Discover the future of hydraulic technology with our innovative HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These state-of-the-art engineering marvels signify the apex of hydraulic advancement, seamlessly fusing pressure, flow, and directional control into a single, coherent entity. This ensures unmatched performance and dependability across all applications. These valves are typically assembled from three critical functional modules: connecting blocks, directional valves, and end plates, each intricately designed for integration into premium hydraulic systems essential for elite engineering machinery. They precisely manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision and command. Highlighted features include a compact design, exceptional energy efficiency, and the capability for infinite speed control. Moreover, they enable multiple actuators to function concurrently under varying loads, offering unparalleled performance and adaptability for any application, thus revolutionizing the hydraulic equipment landscape.
The HLPSL valves are meticulously customized for constant displacement pump systems, guaranteeing steadfast and reliable operation in every environment. In contrast, the HLPSV valves are expertly crafted for variable pump systems. Despite a slightly slower response time, HLPSV valves excel in remarkable energy-saving performance, making them the ideal choice for applications where efficiency is paramount. With their pioneering engineering and energy-conscious design, HLPSV valves emerge as the foremost solution for sophisticated hydraulic control needs, delivering an impeccable fusion of precision, dependability, and efficiency. Choose HLPSV for an unparalleled hydraulic experience where every detail is refined and every operation is optimized for excellence.
| 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 keystone of unwavering reliability, delivering consistent and steadfast performance to ensure smooth and efficient operations throughout your entire system.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, offering extraordinary flexibility to accommodate a wide range of operational requirements with finesse.;
(2) Connection Block Ports P & R Specifications - Precision intertwines with reliability, crafting a trustworthy operational framework::
2-G3/8; Crafted for compact proficiency, meticulously designed to support streamlined and seamless operational flows effortlessly.
3-G1/2; Engineered for robustness and reliability, providing a solid and enduring base for your system's integrity.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration, elevating system synergy.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance under pressure.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges with ease.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights and setting new industry benchmarks::
C,Standard Type - A reliable and trusted foundation, meticulously engineered to meet essential operational requirements, ensuring durability.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency and responsiveness of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications, tailored to meet specific needs: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 demands with precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and precision 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; Tailored to optimize operational efficiency dynamically.D/F - Our state-of-the-art pressure limiting valve, crafted with precision for secondary pressure applications (F50), guarantees a clearly defined pressure value. This revolutionary component enhances operational safety and reliability, setting a new standard in advanced safety measures.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in the versatility and unparalleled precision of adjustable settings ranging from 63 to 400 bar levels. This component exemplifies adaptability, addressing all hydraulic demands meticulously. For a streamlined setup, /NF denotes the absence of a pressure limiting valve, specifically crafted for HLPSV, ensuring impeccable pressure management across various applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Every series is a marvel, ingeniously crafted to suit each application, ensuring you receive a product that precisely meets your unique needs.
(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, expertly engineered for smooth and seamless integration.
(9)Directional valve block inflow controller options: Select from a range: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, tailor-made for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and exceptional efficiency.
(10) Valve core function symbols: Explore a vast array of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to meet specific functional demands.
(11) Output flow code for ports A & B: Attain peak efficiency with our available peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for superior performance and reliability.
(12) Secondary pressure limitation options: Choose 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 unwavering system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your experience with options like: 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 control and functionality.
(14) Operation modes: Choose from a variety of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a blend 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 precise control.
(15) Ancillary block port sizes: Select from adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, expertly engineered for seamless adaptability and integration.
(16) End plate options: Unlock unparalleled customization with our expertly designed end plate solutions. Choose E1, the standard with an external discharge of pilot oil and an external oil return control port T. Upgrade to E2, similar to E1, but enhanced with an additional port Y for added versatility. Opt for E3, featuring a 2-position 3-way magnetic ball valve, which elevates your system's pressure to safety valve levels when activated, ensuring optimal protection and performance.
E4, closely resembling E1, offers an innovative twist with an internal discharge of pilot oil and a sealed port T for a compact design. E5 mirrors the attributes of E2 but focuses on internal discharge for streamlined efficiency. E6, echoing the sophistication of E3, brings advanced discharge control to the forefront, offering a tailored solution for precise operational demands.
(17) Control voltage and anti-explosion cable options: Secure your system with our range of safe and compatible options, such as the G12-12VDC, meticulously tailored for demanding applications that require both safety and specialization.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 Enhanced Safety Valve Technology for Truck Crane Equipment with Enhanced Safety Features is our flagship product. The load-sensitive proportional valve is a testament to 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:Typically, the lead time for production spans approximately one month after payment is received. During this timeframe, we undertake meticulous preparations and uphold rigorous quality control processes, ensuring that each product is delivered to you in impeccable condition. Achieving your utmost satisfaction with our flawless delivery remains our primary commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer a remarkably low minimum order quantity, granting you the convenience of ordering as little as a single piece for sample verification. This flexibility allows you to initiate your projects with utmost ease and precision, effortlessly accommodating your exclusive requirements.
Question:3. How to proceed with an order for LED lights?
Answer: Begin the process by communicating your detailed requirements or intended applications to us. We will then craft a tailored quote specifically for you, either based on your unique needs or through our seasoned advice. Once the drawings are finalized and a deposit is made, we will formalize the order and initiate production. We promise adherence to every specification with precision, ensuring a seamless and bespoke solution just for you.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 feasible. Kindly ensure that you formally notify us prior to the commencement of production and confirm the design based on the sample we provide. This guarantees that your branding is represented with unparalleled precision and excellence, perfectly capturing your identity.
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