Experience the dawn of a new era in hydraulic technology with our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These components are more than just parts; they are a testament to the pinnacle of engineering excellence and pioneering hydraulic innovation. By harmoniously merging pressure, flow, and directional control into a single, unified unit, our valves provide extraordinary performance and steadfast reliability across all applications. Crafted with precision, they are composed of three essential functional modules - connecting blocks, directional valves, and end plates - meticulously engineered for integration into high-caliber hydraulic systems, indispensable for cutting-edge engineering machinery. These valves meticulously control the movement direction and velocity of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key features include a streamlined, compact design, exceptional energy efficiency, and the capacity for stepless speed modulation. Furthermore, they enable multiple actuators to function concurrently under diverse loads, offering unmatched performance and versatility across a wide range of applications.
The HLPSL valves are expertly designed for constant displacement pump systems, providing unwavering, dependable operations regardless of the situation. Conversely, the HLPSV valves are meticulously engineered for variable pump systems. Although they may have a slightly slower response time, HLPSV valves excel in their remarkable energy-saving attributes, making them the perfect choice when efficiency is the goal. These valves, with cutting-edge engineering and an environmentally conscious design, stand as the ultimate solution for sophisticated hydraulic control requirements, blending exceptional 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
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 - No magnetic ball valve; F - The normally open magnetic ball valve is ingeniously designed to empower pump pressurization when activated and enable unloading effortlessly when deactivated; D - The normally closed magnetic ball valve is crafted to simplify pump unloading upon activation and ensures pressurization when not in use;D/F - Elevate your safety standards with our pressure limiting valve, meticulously designed for secondary pressure (F50). This cutting-edge feature is a beacon of advanced safety protocols, significantly bolstering operational security and reliability, ensuring peace of mind for your hydraulic systems.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unleash unparalleled versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This adaptable component flawlessly caters to a wide array of hydraulic needs. For streamlined configurations, /NF signifies no pressure limiting valve, artfully customized for HLPSV, ensuring flawless pressure management across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence, showcasing unparalleled innovation:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to engineering brilliance, precisely crafted to accommodate diverse applications, offering a product that seamlessly aligns with your exacting 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, meticulously engineered for flawless integration and operation.
(9)Directional valve block inflow controller options: Choose from a wide-ranging selection: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, designed meticulously for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and extraordinary efficiency.
(10) Valve core function symbols: Discover an extensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to satisfy specific functional demands with accuracy.
(11) Output flow code for ports A & B: Achieve maximum efficiency with superior output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly designed to ensure unrivaled performance and dependability.
(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 peace of mind.
(13) Function ON/OFF and pressure outlet options: Customize your system with tailored options such as: 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 thoughtfully engineered for precision control and optimal functionality.
(14) Operation modes: Experience seamless versatility with a wide array of meticulously crafted operation modes: A(1,2) for manual control with optional long or short handles; E for electric proportional control; EA(1,2) for a fusion of electric proportional and manual controls; D for electric switching value control; DA(1,2) for an integration of electric switching and manual controls; M for manual friction positioning with a long handle; H for pure hydraulic control aligning pilot oil ports with A and B; F for pure hydraulic control featuring perpendicular pilot oil ports. Each mode is engineered for comprehensive precision and control.
(15) Ancillary block port sizes: Elevate your systems with our expertly engineered port size solutions, designed for seamless integration and adaptability. Choose from a refined array of sizes: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option provides unmatched flexibility and exceptional efficiency, precisely tailored to meet your specific needs.
(16) End plate options: Discover our extraordinary range of end plate innovations. E1 sets the benchmark with external pilot oil discharge and an external oil return control port T. E2 enhances functionality with an additional port Y. E3 introduces a 2-position 3-way magnetic ball valve, elevating your system's pressure to top safety valve levels when activated, ensuring superior performance and reliability.
E4, akin to E1, features an internal pilot oil discharge and a sealed port T. E5 mirrors E2's excellence with added internal discharge capabilities. E6 aligns with E3's forward-thinking design. Each variant guarantees superior discharge control, ensuring peak system efficiency and performance.
(17) Control voltage and anti-explosion cable options: Reinforce your system's safety and reliability with our comprehensive range of expertly tailored solutions. Choose G12-12VDC for specialized applications demanding unparalleled safety and compatibility.G24: Your ultimate choice for steadfast performance and unwavering dependability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Optimize your strategic selection with these options, engineered for peak efficiency and adaptability across a variety of challenging environments.12: Exemplifying precision and reliability, expertly tailored for flawless integration into your systems.bb621436: The hallmark of excellence, setting the benchmark in our pioneering 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.
Inquiries:1. What is the lead time for production?
Response:Typically, the production lead time spans approximately one month following receipt of payment. Within this crucial timeframe, we diligently engage in meticulous preparations, upholding the highest standards of quality control. Our products are delivered to you in impeccable condition, reflecting our unwavering commitment to your utmost satisfaction and ensuring that our delivery meets your expectations with excellence.
Inquiries:2. Is there a Minimum Order Quantity (MOQ) for LED light purchases?
Response: We are delighted to offer an exceptionally low MOQ, allowing you the unique opportunity to order as little as a single piece for sample evaluation. This flexibility enables you to initiate your projects effortlessly, catering precisely to your distinct requirements with the utmost convenience and accuracy.
Inquiries:3. What steps should I follow to place an order for LED lights?
Response: To begin your order process, please communicate your specific requirements or intended applications to us. We will then meticulously craft a bespoke quote tailored exclusively to your needs, based on your detailed inputs or our expert guidance. Once the drawings are finalized and a deposit is made, the order will be formalized, and production will commence. We guarantee that every specification will be executed with precision, ensuring a seamless, customized solution that aligns perfectly with your vision.Upon finalizing the drawings,and placing a deposit to finalize the order, we will organize production. We assure you that every detail will be executed to perfection, delivering a seamless and tailored solution.
Inquiries:4. Can I have my logo printed on the product?
Response: Absolutely, this is entirely feasible. Please ensure that you formally notify us prior to the commencement of production and confirm the design according to the sample we provide. This guarantees that your branding is represented with outstanding precision and excellence, perfectly encapsulating your identity with distinction.