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 - This is the keystone of reliability, meticulously crafted to deliver unwavering and consistent performance. It ensures that your system operates smoothly and efficiently, providing an unparalleled foundation for operational excellence.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, this pump serves as the epitome of flexibility. It seamlessly accommodates a broad spectrum of operational demands, offering extraordinary versatility for any application.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, forging a robust and trustworthy operational framework::
2-G3/8; Expertly crafted for compact proficiency, this port is designed to facilitate streamlined and seamless operational flows, maximizing efficiency.
3-G1/2; Engineered for exceptional robustness and reliability, providing a solid and dependable base to uphold your system's integrity.;
4-G3/4; Featuring state-of-the-art connectivity, this port offers superior control and enhanced system integration, elevating your operations to new heights.;
5, 55-G1; Equipped with outstanding flow rates, this port is ideal for high-demand applications, delivering consistent and reliable performance even under pressure.;
6-G1 1/4; Designed to deliver unmatched performance, this port excels in demanding environments, overcoming challenges effortlessly for optimal results.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights with meticulously designed elements::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements and ensure dependable performance.;
G,Throttle Valve (For HLPSL only) - Precision control at its finest, enhancing the overall efficiency and responsiveness of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Expertly maximizes flow management to drive unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions tailored for diverse applications, ensuring seamless integration:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Each option provides tailored solutions to seamlessly meet your specific operational demands with ease.
(5) 2/2-way Magnetic Ball Valve for System Unloading - A marvel of efficiency and control:C - No magnetic ball valve; F - A normally open magnetic ball valve, ingeniously pressurizes the pump when powered and unloads it when unpowered; D - A normally closed magnetic ball valve, precisely unloading the pump when powered and pressurizing it when unpowered, ensuring superior control and efficiency.D/F - Discover the groundbreaking precision of our pressure limiting valve, engineered for secondary pressure (F50) with an exact pressure value. This engineering marvel enhances advanced safety measures, optimizing operational security and reliability like never before. Experience the future of safety with this paramount innovation.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Reach the apex of versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component exemplifies adaptability, effortlessly meeting every hydraulic need. The /NF configuration offers systems without a pressure limiting valve, meticulously crafted for HLPSV, ensuring unmatched pressure control across diverse applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a masterclass in design, thoughtfully conceived to cater to every application, guaranteeing a product that aligns perfectly 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, expertly engineered for seamless and flawless integration.
(9)Directional valve block inflow controller options: Select from a comprehensive range: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for inlet and outlet, ideal for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and exceptional efficiency.
(10) Valve core function symbols: Explore an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to meet specific functional needs.
(11) Output flow code for ports A & B: Achieve peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for supreme performance and dependability.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring uncompromising 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 exceptional 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: Discover unparalleled versatility with our expertly crafted options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each option is meticulously engineered for seamless adaptability and flawless integration into a wide array of systems, ensuring that your operational needs are met with precision and excellence.
(16) End plate options: Dive into our meticulously designed end plate selections: E1, your standard option, provides an external discharge of pilot oil and includes an external oil return control port T; E2, enhancing E1, includes an additional port Y for increased flexibility; E3, equipped with a 2-position 3-way magnetic ball valve, elevates the system pressure to safety valve levels upon activation, ensuring robust performance and security.
E4, designed with similarity to E1, incorporates an innovative internal discharge of pilot oil with a sealed port T for enhanced efficiency; E5 mirrors E2, but with internal discharge to optimize performance; E6, reflecting the sophisticated design of E3, guarantees advanced discharge control, providing superior performance across all variants.
(17) Control voltage and anti-explosion cable options: Choose from our secure and compatible range of options, including G12-12VDC, crafted specifically for safety and specialized operation in the most demanding applications. Our selection ensures reliable performance under the most rigorous conditions.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 emerged as a beacon of innovation and excellence within the hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly uphold our identity as a national high-tech enterprise. Our unmatched expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Designated as a national 'specialized, refined, and innovative' small giant enterprise, we demonstrate unwavering dedication to technological advancement and superior quality. This relentless commitment clearly positions us as frontrunners in our domain.
Our flagship product, the enhanced Safety Atex Valve, stands as the pinnacle of advanced hydraulic system control. Masterfully crafted 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, significantly contributing to the localization of core hydraulic components for high-end mechanical equipment. Anchored by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we remain steadfast in our commitment to providing 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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