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 reliability, ensuring unwavering performance for smooth and efficient operations throughout your system.;
HLPSV: Variable Displacement Pump - Exemplifying ultimate adaptability, offering extraordinary flexibility to meet diverse operational requirements with ease.;
(2) Connection Block Ports P & R Specifications - Where precision aligns with reliability, creating a dependable framework for operations::
2-G3/8; Expertly crafted for compact efficiency, designed to facilitate streamlined and seamless operational flows.
3-G1/2; Engineered for durability and reliability, providing a robust foundation for system integrity.;
4-G3/4; Featuring cutting-edge connectivity, offering enhanced control and superior system integration.;
5, 55-G1; Equipped with optimal flow rates, ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in challenging environments with ease.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights::
C,Standard Type - A reliable and trusted foundation, meticulously crafted to meet essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management and drives unparalleled performance.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing customized solutions to meet your specific operational needs effortlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing control and efficiency:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes the pump when powered, unloads when unpowered; D - Normally closed magnetic ball valve, unloads the pump when powered, pressurizes when unpowered.D/F - Discover the pinnacle of modern engineering with our precision-crafted pressure limiting valve designed for secondary pressure (F50). This state-of-the-art innovation comes with a meticulously defined pressure value, ensuring that your safety protocols are elevated to unprecedented levels. Experience a new era of enhanced operational security and reliability with this engineering marvel.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Immerse yourself in the ultimate blend of versatility and precision, with adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This extraordinary component epitomizes adaptability, flawlessly meeting every hydraulic necessity. The /NF configuration offers a system elegantly crafted without a pressure limiting valve, exclusively designed for HLPSV, ensuring unmatched pressure control for an array of applications.
(7) Product Series Classification - The Apex of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterful design, expertly tailored to meet diverse applications, guaranteeing you a product that perfectly aligns with your unique specifications.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, skillfully designed for seamless and impeccable integration.
(9)Directional valve block inflow controller options: Choose from a diverse array: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, specially tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each providing precision and superior efficiency.
(10) Valve core function symbols: Explore a comprehensive suite of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements.
(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 top-tier performance and reliability.
(12) Secondary pressure limitation options: Opt for: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all meticulously measured in bar, ensuring unwavering system safety.
(13) Function ON/OFF and pressure outlet options: Customize your operation 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 meticulous control and functionality.
(14) Operation modes: Choose from an array 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, crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Discover the ultimate in adaptability and seamless system integration with our expertly engineered port size options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each meticulously crafted choice ensures flawless compatibility and versatile functionality across a multitude of systems.
(16) End plate options: Delve into our precision-engineered end plate solutions designed to meet your every need: E1, our standard, facilitates an external discharge of pilot oil paired with an external oil return control port T; E2 enhances E1's capabilities by adding an extra port Y for unmatched flexibility; E3 is sophisticatedly crafted with a 2-position 3-way magnetic ball valve, effortlessly elevating system pressure to the safety valve thresholds upon activation.
E4, innovatively mirroring E1, incorporates an internal discharge of pilot oil with a sealed port T for refined efficiency; E5 extends E2's attributes, offering internal discharge for peak performance; E6 echoes the advanced design of E3, ensuring superior discharge control and elevated functionality in every configuration.
(17) Control voltage and anti-explosion cable options: Choose from our secure and high-performance range of options, including G12-12VDC, meticulously designed to meet safety and specialization demands in the most challenging applications.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Born from a vision of innovation and excellence in the hydraulic industry, Jiangsu KM Hydraulic Control System Co., Ltd. has been illuminating the path of technological brilliance since 2009. As a prestigious arm of the China Baoan Group (stock code: 000009), our designation as a national high-tech enterprise speaks volumes about our commitment to quality and innovation. Our unrivaled expertise in the precise research, development, manufacturing, and sales of top-tier hydraulic components is a testament to our leadership in the field. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we are relentless in our pursuit of technological advancement and superior quality, firmly establishing ourselves as vanguards in our industry.
Introducing our crowning achievement, the advanced Safety Atex Valve-a pinnacle of hydraulic system control crafted for the most demanding construction machinery and heavy-duty equipment. This indispensable component plays a vital role in high-stakes scenarios, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are proud to collaborate strategically with numerous leading domestic manufacturers, fostering the localization of core hydraulic components for elite mechanical equipment. Guided by our core philosophy-'serving customers with technology, impressing them with our attitude, and retaining them with quality'-we remain steadfast in our pledge to deliver extraordinary products, services, and solutions. Our ambition is to ascend as a globally recognized supplier of premier hydraulic components, consistently setting 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?
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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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