Introducing the dawn of a groundbreaking era in hydraulic solutions with our cutting-edge HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not merely components; they represent the pinnacle of engineering brilliance and the height of innovative hydraulic technology. Effortlessly integrating pressure, flow, and directional control into a single, harmonious unit, these valves promise unrivaled performance and reliability in all applications. Composed of three fundamental functional modules - connecting blocks, directional valves, and end plates - these valves are engineered to perfection for incorporation into elite hydraulic systems, which are absolutely essential for premier engineering machinery. They flawlessly regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Standout features include a sleek, compact design, superior energy efficiency, and the ability for stepless speed control. Moreover, they enable multiple actuators to operate simultaneously under diverse loads, offering unparalleled performance and versatility for any application.
The HLPSL valves are meticulously crafted for constant displacement pump systems, ensuring steadfast and reliable operation in every scenario. On the other hand, the HLPSV valves are brilliantly engineered for variable pump systems. Although HLPSV valves may exhibit a slightly slower response time, their extraordinary energy-saving performance distinguishes them as the ultimate choice when efficiency is paramount. With cutting-edge engineering and an energy-efficient design, HLPSV valves ascend as the premier solution for advanced hydraulic control needs, offering a flawless blend of precision, dependability, and energy 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 - This steadfast cornerstone of dependability delivers unwavering and consistent performance, ensuring seamless and efficient operations throughout your system.;
HLPSV: Variable Displacement Pump - The epitome of versatility and adaptability, this pump offers exceptional flexibility to cater to a wide spectrum of operational requisites.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability converge to create a steadfast operational framework::
2-G3/8; Crafted for compact efficiency, it is designed to support smooth and uninterrupted operational flows.
3-G1/2; Engineered for robust performance and dependability, offering a solid foundation for your system's integrity.;
4-G3/4; Featuring cutting-edge connectivity, this offers superior control and enhances system integration.;
5, 55-G1; With superior flow rates, it's perfect for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering peerless performance, this component is expertly designed to thrive in challenging environments and tackle obstacles seamlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unparalleled heights::
C,Standard Type - A foundation of reliability, meticulously crafted to meet essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, thereby enhancing the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unmatched performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering bespoke pressure control solutions tailored for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering customized solutions to seamlessly align with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control:C - Introducing our innovative no magnetic ball valve; F - Normally open magnetic ball valve: Enhance your hydraulic system with this cutting-edge design that enables pump pressurization when powered and ensures unloading when unpowered; D - Normally closed magnetic ball valve: This component is crucial for facilitating pump unloading when powered and pressurization when unpowered, offering unmatched efficiency and reliability.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, meticulously designed for secondary pressure (F50). This state-of-the-art feature guarantees advanced safety protocols, significantly enhancing operational security, reliability, and peace of mind in your hydraulic systems.
(6) Tool Adjustable Pressure Limiting Valve in Connection Block: Experience unparalleled versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This innovative component exemplifies adaptability, perfectly accommodating a diverse array of hydraulic requirements. For seamless configurations, /NF indicates no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across a wide spectrum of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence: Discover a series of engineering masterpieces expertly crafted to meet diverse applications, providing you with products that align seamlessly with your precise needs.;-2 2 Series; -3 3 Series; -5 5 Series: Each series is an engineering marvel, conceived with precision to cater to various applications, offering a product that aligns effortlessly with your specific requirements and expectations.
(8)Thread size of directional spool valve ports A & B: Experience unmatched precision with our meticulously engineered thread sizes:2-G3/8; 3-G1/2; 4-G3/4; 5-G1: Complete with ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, this superior engineering ensures seamless integration and operation.
(9)Directional valve block inflow controller options: Take advantage of our diverse array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, specifically designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options. Each option delivers precision engineering and exceptional efficiency tailored to your unique hydraulic needs.
(10) Valve core function symbols: Discover a comprehensive suite of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill specific functional requirements and ensure superior performance.
(11) Output flow code for ports A & B: Maximize system efficiency with our peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each is expertly crafted to provide superior performance and reliability for your hydraulic system.
(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 carefully measured in bar to ensure uncompromised system safety and reliability.
(13) Function ON/OFF and pressure outlet options: Tailor your system 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 option is meticulously engineered to offer precise control and functionality, enhancing your hydraulic system's performance.
(14) Operation modes: Immerse yourself in a vast selection of operation modes, meticulously designed for adaptability and precision. Choose from an array of sophisticated options: A(1,2) for manual control with optional long or short handles; E for electric proportional control; EA(1,2) blending electric proportional and manual operations; D for electric switching value control; DA(1,2) combining electric switching and manual operations; M offering manual friction positioning with an elongated handle; H providing pure hydraulic control with pilot oil ports aligned with oil ports A and B; and F delivering pure hydraulic control with perpendicular pilot oil ports. Each mode is crafted to deliver comprehensive, precise control, elevating your operational capabilities.
(15) Ancillary block port sizes: Experience the epitome of precision with our expertly curated port size selections, crafted for remarkable adaptability and seamless integration into your systems. Our range includes options such as: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each is designed to offer unmatched flexibility and efficiency, perfectly tailored to fulfill your exact specifications and enhance your system's performance.
(16) End plate options: Dive deep into our exceptional array of bespoke end plate solutions. The E1 model serves as the standard, featuring an external discharge of pilot oil and an external oil return control port T. Upgrade to the E2 model for an enriched experience with an additional port Y. Explore the innovative E3, incorporating a 2-position 3-way magnetic ball valve, elevating your system's pressure to optimal safety valve standards when energized, ensuring unparalleled reliability and performance.
E4 variant, similar to E1, features an internal discharge of pilot oil and a sealed port T, providing efficient control. E5 mirrors E2's excellence with added internal discharge capabilities. Embrace the advanced design of E6, reflecting the sophisticated engineering of E3. Each variant guarantees superior discharge management, assuring peak efficiency and performance in your systems.
(17) Control voltage and anti-explosion cable options: Enhance the safety and reliability of your system with our comprehensive suite of tailored solutions. Choose G12-12VDC for specialized applications requiring uncompromised safety and compatibility, ensuring your operations remain secure and dependable.G24: Select this for robust performance and steadfast reliability, ensuring your systems operate with consistent excellence.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Opt for these strategically designed options to enhance efficiency and adaptability across a variety of demanding operational environments.12: This emblem of precision and reliability is designed for seamless integration into your systems, ensuring flawless performance.bb621436: Representing a pinnacle of excellence, this code is a testament to our innovative design standards.
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, embodies the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is vital 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 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}