Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the pinnacle of hydraulic innovation, seamlessly uniting pressure, flow, and directional control into one harmonious masterpiece. This results in unparalleled performance and reliability across all applications. Typically constructed from three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for seamless integration into high-end hydraulic systems, crucial for top-tier engineering machinery. They expertly govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Additionally, 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. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in delivering outstanding 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 distinguish themselves 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, offering consistent and steadfast performance to guarantee smooth and efficient operations for your entire system.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a broad spectrum of operational requirements.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability converge to forge a dependable operational framework::
2-G3/8; Designed for compact proficiency, these ports support streamlined and seamless operational flows.
3-G1/2; Engineered for robustness and reliability, providing a foundational base for maintaining your system's integrity.;
4-G3/4; Featuring advanced connectivity, these ports offer superior control and enhance system integration.;
5, 55-G1; These ports are 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 handle challenges with ease.;
(3) Additional Components and Specifications - Elevate your system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously crafted to meet essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, elevating the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving exceptional performance and reliability.;
(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.
(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 - This state-of-the-art feature integrates a precision-engineered pressure limiting valve for secondary pressure (F50), defined with a specific pressure value. It ensures that advanced safety protocols are embedded into the system, thereby elevating operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unparalleled versatility and precision with adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component exemplifies adaptability, addressing all your hydraulic requirements. For optimized configurations, /NF represents no pressure limiting valve, meticulously crafted for HLPSV, ensuring seamless pressure management across multiple applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a triumph of design, expertly crafted to meet every application, guaranteeing a product that aligns perfectly 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; including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, crafted for flawless and seamless integration.
(9)Directional valve block inflow controller options: Select from a range: 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 providing precision and remarkable efficiency.
(10) Valve core function symbols: Explore a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill specific functional requirements.
(11) Output flow code for ports A & B: Achieve optimal efficiency with available peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for superior 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 unwavering system safety.
(13) Function ON/OFF and pressure outlet options: Personalize 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 engineered for precise control and functionality.
(14) Operation modes: Choose from diverse 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, designed for comprehensive and precise control.
(15) Ancillary block port sizes: Indulge in our meticulously crafted adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each size masterfully designed for flawless adaptability and seamless integration into your system, ensuring optimal performance and reliability.
(16) End plate options: Explore our collection of exquisitely tailored end plate solutions: E1, the quintessential choice, boasting an external discharge of pilot oil and an external oil return control port T; E2, closely similar to E1 yet enhanced with an additional port Y for expanded functionality; E3, which includes a 2-position 3-way magnetic ball valve, elevating your system's pressure to safety valve levels when activated, providing unparalleled control and precision.
E4, crafted similarly to E1, yet incorporates an innovative internal discharge of pilot oil with a securely sealed port T; E5, which mirrors the design of E2, also features internal discharge; E6 reflects the advanced engineering of E3, with each variant ensuring sophisticated discharge control and enhanced system efficiency.
(17) Control voltage and anti-explosion cable options: Select from a robust range of secure and compatible options such as G12-12VDC, each tailored meticulously for ultimate safety and specialization, empowering reliability in even the most demanding applications.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 propelled the hydraulic industry into a new era of 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, renowned for our cutting-edge achievements. Our expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components, each a testament to our commitment to advancement and quality. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering dedication to technological progress and superior standards. It is this relentless pursuit of excellence that positions us as frontrunners in our field.
Our enhanced Safety Atex Valve, the flagship product, the load-sensitive proportional valve, represents the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is vital in high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with 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.
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.
Question:2. Do you have any MOQ limit for LED light orders?
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.
Question:3. How to proceed with an order for LED lights?
Answer: Begin the process by communicating your detailed requirements or intended applications to us. We will then craft a tailored quote specifically for you, either based on your unique needs or through our seasoned advice. Once the drawings are finalized and a deposit is made, we will formalize the order and initiate production. We promise adherence to every specification with precision, ensuring a seamless and bespoke solution just for you.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, guaranteeing that every detail is executed to perfection for a seamless and tailored solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is certainly feasible. Kindly ensure that you formally notify us prior to the commencement of production and confirm the design based on the sample we provide. This guarantees that your branding is represented with unparalleled precision and excellence, perfectly capturing your identity.
){kind=link}