Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a true marvel in hydraulic innovation. These unparalleled engineering masterpieces seamlessly combine pressure, flow, and directional control into one cohesive unit, setting a new standard for performance and reliability in every scenario. Comprising three pivotal functional modules - connecting blocks, directional valves, and end plates - these valves are exquisitely designed for seamless integration into sophisticated hydraulic systems, essential for elite engineering machinery. They deftly manage the movement direction and velocity of hydraulic cylinders, motors, and other actuators, offering precision and control like never before. Standout features include a sleek, compact structure, exceptional energy efficiency, and the ability for stepless speed regulation. Additionally, they empower multiple actuators to function concurrently under diverse loads, providing unmatched performance and adaptability across any application.
The HLPSL valves are expertly crafted for systems with constant displacement pumps, providing unwavering and reliable operation across all environments. In contrast, the HLPSV valves are meticulously engineered for variable pump systems. While HLPSV valves may have a marginally slower response time, their remarkable energy-saving capabilities make them the preferred choice for applications prioritizing efficiency. With advanced engineering and an energy-efficient design, HLPSV valves emerge as the ultimate solution for sophisticated hydraulic control needs, offering an ideal 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 cornerstone of reliability, consistently delivering unwavering performance to guarantee seamless and efficient operations throughout your system's lifecycle.;
HLPSV: Variable Displacement Pump - Exemplifies adaptability and versatility, offering extraordinary flexibility to meet a wide array of operational needs with precision.;
(2) Connection Block Ports P & R Specifications - Precision harmonizes with reliability, establishing a trustworthy operational foundation::
2-G3/8; Designed for compact proficiency, ensuring streamlined and seamless operational flows for optimized performance.
3-G1/2; Built for robustness and dependability, furnishing a solid foundation for your system's integrity.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration for maximum efficiency.;
5, 55-G1; Engineered with superior flow rates, perfect for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unrivaled performance, expertly designed to excel in challenging environments with ease.;
(3) Additional Components and Specifications - Boosting system capabilities to new heights::
C,Standard Type - A dependable and trusted foundation, meticulously crafted to fulfill essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving exceptional performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Delivering customized 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 - Augmenting 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 - Featuring a meticulously engineered pressure limiting valve designed for secondary pressure (F50) with a precise pressure value, this state-of-the-art feature ensures robust safety measures are in place, enhancing not only operational security but also reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unleash the power of versatility and precision with settings adjustable to 63, 120, 210, 280, 315, 350, and 400 bar levels. This component is a true testament to adaptability, meeting all hydraulic needs with grace. For seamless configurations, /NF denotes the absence of a pressure limiting valve, specifically crafted for HLPSV, ensuring optimal pressure management across a wide array of applications.
(7) Product Series Classification - The Pinnacle of Engineering Brilliance:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a marvel, masterfully designed to suit any application, guaranteeing a product that aligns flawlessly with your unique needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Incorporating ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, precisely engineered for effortless and seamless integration.
(9)Directional valve block inflow controller options: Select from a distinguished range: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, specifically designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each ensuring precision and exceptional efficiency.
(10) Valve core function symbols: Explore an extensive range of core functions: L, M, F, H, J, B, R, O, N, each expertly crafted to fulfill specific functional requirements.
(11) Output flow code for ports A & B: Achieve peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for outstanding performance and reliability.
(12) Secondary pressure limitation options: Choose 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 unwavering system safety.
(13) Function ON/OFF and pressure outlet options: Customize 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 designed for precise control and superior 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 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 a 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: Select from a diverse array of adaptable options for your hydraulic needs: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each size is expertly crafted for seamless adaptability, ensuring perfect integration into your system for enhanced efficiency and performance.
(16) End plate options: Explore our expertly tailored end plate solutions, designed to meet your precise requirements. Option E1 serves as the standard, featuring an external discharge of pilot oil and an external oil return control port T for dependable operation. For added flexibility, E2 builds on E1 with an additional port Y. Elevate your system's functionality with E3, integrating a 2-position 3-way magnetic ball valve to boost system pressure to safety valve levels when powered.
Option E4 mirrors E1's design with an innovative twist, integrating an internal discharge of pilot oil with a sealed port T for enhanced control. E5 takes inspiration from E2, featuring internal discharge for improved efficiency. E6 reflects the sophistication of E3, ensuring advanced discharge control across all variants.
(17) Control voltage and anti-explosion cable options: Opt for secure and reliable choices like G12-12VDC, crafted for safety and specialization in the most demanding applications, ensuring your system's optimal performance and security.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 illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise lies 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 frontrunners in our field.
Our enhanced Safety Atex Valve, the flagship product, the load-sensitive proportional valve, epitomizes 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, 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 our commitment to delivering exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks 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 period, we engage in meticulous preparations and adhere to the strictest quality control protocols, ensuring that every product is delivered to you in pristine condition. Our unwavering dedication is to achieve your complete satisfaction through flawless delivery.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We are pleased to offer a remarkably low minimum order quantity, allowing you the convenience of ordering as little as a single piece for sample verification. This flexibility empowers you to initiate your projects seamlessly, accommodating your specific and unique requirements with ease.
Question:3. How to proceed with an order for LED lights?
Answer: To commence your order, please share your detailed requirements or intended applications. We will provide a tailored quote that is crafted specifically to meet your needs, whether through your precise specifications or our expert recommendations. Once drawings are finalized and a deposit is made, we formalize the order and commence production. We are committed to meeting every specification with exacting precision, ensuring a seamless, tailor-made solution for you.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, ensuring every detail is executed with perfection, delivering a seamless and bespoke solution.
Question:4. Is it OK to print my logo on the product?
Answer: Certainly, this is entirely possible. Please ensure that you inform us before production begins and confirm the design based on the sample we provide. This guarantees your branding is represented with exceptional precision and excellence, perfectly embodying your unique identity.
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