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 cornerstone of consistent and unwavering performance, ensuring your operations run smoothly and efficiently.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations::
2-G3/8; Designed for compact efficiency, catering to streamlined and seamless operational flows.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges.;
(3) Additional Components and Specifications - Lifting system capabilities to new heights::
C,Standard Type - A reliable and trustworthy baseline, tailored to your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to meet your specific operational needs seamlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting 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 - Equipped with a pressure limiting valve designed for secondary pressure (F50), ensuring a specific pressure value is met and providing unparalleled safety measures to secure seamless and efficient operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This exceptional component offers adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, representing the epitome of versatility and precision engineering. Alternatively, /NF indicates no pressure limiting valve, crafted specifically for HLPSV, ensuring optimal pressure control tailored to diverse scenarios, making it an essential asset for your hydraulic system needs.
(7) Product Series Classification - Embodying Ultimate Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted to match every unique application, guaranteeing a solution that precisely aligns with your specific performance and operational demands.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including supplementary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously engineered 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, all designed to ensure utmost precision and efficiency.
(10) Valve core function symbols: Discover an extensive range of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to address unique functional requirements and enhance overall system capabilities.
(11) Output flow code for ports A & B: Optimize efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each tailored to ensure optimal and reliable 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 precisely measured in bar, ensuring robust system safety.
(13) Function ON/OFF and pressure outlet options: Explore customizable options including: 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, all meticulously crafted for precision control.
(14) Operation modes: Available operation modes include: A(1,2), manual operation with a choice between 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, all designed for comprehensive and precise control.
(15) Ancillary block port sizes: Choose from a variety of versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each engineered for seamless adaptability and integration.
(16) End Plate Options: Experience unparalleled customization with our tailored end plate choices: E1 offers you the standard configuration with an external discharge of pilot oil and external oil return control port T. Upgrade to E2, which mirrors E1's features with the addition of a port Y for enhanced versatility. For those seeking precision and safety, E3 incorporates a 2-position 3-way magnetic ball valve, boosting system pressure to safety valve levels during power supply.
E4 provides a similar configuration to E1 but with an internal discharge of pilot oil, sealing port T for an extra layer of protection. E5 builds upon E2's foundation with internal discharge, while E6 echoes E3's sophisticated design, each ensuring precise, controlled discharge for your operational needs.
(17) Control Voltage and Anti-Explosion Cable Length Options: Choose from our robust selection of control voltage and cable length options, including G12-12VDC, engineered for safety and optimal compatibility with specialized applications.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has shone brilliantly in the hydraulic industry, delivering innovation and unmatched excellence. As a proud subsidiary of the prestigious China Baoan Group (stock code: 000009), we are a national high-tech enterprise of distinction, renowned for our cutting-edge research, meticulous development, and top-tier manufacturing and sales of superior hydraulic components. As a recognized national 'specialized, refined, and innovative' small giant enterprise, our steadfast commitment to technological advancement and superior quality sets us apart as leaders in our field.
Our premier offering, the load-sensitive proportional valve, represents the zenith of sophisticated hydraulic system control. Meticulously crafted for construction machinery and heavy-duty equipment, this indispensable component excels in critical applications like emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take great pride in our strategic partnerships with leading domestic manufacturers, playing a crucial role in advancing the localization of core hydraulic components for high-end machinery. Anchored by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are relentless in our pursuit to provide outstanding products, services, and solutions. Our mission is to emerge as a globally trusted supplier of premier hydraulic components, consistently setting new standards of excellence worldwide.
Question:1. What about the lead time?
Answer:The lead time for production is generally around one month after payment receipt. During this crucial period, we conduct detailed preparations and enforce rigorous quality control protocols to ensure every product is delivered to you in flawless condition. Your satisfaction with our timely and impeccable delivery remains our utmost priority.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer an exceptionally low minimum order quantity, granting you the freedom to order even a single piece for sample verification. This flexibility allows you to initiate projects smoothly and precisely, catering to your unique specifications effortlessly.
Question:3. How to proceed with an order for LED lights?
Answer: Begin the process by sharing your comprehensive requirements or intended applications with us. We will craft a bespoke quote tailored exclusively to your needs, based on your specifications or our professional recommendations. Following the confirmation of drawings and deposit placement, we will finalize and kickstart production. We guarantee strict adherence to every specification, ensuring a flawless and personalized 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 not only possible but encouraged. Kindly ensure you formally notify us before commencing production and approve the design based on the sample we provide. This meticulous process ensures your branding is displayed with exceptional precision and quality, perfectly embodying your identity.
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