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. This pump is engineered to deliver optimum stability and reliability, making it indispensable for seamless operations.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs. It adjusts seamlessly to ever-changing demands, providing tailored solutions for unique challenges.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations. Designed to cater to specific requirements, these ports guarantee exceptional accuracy and steadfast performance::
2-G3/8; Designed for compact efficiency, catering to streamlined and seamless operational flows. Its efficiency-driven design ensures smooth and effective function in limited spaces.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system. Its durability ensures long-lasting support, making it the backbone of stable operations.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration. This option enhances interaction between components, empowering superior system performance.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance. It supports high-efficiency environments, maintaining steady and powerful flow.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges. Its design is focused on exceeding expectations in demanding applications, delivering excellence.;
(3) Additional Components and Specifications - Lifting system capabilities to new heights. Our components redefine standards by elevating functionality and reliability::
C,Standard Type - A reliable and trustworthy baseline, tailored to your essential operational needs. This type sets a benchmark for quality and performance, aligning perfectly with core requirements.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency. It fine-tunes system operation for optimal performance, providing meticulous flow regulation.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability. It maintains ideal pressure levels, ensuring efficient circulation with unwavering dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for varied applications. Tailor-made to adapt to specific requirements, ensuring flawless integration: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. Each option is crafted to deliver precise pressure control, enhancing overall functionality.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting control. It simplifies operations, offering effortless management of system pressure dynamics: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; Each configuration is designed to optimize system functionality, providing the right solution for precise pressure adjustments.D/F - Equipped with a pressure limiting valve for secondary pressure (F50), this feature maintains a specified pressure value, ensuring that operations are conducted with unparalleled safety and precision.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the epitome of versatility and precision with adjustable settings ranging from 63 to 400 bar levels. For those who seek simplicity, /NF indicates no pressure limiting valve, engineered specifically for HLPSV. This feature guarantees optimal pressure control across diverse scenarios, rendering it an essential component for all your hydraulic needs.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted to cater to every application, ensuring you receive a product perfectly aligned with your specific requirements.
(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 seamless, smooth integration.
(9)Directional valve block inflow controller options: Choose from: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, ideal for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each ensuring exceptional precision and efficiency.
(10) Valve core function symbols: Explore a comprehensive range of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet unique functional requirements.
(11) Output flow code for ports A & B: Optimize efficiency with maximum output flows of 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, 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 measured in bar, ensuring robust system safety.
(13) Function ON/OFF and pressure outlet options: Customizable features 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 designed for precision control and reliability.
(14) Operation modes: A diverse range of operation modes are available: A(1,2), manual operation with a choice of 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), 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 versatile control.
(15) Ancillary block port sizes: Choose from a range of versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered for seamless adaptability and perfect integration.
(16) End plate options: Our tailored end plate choices offer you flexibility and efficiency, including: E1, the standard option, featuring external discharge of pilot oil and an external oil return control port T; E2, similar to E1 but enhanced with an additional port Y for increased versatility; and E3, equipped with a 2-position 3-way magnetic ball valve, designed to elevate system pressure to safety valve levels during power supply, ensuring heightened operational safety.
E4, mirroring E1 but with internal discharge of pilot oil and sealing port T for improved internal control; E5, akin to E2, also features internal discharge, optimizing the operational process; and E6, a variant of E3, guarantees sophisticated discharge control for precise system management, capitalizing on advanced discharge techniques.
(17) Control voltage and the length of anti-explosion type cable options: Choose from our expertly curated options such as G12-12VDC, designed for safety and compatibility with specialized applications, ensuring that your equipment operates efficiently and effectively under demanding conditions.G24-Our refined selection includes 24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G, providing robust solutions tailored to meet a variety of needs for advanced hydraulic systems.12bb621436
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. With our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise, we unwaveringly commit 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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