Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations are at 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. 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. Additionally, they empower multiple actuators to operate simultaneously under varying loads, offering 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. 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 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 - Recognized as the cornerstone of unwavering reliability, this pump ensures a steady and efficient performance, seamlessly powering your system with consistency and robustness.;
HLPSV: Variable Displacement Pump - A beacon of adaptability and versatility, this pump stands out with its exceptional flexibility, expertly catering to a vast array of operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision aligns with reliability, crafting a steadfast operational framework that you can trust::
2-G3/8; Designed for compact efficiency, these ports support streamlined, seamless operations, ensuring optimal flow and performance.
3-G1/2; Engineered for strength and dependability, these ports provide a solid foundation to uphold your system's integrity and smooth functioning.;
4-G3/4; Featuring state-of-the-art connectivity, these ports offer superior control, enhancing system integration and performance.;
5, 55-G1; With exceptional flow rates, these ports are ideal for high-demand applications, ensuring consistent and reliable performance across the board.;
6-G1 1/4; Delivering unmatched performance, these ports are expertly crafted to excel in challenging environments, providing effortless operation under demanding conditions.;
(3) Additional Components and Specifications - Elevating your system to new heights with cutting-edge capabilities::
C,Standard Type - The reliable and trusted foundation, meticulously engineered to meet essential operational demands with precision and dependability.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly boosting the overall efficiency of your system and operations.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, delivering unparalleled performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Offering personalized pressure control solutions tailored to your diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); These solutions are crafted to seamlessly align with your specific operational requirements, ensuring precise and efficient control.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Revolutionizing efficiency and control for your system: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; Tailored to enhance your system's efficiency and control.D/F - Featuring a state-of-the-art pressure limiting valve precisely engineered for secondary pressure (F50) with a defined pressure value, this revolutionary feature guarantees heightened safety protocols to significantly boost operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unparalleled versatility and precision with adjustable settings ranging from 63 to 400 bar levels, including 120, 210, 280, 315, 350 bars. This component exemplifies adaptability, catering to all hydraulic demands. For streamlined setups, /NF option denotes no pressure limiting valve, meticulously crafted for HLPSV, ensuring flawless pressure management across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a marvel of engineering, designed to align perfectly with every application, ensuring a product that matches your exact specifications and needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly crafted for smooth and seamless integration.
(9)Directional valve block inflow controller options: Select from an array of choices: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, crafted for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and exceptional efficiency.
(10) Valve core function symbols: Explore an exhaustive range of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional demands.
(11) Output flow code for ports A & B: Attain peak efficiency with available output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for superior performance and reliability.
(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 with choices 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 designed for precise control and performance.
(14) Operation modes: Opt from a variety of operation modes: A(1,2), manual operation with optional handle length; E, electric proportional control; EA(1,2), a blend of electric proportional and manual operation; D, electric switching value control; DA(1,2), combined electric switching value 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: Select from a versatile array of adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each exquisitely crafted to offer seamless adaptability and integration, ensuring your system operates with unparalleled efficiency and precision.
(16) End plate options: Immerse yourself in our premium range of meticulously designed end plate solutions: E1, the classic choice, provides an external discharge of pilot oil with an external oil return control port T; E2, akin to E1, is enhanced with an additional port Y for increased flexibility; E3, distinguished by a 2-position 3-way magnetic ball valve, enhances system pressure to reach safety valve thresholds when activated, offering robustness and reliability.
E4, echoing the structure of E1, integrates an internal discharge of pilot oil with a sealed port T; E5 is identical to E2 with the added benefit of internal discharge; E6 mirrors the innovative design of E3, each variant guaranteeing superior discharge control for optimal system performance.
(17) Control voltage and anti-explosion cable options: Opt from our secure, specialized selection, including G12-12VDC, offering specialized safety and reliability for the most demanding applications, ensuring optimal performance in critical 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 enhanced Safety Atex Valve, the flagship product, alongside our load-sensitive proportional valve, represents the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is indispensable for high-stakes applications, including 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 are resolute in our commitment 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.
){kind=link}