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 keystone of reliability, delivering consistent and steadfast performance to ensure smooth and efficient operations throughout your system.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework::
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows.
3-G1/2; Engineered for robustness and reliability, providing a solid base 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 unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, 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 bespoke pressure control solutions 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.
(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, 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 - Featuring a precision-engineered pressure limiting valve designed explicitly for secondary pressure (F50) with a meticulously set pressure value, this state-of-the-art attribute ensures top-tier safety measures are robustly in place, significantly boosting operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unleash unmatched precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes versatility, adeptly catering to all hydraulic demands. For streamlined configurations, /NF signifies the absence of a pressure limiting valve, expertly designed for HLPSV, ensuring impeccable pressure management across a wide array of applications.
(7) Product Series Classification - The Pinnacle of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a paragon of design, skillfully crafted to meet every application, ensuring delivery of a product that aligns flawlessly with your distinct needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; inclusive of ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously engineered for effortless and seamless integration.
(9)Directional valve block inflow controller options: Select from a spectrum: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for dual inlet and outlet, engineered for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering 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 purposefully crafted to satisfy specific functional requisites.
(11) Output flow code for ports A & B: Attain peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, carefully designed for exceptional performance and dependability.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting safeguard; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all gauged in bar, ensuring system safety beyond compromise.
(13) Function ON/OFF and pressure outlet options: Tailor 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 precisely engineered for exacting control and functionality.
(14) Operation modes: Choose from a variety of operation modes: A(1,2), manual 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, expertly crafted for comprehensive and precise command.
(15) Ancillary block port sizes: Embrace our versatile and expert-engineered options designed for seamless adaptability and integration. Select from /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, tailored to meet your specific needs and enhance your hydraulic system's performance.
(16) End plate options: Explore our impeccably crafted end plate solutions. E1, the standard option, offers an external discharge of pilot oil and an external oil return control port T. E2 closely resembles E1, but is enhanced with an additional port Y for added flexibility. E3 is equipped with a sophisticated 2-position 3-way magnetic ball valve, elevating your system's pressure to safety valve levels with precision and power.
E4, maintaining the simplicity of E1, yet innovatively designed with an internal discharge of pilot oil and a sealed port T for superior efficiency. E5 mirrors the versatility of E2 with internal discharge capabilities. E6 captures the elegance of E3, with each variant providing advanced and precise discharge control.
(17) Control voltage and anti-explosion cable options: Opt for a range of secure and meticulously compatible options like G12-12VDC, crafted specifically for safety and specialization in challenging applications, ensuring reliability and peace of mind.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 dazzled the hydraulic industry with unparalleled innovation and excellence. As a proud subsidiary of the renowned China Baoan Group (stock code: 000009), we are distinguished as a national high-tech enterprise. Our expertise encompasses the precise research, pioneering development, meticulous manufacturing, and strategic sales of premium hydraulic components. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, our steadfast dedication to technological advancement and superior quality positions us at the forefront of our industry.
Our flagship product, the enhanced Safety Atex Valve, epitomizes the zenith of advanced hydraulic system control. Masterfully engineered 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 proudly maintain strategic collaborations with leading domestic manufacturers to localize core hydraulic components for high-end mechanical equipment. Guided by our core philosophy-'serving customers with technology, impressing with our attitude, and retaining with quality'-we are unwavering 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 standards of excellence worldwide.
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 engage in thorough preparations, maintaining strict quality control measures to ensure each product is delivered in flawless condition. Our unwavering dedication is to exceed your expectations with impeccable delivery and exceptional service.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer an extraordinarily low minimum order quantity, allowing you the ease of ordering as little as a single unit for sample testing. This flexibility empowers you to begin your projects effortlessly and with precision, perfectly meeting your distinct needs.
Question:3. How to proceed with an order for LED lights?
Answer: Start by sharing your specific requirements or intended applications with us. We will then provide a customized quote either based on your specifications or our expert guidance. After finalizing the drawings and making a deposit, we will formalize the order and commence production. We are committed to meeting every specification with accuracy, delivering a seamless and bespoke solution exclusively for you.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, ensuring every detail is executed with perfection for a seamless and customized solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is entirely possible. Please ensure you notify us ahead of production and approve the design based on the sample we supply. This ensures your branding is represented with the utmost precision and excellence, reflecting your unique identity perfectly.
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