Introducing our cutting-edge HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels epitomize the zenith of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into a singular, harmonious masterpiece. This ensures unparalleled performance and reliability across all applications. 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, pivotal for top-tier engineering machinery. They precisely control the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key features include 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. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in providing exceptional energy-saving performance, making them the ultimate choice for applications where efficiency is paramount. With their advanced engineering and energy-efficient design, HLPSV valves stand out as the premier solution for sophisticated 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 cornerstone of consistent and unwavering performance, ensuring your operations run smoothly and efficiently. This pump is designed for optimal results, guaranteeing seamless processes with its steadfast reliability.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs. Tailored for dynamic environments, it provides the ultimate in customization and control.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations: These specifications guarantee flawless function, marrying accuracy with dependability.:
2-G3/8; Designed for compact efficiency, catering to streamlined and seamless operational flows. This port ensures a perfect blend of size and performance.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system. Engineered for strength, it supports vigorous conditions and demands.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration. Achieve new levels of precision with this cutting-edge port.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance. It guarantees sustained excellence under pressure.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges. Maximize capability with this exceptional port selection.;
(3) Additional Components and Specifications - Lifting system capabilities to new heights: These components ensure your system operates at peak performance, elevating functionality and efficiency.:
C,Standard Type - A reliable and trustworthy baseline, tailored to your essential operational needs. This type serves as a steadfast foundation for your operations.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency. Perfect for fine-tuning performance and flow management.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability. This component guarantees exceptional control and resilience.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for varied applications: Tailor your setup for the perfect balance of force and finesse.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to meet your specific operational needs seamlessly. Achieve your desired outcomes with these adaptable options.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting control: This valve offers precise regulation, enhancing your system's operational prowess.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; Offering state-of-the-art solutions for seamless transitions in pressure management.D/F - Comes with a pressure limiting valve for secondary pressure (F50) featuring a specified pressure value; Providing advanced safety measures to secure operations. Ensure your system remains secure and efficient with this added layer of protection.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Empowering your hydraulic systems with adjustable settings ranging from 63 to 400 bar, this valve stands as a paragon of versatility and precision engineering. For users who favor simplicity, our /NF option omits the pressure limiting valve-ideal for HLPSV-ensuring superior pressure control tailored for diverse scenarios. It's a must-have for all your hydraulic operations.
(7) Product Series Classification - The True Symbol of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is intricately designed to adapt perfectly to any application, ensuring you receive nothing short of a product that satisfies your specific needs with precision.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; This includes ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, all meticulously crafted for flawless integration.
(9)Directional valve block inflow controller options: Choose from: 1, without inflow controller; 2, standard inflow controller; 4, an innovative 3-way flow controller for both inlet and outlet, ideal for the N 3/3-way valve; 5, fortified inflow controller; 8, pre-selectable options, each providing unmatched precision and efficiency.
(10) Valve core function symbols: Delve into an extensive selection of valve core functions: L, M, F, H, J, B, R, O, N, each intricately engineered to meet distinctive functional demands.
(11) Output flow code for ports A & B: Achieve peak efficiency with a range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed to ensure optimal performance tailored for your needs.
(12) Secondary pressure limitation options: Opt for: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all quantified in bar, guaranteeing exceptional system safety.
(13) Function ON/OFF and pressure outlet options: Personalize your setup with: 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 crafted for precise control.
(14) Operation modes: A diverse array of operation modes: A(1,2), manual operation featuring optional long or short handle; E, electric proportional control; EA(1,2), a seamless 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 a long handle; H, pure hydraulic control (aligning pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, designed for comprehensive operational control.
(15) Ancillary block port sizes: Choose from an array of flexible options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered for seamless adaptability and precision fit.
(16) End plate options: Customize your hydraulic experience with an array of tailored end plate choices, designed to meet your specific requirements. Choose from: E1, our standard option, featuring external discharge of pilot oil and an external oil return control port T; E2, similar to E1, but enhanced with an additional port Y for greater versatility; E3, equipped with a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve levels during power supply, ensuring heightened safety and performance.
E4, mirroring E1 while offering internal discharge of pilot oil, with a sealing port T for optimized control; E5, paralleling E2 with internal discharge, perfect for seamless integration; E6, aligned with E3, ensuring each choice provides sophisticated and reliable discharge control, meeting the demands of complex tasks.
(17) Control voltage and the length of anti-explosion type cable options: Choose from our robust selection of control voltage options, including the G12-12VDC, engineered to guarantee safety and deliver flawless compatibility with specialized applications.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 typical lead time for production is approximately one month from the moment we receive your payment. Within this timeframe, we meticulously prepare and implement rigorous quality control processes, ensuring that each and every product delivered to you is in immaculate condition. Our unwavering commitment is to guarantee your utmost satisfaction through flawless delivery.
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 flexibility to order as little as a single piece for sample verification. This unparalleled flexibility allows you to embark on your projects with ease and precision, perfectly accommodating your unique requirements without any complications.
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Answer: Begin by providing us with your comprehensive requirements or intended applications. We will then craft a personalized quote tailored specifically to your needs or based on our professional recommendations. Upon confirmation of the drawings and placement of a deposit, we complete the order and initiate production. We meticulously adhere to every specification, ensuring a seamless and bespoke solution 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: Certainly, this is entirely feasible. Please ensure that you inform us formally before the commencement of production and approve the design based on the sample we provide. This careful process ensures that your branding is presented with the highest precision and exceptional quality, embodying your identity flawlessly.
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