Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations symbolize the apex of hydraulic innovation, brilliantly merging pressure, flow, and directional control into one exquisite, unified system. This synthesis ensures unmatched performance and dependability across every application. Typically crafted with three vital functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously designed for seamless integration into high-end hydraulic systems, indispensable for elite engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and mastery over control. Key highlights include a compact structure, superior energy efficiency, and the adaptability for stepless speed modulation. Beyond these features, they empower multiple actuators to operate simultaneously under diverse load conditions, delivering unparalleled versatility and top-notch performance for any application.
The HLPSL valves are meticulously tailored for constant displacement pump systems, ensuring steadfast and reliable function in every scenario. Conversely, the HLPSV valves are ingeniously engineered for variable pump systems, where efficiency is of the utmost importance. Although HLPSV valves exhibit a slightly slower response time, they excel in delivering outstanding energy-saving performance, marking them as the ultimate choice for efficiency-driven applications. With their cutting-edge design and emphasis on energy conservation, HLPSV valves emerge as the foremost solution for sophisticated 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 keystone of reliability, delivering consistent and steadfast performance to ensure smooth and efficient operations throughout your system.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework::
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency 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: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.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and 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 - Unveiling a marvel of modern engineering, this precision-crafted pressure limiting valve is a testament to advanced technology, meticulously designed to define and maintain the secondary pressure (F50) at an exact value. It enhances safety protocols to unprecedented levels, thereby ensuring operational security and reliability are optimized to their fullest potential.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the zenith of adaptability and precision with this adjustable component, offering settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This masterpiece embodies flexibility, seamlessly addressing every hydraulic need. The /NF configuration is thoughtfully engineered without a pressure limiting valve, specifically for HLPSV, delivering unmatched pressure control across a wide spectrum of applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to superior design, meticulously crafted to meet every application need, ensuring you acquire a product finely tuned to your particular requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Including expertly designed ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered for seamless and impeccable integration.
(9)Directional valve block inflow controller options: Explore a diverse selection: 1, without inflow controller; 2, standard inflow controller; 4, an innovative 3-way flow controller for both inlet and outlet, custom-tailored for the N 3/3-way valve; 5, an upgraded inflow controller; 8, pre-selectable options, each offering pinpoint accuracy and exceptional efficiency.
(10) Valve core function symbols: Immerse yourself in a vast array of core functions: L, M, F, H, J, B, R, O, N, each exquisitely crafted to meet specific functional requirements.
(11) Output flow code for ports A & B: Achieve ultimate efficiency with available peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for supreme performance and reliability.
(12) Secondary pressure limitation options: Select 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 uncompromised system safety.
(13) Function ON/OFF and pressure outlet options: Personalize your functionality 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 exacting control and functionality.
(14) Operation modes: Opt 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 fusion 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, designed for comprehensive and precise control.
(15) Ancillary block port sizes: Discover the ultimate in versatility with our expertly engineered selections: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each option is meticulously crafted to ensure seamless adaptability and flawless integration into a variety of systems.
(16) End plate options: Delve into our precisely designed end plate solutions: E1, the standard choice, provides an external discharge of pilot oil with an external oil return control port T; E2, expanding on E1, offers an additional port Y for enhanced flexibility; E3, showcasing a 2-position 3-way magnetic ball valve, elevates system pressure to safety valve levels when engaged, ensuring peak performance.
E4, crafted similarly to E1, innovatively includes an internal discharge of pilot oil with a sealed port T; E5 mirrors E2 with the added benefit of internal discharge for optimized performance; E6 mirrors the sophisticated design of E3, offering advanced discharge control across all variants, ensuring reliability in every application.
(17) Control voltage and anti-explosion cable options: Choose from our secure and perfectly compatible range, like G12-12VDC, specifically designed for safety and exceptional performance in the most challenging environments.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 synonymous with groundbreaking innovation and outstanding performance in the hydraulic industry. As a highly respected subsidiary of the reputable China Baoan Group (stock code: 000009), we proudly bear the title of a national high-tech enterprise. Our unparalleled expertise in the intricate processes of researching, developing, manufacturing, and selling top-tier hydraulic components is second to none. Being recognized as a national 'specialized, refined, and innovative' small giant enterprise underscores our steadfast commitment to pioneering technology and delivering unparalleled quality. This unwavering dedication distinctly establishes us as frontrunners in our field.
Our flagship product, the enhanced Safety Atex Valve, represents the pinnacle of sophisticated hydraulic system control. Expertly crafted for the rigorous demands of construction machinery and heavy-duty equipment, this adaptable component is essential for high-pressure applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take great pride in our strategic alliances with a multitude of top domestic manufacturers, playing an instrumental role in localizing core hydraulic components for premium mechanical equipment. Guided by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we remain resolute in our commitment to delivering outstanding products, services, and solutions. Our mission is to emerge as a globally trusted supplier of premier hydraulic components, continually setting new benchmarks of excellence across the world.
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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