Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, setting new standards in hydraulic technology. These extraordinary creations epitomize the zenith of engineering excellence, seamlessly integrating pressure, flow, and directional control into one cohesive and harmonious system. This ensures extraordinary performance and reliability across all applications. Comprising three fundamental modules - connecting blocks, directional valves, and end plates - these valves are intricately designed for easy incorporation into elite hydraulic systems, indispensable for high-caliber engineering machinery. They adeptly manage the direction and speed of hydraulic cylinders, motors, and other actuators with extraordinary precision and control. Key features include a compact structure, outstanding energy efficiency, and the capability for stepless speed control. Additionally, they empower multiple actuators to function concurrently under varying loads, delivering exceptional performance and adaptability for any application.
The HLPSL valves are meticulously customized for constant displacement pump systems, ensuring unwavering and dependable operation in every environment. Conversely, the HLPSV valves are expertly crafted for variable pump systems. Although HLPSV valves may exhibit a minor delay in response time, they excel in providing remarkable energy-saving performance, making them the ideal selection for scenarios where efficiency is of utmost importance. Through their state-of-the-art engineering and energy-efficient design, HLPSV valves distinguish themselves as the superior choice for sophisticated hydraulic control requirements, offering a perfect combination 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 - Discover the ultimate in safety and reliability with our precision-engineered pressure limiting valve for secondary pressure (F50). Set at a specific pressure value, this groundbreaking feature ensures that advanced security measures are seamlessly integrated into your operations, enhancing both safety and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Elevate your hydraulic system's performance with our versatile and precisely adjustable pressure limiting valve. Available in settings of 63, 120, 210, 280, 315, 350, and 400 bar, it exemplifies adaptability to meet every hydraulic requirement. Choose /NF for no pressure limiting valve, specifically designed for HLPSV, ensuring impeccable pressure management across multiple applications.
(7) Product Series Classification - The Pinnacle of Engineering Brilliance:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a technical marvel, carefully crafted to suit every application, guaranteeing a product that seamlessly aligns with your precise specifications.
(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, engineered for flawless and efficient integration.
(9)Directional valve block inflow controller options: Choose from an exceptional range: 1, without inflow controller; 2, standard inflow controller; 4, a sophisticated 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 crafted for precision and remarkable efficiency.
(10) Valve core function symbols: Explore an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to satisfy distinct functional requirements.
(11) Output flow code for ports A & B: Realize peak performance with our range of output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for unparalleled efficiency and dependability.
(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: Personalize your system 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 designed for precise control and superior functionality.
(14) Operation modes: Choose from a wide array of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a hybrid 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, engineered for comprehensive and precise control.
(15) Ancillary block port sizes: Explore our range of versatile port dimensions, expertly crafted for easy adaptation and seamless integration. Select from: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each engineered for optimal compatibility.
(16) End plate options: Uncover our bespoke end plate solutions that cater to your specific needs. E1, the standard choice, offers an external pilot oil discharge and an external oil return control port T. For enhanced functionality, E2 resembles E1 but adds an extra port Y. E3 is designed with a 2-position 3-way magnetic ball valve that boosts your system's pressure to safety valve levels upon activation.
E4 shares the core design of E1 but innovates with an internal pilot oil discharge and a sealed port T. E5, akin to E2, also integrates an internal discharge. E6 retains the elegance of E3's design, ensuring advanced discharge management in every variant.
(17) Control voltage and anti-explosion cable options: Select from our array of safe and compatible voltage controls, such as G12-12VDC, specially designed for secure and specialized performance in 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 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 flagship product, the enhanced Safety Atex Valve, showcases the pinnacle of advanced hydraulic system control-the esteemed load-sensitive proportional valve. Masterfully engineered for application in construction machinery and heavy-duty equipment, this versatile marvel is integral to high-stakes environments 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 resolutely commit 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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