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 - Our state-of-the-art precision-engineered pressure limiting valve for secondary pressure (F50) is designed with a defined pressure value, ensuring that advanced safety measures are seamlessly integrated to enhance operational security and reliability to the highest standards.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unparalleled versatility and precision with our adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. Designed for adaptability, this component stands as a hallmark of innovation, catering to every hydraulic demand. For optimized configurations, /NF denotes no pressure limiting valve, specifically crafted for HLPSV, ensuring impeccable pressure management across a wide spectrum of applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a marvel of engineering, precisely crafted to meet every application's demands, ensuring you receive a product that is perfectly tailored to your specific needs.
(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, meticulously engineered for smooth, seamless integration.
(9)Directional valve block inflow controller options: Choose from an array of configurations: 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 efficiency.
(10) Valve core function symbols: Uncover an extensive range of core functions: L, M, F, H, J, B, R, O, N, each specifically crafted to address distinct functional requirements.
(11) Output flow code for ports A & B: Achieve peak efficiency with our available output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for superior performance and unwavering reliability.
(12) Secondary pressure limitation options: Select 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 experience 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 engineered for precision control and optimized functionality.
(14) Operation modes: Choose from an array of operation modes: A(1,2), manual operation with an 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 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.
(15) Ancillary block port sizes: Select from an exceptional range of adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These have been meticulously engineered to ensure seamless adaptability and flawless integration, offering you unparalleled flexibility in your system design.
(16) End plate options: Explore our expertly crafted end plate solutions tailored to meet your specific needs: E1, our standard choice, features an external discharge of pilot oil and an external oil return control port T for optimal functionality; E2, similar to E1, but enhanced with an additional port Y for increased versatility; and E3, featuring a sophisticated 2-position 3-way magnetic ball valve, which elevates your system's pressure to safety valve levels when activated, ensuring superior performance and safety.
E4, maintaining the design ethos of E1, innovatively integrates an internal discharge of pilot oil with a sealed port T for heightened efficacy; E5 mirrors the versatility of E2 with an internal discharge system; while E6 embodies the advanced engineering of E3, offering a refined discharge control with each variant, ensuring superior operational efficiency.
(17) Control voltage and anti-explosion cable options: Select from a robust array of secure and compatible options like G12-12VDC. These are specially tailored to ensure safety and optimal performance in even the most demanding applications, providing you with peace of mind and reliability.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, is a stunning example of cutting-edge hydraulic system control, epitomized by the load-sensitive proportional valve. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is essential 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 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 benchmarks 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 conduct meticulous preparations and adhere to stringent quality control processes. This ensures each product is delivered to you in impeccable condition, fulfilling our promise of flawless delivery and your utmost satisfaction.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer a remarkably low minimum order quantity, allowing you to order as little as a single piece for sample verification. This flexibility provides the convenience to start your projects with ease and precision, effortlessly meeting your exclusive requirements.
Question:3. How to proceed with an order for LED lights?
Answer: Start by sharing your detailed requirements or intended applications with us. We will then provide a quote tailored specifically for you, based on your unique needs or our expert recommendations. Once the drawings are finalized and a deposit is made, we formalize the order and begin production. Our commitment is to adhere to every specification with precision, ensuring a seamless and personalized solution.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, ensuring every detail is executed to perfection for a seamless and customized solution tailored for you.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is certainly feasible. Please notify us prior to the commencement of production and confirm the design based on the sample we provide. This guarantees your branding is represented with exceptional precision and excellence, perfectly capturing your identity.
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