Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a paradigm shift in hydraulic engineering that embodies the zenith of innovation. These exceptional creations integrate pressure, flow, and directional control into a single, cohesive marvel, ensuring extraordinary performance and reliability across all applications. Comprising three vital functional modules - connecting blocks, directional valves, and end plates - these meticulously engineered valves are designed for seamless integration into premium hydraulic systems pivotal for elite engineering machinery. They expertly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Distinguished by their compact architecture, outstanding energy efficiency, and seamless stepless speed control capabilities, these valves empower multiple actuators to function simultaneously under diverse loads, providing unprecedented performance and versatility for a wide range of applications.
The HLPSL valves are precisely customized for constant displacement pump systems, ensuring steadfast and reliable operation in any scenario. In contrast, the HLPSV valves are meticulously designed for variable pump systems, where their slightly slower response is offset by remarkable energy-saving capabilities, making them the ultimate choice for efficiency-centric applications. With state-of-the-art engineering and a focus on energy efficiency, HLPSV valves emerge as the preeminent solution for sophisticated hydraulic control needs, offering an impeccable 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 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 - Elevate your safety standards to unprecedented heights with our precision-engineered pressure limiting valve, meticulously designed for secondary pressure (F50). This state-of-the-art innovation ensures a new era of safety protocols, significantly enhancing operational security and reliability, offering peace of mind with every operation.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unparalleled versatility and precision with adjustable pressure settings ranging from 63 to 400 bar. This component is the epitome of adaptability, fully accommodating diverse hydraulic demands. Seamlessly configure your system with /NF indicating no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across a myriad of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Revel in the engineering marvel that is our product series, each expertly crafted to cater to a wide range of applications, providing you with solutions that align seamlessly with your precise needs and elevate your operational capabilities.
(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 with unmatched precision for seamless integration and outstanding operational efficiency.
(9)Directional valve block inflow controller options: Choose from an extensive array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, tailored specifically for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering unmatched precision and exceptional efficiency.
(10) Valve core function symbols: Explore our comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to fulfill specific functional requirements, ensuring optimal performance for every application.
(11) Output flow code for ports A & B: Maximize efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly designed to provide superior performance and reliability, ensuring your system operates at its peak potential.
(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 expertly measured in bar, ensuring uncompromised system safety and integrity.
(13) Function ON/OFF and pressure outlet options: Tailor your system with precision using 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 meticulously engineered for precise control and unrivaled functionality.
(14) Operation modes: Select from a diverse range of operation modes to suit your needs: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a fusion of electric proportional control and manual operation; D, electric switching value control; DA(1,2), combined 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, all meticulously crafted for comprehensive and precise control to meet the demands of any operation.
(15) Ancillary block port sizes: Immerse yourself in our exquisitely designed port size selections, meticulously crafted for seamless adaptability and flawless integration. Choose from our expertly engineered options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each offers unparalleled flexibility, tailored to meet your precise requirements, ensuring a perfect fit for your every need.
(16) End plate options: Discover our remarkable collection of expertly tailored end plate solutions. E1 offers a standard configuration with an external discharge for pilot oil and an external oil return control port T. E2 takes it further with an extra port Y for enhanced versatility. Experience the cutting-edge innovation of E3, featuring a 2-position 3-way magnetic ball valve that elevates system pressure to safety valve levels when powered, guaranteeing superior performance and reliability.
E4, designed in the spirit of E1, excels by incorporating an internal discharge of pilot oil with a meticulously sealed port T. E5 mirrors E2's capabilities, adding the internal discharge feature for heightened functionality. Unveil the sophistication of E6, echoing the advanced design of E3, each variant crafted to promise superior discharge control and optimal system performance.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and reliability with our bespoke solutions. Opt for G12-12VDC, engineered for specialized applications that demand uncompromising safety and seamless compatibility.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, 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.
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