Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels epitomize the zenith of hydraulic innovation, seamlessly merging pressure, flow, and directional control into a singular, harmonious masterpiece. This integration ensures unmatched performance and reliability across varied applications. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted to be integral components of high-end hydraulic systems, indispensable for top-tier engineering machinery. With these systems, they govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing precision and control that is second to none. Key features include a compact structure, superior energy efficiency, and the ability for stepless speed control. Moreover, these valves empower multiple actuators to function simultaneously under divergent loads, offering unrivaled performance and versatility tailored for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in providing exceptional energy-saving performance, establishing them as the ultimate choice for applications where efficiency is paramount. With state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control requirements, offering an impeccable fusion 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, delivering consistent and steadfast performance to ensure smooth and efficient operations throughout your system.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework::
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to seamlessly meet your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and 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 precision-engineered pressure limiting valve for secondary pressure (F50) with a defined pressure value, this cutting-edge feature ensures advanced safety measures are in place to enhance operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unparalleled versatility and precision with adjustable settings spanning 63 to 400 bar levels. This component epitomizes adaptability, perfectly addressing all hydraulic needs. For seamless configurations, /NF denotes no pressure limiting valve, expertly designed for HLPSV, ensuring flawless pressure management across diverse applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterpiece of design, expertly constructed to meet every application, guaranteeing a product that precisely aligns with your specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; along with ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, precisely engineered for smooth and seamless integration.
(9)Directional valve block inflow controller options: Choose from a variety of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and outstanding 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 demands.
(11) Output flow code for ports A & B: Achieve maximum efficiency with available peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for superior performance and reliability.
(12) Secondary pressure limitation options: Opt for: 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.
(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 spectrum 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), an integration of 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: Experience unparalleled versatility with our carefully engineered options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each selection is crafted for seamless integration and exceptional adaptability, ensuring your system's performance is as agile and precise as your operational demands.
(16) End plate options: Elevate your hydraulic system with our meticulously designed end plate solutions: E1, our standard, boasts an external discharge of pilot oil and an external oil return control port T. E2 builds on E1 with an added port Y for enhanced functionality. E3 includes a sophisticated 2-position 3-way magnetic ball valve, enabling your system to achieve safety valve pressure levels when engaged.
E4 shares the foundational excellence of E1 but offers an innovative approach with an internal discharge of pilot oil and a sealed port T. E5 follows E2's footsteps with an internal discharge feature. For those seeking advanced control, E6 mirrors E3's precision, each variant guaranteeing superior discharge management.
(17) Control voltage and anti-explosion cable options: Secure your operations with our specialized voltage options, including G12-12VDC, designed for utmost safety and performance in the most demanding environments.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 excellence and innovation in the hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we are proud to be recognized as a national high-tech enterprise. Our expertise encompasses the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed status as a national 'specialized, refined, and innovative' small giant enterprise highlights our unwavering dedication to technological advancement and superior quality. This steadfast commitment positions us as leaders in our field, consistently driving progress and setting industry standards.
Our flagship product, the enhanced Safety Atex Valve, represents the pinnacle of advanced hydraulic system control. This load-sensitive proportional valve is expertly engineered for construction machinery and heavy-duty equipment. It plays a critical role in high-stakes applications, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are proud of our strategic partnerships with leading domestic manufacturers, which are pivotal in localizing core hydraulic components for high-end mechanical equipment. Driven 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 delivering exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, establishing new benchmarks of excellence worldwide.
Question:1. What about the lead time?
Answer:We pride ourselves on a lead time that typically spans about one month post-payment. During this period, we engage in thorough preparations and enforce stringent quality control measures to ensure each product reaches you in pristine condition. Delivering flawless products for your absolute satisfaction is our top priority.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: Experience unparalleled flexibility with our impressively low minimum order quantity, allowing you to request as little as a single piece for sample evaluation. This empowers you to commence your ventures seamlessly, meeting your exact needs without compromise.
Question:3. How to proceed with an order for LED lights?
Answer: Start by conveying your specific requirements or application ideas to us. We'll then provide a custom-tailored quote that caters to your needs, guided by expert advice. Once designs are approved and a deposit is placed, we formalize the order and set production in motion, adhering meticulously to every specification to deliver a seamless, customized solution.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: Certainly, this is most feasible. Please ensure you notify us before production begins and approve the design based on the provided sample. This ensures your branding is showcased with exceptional precision and distinction, accurately reflecting your unique identity.
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