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 - Your cornerstone of unwavering dependability, ensuring a seamless and consistent performance that keeps your operations running efficiently and effectively at all times.;
HLPSV: Variable Displacement Pump - The epitome of flexibility and innovation, providing you with remarkable adaptability to meet a diverse array of operational demands with ease.;
(2) Connection Block Ports P & R Specifications - Where precision meets robust reliability, creating a dependable framework for your operations::
2-G3/8; Expertly crafted for compact excellence, designed to maintain a streamlined and flawless operational flow.
3-G1/2; Built for strength and reliability, establishing a robust foundation that upholds your system's structural integrity.;
4-G3/4; Engineered for superior connectivity, providing unparalleled control and enhanced system integration capabilities.;
5, 55-G1; Designed with exceptional flow rates to support high-demand scenarios, ensuring consistent and reliable operational performance.;
6-G1 1/4; Offering unmatched performance, expertly crafted to excel in the most demanding environments and handle challenges effortlessly.;
(3) Additional Components and Specifications - Raising the bar for system capabilities to new and unprecedented levels::
C,Standard Type - A dependable and trusted foundation, meticulously engineered to meet essential operational criteria with precision.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, significantly boosting the overall efficiency and performance of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Elevates flow management, delivering unparalleled performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Providing customized pressure control solutions for a variety of applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering tailored solutions to flawlessly meet your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing operational efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, which pressurizes 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 precision-engineered pressure limiting valve for secondary pressure (F50) is equipped with a specifically defined pressure value. It is a marvel of engineering, designed to ensure that advanced safety measures are thoroughly enhanced, optimizing operational security and reliability like never before.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embrace the pinnacle of versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component symbolizes adaptability, meeting every hydraulic requirement seamlessly. With the /NF configuration, experience systems without a pressure limiting valve, meticulously crafted for HLPSV, delivering unparalleled pressure control across varied applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterclass in design, expertly conceived to suit every application, ensuring you receive a product perfectly aligned with your specific requirements.
(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, masterfully engineered for smooth and flawless integration.
(9)Directional valve block inflow controller options: Select from an array of options: 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 offering precision and exceptional efficiency.
(10) Valve core function symbols: Discover an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to fulfill 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, each crafted for supreme performance and dependability.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your experience 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: Select from a variety of 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, crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Discover unmatched versatility with our precision-engineered selection. Choose from: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each option is meticulously crafted to ensure seamless adaptability and flawless integration, enhancing the efficiency and compatibility within a wide array of systems.
(16) End plate options: Delve into our thoughtfully designed end plate solutions that cater to your every need. E1, the standard bearer, provides an external discharge of pilot oil and a convenient external oil return control port T. E2, mirroring E1 but with a strategic addition of port Y, offers enhanced flexibility. E3, equipped with a 2-position 3-way magnetic ball valve, elevates system pressure to safety valve standards when activated, ensuring optimal safety and performance.
E4, echoing the design principles of E1, innovatively incorporates an internal discharge of pilot oil complete with a sealed port T. E5 mirrors the robust features of E2 but includes internal discharge mechanisms for peak performance. E6 embodies the advanced design ethos of E3, providing superior discharge control across all variants, catering to demanding operational requirements.
(17) Control voltage and anti-explosion cable options: Choose from our secure, specialized range for demanding applications. Options like the G12-12VDC are expertly crafted for safety and precision, catering to the most challenging environments with unwavering 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 proudly stood as a beacon of innovation and excellence within the vibrant hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we uphold our identity as a national high-tech enterprise with immense pride. Our expertise in the meticulous research, development, manufacturing, and sales of premium hydraulic components is truly unparalleled. Being designated as a national 'specialized, refined, and innovative' small giant enterprise is a testament to our unwavering dedication to technological advancement and superior quality. This relentless dedication elegantly positions us as front-runners in our domain, continuously pushing the boundaries of what is possible.
Our flagship product, the enhanced Safety Atex Valve, epitomizes the zenith of advanced hydraulic system control. It is masterfully crafted for construction machinery and heavy-duty equipment, making this versatile component indispensable 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, contributing significantly to the localization of core hydraulic components for high-end mechanical equipment. Anchored 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 providing exceptional products, services, and solutions of the highest caliber. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, establishing new benchmarks of excellence on the world stage.
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.
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