Behold the groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, the crowning jewels of hydraulic technology. Representing a harmonious fusion of pressure, flow, and directional control, these engineering marvels are crafted to elevate performance and reliability to unprecedented heights. Comprising three vital functional modules-connecting blocks, directional valves, and end plates-these valves are designed for seamless integration into elite hydraulic systems, essential for sophisticated engineering machinery. They expertly manage the trajectory and velocity of hydraulic cylinders, motors, and other actuators, ensuring unmatched precision and control. Standout features include a compact design, remarkable energy efficiency, and the provision for stepless speed regulation. Furthermore, they enable the simultaneous operation of multiple actuators under varying loads, delivering performance and versatility that redefine excellence in any application.
The HLPSL valves are meticulously customized for constant displacement pump systems, guaranteeing unwavering and dependable functionality in all environments. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. Despite a marginally slower response time, HLPSV valves boast extraordinary energy-saving capabilities, making them the optimal choice for scenarios where efficiency reigns supreme. With their state-of-the-art engineering and energy-efficient framework, HLPSV valves emerge as the flagship solution for sophisticated hydraulic control needs, offering an impeccable balance 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 dependability, this pump ensures unwavering and efficient performance, facilitating smooth operations across your entire system.;
HLPSV: Variable Displacement Pump - An epitome of flexibility and adaptability, this pump delivers remarkable versatility to meet a vast array of operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision aligns with reliability, creating a steadfast operational foundation::
2-G3/8; Skillfully crafted for compact efficiency, designed to maintain streamlined and fluid operational processes.
3-G1/2; Built for strength and dependability, it offers a secure basis for maintaining system stability.;
4-G3/4; Featuring cutting-edge connectivity, it provides superior control and improved system unification.;
5, 55-G1; Designed for outstanding flow rates, perfect for high-demand tasks, ensuring steady and reliable output.;
6-G1 1/4; Offering unparalleled performance, expertly engineered to thrive in challenging environments and meet demands with ease.;
(3) Additional Components and Specifications - Pushing the boundaries of system capabilities to new heights::
C,Standard Type - A dependable and trusted base, carefully crafted to fulfill essential operational necessities.;
G,Throttle Valve (For HLPSL only) - Ensures meticulous control, boosting the system's overall performance and efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving exceptional performance and steadfast reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering custom pressure control solutions tailored for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions crafted to seamlessly align with your unique operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing control and efficiency:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered and unloading it when not powered; D - Normally closed magnetic ball valve, unloading the pump when powered and pressurizing it when unpowered.D/F - This state-of-the-art, precision-engineered pressure limiting valve for secondary pressure (F50) is an exceptional marvel of engineering, meticulously designed to ensure that cutting-edge safety measures are enhanced to new heights. It optimizes operational security and reliability like never before, offering unparalleled confidence and peace of mind.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the zenith of versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, seamlessly meeting every hydraulic requirement with finesse. With the /NF configuration, discover systems without a pressure limiting valve, meticulously crafted for HLPSV, delivering unmatched pressure control across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterclass in design, expertly conceived to be the perfect solution for every application, ensuring you receive a product perfectly aligned with your unique requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, masterfully engineered for seamless and flawless integration.
(9)Directional valve block inflow controller options: Choose from a versatile array of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and exceptional efficiency, tailored to elevate your system's performance.
(10) Valve core function symbols: Explore an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to fulfill specific functional requisites with precision and reliability.
(11) Output flow code for ports A & B: Achieve peak efficiency with a selection of available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for supreme performance, dependability, and to meet the highest standards of excellence.
(12) Secondary pressure limitation options: Select 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 measured in bar, ensuring unwavering system safety and integrity.
(13) Function ON/OFF and pressure outlet options: Customize your experience 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 functionality, ensuring optimal performance.
(14) Operation modes: Select from a variety of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a perfect 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 precise control, offering superior functionality to meet your needs.
(15) Ancillary block port sizes: Dive into a world of versatility with our precisely engineered options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, each meticulously crafted to offer seamless adaptability and flawless integration into a wide range of systems, ensuring optimal performance and reliability.
(16) End plate options: Discover our meticulously designed end plate solutions tailored for your needs. E1 introduces an external discharge of pilot oil and an external oil return control port T as your standard choice. E2, while similar to E1, adds an extra port Y, offering enhanced flexibility. E3 takes performance up a notch with a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, ensuring unmatched operational efficacy and safety.
E4, inspired by E1, innovatively integrates an internal discharge of pilot oil coupled with a sealed port T for exceptional efficiency. E5 echoes E2's features, but with an internal discharge, optimizing performance. E6 is a sophisticated reflection of E3, providing advanced discharge control across every variant, cementing its place as a pinnacle of design excellence.
(17) Control voltage and anti-explosion cable options: Select from our secure and compatible range. G12-12VDC, a testament to safety and specialization, is designed to meet the demands of the most challenging applications, ensuring peace of mind in high-stakes 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 stood as a beacon of innovation and excellence within the hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly uphold our identity as a national high-tech enterprise. Our unmatched expertise in meticulous research, development, manufacturing, and sales of premium hydraulic components sets us apart. Being designated as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering dedication to technological advancement and superior quality. This relentless dedication clearly positions us as leaders in our domain, continuously pushing the boundaries of innovation and engineering excellence.
Our flagship product, the enhanced Safety Atex Valve, stands as the zenith of advanced hydraulic system control. Masterfully crafted for construction machinery and heavy-duty equipment, this versatile component is 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, which contribute significantly to the localization of core hydraulic components for high-end mechanical equipment. Anchored by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we remain steadfast 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 standards 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.
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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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