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.
Engineered with expert precision, our HLPSL valves are the perfect fit for constant displacement pump systems, guaranteeing steadfast and reliable performance across diverse settings. Meanwhile, the HLPSV valves are masterfully designed for variable pump systems and, though they may exhibit a slightly slower response time, they shine in providing exceptional energy savings. This makes them the ultimate choice where efficiency takes top priority. With their cutting-edge engineering and energy-efficient design, HLPSV valves are recognized as the premier solution for advanced hydraulic control needs, offering an impeccable 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 - A beacon of reliability, delivering unwavering and consistent performance to ensure smooth, efficient operations across your system.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and versatility, offering exceptional flexibility to meet a diverse range of operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision seamlessly aligns with reliability, crafting a dependable operational framework::
2-G3/8; Designed for compact excellence, optimized for streamlined and seamless operational flows.
3-G1/2; Crafted for robustness and reliability, establishing a solid foundation for your system's integrity.;
4-G3/4; Featuring advanced connectivity, offering unparalleled control and enhanced system integration.;
5, 55-G1; Engineered for superior flow rates, perfect for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unrivaled performance, meticulously designed to excel in demanding environments and tackle challenges with ease.;
(3) Additional Components and Specifications - Elevating system capabilities to unparalleled heights::
C,Standard Type - A steadfast and trusted foundation, expertly crafted to fulfill essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unparalleled performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Providing bespoke pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering tailored solutions to seamlessly meet your specific operational demands.
(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, 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 - Immerse yourself in the realm of advanced safety with our state-of-the-art pressure limiting valve, crafted with precision for secondary pressure (F50). This groundbreaking feature is meticulously engineered to uphold superior operational security and reliability, setting a new benchmark in hydraulic excellence.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unlock unparalleled versatility and precision with adjustable pressure settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, tailored to meet every hydraulic demand. For seamless configurations, /NF signifies the absence of a pressure limiting valve, expertly engineered for HLPSV, ensuring impeccable pressure management across an array of applications.
(7) Product Series Classification - A Manifestation of Engineering Prowess:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a pinnacle of design mastery, precisely crafted to align with every application, guaranteeing a product that seamlessly integrates 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; including complementary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, skillfully engineered for effortless and harmonious integration.
(9)Directional valve block inflow controller options: Select from an array of configurations: 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, refined inflow controller; 8, pre-selectable options, each ensuring precision and exceptional efficiency.
(10) Valve core function symbols: Explore a rich array of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to fulfill distinct functional requirements.
(11) Output flow code for ports A & B: Optimize efficiency with peak output flows available at 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, engineered for unrivaled performance and dependability.
(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 uncompromising system protection.
(13) Function ON/OFF and pressure outlet options: Tailor to your needs with options such as: 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 and ultimate functionality.
(14) Operation modes: Choose from a spectrum of operation modes: A(1,2), manual operation with optional 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), integrated 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, designed for all-encompassing and precise control.
(15) Ancillary Block Port Sizes: Explore our diverse range of meticulously crafted port sizes designed for effortless integration. Choose from adaptable options including /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each port size is expertly engineered to seamlessly fit your hydraulic systems, ensuring adaptability and optimal performance.
(16) End Plate Options: Uncover our array of precisely designed end plate solutions. E1 stands as the standard choice, offering an external discharge for pilot oil and an external oil return control port T. E2 enhances E1's capabilities with an additional port Y, providing expanded functionality. For those needing advanced pressure management, E3 comes equipped with a sophisticated 2-position 3-way magnetic ball valve that boosts system pressure to safety valve levels upon activation.
E4 shares a similar design to E1, but innovatively features an internal discharge for pilot oil with a sealed port T, offering streamlined discharge operations. E5 mirrors the enhancements of E2 by also incorporating internal discharge, while E6 reflects the advanced engineering of E3, ensuring precise and sophisticated discharge control in every variant.
(17) Control Voltage and Anti-Explosion Cable Options: Select from a robust range of secure and compatible voltage options, such as G12-12VDC. Tailored specifically for safety and specialization, these options are ideal for demanding applications that require reliability and precision.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 Enhanced Safety Valve Technology demonstrates our leadership in the realm of hydraulic control systems. At the heart of our innovation is the flagship load-sensitive proportional valve-a pinnacle of advanced technology for hydraulic system control. This expertly engineered marvel is specifically designed for construction machinery and heavy-duty equipment, proving indispensable for high-stakes applications including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are delighted to engage in strategic collaborations with numerous leading domestic manufacturers, significantly contributing to the localization of 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 steadfast in our mission to deliver outstanding products, services, and solutions. Our unwavering mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence and innovation on the world stage.
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?
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