Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels epitomize the pinnacle of hydraulic innovation, flawlessly merging pressure, flow, and directional control into a singular, harmonious masterpiece. This integration guarantees unmatched performance and reliability across vast applications. Expertly crafted with three essential functional modules - connecting blocks, directional valves, and end plates - these valves are designed for seamless integration into high-end hydraulic systems, pivotal for elite engineering machinery. They precisely control the movement direction and speed of hydraulic cylinders, motors, and other actuators, ensuring unparalleled precision and control. Key highlights include a compact structure, superior energy efficiency, and the ability for stepless speed control. Furthermore, they enable multiple actuators to operate simultaneously under various loads, providing unparalleled performance and versatility across any application.
The HLPSL valves are expertly configured for constant displacement pump systems, ensuring robust and reliable operation in every environment. Conversely, the HLPSV valves are masterfully designed for variable pump systems. While the HLPSV valves may feature 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 state-of-the-art engineering and energy-efficient design, HLPSV valves shine as the premier solution for sophisticated hydraulic control requirements, offering a perfect synergy 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 unwavering reliability, this pump delivers consistent and steadfast performance, ensuring seamless and efficient operations throughout your entire hydraulic system.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and multifunctionality, this pump offers extraordinary flexibility to accommodate a wide array of operational requirements with precision.;
(2) Connection Block Ports P & R Specifications - Where precision harmonizes with dependability, establishing a trusted operational framework::
2-G3/8; Expertly crafted for compact proficiency, these ports are designed to support streamlined and seamless operational flows with ease and efficiency.
3-G1/2; Engineered for exceptional robustness and unwavering reliability, offering a sturdy foundation for your system's overall integrity.;
4-G3/4; Featuring cutting-edge connectivity, these ports provide superior control and enhanced system integration to elevate your operations.;
5, 55-G1; Designed with superior flow capacities, these ports are ideal for high-demand applications, ensuring consistent and reliable performance at all times.;
6-G1 1/4; Offering unmatched performance, these ports are expertly designed to excel in challenging environments and tackle operational hurdles effortlessly.;
(3) Additional Components and Specifications - Elevate your system's capabilities to unparalleled heights with these premium components::
C,Standard Type - A dependable and trusted foundation, meticulously engineered to meet essential operational requirements with excellence.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, significantly enhancing the overall efficiency of your hydraulic system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management while driving unparalleled performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Providing bespoke pressure control solutions designed to cater to diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Custom-tailored solutions to seamlessly meet your specific operational demands with utmost precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Amplify efficiency and control with these premium options:C - No magnetic ball valve; F - Normally open magnetic ball valve, enhances pump pressurization when powered and ensures unloading when unpowered; D - Normally closed magnetic ball valve, facilitates pump unloading when powered and pressurizes it when unpowered;D/F - Introducing a state-of-the-art, precision-engineered marvel: the pressure limiting valve for secondary pressure (F50). This exceptional valve is set with a specifically defined pressure value, ensuring safety measures are advanced to new heights. The design guarantees operational security and enhances reliability like never before, making it an engineering masterpiece.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unparalleled versatility and precision with adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component represents the epitome of adaptability, seamlessly meeting every hydraulic requirement. Utilizing the /NF configuration, it provides systems without a pressure limiting valve, meticulously designed for HLPSV, offering unmatched pressure control across diverse applications.
(7) Product Series Classification - The Height of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to design mastery, expertly conceived for a wide range of applications, ensuring you receive a product that aligns perfectly 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 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: Choose from a variety of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and outstanding efficiency.
(10) Valve core function symbols: Explore an extensive range of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional demands.
(11) Output flow code for ports A & B: Reach peak efficiency with maximum output flows available: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for supreme performance and reliability.
(12) Secondary pressure limitation options: Select 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, guaranteeing uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Customize your experience with options such as: 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: Discover a variety of operation modes: 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), integrated 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, expertly crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Discover the epitome of adaptability with our meticulously designed options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each selection is crafted with precision, ensuring seamless integration and exceptional versatility across a multitude of systems, delivering the ultimate in hydraulic control solutions.
(16) End plate options: Immerse yourself in our carefully crafted end plate selections: E1, the quintessential choice, provides an external discharge of pilot oil and an external oil return control port T; E2, akin to E1, is enhanced with an additional port Y, offering unparalleled flexibility; E3 features a 2-position 3-way magnetic ball valve, capable of elevating system pressure to safety valve standards when activated for superior operational safety.
E4, echoing the design of E1, revolutionizes with an internal discharge of pilot oil coupled with a sealed port T; E5 mirrors E2's features but with internal discharge, optimizing performance to new heights; E6 embodies the sophisticated engineering of E3, offering advanced discharge control and ensuring unwavering reliability in all variants.
(17) Control voltage and anti-explosion cable options: Choose from our rigorously tested and secure range, including G12-12VDC, specifically engineered for safety and precision in the most challenging applications, ensuring unmatched compatibility and reliability.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 stood as a beacon of innovation and excellence within the hydraulic industry. As a prestigious subsidiary under the esteemed China Baoan Group (stock code: 000009), our identity as a national high-tech enterprise remains proudly upheld. Our unmatched expertise in the meticulous research, development, manufacturing, and sales of premium hydraulic components distinguishes us in the industry. Being designated as a national 'specialized, refined, and innovative' small giant enterprise reinforces our unwavering dedication to technological advancement and superior quality, positioning us as unequivocal leaders in our domain.
Our flagship product, the Enhanced Safety Atex Valve, represents the pinnacle of advanced hydraulic system control. Expertly designed for construction machinery and heavy-duty equipment, this versatile component is pivotal 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 significant role in 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 are steadfast in our commitment to providing exceptional products, services, and solutions. Our mission is to emerge as a globally trusted supplier of premier hydraulic components, setting new standards 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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