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 integrating pressure, flow, and directional control into a singular, harmonious masterpiece. This design guarantees exceptional performance and unwavering 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, indispensable 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 include 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, offering 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. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. Although HLPSV valves may exhibit a slightly slower response time, they excel in providing 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 consistent and unwavering performance, ensuring operations that not only run smoothly but also excel in efficiency.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet an array of diverse operational needs with ease.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations that stand the test of time::
2-G3/8; Designed for compact efficiency, catering to streamlined and seamless operational flows, optimizing your system's overall performance.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system's operations.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration to maximize performance.;
5, 55-G1; With an exceptional flow rate, this option is perfect for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field by overcoming complex challenges with ease.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trustworthy baseline, tailored to satisfy your essential operational demands with precision.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency and performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering tailored pressure control solutions for varied applications, enabling seamless adaptation:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to meet your specific operational needs with precision and efficiency.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and enhancing control for optimal performance: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; Offering unparalleled operational flexibility.D/F - Equipped with a sophisticated pressure limiting valve for secondary pressure (F50), this system features a precisely defined pressure value, ensuring top-tier safety enhancements to secure and streamline operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This component is a paragon of versatility and precision, offering adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. For those favoring simplicity, /NF designates the absence of a pressure limiting valve, specifically crafted for HLPSV. This attribute ensures optimal control across diverse scenarios, making it a crucial element for your hydraulic requirements.
(7) Product Series Classification - Setting the Standard of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is precisely engineered to cater to every application, guaranteeing that you acquire 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; including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, designed for flawless integration.
(9)Directional valve block inflow controller options: Options include: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, perfect for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each designed to deliver precision and efficiency.
(10) Valve core function symbols: Discover an exceptional range of core functions: L, M, F, H, J, B, R, O, N, each crafted with care to meet distinct functional needs.
(11) Output flow code for ports A & B: Optimize efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each tailored for peak performance.
(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 meticulously measured in bar, ensuring steadfast system safety.
(13) Function ON/OFF and pressure outlet options: Customize with options: 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 devised for precision control.
(14) Operation modes: Experience diverse 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, engineered for comprehensive control.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, crafted for seamless adaptability.
(16) End plate options: Discover our customized end plate solutions, including: E1, a standard model featuring external discharge for pilot oil and an external oil return control port T; E2, designed like E1 but with an added port Y for enhanced functionality; E3, incorporating a 2-position 3-way magnetic ball valve, which boosts system pressure to safety valve levels when power is active.
E4, engineered to mirror E1 but with internal discharge of pilot oil and a sealed port T; E5, analogous to E2, yet equipped with internal discharge capabilities; E6, akin to E3, each offers advanced discharge control for seamless operations.
(17) Control voltage and anti-explosion type cable length options: Opt for configurations such as G12-12VDC, ensuring unmatched safety and compatibility with specific, demanding applications.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 luminous beacon of innovation and excellence within the hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly uphold our status as a distinguished national high-tech enterprise. Our domain of expertise encompasses the meticulous research, development, manufacturing, and sales of premium hydraulic components. Being designated as a national 'specialized, refined, and innovative' small giant enterprise underscores our commitment to technological progress and superior quality. This unwavering dedication firmly positions us as leaders in our field, driving advancements with relentless vigor.
Our flagship product, the load-sensitive proportional valve, stands as the epitome of advanced hydraulic system control technology. Masterfully engineered for construction machinery and heavy-duty equipment, this versatile component is indispensable in high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic partnerships with numerous leading domestic manufacturers, where we play 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 across the globe.
Question:1. What about the lead time?
Answer:The lead time for production is typically around one month following receipt of payment. During this period, we engage in detailed preparation and implement stringent quality control measures to ensure that every product reaches you in perfect condition. Your satisfaction with our impeccable delivery is our top priority.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer an impressively low minimum order quantity, allowing you the flexibility to order even a single piece for sample verification. This adaptability means you can start your projects with ease and precision, meeting your unique requirements without hassle.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate the process by sharing your detailed requirements or intended applications with us. We will then tailor a quote specifically for you, based on your needs or through our expert advice. Upon confirming the drawings and placing a deposit, we will finalize the order and commence production. We ensure every specification is adhered to with precision, offering you a seamless and 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: Absolutely, this is certainly possible. Please make sure to inform us formally before the production begins and confirm the design based on the sample we provide. This ensures that your branding is showcased with utmost precision and superior quality, reflecting your identity perfectly.
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