Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize hydraulic innovation by seamlessly merging pressure, flow, and directional control into a singular, harmonious masterpiece. This ensures exceptional performance and reliability across every application. Typically composed of three essential functional modules-connecting blocks, directional valves, and end plates-these valves are meticulously engineered for integration into high-end hydraulic systems, which are vital for top-tier engineering machinery. They precisely manage 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. Furthermore, they empower multiple actuators to operate simultaneously under varying loads, ensuring unparalleled 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. While HLPSV valves may exhibit a slightly slower response time, they are unparalleled in delivering exceptional energy-saving performance, making them the ultimate choice for applications where efficiency is paramount. With their state-of-the-art 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.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations::
2-G3/8; Designed for compact efficiency, catering to streamlined and seamless operational flows.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges.;
(3) Additional Components and Specifications - Lifting system capabilities to new heights::
C,Standard Type - A reliable and trustworthy baseline, tailored to your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency.;
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 customized pressure control solutions for varied applications: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 seamlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting 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 pressure limiting valve for secondary pressure (F50) to achieve a specified pressure value, our system offers cutting-edge safety protocols to secure your operations with confidence.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the ultimate in versatility and precision with adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. For those who prefer simplicity, /NF represents no pressure limiting valve, crafted specifically for HLPSV. This feature is essential for ensuring optimal pressure control across diverse scenarios, making it a must-have for your hydraulic applications.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is intricately designed to cater to every application, ensuring that your specific needs are met with precision and quality.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; complemented by ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, ingeniously designed for 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, ideally suited for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, all designed to ensure precision and efficiency in your operations.
(10) Valve core function symbols: Discover an extensive range of core functions: L, M, F, H, J, B, R, O, N, each expertly designed to meet distinct functional needs.
(11) Output flow code for ports A & B: Achieve maximum efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, tailored to deliver optimal performance.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all in bar, to ensure robust system safety.
(13) Function ON/OFF and pressure outlet options: Personalize your selection with options such as: N, no 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 crafted for precision control.
(14) Operation modes: Explore a wide array of diverse operation modes available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a combination 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 (aligning pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, all designed for comprehensive control.
(15) Ancillary block port sizes: Choose from diverse options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, meticulously engineered for seamless adaptability.
(16) End Plate Options: Discover our expertly tailored end plate choices, designed for precise control: E1, the standard option, features an external discharge of pilot oil and an external oil return control port T. E2 enhances E1 with an additional port Y. E3 includes a 2-position 3-way magnetic ball valve, boosting system pressure to safety valve levels when powered, thus ensuring optimal safety.
E4 mirrors E1 and offers an internal discharge of pilot oil, sealing port T for added convenience. E5, like E2, provides the same internal discharge feature, while E6, akin to E3, guarantees sophisticated and controlled discharge management, elevating your operational efficiency.
(17) Control Voltage & Anti-Explosion Cable Options: Choose from a range of control voltages like G12-12VDC, crafted for guaranteed safety and perfect compatibility with specialized applications.G24 - A robust and reliable choice for varied operational needs.-24VDC; For explosion-proof applications, select G24Ex-3m-24VDC, G12Ex-3m-12VDC; Or opt for the G24MA-3m-24VDC for advanced control solutions.12 - Ensuring compact and efficient control solutions.bb621436
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 renowned China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise is deeply rooted in the comprehensive 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, consistently pushing the boundaries of technological advancement.
Our flagship product, the load-sensitive proportional valve, represents the zenith of cutting-edge hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is indispensable 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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