Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations stand as the pinnacle of hydraulic innovation, seamlessly integrating pressure, flow, and precise directional control into a singular, harmonious masterpiece. This ensures unparalleled performance and unwavering 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 exceptional 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 - The blueprint for establishing a seamless and robust foundation for your system:
HLPSL: Constant Displacement Pump - The cornerstone of consistent and unwavering performance, ensuring your operations run smoothly and efficiently, meeting all your operational demands with reliability.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs, enhancing system responsiveness and optimization.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations with detail-oriented design::
2-G3/8; Designed for compact efficiency, catering to streamlined and seamless operational flows, optimizing space and functionality.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system, ensuring sustained operational integrity.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration, boosting overall efficiency.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance and robust reliability.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges, offering exceptional operational capabilities.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights with precision-engineered solutions::
C,Standard Type - A reliable and trustworthy baseline, tailored to your essential operational needs, ensuring foundational stability and efficiency.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency, providing meticulous regulation for optimal performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability, maintaining pressure with unwavering consistency.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for varied applications, tailored to your unique operational demands: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, enhancing adaptability and efficiency.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting control, enabling precise flow management and operational harmony: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;D/F - Comes with a pressure limiting valve for secondary pressure (F50) featuring a specified pressure value; Providing advanced safety measures to secure operations with unparalleled protection and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the perfect harmony of versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. For those who value simplicity, the /NF option represents the absence of a pressure limiting valve, tailored specifically for HLPSV. This exceptional feature guarantees optimal pressure control across diverse scenarios, making it an essential component for all your hydraulic needs.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously engineered to cater to a wide range of applications, ensuring you receive a product that aligns perfectly with your specific 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, expertly crafted for flawless integration.
(9)Directional valve block inflow controller options: Select from: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, ideal for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each one ensuring precision and peak efficiency.
(10) Valve core function symbols: Delve into a rich variety of core functions: L, M, F, H, J, B, R, O, N, each thoughtfully designed to meet specific functional needs with precision.
(11) Output flow code for ports A & B: Enhance performance with maximum output flows available at 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, precisely tailored for superior efficiency.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all precisely measured in bar, ensuring robust system safety.
(13) Function ON/OFF and pressure outlet options: Discover customizable choices: 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 exacting precision control.
(14) Operation modes: Experience diverse operation modes: A(1,2), manual operation with a choice of long or short handle; E, electric proportional control; EA(1,2), a harmonious blend of electric proportional control and manual operation; D, electric switching value control; DA(1,2), a combination of electric switching value control and manual operation; M, manual friction positioning with an extended handle; H, pure hydraulic control with aligned pilot oil ports to oil ports A and B; F, pure hydraulic control with perpendicular pilot oil ports, meticulously designed for comprehensive mastery.
(15) Ancillary block port sizes: Choose from versatile sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, meticulously engineered for seamless adaptability.
(16) End plate options: Our bespoke end plate offerings include: E1, the standard choice, featuring external discharge of pilot oil and an external oil return control port T; E2, similar to E1, enhanced with an additional port Y for increased versatility; E3, equipped with a 2-position 3-way magnetic ball valve, this option boosts system pressure to match safety valve levels when powered, ensuring optimal safety and performance.
E4, resembling E1 but incorporating an internal discharge of pilot oil with a sealing port T for added security; E5, akin to E2, includes internal discharge for seamless operation; E6, parallel to E3, each variant guarantees advanced discharge control, bringing precision and reliability to your hydraulic applications.
(17) Control voltage and anti-explosion type cable length options: Choose from a variety of options such as G12-12VDC, designed to ensure safety and compatibility with your specialized needs, offering peace of mind in even the most 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 become a beacon of innovation and excellence within the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we are proud to be recognized as a national high-tech enterprise. Our expertise encompasses the meticulous research, development, manufacturing, and distribution of premium hydraulic components. Being designated as a national 'specialized, refined, and innovative' small giant enterprise is a testament to our dedication to technological advancement and superior quality. This unwavering commitment allows us to lead the industry with cutting-edge solutions.
Our flagship creation, the load-sensitive proportional valve, represents the zenith of sophisticated hydraulic system control. Masterfully engineered for construction machinery and heavy-duty equipment, this adaptable component is indispensable in critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We pride ourselves on strategic alliances with leading domestic manufacturers, significantly contributing to the localization of core hydraulic components for high-end mechanical equipment. Upholding our core philosophy - 'serving customers with technology, impressing customers with our attitude, and retaining customers with quality' - we remain steadfast in our mission to provide exceptional products, services, and solutions. Our goal is to rise as a globally trusted supplier of premier hydraulic components, pioneering new standards of excellence worldwide.
Question:1. What about the lead time?
Answer:The lead time for production is generally about one month after we receive your payment. Throughout this period, we meticulously prepare and implement rigorous quality control measures to ensure that every single product arrives in perfect condition. Your complete satisfaction with our flawless delivery remains our utmost priority.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We provide an exceptionally low minimum order quantity, which allows you the freedom to order even just a single piece for sample validation. This remarkable flexibility enables you to initiate your projects with ease and precision, tailoring to your exact needs without any inconvenience.
Question:3. How to proceed with an order for LED lights?
Answer: Begin the ordering process by sharing your detailed requirements or intended applications with us. We will craft a custom quote tailored specifically to your needs or guided by our expert recommendations. Once you approve the drawings and submit a deposit, we will confirm the order and start production. Every specification is meticulously followed, ensuring you receive a seamless, personalized solution.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 possible. Please make sure to inform us formally before production begins and confirm the design based on the sample we provide. This ensures your branding is presented with ultimate precision and high quality, perfectly reflecting your identity.
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