Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations are the epitome of hydraulic innovation, elegantly merging pressure, flow, and directional control into a unified, harmonious masterpiece. This ensures unparalleled performance and reliability in every application. Expertly composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for seamless integration into high-end hydraulic systems, indispensable 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 highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Moreover, they empower multiple actuators to operate concurrently under varying loads, delivering unmatched performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and consistent 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 are renowned for their 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 amalgamation 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 reliability, this pump ensures unfaltering and steadfast performance, enabling smooth and efficient system operations with utmost dependability.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and versatility, it offers unmatched flexibility to effortlessly meet an array of operational demands and requirements.;
(2) Connection Block Ports P & R Specifications - Where precision aligns with reliability, forming a robust and trustworthy operational framework::
2-G3/8; Tailor-made for compact proficiency, its design supports smooth, streamlined, and seamless operational flows.
3-G1/2; Built for strength and reliability, this port forms a solid foundation ensuring the integrity of your system.;
4-G3/4; Featuring advanced connectivity and offering superior control, it enhances system integration significantly.;
5, 55-G1; With superior flow rates, this is perfect for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Imbued with unmatched performance, it is expertly designed to excel in demanding environments and tackle any challenges with ease.;
(3) Additional Components and Specifications - Elevating your system capabilities to unprecedented heights and excellence::
C,Standard Type - A steadfast and trusted foundation, meticulously engineered to meet all essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly boosting the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizing flow management, this valve drives unparalleled performance and dependability across the board.;
(4) Pilot Oil Circuit Pressure Options - Providing tailored pressure control solutions for diverse and specific applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions meticulously crafted to seamlessly meet your unique operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Amplifying 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; Each meticulously designed to optimize your system's operational dynamics.D/F - This state-of-the-art pressure limiting valve, engineered with precision for secondary pressure (F50) and configured with an explicit pressure value, guarantees superior safety protocols. This ensures peerless operational security and steadfast reliability, setting new standards for safety measures.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embrace versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This exceptional component exemplifies adaptability, meeting all hydraulic demands. For streamlined configurations, /NF signifies the absence of a pressure limiting valve, meticulously devised for HLPSV, to ensure impeccable pressure management across varied applications.
(7) Product Series Classification - A Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a masterpiece, exquisitely engineered to align perfectly with diverse applications, ensuring the delivery of a product that is tailored to your precise 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, all meticulously engineered for flawless and seamless integration.
(9)Directional valve block inflow controller options: Select from an array: 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 promising accuracy and exemplary efficiency.
(10) Valve core function symbols: Unveil a comprehensive suite of core functionalities: L, M, F, H, J, B, R, O, N, each scrupulously crafted to satisfy specific functional requirements.
(11) Output flow code for ports A & B: Attain peak efficiency with available output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each meticulously designed for exceptional performance and steadfast reliability.
(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 measured in bar, ensuring unswerving system safety.
(13) Function ON/OFF and pressure outlet options: Tailor with options like: N, devoid of 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.
(14) Operation modes: Choose from diverse modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a synthesis 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, all meticulously crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Experience ultimate versatility with our expertly engineered options that ensure seamless adaptability and flawless integration with your specific needs: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1.
(16) End plate options: Uncover a range of end plate solutions crafted to perfection: E1, the quintessential choice, offers external pilot oil discharge and external oil return control port T; E2 builds upon E1 with the sophisticated addition of port Y; E3 features a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated.
E4 adopts the E1 design but integrates internal pilot oil discharge with a sealed port T, offering innovation in control; E5 mirrors the E2 design with internal discharge capability; E6 mirrors E3's sophistication, each variant providing advanced discharge management.
(17) Control voltage and anti-explosion cable options: Select from a secure range of tailored options like G12-12VDC, ensuring safety and specialization for even the most demanding 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 innovation, the Load Sensitive Valve Technology for Enhanced Safety in Truck Cranes, represents 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 for production?
Answer:Typically, the lead time for production spans approximately one month after payment is received. During this period, we engage in diligent preparation and maintain strict quality control standards to ensure each product is delivered in impeccable condition. Our commitment is to exceed your expectations with flawless delivery and ultimate satisfaction.
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Answer: We offer an impressively low minimum order quantity, allowing you to order as little as one piece for sample verification. This flexibility facilitates the initiation of your projects with ease and precision, accommodating your specific requirements effortlessly.
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Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is entirely feasible. Ensure you notify us formally before production begins and confirm the design based on the sample we provide. This will guarantee your branding is represented with unmatched precision and excellence, capturing your identity perfectly.
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