Witness the dawn of a revolutionary era in hydraulic technology with our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not just mere components; they are a masterful blend of engineering excellence and cutting-edge hydraulic innovation. By seamlessly integrating pressure, flow, and directional control into a singular, cohesive unit, our valves deliver exceptional performance and unwavering reliability in every application. Crafted with unmatched precision, they consist of three integral functional modules-connecting blocks, directional valves, and end plates-meticulously designed for integration into top-tier hydraulic systems, essential for premier engineering machinery. These valves precisely regulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, offering unrivaled precision and control. Standout features include a sleek, compact design, superior energy efficiency, and the capability for stepless speed modulation. Moreover, they allow multiple actuators to operate simultaneously under varying loads, providing unparalleled performance and versatility across diverse applications.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast, reliable operations in any given scenario. In contrast, the HLPSV valves are meticulously crafted for variable pump systems. Despite having a slightly slower response, HLPSV valves distinguish themselves with exceptional energy-saving capabilities, making them the ideal choice when efficiency is of utmost importance. These valves, embodying state-of-the-art engineering and an eco-conscious design, emerge as the ultimate solution for sophisticated hydraulic control needs. They combine impeccable precision, unyielding reliability, and remarkable 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 - Experience unparalleled performance and unwavering reliability with this robust powerhouse. It ensures consistent and efficient system operations, keeping your workflow seamless and effective at all times.;
HLPSV: Variable Displacement Pump - The epitome of adaptability, this versatile pump offers unmatched flexibility to cater to a vast array of operational needs, providing ease and precision like never before.;
(2) Connection Block Ports P & R Specifications - Meticulously engineered for precision and reliability, creating a robust operational framework::
2-G3/8; Engineered for compact efficiency, it guarantees smooth, uninterrupted operational flows, ensuring optimal performance.
3-G1/2; Crafted for durability and strength, providing a reliable foundation that upholds the integrity of your system effortlessly.;
4-G3/4; Featuring cutting-edge connectivity, it enhances control and seamlessly integrates into your system for superior performance.;
5, 55-G1; Ideal for high-demand scenarios with its exceptional flow rates, it ensures steady, reliable outcomes for the most challenging applications.;
6-G1 1/4; Renowned for its unmatched performance, this component is expertly designed to excel in tough environments, overcoming any obstacle with ease.;
(3) Additional Components and Specifications - Raising the bar for system capabilities and performance excellence::
C,Standard Type - A paragon of reliability, meticulously crafted to meet essential operational demands with precision and excellence.;
G,Throttle Valve (For HLPSL only) - Precision control at its finest, significantly enhancing your system's overall efficiency and performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, delivering unrivaled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure control solutions, precisely meeting diverse application needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing bespoke solutions that perfectly align with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating system efficiency and control with unmatched precision and reliability:C - No magnetic ball valve; F - Normally open magnetic ball valve, designed to enable pump pressurization upon activation and conveniently shift to unloading when deactivated; D - Normally closed magnetic ball valve, ingeniously crafted to facilitate pump unloading when powered and transition to pressurization when unpowered;D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, expertly designed for secondary pressure (F50). This cutting-edge feature ensures advanced safety protocols, significantly enhancing operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience groundbreaking versatility and precision with customizable pressure settings spanning an extensive range from 63 to 400 bar. This component exemplifies adaptability, fully accommodating a diverse range of hydraulic requirements. For seamless configurations, /NF denotes 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:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering marvel, expertly crafted to meet diverse applications, providing you with a product that aligns seamlessly with your precise 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, meticulously engineered for precision, enabling seamless integration and optimal operation.
(9)Directional valve block inflow controller options: Select from a diverse array of options: 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, each delivering precision and exceptional efficiency.
(10) Valve core function symbols: Discover a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to fulfill specific functional requirements.
(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.
(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 measured in bar, ensuring uncompromised system safety.
(13) Function ON/OFF and pressure outlet options: Customize 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 functionality.
(14) Operation modes: Experience versatility with our extensive range of operation modes: A(1,2) offers manual control with a choice of long or short handle; E brings electric proportional control to your fingertips; EA(1,2) combines the precision of electric proportional control with manual flexibility; D features reliable electric switching value control; DA(1,2) integrates the robustness of electric switching value with manual operation; M provides manual friction positioning using a long handle; H presents pure hydraulic control aligning pilot oil ports with oil ports A and B; F offers pure hydraulic control with perpendicular pilot oil ports. Each mode is meticulously crafted to deliver comprehensive and precise control.
(15) Ancillary block port sizes: Empower your systems with our finely engineered port size solutions, crafted to offer perfect adaptability and seamless integration. Choose from our meticulously designed options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each selection provides unmatched flexibility and is tailored to meet your precise needs with exceptional efficiency, ensuring seamless operation.
(16) End plate options: Discover our extraordinary collection of precisely tailored end plate innovations. E1 sets the benchmark with external pilot oil discharge and an external oil return control port T. Elevate your system with E2, featuring an additional port Y for enhanced functionality. Explore the revolutionary E3, integrating a 2-position 3-way magnetic ball valve, elevating your system's pressure to premier safety valve levels when energized, ensuring superior performance and unmatched reliability.
E4, akin to E1, boasts an internal pilot oil discharge and a sealed port T. E5 mirrors E2's excellence, enhanced with internal discharge capabilities. Embrace advanced technology with E6, reflecting E3's forward-thinking design. Each variant ensures superior discharge control, optimizing system efficiency and performance.
(17) Control voltage and anti-explosion cable options: Bolster your system's safety and reliability with our extensive range of expertly tailored solutions. Choose G12-12VDC for specialized applications requiring uncompromised safety and compatibility. Each option is crafted to ensure peak system performance.G24: The optimal choice for robust performance and unwavering dependability, ensuring your system's success in demanding environments.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Elevate your strategic selection with these options, engineered for superior efficiency and adaptability in a variety of challenging conditions.12: Exemplifying precision and reliability, expertly crafted for seamless integration into your systems, ensuring flawless operation.bb621436: The code of excellence, establishing a new benchmark in our groundbreaking design, symbolizing 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:Our standard lead time for production is typically about one month following receipt of payment. This period is vital for us to meticulously prepare and rigorously maintain our high-quality standards, ensuring each product is delivered in immaculate condition. We are fully committed to delivering products that meet your complete satisfaction, reflecting our dedication to exceptional quality and timely service.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer an incredibly low minimum order quantity, allowing you the rare flexibility to order as few as one piece for sample verification. This unique option provides you with the ease and precision to launch your projects seamlessly, perfectly catering to your specific needs.
Question:3. How to proceed with an order for LED lights?
Answer: To begin your order, communicate your specific requirements or desired applications to us. We will then provide a meticulously crafted quote, tailored precisely to your needs, based on your detailed inputs or our professional advice. Once the drawings are approved and a deposit is made, we will finalize the order and initiate production, ensuring every specification is flawlessly met and providing a bespoke solution that 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 not only possible but encouraged. Please inform us before production starts and confirm the design per the sample we provide. This ensures your brand is represented with exceptional accuracy and excellence, beautifully reflecting your brand's identity.
){kind=link}