Introducing an engineering marvel, our HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves symbolize the pinnacle of hydraulic innovation and precision. These valves are not merely components; they represent a harmonious blend of state-of-the-art technology and expert design, creating a seamless integration of pressure, flow, and directional control within a single, unified system. This ensures unparalleled performance and unmatched reliability every time. Consisting of three essential functional modules - connecting blocks, directional valves, and end plates - these components are crafted with meticulous attention to detail, designed to flawlessly integrate into top-tier hydraulic systems that are vital for high-end engineering machinery. They provide precise control over the movement direction and speed of hydraulic cylinders, motors, and other actuators, ensuring exceptional precision and control. Notable features include a sophisticated, compact design, superior energy efficiency, and the capability for smooth, stepless speed control. Additionally, they empower multiple actuators to operate simultaneously under varying load conditions, delivering exceptional performance and versatility across a wide range of applications.
HLPSL valves are expertly engineered for constant displacement pump systems, guaranteeing steadfast and reliable operation across all scenarios. Meanwhile, HLPSV valves, designed with finesse for variable pump systems, may exhibit a slightly slower response time but excel in exceptional energy-saving capabilities, distinguishing them as the ultimate choice when efficiency is paramount. With cutting-edge engineering and an emphasis on energy-efficient design, HLPSV valves emerge as the premier solution for sophisticated hydraulic control requirements, offering a flawless synergy of precision, reliability, 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 - No magnetic ball valve; F - Normally open magnetic ball valve, enabling pump pressurization when powered, and unloading when unpowered; D - Normally closed magnetic ball valve, facilitating pump unloading when powered, and pressurization when unpowered;D/F - Elevate your safety standards with our precision-engineered pressure limiting valve tailored for secondary pressure (F50). This cutting-edge feature ensures superior safety protocols, greatly boosting operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unprecedented versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component embodies adaptability, accommodating a wide array of hydraulic needs. For seamless configurations, /NF denotes no pressure limiting valve, precisely crafted for HLPSV, ensuring flawless pressure control 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 testament to engineering marvel, meticulously designed to cater to varied applications, offering a product that aligns perfectly with your specific needs.
(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, crafted with precision for seamless integration and performance.
(9)Directional valve block inflow controller options: Choose from a rich selection: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, designed specifically for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, all delivering precision and exceptional efficiency.
(10) Valve core function symbols: Explore a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional demands with precision.
(11) Output flow code for ports A & B: Achieve maximum efficiency with optimal output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, designed to ensure superior 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, guaranteeing uncompromised system safety.
(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 precisely engineered for optimal control and functionality.
(14) Operation modes: Choose from a comprehensive array of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), combining electric proportional control with manual operation; D, electric switching value control; DA(1,2), merging electric switching value control with manual operation; M, manual friction positioning with long handle; H, pure hydraulic control (aligning pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, all meticulously crafted for complete and precise control.
(15) Ancillary block port sizes: Experience the epitome of precision engineering with our meticulously designed port size selections. Seamlessly adaptable and expertly crafted, these options include: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each choice is tailored to deliver unmatched efficiency and flexibility, perfectly meeting your specific requirements.
(16) End plate options: Dive into our extraordinary portfolio of precision-engineered end plate solutions. E1 sets the standard with an external discharge of pilot oil and an external oil return control port T. Upgrade to E2 for an enriched experience, featuring an additional port Y. Discover the revolutionary E3, showcasing a 2-position 3-way magnetic ball valve that elevates your system's pressure to unparalleled safety valve standards when powered, ensuring exceptional performance and reliability.
E4, like E1, sets itself apart with an internal discharge of pilot oil and a sealed port T. E5 mirrors the excellence of E2, now enhanced with internal discharge capabilities. Embrace innovation with E6, mirroring E3's advanced design. Each variant guarantees superior discharge control, ensuring your system functions at peak efficiency and reliability.
(17) Control voltage and anti-explosion cable options: Enhance your system's safety and dependability with our extensive range of customized solutions. Select G12-12VDC for specialized applications requiring uncompromised safety and compatibility.G24: The ultimate choice for dependable performance and steadfast reliability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Optimize your strategic selections with these options, crafted for maximum efficiency and adaptability in various challenging environments.12: A hallmark of precision and dependability, designed for flawless integration into your systems.bb621436: The pinnacle of excellence, representing a benchmark in our cutting-edge design.
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.