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 bedrock of steadfast and consistent performance, ensuring your operations run smoothly and efficiently at all times.;
HLPSV: Variable Displacement Pump - A symbol of adaptability and flexibility, offering unrivaled versatility to meet a wide array of operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, delivering trustworthy operations::
2-G3/8; Engineered for compact efficiency, fostering streamlined and seamless operational flows within your system.
3-G1/2; Constructed for robustness and reliability, providing a solid foundation that underpins your system.;
4-G3/4; Delivering advanced connectivity, which ensures superior control and enhances system integration.;
5, 55-G1; With an outstanding flow rate, this option is ideal for high-demand applications, guaranteeing consistent performance.;
6-G1 1/4; Providing unmatched performance, designed to excel and overcome challenges effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A steadfast and trustworthy baseline, tailored to fulfill your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Guarantees precise control, significantly enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management to drive superior performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering customizable pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering tailored solutions to seamlessly meet your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and enhancing control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes the pump when powered, unloads it when unpowered; D - Normally closed magnetic ball valve, unloads the pump when powered, pressurizes it when unpowered;D/F - Features a pressure limiting valve tailored for secondary pressure (F50) with a specific value, offering cutting-edge safety measures to safeguard operations effectively.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This component provides adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar, epitomizing flexibility and precision. For those inclined towards simplicity, /NF denotes the absence of a pressure limiting valve, crafted specifically for HLPSV. This feature ensures optimal pressure management in diverse scenarios, making it an essential component for your hydraulic systems.
(7) Product Series Classification - The Apex of Craftsmanship:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is expertly tailored to align with every application, guaranteeing that you receive a product that meticulously meets your specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Includes auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, designed for flawless integration.
(9)Directional valve block inflow controller options: Choose from: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, ideal for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each ensuring precision and efficiency.
(10) Valve core function symbols: Discover a comprehensive repertoire of core functions: L, M, F, H, J, B, R, O, N, each diligently engineered to meet unique functional requirements.
(11) Output flow code for ports A & B: Enhance efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, tailored for peak performance.
(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 robust system safety.
(13) Function ON/OFF and pressure outlet options: Customizable options include: 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 precision control.
(14) Operation modes: A variety of operation modes available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a fusion 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 control.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered for seamless adaptability.
(16) End plate options: Experience unparalleled customization with our tailored end plate selections. Choose from: E1, the standard choice, designed with external discharge of pilot oil and an external oil return control port T; E2, similar to E1, enhanced with an additional port Y for expanded functionality; E3, equipped with a 2-position 3-way magnetic ball valve, boosting system pressure to safety valve levels during power supply activation.
E4, akin to E1, features internal discharge of pilot oil, with sealing port T; E5 mirrors E2, also boasting internal discharge for optimized performance; E6 mirrors E3, each option meticulously crafted to ensure sophisticated discharge control, meeting the demands of advanced systems.
(17) Control voltage and anti-explosion cable length selections: Choose from our expertly engineered options like G12-12VDC, meticulously ensuring safety and seamless compatibility for your specialized applications, providing peace of mind and operational excellence.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 flagship product, the load-sensitive proportional valve, epitomizes the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and 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 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:The lead time for production is generally around one month after payment confirmation. During this crucial time, we meticulously prepare and enforce strict quality control protocols, ensuring each Advanced Control System with Load Sensitive Atex Valve Technology is delivered to you flawlessly. Your satisfaction through our outstanding delivery service remains our utmost commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We provide a remarkably low minimum order quantity, enabling the ease of ordering even a single unit for sample verification. This remarkable flexibility empowers you to embark on your projects effortlessly, fulfilling your unique demands with precision and without constraint.
Question:3. How to proceed with an order for LED lights?
Answer: Start by conveying your detailed requirements or application intentions to us. We will then design a personalized quote for you, either based on your instructions or with our specialized recommendations. After affirming the drawings and securing a deposit, we will finalize and initiate production. We guarantee meticulous adherence to every specification, providing a seamless and customized experience.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, you can certainly have your logo printed on the product. Just ensure to communicate your request to us formally before production commences and confirm the design with the sample provided. This process guarantees that your branding is presented with exceptional precision and unparalleled quality, perfectly embodying your brand identity.
){kind=link}