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.
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
HLPSL: Constant Displacement Pump - The keystone of reliability, this pump delivers unwavering performance, ensuring your system runs smoothly and efficiently.;
HLPSV: Variable Displacement Pump - A model of adaptability, offering remarkable flexibility to meet diverse operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision aligns perfectly with reliability, establishing a dependable operational core::
2-G3/8; Crafted for space efficiency, these ports support a streamlined operation.
3-G1/2; Built for durability, offering a solid foundation for system stability.;
4-G3/4; Featuring top-tier connectivity, providing enhanced control and system integration.;
5, 55-G1; Designed for superior flow, perfect for high-demand applications, delivering reliable performance.;
6-G1 1/4; Offering exceptional performance, crafted to thrive in challenging environments.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights::
C,Standard Type - A sturdy and trusted base, meticulously crafted to fulfill key operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, boosting system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management for superb performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Custom solutions to seamlessly meet specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing overall 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 - Introducing a cutting-edge marvel of modern engineering: our state-of-the-art precision-engineered pressure limiting valve for secondary pressure (F50). This valve comes equipped with a specifically defined pressure value, ensuring advanced safety measures are thoroughly enhanced. Experience optimized operational security and reliability like never before with this engineering masterpiece.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the epitome of versatility and precision with adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component stands as a symbol of adaptability, effortlessly meeting every hydraulic requirement. With the /NF configuration, experience a system design without a pressure limiting valve, meticulously crafted for HLPSV, providing unparalleled pressure control across diverse applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterclass in design, brilliantly conceived to suit every application, ensuring you receive a product perfectly aligned 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; Complete with ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly engineered for seamless and flawless integration.
(9)Directional valve block inflow controller options: Discover a curated selection of inflow controller options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, customized for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and exceptional efficiency.
(10) Valve core function symbols: Explore a wide array of meticulously designed core functions: L, M, F, H, J, B, R, O, N, each intentionally crafted to fulfill specific functional requirements.
(11) Output flow code for ports A & B: Achieve peak operational efficiency with an array of available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each option is crafted for supreme performance and unwavering 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 safety.
(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 superior functionality.
(14) Operation modes: Select from a versatile array of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a fusion 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 (alignment of pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, designed for comprehensive and meticulous control.
(15) Ancillary block port sizes: Dive into a world of versatility with our expertly engineered options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1. Each selection is meticulously crafted to ensure seamless adaptability and flawless integration into a variety of sophisticated systems, meeting all your hydraulic needs with precision and efficiency.
(16) End plate options: Discover our meticulously designed end plate solutions that cater to your every need. E1 serves as your standard choice, providing an external discharge of pilot oil and an external oil return control port T. E2, closely similar to E1, is enhanced with the addition of port Y, offering extra flexibility. E3 stands out with its 2-position 3-way magnetic ball valve, elevating system pressure to safety valve levels upon activation, ensuring safety and performance.
E4, ingeniously crafted similarly to E1, integrates an internal discharge of pilot oil with a sealed port T, optimizing internal performance. E5 mirrors the features of E2, yet with internal discharge for peak performance. E6 showcases the sophisticated design of E3, maintaining advanced discharge control and elevating each variant's operational excellence.
(17) Control voltage and anti-explosion cable options: Opt for safety and specialization with our secure and compatible range, including G12-12VDC. Perfectly crafted for even the most demanding applications, ensuring reliability and peace of mind in every use.G24: Trust in our G24 option for a reliable and robust experience, engineered to meet exacting standards and optimize performance across diverse settings.-: Choose with confidence and ease from our range of precision-engineered products designed to deliver excellence and reliability.24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Explore a world of precision with our 24VDC variants. Each is crafted for excellence - G24Ex-3m-24VDC, G12Ex-3m-12VDC, and the robust G24MA-3m-24VDC - ensuring peak performance and dependable results.12: Experience the reliable performance and compatibility of our 12V options, designed to integrate smoothly into your existing systems.bb621436: Rely on bb621436 for unmatched quality and precision, integral to achieving superior system performance and reliability.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and excellence in the hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), our identity as a national high-tech enterprise is proudly upheld. Our expertise in the meticulous research, development, manufacturing, and sales of premium hydraulic components is unmatched. Being designated as a national 'specialized, refined, and innovative' small giant enterprise reinforces our unwavering dedication to technological advancement and superior quality. This relentless dedication clearly positions us as leaders in our domain.
Our flagship product, the enhanced Safety Atex Valve, epitomizes the zenith of advanced hydraulic system control. Masterfully crafted for construction machinery and heavy-duty equipment, this versatile component is crucial 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, contributing 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 are unwavering in our commitment to providing exceptional products, services, and solutions. Our mission is to rise 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.
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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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