize the order. We will then organize production, ensuring every detail is executed to perfection for a seamless, custom-fit solution.
Inquiry:4. Is it acceptable to print my logo on the product?
Response: Absolutely, this is entirely possible. Please ensure you inform us before production begins and confirm the design with the sample we provide. This ensures your branding is depicted with unmatched precision and excellence, perfectly encapsulating your identity.
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