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 backbone of reliable performance, guaranteeing seamless operations with unwavering efficiency.;
HLPSV: Variable Displacement Pump - The epitome of versatility, offering exceptional adaptability to suit a wide range of operational demands.;
(2) Connection Block Ports P & R Specifications - Precision and reliability converge to ensure steadfast operations::
2-G3/8; Crafted for compact efficiency, ensuring smooth and uninterrupted operational flows.
3-G1/2; Engineered for robustness and reliability, forming a solid core for your system's foundation.;
4-G3/4; Facilitating advanced connectivity, providing superior control and enhanced system integration.;
5, 55-G1; Delivering an exceptional flow rate, ideal for high-demand applications, ensuring dependable performance.;
6-G1 1/4; Setting a new standard for performance, designed to excel in challenging environments.;
(3) Additional Components and Specifications - Elevating your system's capabilities to unprecedented heights::
C,Standard Type - A steadfast and reliable choice, meticulously crafted for your essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Enhances precision in control, significantly boosting overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimizes flow management, ensuring superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering bespoke pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Seamlessly providing personalized solutions to perfectly align with your unique operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Revolutionizing efficiency and enhancing control:C - No magnetic ball valve; F - Normally open magnetic ball valve, activating pump pressurization when powered, and unloading when unpowered; D - Normally closed magnetic ball valve, engaging pump unloading when powered, and pressurizing when unpowered;D/F - Equipped with a sophisticated pressure limiting valve for secondary pressure (F50), featuring a specified pressure value to provide state-of-the-art safety measures, ensuring secure and reliable operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This versatile component offers adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, epitomizing precision and adaptability. For those who value simplicity, /NF denotes the absence of a pressure limiting valve, specifically crafted for HLPSV. This feature guarantees optimal pressure control across diverse scenarios, making it a crucial element for your hydraulic solutions.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously tailored to meet the demands of various applications, ensuring that you receive a product precisely suited to your unique 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 for seamless integration and performance.
(9)Directional valve block inflow controller options: Choose from: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, perfectly suited for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each ensuring precision and efficiency for enhanced performance.
(10) Valve core function symbols: Discover a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill distinct functional requirements with precision and reliability.
(11) Output flow code for ports A & B: Achieve maximum efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, engineered for optimal performance and reliability.
(12) Secondary pressure limitation options: Opt between: 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 robust and reliable system safety.
(13) Function ON/OFF and pressure outlet options: Explore customizable options including: 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 engineered for precision-controlled operations.
(14) Operation modes: A diverse array of operation modes available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a sophisticated blend 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, crafted for comprehensive and dynamic control.
(15) Ancillary block port sizes: Choose from a wide range of versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered for seamless versatility and adaptability.
(16) End plate options: Discover a spectrum of precision-engineered end plate choices tailored to meet your exacting demands: E1 offers standard functionality with an external discharge of pilot oil and external oil return control port T. Choose E2 for similar features to E1, enhanced with an additional port Y for increased versatility. Opt for E3, which integrates a 2-position 3-way magnetic ball valve, serving to elevate system pressure to safety valve levels when power is supplied, ensuring top-tier operational safety.
E4, crafted to mirror E1 but with an internal discharge of pilot oil, effectively sealing port T for dependable containment. E5 offers a similar approach to E2, featuring internal discharge capabilities. E6 parallels E3, each option is meticulously designed to ensure sophisticated and reliable discharge control, meeting your advanced hydraulic needs.
(17) Control voltage and the length of anti-explosion type cable options: Choose from a selection that includes G12-12VDC, meticulously engineered to ensure robust safety and seamless compatibility with your specialized applications, providing peace of mind in demanding environments.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 flagship product, the load-sensitive proportional valve, epitomizes 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 after payment has been received. During this period, we meticulously prepare and conduct rigorous quality control checks to ensure each product is delivered in pristine condition. Your satisfaction with our flawless delivery process is our ultimate goal.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We are proud to offer an exceptionally low minimum order quantity, granting you the freedom to order even just one piece for sample verification. This flexibility empowers you to embark on your projects with confidence and precision, fulfilling your distinct needs effortlessly.
Question:3. How to proceed with an order for LED lights?
Answer: Begin by providing us with your detailed requirements or intended applications. We will then craft a personalized quote just for you, either based on your specifications or through our expert guidance. Once the drawings are confirmed and a deposit is made, we will finalize the order and start production. We diligently adhere to every specification, ensuring a seamless and bespoke solution tailored precisely for you.drawings,and place a deposit to formalize the order. We will orchestrate production, ensuring every detail is executed flawlessly for a seamless and customized solution.
Question:4. Is it OK to print my logo on the product?
Answer: Certainly, this is entirely possible. Please ensure you formally communicate your request before production begins and confirm the design with the sample we provide. This guarantees your branding is presented with the highest degree of accuracy and quality, showcasing your identity impeccably.
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