Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations represent the pinnacle of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into a singular, harmonious masterpiece. This guarantees unparalleled performance and reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for integration into high-end hydraulic systems, crucial for top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights encompass a compact structure, superior energy efficiency, and the capability for stepless speed control. Beyond this, they empower multiple actuators to operate simultaneously under varying loads, delivering unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. On the other hand, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in delivering exceptional energy-saving performance, making them the ultimate choice for applications where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering a perfect blend 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. This pump stands as a pillar of dependability, perpetually maintaining optimal function to elevate productivity and system management.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements. Its innovative design seamlessly integrates into varying operational frameworks, enhancing system performance and responsiveness.;
(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. This port ensures nimble connectivity and fluid transitions, optimizing space and functionality.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity. It offers enduring strength and resilience, safeguarding the heart of your operations.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration. This port is designed to harmonize with complex systems, ensuring superior performance and control.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance. It excels in delivering high capacity flow with stability and precision.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly. This robust specification ensures peak efficiency under pressure.;
(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. Its steadfast nature assures a seamless foundation for all system needs.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system. This component fine-tunes flow dynamics, optimizing system responsiveness and precision.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability. It's engineered to sustain optimal pressure conditions, ensuring operational excellence.;
(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. These options deliver precision control, aligning perfectly with your unique system needs.
(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; Carefully engineered to streamline operations, these valves offer dynamic and responsive control to meet varied system demands.D/F - Elevate your safety standards to new heights with our precision-engineered pressure limiting valve, meticulously designed for secondary pressure (F50). This avant-garde feature ensures the implementation of advanced safety protocols, significantly enhancing operational security, reliability, and peace of mind.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unleash unparalleled versatility and precision with adjustable pressure settings ranging from 63 to 400 bar. This component exemplifies adaptability, fully accommodating various hydraulic demands. 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 cater to diverse applications, providing you with a product that aligns seamlessly with your precise needs and requirements.
(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 precision for seamless integration and operation.
(9)Directional valve block inflow controller options: Choose from an array of expertly designed 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 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 engineered to fulfill specific functional requirements and enhance system capability.
(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 unwavering 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 and performance.
(13) Function ON/OFF and pressure outlet options: Tailor your system with an array of 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: Choose from a diverse range of operation modes: 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.
(15) Ancillary block port sizes: Immerse yourself in our array of meticulously crafted options, designed for seamless adaptability and integration. Choose from our expertly engineered selections: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1, each providing the ultimate in flexibility to perfectly cater to your specific needs.
(16) End plate options: Discover our extraordinary collection of finely tailored end plate solutions. E1 offers the standard option with an external discharge of pilot oil and an external oil return control port T. E2 mirrors E1 but is enhanced with an additional port Y. Experience the cutting-edge innovation of E3, featuring a 2-position 3-way magnetic ball valve, which elevates your system's pressure to safety valve levels when powered, ensuring unmatched performance.
E4, akin to E1, is distinguished by integrating an internal discharge of pilot oil with a sealed port T. E5 replicates the capabilities of E2 with an internal discharge feature. Discover the sophistication of E6, which embodies the advanced design of E3, each variant promising superior discharge control for ultimate system performance.
(17) Control voltage and anti-explosion cable options: Ensure your system's safety and reliability with our range of customized solutions. Opt for G12-12VDC, perfect for specialized applications requiring uncompromising safety and 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.
Inquiry:1. What about the lead time?
Response:Typically, the production lead time extends to approximately one month following the receipt of payment. Throughout this period, we meticulously prepare and adhere to rigorous quality control measures, ensuring that each product reaches you in pristine condition. Our ultimate goal is your complete satisfaction with the flawless delivery we provide.
Inquiry:2. Do you have any MOQ limit for LED light orders?
Response: We take pride in offering an exceptionally low minimum order quantity, allowing you the convenience of ordering as little as a single piece for sample verification. This flexibility is designed to meet your unique project needs with ease and precision, making the process smooth and accommodating your exclusive requirements.
Inquiry:3. How to proceed with an order for LED lights?
Response: To begin your order, communicate your detailed requirements or intended applications directly to us. We will then craft a customized quote tailored to your specific needs or based on our expert recommendations. Upon finalizing the drawings and placing a deposit, we will formalize the order and commence production. We pledge to meet every specification with precision, ensuring you receive a seamless and bespoke solution.Submit your drawings,and place a deposit to formalize the order. We will then organize production, guaranteeing that every detail is executed to perfection for a seamless and tailored experience.
Inquiry:4. Is it OK to print my logo on the product?
Response: Absolutely, this is indeed possible. Please ensure to formally notify us before production begins and confirm the design based on the sample we provide. This process guarantees that your branding is represented with unmatched precision and quality, perfectly echoing your identity.
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