Step into a new epoch of hydraulic technology with our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These components transcend ordinary expectations by embodying a sophisticated fusion of engineering mastery and avant-garde hydraulic innovation. Seamlessly amalgamating pressure, flow, and directional control within a singular, integrated unit, our valves offer unparalleled performance and steadfast reliability for every application. Crafted with unrivaled precision, they encompass three essential functional modules-connecting blocks, directional valves, and end plates-meticulously designed for integration into elite hydraulic systems, indispensable for premium engineering machinery. These adept valves precisely regulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Distinguished features include a sleek, compact design, outstanding energy efficiency, and capabilities for stepless speed modulation. Furthermore, they enable multiple actuators to operate concurrently under varying loads, providing extraordinary performance and adaptability across diverse applications.
The HLPSL valves are expertly designed for constant displacement pump systems, ensuring steadfast and reliable operations in any scenario. Conversely, the HLPSV valves are meticulously engineered for variable pump systems. While they may exhibit a slightly slower response, HLPSV valves distinguish themselves with exceptional energy-saving capabilities, rendering them the quintessential choice when efficiency is of the essence. Marrying state-of-the-art engineering with an eco-conscious design, these valves emerge as the ultimate solution for sophisticated hydraulic control requirements, blending impeccable precision, reliability, and energy efficiency into one seamless package.
| 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 - Decode the excellence and power your operations with precision:
HLPSL: Constant Displacement Pump - This resilient titan of performance reliability provides unwavering, consistent delivery, ensuring seamless and effective operations across your entire system.;
HLPSV: Variable Displacement Pump - The quintessential model of versatility and adaptability, this pump offers unparalleled flexibility to meet a wide array of operational demands with exceptional ease.;
(2) Connection Block Ports P & R Specifications - Where precision engineering meets reliability to form an enduring operational framework::
2-G3/8; Designed with compact efficiency in mind, it ensures smooth and unhindered operational flows.
3-G1/2; Crafted for robust performance and dependability, providing a strong foundation for sustaining your system's integrity.;
4-G3/4; With state-of-the-art connectivity, it offers superior control and enhances system integration seamlessly.;
5, 55-G1; With outstanding flow rates, it's ideal for high-demand applications, delivering consistent and reliable outcomes.;
6-G1 1/4; Offering unmatched performance, this component is expertly crafted to excel in challenging environments, overcoming obstacles effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights of excellence::
C,Standard Type - A bastion of reliability, meticulously engineered to fulfill essential operational needs with precision.;
G,Throttle Valve (For HLPSL only) - Delivers precision control, significantly enhancing the system's overall efficiency.;
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 - Providing tailored pressure control solutions to meet diverse application needs with precision:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions that seamlessly align with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control with precision:C - Experience the reliability of our no magnetic ball valve; F - Elevate functionality with our normally open magnetic ball valve, designed to initiate pump pressurization when energized and ensure efficient unloading when unpowered; D - Discover the convenience of our normally closed magnetic ball valve, expertly crafted to facilitate pump unloading when powered and seamless pressurization when unpowered.D/F - Enhance your safety protocols with our precision-engineered pressure limiting valve, specifically designed for secondary pressure (F50). This cutting-edge feature ensures unparalleled safety standards, significantly augmenting both operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unlock groundbreaking versatility with precision, offering customizable pressure settings from 63 to 400 bar. This component epitomizes adaptability, fully supporting a wide range of hydraulic needs. For seamless configurations, /NF denotes no pressure limiting valve, carefully designed for HLPSV, enabling 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 stands as an engineering masterpiece, skillfully crafted to address diverse applications, offering you a product that perfectly aligns with your specific requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including finely engineered ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, precisely crafted for seamless integration and operation.
(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, specifically engineered for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each designed to deliver 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 precisely engineered to meet specific functional requirements with impeccable precision.
(11) Output flow code for ports A & B: Maximize operational efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly designed to deliver superior performance and unmatched 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, ensuring uncompromised system safety and integrity.
(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 meticulously engineered for precise control and optimal functionality.
(14) Operation modes: Explore an extensive and versatile range of operation modes: A(1,2), offering manual operation with the choice of a long or short handle; E, featuring electric proportional control for enhanced precision; EA(1,2), a unique blend of electric proportional control with manual operation; D, providing electric switching value control; DA(1,2), a synthesis of electric switching value control and manual operation; M, with manual friction positioning and a long handle for robust control; H, embodying pure hydraulic control by aligning pilot oil ports with ports A and B; F, offering pure hydraulic control with perpendicular pilot oil ports. Each mode is meticulously designed to deliver comprehensive and accurate control, tailored to meet your system's exact requirements.
(15) Ancillary block port sizes: Enhance your systems with our finely crafted port size solutions, engineered for perfect adaptability and seamless integration. Choose from our meticulously designed array: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option offers unparalleled flexibility and is precisely tailored to meet your specific requirements with outstanding efficiency and reliability.
(16) End plate options: Discover our exceptional range of precisely engineered end plate innovations. E1 sets a new benchmark, featuring external pilot oil discharge and an external oil return control port T. E2 elevates functionality with an additional port Y for enhanced capabilities. Experience the revolutionary innovation of E3, which incorporates a 2-position 3-way magnetic ball valve to elevate your system's pressure to top-tier safety valve levels when energized, ensuring superior performance and unmatched reliability.
E4 mirrors E1 with distinct internal pilot oil discharge and a sealed port T. E5 matches E2's excellence, now elevated with internal discharge capabilities. Embrace advanced technology with E6, echoing E3's forward-thinking design. Each variant ensures superior discharge control, allowing your system to operate with peak efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and reliability with our comprehensive array of expertly tailored solutions. Choose G12-12VDC for specialized applications requiring uncompromising safety and compatibility.G24: The ultimate choice for consistent performance and unwavering dependability, ensuring your system remains steadfast and reliable.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Enhance your strategic selection with these sophisticated options, engineered for peak efficiency and adaptability across a variety of demanding environments.12: Representing precision and reliability, expertly crafted for seamless integration into your systems, ensuring flawless functionality.bb621436: The epitome of excellence, setting a benchmark in our groundbreaking design, affirming our commitment to innovation and quality.
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 crucial period, we embark on comprehensive preparations and uphold the highest standards of quality control, ensuring each product reaches you in pristine condition. Our unwavering devotion to achieving your complete satisfaction with our impeccable delivery is our foremost commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer an exceptionally low minimum order quantity, providing you with the unique advantage of ordering as little as a single piece for sample verification. This flexibility empowers you to kickstart your projects effortlessly, catering precisely to your exclusive needs with utmost convenience and precision.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate your order by conveying your specific requirements or intended applications to us. We will then meticulously prepare a bespoke quote, tailored exclusively for your needs, either through your detailed inputs or our expert recommendations. Once the drawings are finalized and a deposit is made, we will formalize the order and commence production. We assure you that every specification will be met with precision, providing a seamless, customized solution that perfectly aligns with your vision.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 entirely possible. Please ensure that you formally notify us before production begins and confirm the design according to the sample we provide. This ensures your branding is represented with outstanding precision and excellence, perfectly embodying your identity.
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