Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a testament to advanced hydraulic innovation. These revolutionary engineering feats epitomize the integration of pressure, flow, and directional control into one harmonious entity, ensuring unmatched performance and dependability across applications. Typically comprised of three essential functional modules-connecting blocks, directional valves, and end plates-these valves are designed with precision for inclusion in high-end hydraulic systems, indispensable for premier engineering machinery. They expertly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing meticulous precision and control. Key features include a compact structure, exceptional energy efficiency, and seamless stepless speed control. Additionally, they empower multiple actuators to operate concurrently under differing loads, offering unsurpassed performance and versatility for any application.
The HLPSL valves are meticulously crafted for constant displacement pump systems, ensuring steady and dependable operation in every environment. Conversely, the HLPSV valves are ingeniously designed for variable pump systems. Although HLPSV valves may exhibit a slightly slower response time, they excel in delivering outstanding energy-saving performance, making them the premier choice for applications where efficiency is critical. With their state-of-the-art engineering and energy-efficient design, HLPSV valves distinguish themselves as the leading solution for sophisticated hydraulic control needs, offering a seamless 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 - A cornerstone in hydraulic technology, delivering consistent and unwavering performance that keeps your operations running with seamless efficiency and reliability.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and flexibility, this valve offers unparalleled versatility to cater to a diverse array of operational needs with precision.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability in these ports, ensuring a high level of operational trustworthiness::
2-G3/8; Engineered for compact efficiency, these ports facilitate streamlined and seamless operational flows, optimizing your system's performance.
3-G1/2; Constructed for robustness and dependability, these ports provide a solid foundation for ensuring seamless integration within your hydraulic system.;
4-G3/4; Features advanced connectivity that delivers superior control, enhancing system integration and performance.;
5, 55-G1; Perfect for high-demand applications, this option offers a superior flow rate, ensuring dependable and consistent performance in challenging scenarios.;
6-G1 1/4; This port excels in providing unmatched performance, designed to overcome challenges and excel in the field.;
(3) Additional Components and Specifications - Lifting system capabilities to unprecedented heights::
C,Standard Type - A reliable baseline, meticulously tailored to meet your essential operational needs with trustworthiness.;
G,Throttle Valve (For HLPSL only) - Guarantees precision in control, significantly enhancing overall system efficiency through meticulous flow management.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability within your hydraulic system.;
(4) Pilot Oil Circuit Pressure Options - Offering a spectrum of customized pressure control solutions tailored for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored precisely to seamlessly meet your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevates system efficiency and control to remarkable levels:C - No magnetic ball valve; F - Normally open magnetic ball valve, energizes the pump when powered, unloads it when unpowered; D - Normally closed magnetic ball valve, unloads the pump when powered, energizes it when unpowered;D/F - Includes a pressure limiting valve for secondary pressure (F50) with a designated pressure value, ensuring advanced safety measures that secure operational integrity.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: With exceptional design flexibility, this valve offers adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. It stands as the ultimate example of versatility and precision engineering. For those preferring simplicity, /NF indicates no pressure limiting valve, specifically crafted for HLPSV. This feature guarantees optimal pressure control across diverse scenarios, proving itself indispensable for your hydraulic system needs.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously tailored to meet every application, ensuring that you receive a product specifically aligned with your exact 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, meticulously engineered for seamless integration and adaptability.
(9)Directional valve block inflow controller options: Select from a range of innovative options: 1, without inflow controller; 2, standard inflow controller; 4, a sophisticated 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 facilitating precision and efficiency.
(10) Valve core function symbols: Explore a comprehensive suite of core functions: L, M, F, H, J, B, R, O, N, each designed with meticulous attention to fulfill unique functional requirements with precision.
(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: Choose confidently between: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, measured in bar, ensuring robust system safety and reliability.
(13) Function ON/OFF and pressure outlet options: Discover customizable options including: 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 precision control and adaptability.
(14) Operation modes: Experience diverse operation modes such as: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a synthesis of electric proportional control and manual operation; D, electric switching value control; DA(1,2), a fusion of 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, crafted for comprehensive and dynamic control.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each engineered for seamless adaptability and integration.
(16) End plate options: Discover a world of tailored end plate choices designed to cater to your specific needs. Choose from: E1, the standard option, featuring an external discharge of pilot oil and external oil return control port T. E2, elevates E1 with the addition of port Y for enhanced utility. E3, integrates a cutting-edge 2-position 3-way magnetic ball valve, enhancing system pressure to safety valve levels during power supply for superior operational safety.
E4, expertly designed akin to E1, but offering internal discharge of pilot oil and sealing port T for seamless operation. E5, mirrors E2, and similarly boasts internal discharge capabilities. E6, reflects the innovation of E3, each option meticulously crafted to ensure sophisticated discharge control and optimal performance.
(17) Control voltage and anti-explosion type cable length options: Empower your applications with safety and compatibility by selecting from our robust options such as G12-12VDC, tailored for specialized applications demanding reliability and precision.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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