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, offering unwavering steadiness and consistency to ensure smooth operations and heightened system efficiency.;
HLPSV: Variable Displacement Pump - A model of flexibility and adaptability, providing remarkable versatility to meet diverse operational demands with ease.;
(2) Connection Block Ports P & R Specifications - Where precision intersects with reliability, establishing a robust operational framework::
2-G3/8; Compact and proficient, designed for seamless and efficient operational transitions.
3-G1/2; Built for durability and dependability, providing a sturdy foundation for system integrity.;
4-G3/4; Incorporates advanced connectivity, offering superior control and improved system integration.;
5, 55-G1; Ideal for high-demand scenarios, featuring superior flow rates for consistent and reliable applications.;
6-G1 1/4; Delivers unparalleled performance, expertly crafted to excel in challenging environments with ease.;
(3) Additional Components and Specifications - Pushing system performance to new heights::
C,Standard Type - A dependable and trusted platform, meticulously crafted to fulfill essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing system efficiency comprehensively.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, delivering unmatched performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering customized pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions to precisely meet your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Maximizing efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading the pump when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing it when unpowered;D/F - Introducing a state-of-the-art precision-engineered marvel: the pressure limiting valve for secondary pressure (F50). This innovation is defined by a specifically calibrated pressure value, epitomizing advanced safety measures. It optimizes operational security and reliability, setting new benchmarks in engineering excellence.
(6) Tool Adjustable Pressure Limiting Valve in Connection Block: Experience the zenith of versatility and precision with adjustable settings at bar levels of 63, 120, 210, 280, 315, 350, and 400. This component exemplifies adaptability, effortlessly meeting every hydraulic need. The /NF configuration offers systems without a pressure limiting valve, meticulously designed for HLPSV, providing unmatched pressure control across diverse applications.
(7) Product Series Classification - The Quintessence of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a paragon of design, crafted with precision to suit every application. With these offerings, you receive a product that aligns perfectly 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, a hydraulic control shut-off valve, expertly crafted for seamless and flawless integration.
(9)Directional valve block inflow controller options: Choose from a comprehensive array of options: 1, no inflow controller; 2, standard inflow controller; 4, 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 exemplary efficiency.
(10) Valve core function symbols: Explore a vast collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to meet specific functional demands.
(11) Output flow code for ports A & B: Achieve peak efficiency with maximum output flows available: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for supreme performance and dependability.
(12) Secondary pressure limitation options: Select 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: Customize your system with options like: N, no 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 a diverse range of operation modes: 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, designed for comprehensive and precise control.
(15) Ancillary block port sizes: Discover the epitome of versatility with our expertly engineered options, including: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each choice is meticulously crafted, ensuring seamless adaptability and flawless integration into a wide array of systems, making your operations as efficient as they are diverse.
(16) End plate options: Delve into our meticulously designed end plate solutions, where precision meets functionality: E1 stands as your standard choice, providing an external discharge of pilot oil and an external oil return control port T. E2, an enhancement of E1, introduces an additional port Y, offering greater flexibility for your needs. E3 takes innovation further with a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, ensuring robust and reliable performance.
E4, echoing the design of E1, integrates an internal discharge of pilot oil with a sealed port T, pushing the boundaries of innovation. E5 mirrors the exceptional features of E2, introducing internal discharge for peak performance. E6 reflects the sophisticated design of E3, ensuring advanced discharge control in every variant, providing you with a comprehensive suite of options each designed for excellence.
(17) Control voltage and anti-explosion cable options: Choose from our secure and compatible range, tailored for safety and specialization even in the most demanding applications: G12-12VDC, designed for ultimate safety and precision.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our establishment in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has stood as a beacon of innovation and excellence within the hydraulic industry. As an esteemed subsidiary of the prestigious China Baoan Group (stock code: 000009), we carry the proud distinction of a national high-tech enterprise. Our unmatched expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. We are honored to be recognized as a national 'specialized, refined, and innovative' small giant enterprise, underscoring our unwavering commitment to technological advancement and superior quality. This relentless dedication firmly positions us as leaders in our domain.
Our flagship product, the enhanced Safety Atex Valve, represents 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, significantly contributing to the localization of 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 remain steadfast in our commitment to providing exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new standards 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.
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