Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves! These revolutionary engineering creations symbolize the pinnacle of hydraulic innovation, seamlessly unifying pressure, flow, and directional control into a single, harmonious masterpiece. Experience unparalleled performance and reliability in every application. Comprising typically of three crucial functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously designed for integration into high-end hydraulic systems, essential 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 include a compact structure, superior energy efficiency, and the capability for stepless speed control. Furthermore, 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. Conversely, 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) Vital Connection Block Codes
HLPSL: Constant Displacement Pump - The cornerstone of reliability, ensuring consistent performance to maintain smooth and efficient operations throughout your system.;
HLPSV: Variable Displacement Pump - An epitome of adaptability and versatility, providing exceptional flexibility to meet diverse operational requirements.;
(2) Connection Block Ports P & R Specifications - Where precision encounters reliability, shaping a dependable operational framework::
2-G3/8; Expertly crafted for compact efficiency, designed to facilitate streamlined and seamless operational flow.
3-G1/2; Built for durability and reliability, providing a stable foundation for your system's integrity.;
4-G3/4; Featuring advanced connectivity, ensuring superior control and enhanced system integration.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications to ensure consistent and reliable performance.;
6-G1 1/4; Delivering unparalleled performance, expertly crafted to excel in demanding environments and tackle challenges effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights::
C,Standard Type - A reliable and trusted foundation, meticulously engineered to meet essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, optimizing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving superior performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Providing custom pressure control solutions for versatile applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering customized solutions to seamlessly meet your specific operational requirements.
(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, activating the pump when powered, unloading when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, activating when unpowered;D/F - This marvel of engineering is equipped with a precision-engineered pressure limiting valve for secondary pressure (F50), defined meticulously to ensure advanced safety measures. This cutting-edge feature secures enhanced operational security and reliability, setting a new standard in technological excellence.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in the unmatched precision and versatility of adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component exemplifies adaptability, addressing all hydraulic needs impeccably. For those seeking streamlined configurations, /NF indicates no pressure limiting valve, crafted meticulously for HLPSV to ensure seamless pressure management across a variety of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterpiece of design and engineering excellence, crafted to match a plethora of applications, ensuring the perfect alignment with your specific 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, precisely crafted for smooth and seamless integration, ensuring flawless performance.
(9)Directional valve block inflow controller options: Choose from an impressive range: 1, without inflow controller; 2, standard inflow controller; 4, a sophisticated 3-way flow controller for both inlet and outlet, designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each providing precision and unparalleled efficiency.
(10) Valve core function symbols: Uncover a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill specific functional demands with precision.
(11) Output flow code for ports A & B: Maximize efficiency with peak output flows available: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for 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: 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 engineered for precise control and outstanding functionality.
(14) Operation modes: Select from a diverse array 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 a 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 precise control.
(15) Ancillary block port sizes: Opt for adaptable choices: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each expertly designed for seamless adaptability and integration.
(16) End plate options: Discover our exquisitely crafted end plate solutions designed for different needs: E1, the standard bearer, offers an external discharge of pilot oil and features the external oil return control port T; E2, much like E1, but enhanced with an additional Y port for increased capability; E3, a marvel with a 2-position 3-way magnetic ball valve, ensuring your system's pressure can rise to safety valve standards when activated.
E4, a close kin to E1, creatively integrates an internal discharge of pilot oil alongside a sealed port T; E5 mirrors the enhancements of E2, boasting internal discharge features; E6 mirrors the sophistication and prowess of E3, each variant exemplifies premier discharge control.
(17) Control voltage and anti-explosion cable options: Opt from a spectrum of secure and reliable options such as G12-12VDC, meticulously designed for secure and specialized use in challenging 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 cutting-edge Enhanced Safety Valve Technology, which powers our flagship load-sensitive proportional valve, represents the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component proves indispensable 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 timeframe, we undertake meticulous preparations and uphold rigorous quality control processes, ensuring that each product is delivered to you in impeccable condition. Achieving your utmost satisfaction with our flawless delivery remains our primary commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer a remarkably low minimum order quantity, granting you the convenience of ordering as little as a single piece for sample verification. This flexibility allows you to initiate your projects with utmost ease and precision, effortlessly accommodating your exclusive requirements.
Question:3. How to proceed with an order for LED lights?
Answer: Begin the process by communicating your detailed requirements or intended applications to us. We will then craft a tailored quote specifically for you, either based on your unique needs or through our seasoned advice. Once the drawings are finalized and a deposit is made, we will formalize the order and initiate production. We promise adherence to every specification with precision, ensuring a seamless and bespoke solution just for you.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 certainly feasible. Kindly ensure that you formally notify us prior to the commencement of production and confirm the design based on the sample we provide. This guarantees that your branding is represented with unparalleled precision and excellence, perfectly capturing your identity.
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