Introducing the groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a true marvel in hydraulic innovation. These revolutionary valves epitomize engineering excellence, seamlessly integrating pressure, flow, and directional control into a flawless masterpiece of technology. Engineered to deliver unmatched performance and reliability, these valves are essential for high-end hydraulic systems in top-tier engineering machinery. With their three key functional modules - connecting blocks, directional valves, and end plates - they govern the movement direction and speed of hydraulic cylinders, motors, and other actuators with impeccable precision and control. Key highlights include a compact structure, superior energy efficiency, and stepless speed control. Additionally, they empower multiple actuators to operate simultaneously under varying loads, providing unrivaled performance and versatility for any application.
The HLPSL valves are expertly designed for constant displacement pump systems, ensuring steadfast operation in every scenario. Conversely, the HLPSV valves are meticulously crafted for variable pump systems, offering a slightly slower response time but excelling in energy-saving performance. These valves are the ultimate choice for applications where efficiency is crucial. With their advanced engineering and energy-efficient design, HLPSV valves are the top solution for sophisticated hydraulic control needs, offering a perfect fusion 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 foundation of steadfast and reliable performance, ensuring your operations proceed with seamless efficiency and confidence.;
HLPSV: Variable Displacement Pump - Showcasing unmatched adaptability and flexibility, offering extraordinary versatility to meet a wide range of operational requirements.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring dependable and trustworthy operations::
2-G3/8; Crafted for compact efficiency, ensuring streamlined and seamless operational flows.
3-G1/2; Built for strength and reliability, providing a robust 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 choice is perfect for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Providing unmatched performance, designed to excel in demanding environments and overcome challenges effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights::
C,Standard Type - A reliable and trustworthy baseline, meticulously tailored to your essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, significantly enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to seamlessly meet your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and enhancing 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 sophisticated pressure limiting valve for secondary pressure (F50), this technology is imbued with a specified pressure value to provide unparalleled safety measures, making operations more secure and reliable than ever.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This state-of-the-art component offers adjustable settings ranging from 63 to 400 bar levels, representing the ultimate in versatility and precision. For a streamlined experience, /NF indicates no pressure limiting valve, crafted exclusively for HLPSV to guarantee optimal pressure control in diverse scenarios, making it an essential asset for your hydraulic system.
(7) Product Series Classification - Setting the Standard for Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is expertly engineered to meet the specific needs of every application, ensuring you receive a product that precisely aligns with your unique requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Including auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, designed for flawless integration and enhanced performance.
(9)Directional valve block inflow controller options: Choose from a range of options: 1, without 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; 8, with pre-selectable options, each ensuring unmatched precision and efficiency.
(10) Valve core function symbols: Discover a diverse selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet distinct functional needs.
(11) Output flow code for ports A & B: Elevate efficiency with maximum output flows available at 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, perfectly tailored for peak performance.
(12) Secondary pressure limitation options: Options include: 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 superior system safety and reliability.
(13) Function ON/OFF and pressure outlet options: Available customization options 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 crafted for precision control to meet your needs.
(14) Operation modes: Explore 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 (alignment of pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, crafted for comprehensive and versatile control.
(15) Ancillary block port sizes: Choose from a variety of versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, meticulously designed for seamless adaptability and compatibility.
(16) End Plate Options: Discover a spectrum of tailored end plate choices designed to meet diverse operational needs. Choose from: E1, the standard configuration, 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, offering greater versatility; E3, equipped with a 2-position 3-way magnetic ball valve to elevate system pressure to safety valve levels during power supply, ensuring superior safety and efficiency.
E4, mirroring E1 but with an internal discharge of pilot oil, sealing port T for enhanced operational integrity; E5, akin to E2, with the added benefit of internal discharge mechanisms; E6, offering the same advantages as E3, each variant is crafted to ensure sophisticated discharge control, optimizing performance and reliability.
(17) Control Voltage & Anti-Explosion Cable Options: Our selection provides robust safety and compatibility for specialized applications. Choose from configurations like G12-12VDC, assuring seamless integration into your systems.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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