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 consistent and unwavering performance, ensuring your operations run smoothly and efficiently.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs with precision.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations::
2-G3/8; Engineered for compact efficiency, this specification caters to streamlined and seamless operational flows, optimizing your system's performance.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system's enduring success.;
4-G3/4; Offers advanced connectivity, delivering superior control and enhanced system integration, seamlessly connecting components.;
5, 55-G1; With a superior 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 and overcome challenges with ease and precision.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trustworthy baseline, tailored to your essential operational needs, ensuring peace of mind.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency and responsiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability with steadfast assurance.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailoring to meet your specific operational needs seamlessly and efficiently.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting control with state-of-the-art technology: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 - Comes with a pressure limiting valve for secondary pressure (F50) featuring a specified pressure value; Providing advanced safety measures to secure operations and enhance reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Dive into the pinnacle of engineering flexibility and accuracy with our adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component stands as a testament to the fusion of versatility and precision. Prefer simplicity? The /NF option is crafted for those who require no pressure limiting valve, specifically designed for HLPSV. This feature ensures unparalleled pressure control across a multitude of scenarios, making it an irreplaceable component for your diverse hydraulic applications.
(7) Product Series Classification - Experience the Zenith of Craftsmanship:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is expertly crafted to meet every application need, ensuring a perfect match for your specific requirements and delivering unmatched performance.
(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, meticulously engineered for flawless integration and performance excellence.
(9)Directional valve block inflow controller options: Discover the ultimate in control with these options: 1, no inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, ideal for the N 3/3-way valve; 5, reinforced inflow controller; and 8, pre-selectable options, each ensuring unmatched precision and efficiency tailored to your requirements.
(10) Valve core function symbols: Uncover a diverse selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet unique functional demands, providing comprehensive solutions for every need.
(11) Output flow code for ports A & B: Amplify your system's capability with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, engineered for peak performance and efficiency.
(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 precisely measured in bar to ensure outstanding system safety and reliability.
(13) Function ON/OFF and pressure outlet options: Tailored solutions include: 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 and reliable control.
(14) Operation modes: Embrace a variety of operation modes: A(1,2), manual operation with the option of a long or short handle; E, electric proportional control; EA(1,2), a hybrid of electric proportional control and manual operation; D, electric switching value control; DA(1,2), a combination of 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 intricate control solutions.
(15) Ancillary block port sizes: Choose from a range of adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, crafted for seamless adaptability and optimal functionality.
(16) End Plate Options: Discover our tailored end plate solutions designed to meet your specific needs. Choose from: E1, the standard option with external discharge of pilot oil and an external oil return control port T for seamless integration; E2, which offers all the benefits of E1 but with an added port Y, enhancing versatility; E3, featuring a 2-position 3-way magnetic ball valve that elevates system pressure to safety valve levels when power is supplied, ensuring superior operational safety.
E4, mimicking E1 but with an innovative internal discharge of pilot oil, sealing port T for heightened efficiency; E5, resembling E2, also with internal discharge capabilities; E6, comparable to E3, each providing advanced discharge control for a refined performance.
(17) Control Voltage Options & Anti-Explosion Cable Length Options: Opt for our carefully curated options like G12-12VDC, guaranteeing safety and flawless compatibility with your specialized 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 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 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: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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