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 unwavering reliability, consistently delivering steadfast performance to guarantee smooth and efficient operations, making it an indispensable element of your system.;
HLPSV: Variable Displacement Pump - A beacon of versatility and adaptability, offering extraordinary flexibility to seamlessly accommodate a diverse range of operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability converge, crafting a robust and dependable operational framework::
2-G3/8; Expertly crafted for compact proficiency, designed to facilitate streamlined and seamless operational flows, ensuring optimal performance.
3-G1/2; Engineered with a focus on robustness and reliability, providing a solid foundation for maintaining your system's integrity.;
4-G3/4; Featuring cutting-edge connectivity, offering superior control and enhanced system integration for sophisticated operations.;
5, 55-G1; Equipped with superior flow rates, tailored for high-demand applications to ensure consistent, reliable performance.;
6-G1 1/4; Delivering unmatched performance, skillfully engineered to excel in demanding environments, effortlessly meeting challenges head-on.;
(3) Additional Components and Specifications - Elevating your system's capabilities to new, unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet all essential operational requirements with confidence.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, significantly enhancing the overall efficiency and performance of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability across the board.;
(4) Pilot Oil Circuit Pressure Options - Delivering bespoke pressure control solutions tailored for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing finely tuned solutions to seamlessly meet your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Amplifying efficiency and control in system operations: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; Offering precision control to optimize system efficiency.D/F - Introducing a state-of-the-art pressure limiting valve, finely engineered for secondary pressure (F50) with a meticulously set pressure value. This pioneering feature brings cutting-edge safety enhancements to the forefront, boosting operational security and ensuring unparalleled reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embark on a journey of versatility and precise engineering with our adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar thresholds. This remarkable component embodies adaptability, satisfying all hydraulic requisites effortlessly. For configurations that demand simplicity, /NF indicates an absence of a pressure limiting valve, masterfully crafted for HLPSV, guaranteeing impeccable pressure management across various applications.
(7) Product Series Classification - The Pinnacle of Engineering Prowess:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a paragon of design, tailored to fit every application seamlessly, ensuring a product that matches your specific requirements flawlessly.
(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, each precisely engineered for smooth and seamless integration.
(9)Directional valve block inflow controller options: Explore a spectrum: 1, without inflow controller; 2, standard inflow controller; 4, a cutting-edge 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, advanced inflow controller; 8, pre-selectable options, each delivering precision and exceptional efficiency.
(10) Valve core function symbols: Unveil a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill specific functional requirements.
(11) Output flow code for ports A & B: Attain peak operational efficiency with available top-tier output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for optimal performance and unwavering reliability.
(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 uncompromising system safety and integrity.
(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 advanced functionality.
(14) Operation modes: Choose from a diverse array 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 command.
(15) Ancillary block port sizes: Discover the versatility of our adaptable port options, meticulously crafted for seamless adaptability and effortless integration. Choose from: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each port is expertly engineered to offer maximum compatibility and flexibility for your specific requirements.
(16) End plate options: Unveil our exquisite range of end plate solutions, precisely tailored to meet diverse needs. E1, featuring standard external discharge of pilot oil and an external oil return control port T. E2 mirrors E1, enhanced with an additional port Y for added functionality. E3, crafted with a 2-position 3-way magnetic ball valve, elevates system pressure to safety valve levels when energized, ensuring superior safety and performance.
E4, ingeniously designed like E1, integrates an internal discharge of pilot oil with a sealed port T, setting new standards in internal efficiency. E5 mirrors E2 with internal discharge capabilities. E6 echoes the sophistication of E3, ensuring unparalleled discharge control and reliability across all variants.
(17) Control voltage and anti-explosion cable options: Select from a secure range of tailored options designed for the most demanding applications. Options include G12-12VDC, offering specialized safety solutions. Experience the highest standards of security and functionality tailored to your needs.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 been a beacon of innovation and excellence in the hydraulic industry. As a prestigious subsidiary of the distinguished China Baoan Group (stock code: 000009), we are proud to be recognized as a national high-tech enterprise, revered for our expertise 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 industry leaders, setting new standards with each pioneering achievement.
Our enhanced Safety Atex Valve, particularly the flagship load-sensitive proportional valve, exemplifies the pinnacle of advanced hydraulic system control. Skillfully engineered for construction machinery and heavy-duty equipment, this versatile component is crucial for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We pride ourselves on strategic collaborations with 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 delivering exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new standards of excellence across the globe.
Question:1. What about the lead time?
Answer:Our lead time for production is generally about one month following receipt of payment. During this period, we engage in thorough preparations and apply stringent quality control measures to ensure that each product reaches you in impeccable condition. Our unwavering dedication is to provide you with a flawless delivery, ensuring your complete satisfaction.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We are pleased to offer a very low minimum order quantity, allowing you to order as little as one piece for sample verification. This flexibility ensures that you can conveniently embark on your projects with ease and precision, perfectly accommodating your unique requirements.
Question:3. How to proceed with an order for LED lights?
Answer: Start by clearly communicating your specific requirements or intended applications to us. We will then prepare a customized quote tailored specifically for you, either based on your unique needs or with our expert recommendations. Once all drawings are finalized and a deposit is placed, we will formalize the order and commence production. We guarantee adherence to every specification with precision, delivering a seamless and customized solution just for you.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, ensuring that every detail is executed perfectly for a seamless and bespoke solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is indeed possible. Please be sure to officially notify us before production begins and confirm the design based on the sample we provide. This will ensure that your branding is represented with unparalleled precision and excellence, perfectly embodying your identity.
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