Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves! These revolutionary engineering marvels are the epitome of hydraulic innovation, flawlessly integrating pressure, flow, and directional control into one seamless, harmonious masterpiece. This ensures unmatched performance and reliability in every application. Typically comprised of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously designed for seamless integration into high-end hydraulic systems, pivotal for top-tier engineering machinery. They precisely regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision and control. Key highlights include 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 unparalleled performance and versatility for any application.
The HLPSL valves are expertly crafted for constant displacement pump systems, guaranteeing steadfast and reliable operation in every environment. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. While the 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 groundbreaking engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering a flawless 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 steadfast reliability, this pump delivers continuous and unwavering performance, ensuring your system operates with unparalleled efficiency and fluidity.;
HLPSV: Variable Displacement Pump - Epitomizing flexibility and versatility, this pump offers exceptional adaptability to suit a myriad of operational needs with ease and precision.;
(2) Connection Block Ports P & R Specifications - Where precision meets steadfast reliability, forging a dependable operational framework that you can trust::
2-G3/8; Expertly crafted for compact efficiency, designed to support streamlined and seamless operational flows, ensuring continuity and consistency.
3-G1/2; Engineered for robustness and reliability, this design provides a sturdy foundation for maintaining your system's integrity at all times.;
4-G3/4; Featuring enhanced connectivity, this port offers superior control and facilitates seamless system integration.;
5, 55-G1; Equipped with superior flow rates, this port is ideal for high-demand applications, ensuring performance remains consistent and dependable.;
6-G1 1/4; Delivering unmatched performance, this port is designed to excel in demanding environments, tackling any challenge with effortless prowess.;
(3) Additional Components and Specifications - Taking system capabilities to unprecedented heights, pushing the boundaries of innovation and efficiency::
C,Standard Type - A reliable and trusted foundation, meticulously crafted to meet essential operational requirements with precision and reliability.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly enhancing the overall efficiency and responsiveness of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management to drive exceptional performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Providing bespoke pressure control solutions tailored to a diverse range of applications, ensuring seamless adaptability:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering tailored solutions to flawlessly meet your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Optimizing efficiency and control, enhancing the system's overall performance: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 - Presenting a marvel of modern engineering: the precision-engineered pressure limiting valve, designed specifically for secondary pressure (F50). This exceptional valve boasts a meticulously defined pressure value, embodying the pinnacle of safety and operational security. Experience enhanced reliability like never before, ensuring your operations remain secure and streamlined at all times.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the height of versatility with this adjustable tool, fine-tuned to pressure settings of 63, 120, 210, 280, 315, 350, and 400 bar. This component exemplifies adaptability, seamlessly fulfilling diverse hydraulic requirements. With the /NF configuration, revel in systems devoid of a pressure limiting valve, exquisitely crafted for HLPSV, offering extraordinary pressure control across a variety of applications.
(7) Product Series Classification - The Embodiment of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to the art of design, expertly crafted to meet diverse applications, ensuring a seamless match to your precise needs and specifications.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring auxiliary blocks or the intermediate transition block ZPL 5S(V)/H, this hydraulic control shut-off valve is ingeniously designed for impeccable integration and seamless operation.
(9)Directional valve block inflow controller options: Choose from a robust selection: 1, without inflow controller; 2, the standard inflow controller; 4, a sophisticated 3-way flow controller for both inlet and outlet, tailored meticulously for the N 3/3-way valve; 5, an advanced inflow controller; 8, pre-selectable options, all offering precision and exceptional efficiency, elevating your system's performance.
(10) Valve core function symbols: Uncover a diverse range of core functions: L, M, F, H, J, B, R, O, N, each intricately designed to satisfy specific functional requirements, ensuring optimal performance.
(11) Output flow code for ports A & B: Achieve peak efficiency with a variety of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for superior functionality and steadfast reliability.
(12) Secondary pressure limitation options: Select from: N, without pressure limiting protection; C, simultaneous pressure limitation at actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, guaranteeing unwavering system safety and integrity.
(13) Function ON/OFF and pressure outlet options: Customize your system with options like: N, no 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 precise and agile control.
(14) Operation modes: Choose from a spectrum of operation modes: A(1,2), manual operation with customizable long or short handle; E, electric proportional control; EA(1,2), a harmonious blend 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 precise and comprehensive control, ensuring unmatched performance.
(15) Ancillary block port sizes: Unlock a world of versatility with our expertly crafted options. Choose from /2 G3/8; /3 G1/2; /4 G3/4; /5 G1-each precision-engineered for seamless adaptability and flawless integration across a broad spectrum of systems.
(16) End plate options: Discover our meticulously crafted end plate solutions designed to enhance your system. E1 is your standard choice with an external discharge of pilot oil and an external oil return control port T; E2, similar to E1, includes an additional port Y, offering heightened flexibility; E3 features a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, ensuring superior performance.
E4, crafted akin to E1, integrates an internal discharge of pilot oil with a sealed port T, pushing innovation forward; E5 mirrors the adaptive features of E2, offering internal discharge for peak performance; E6 mirrors the sophisticated design of E3, providing advanced discharge control across all variants, representing the pinnacle of engineering excellence.
(17) Control voltage and anti-explosion cable options: Safeguard your operations with our carefully curated selection of secure and compatible control voltage options. Choose G12-12VDC, expertly crafted for safety and specialization in even the most demanding applications.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 become a shining 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 unparalleled expertise in the meticulous research, development, manufacturing, and sales of premium hydraulic components sets us apart from the competition. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, our unwavering dedication to technological advancement and superior quality is reinforced. This relentless commitment clearly establishes us as leaders in our domain, consistently pushing the boundaries of excellence.
Our flagship product, the enhanced Safety Atex Valve, epitomizes the pinnacle of advanced hydraulic system control. Masterfully engineered for construction machinery and heavy-duty equipment, this versatile component plays a critical role in 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 standards of excellence on the world stage.
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.
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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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