Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations redefine the boundaries of hydraulic innovation, seamlessly merging pressure, flow, and directional control into one harmonious entity. As a true masterpiece of modern engineering, they ensure top-tier performance and reliability across all applications. Typically composed of three crucial functional modules - connecting blocks, directional valves, and end plates - these valves are exquisitely crafted for seamless incorporation into high-end hydraulic systems, vital for elite engineering machinery. They expertly control the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision and exceptional control. Key advantages include a compact design, outstanding energy efficiency, and the ability to offer stepless speed control. Moreover, they empower multiple actuators to function simultaneously under varying loads, delivering unparalleled performance and versatility across diverse applications.
The HLPSL valves are expertly designed for constant displacement pump systems, ensuring consistent and dependable operation in every environment. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. Although HLPSV valves may display a slightly slower response time, they are unparalleled in delivering outstanding energy-saving performance, making them the ultimate choice for applications where efficiency is the highest priority. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the leading solution for advanced hydraulic control needs, offering the perfect fusion 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, delivering consistent and steadfast performance to ensure smooth and efficient operations throughout your system.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework::
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing 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 - Elevate your safety standards with our precision-engineered pressure limiting valve, specifically crafted for secondary pressure (F50). This state-of-the-art component is designed to guarantee superior safety protocols, significantly boosting operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unparalleled versatility and precision with adjustable pressure settings from 63 to 400 bar. This component is the epitome of adaptability, perfectly accommodating diverse hydraulic requirements. For seamless configurations, /NF indicates no pressure limiting valve, meticulously tailored for HLPSV, ensuring flawless pressure management across a wide array of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering marvel, expertly crafted for a multitude of applications, providing a product that aligns seamlessly with your specific needs.
(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, engineered with precision for seamless integration and flawless operation.
(9)Directional valve block inflow controller options: Choose from a selection of options: 1, without inflow controller; 2, standard inflow controller; 4, 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 delivering precision and unparalleled efficiency.
(10) Valve core function symbols: Explore a wide range of core functions: L, M, F, H, J, B, R, O, N, each crafted with precision to fulfill specific functional requirements.
(11) Output flow code for ports A & B: Maximize efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, meticulously designed to ensure superior performance and reliability.
(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 uncompromised system safety.
(13) Function ON/OFF and pressure outlet options: Customize your system 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 option expertly engineered for precise control and functionality.
(14) Operation modes: Choose from a comprehensive 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 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: Discover the ultimate in adaptability and integration with our meticulously crafted ancillary block port size options. Select from our expertly engineered range: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option epitomizes flexibility, ensuring a perfect fit for your specific needs and enhancing your system's performance with ease.
(16) End plate options: Dive into our superb selection of end plate solutions, each finely tailored for your system's needs. The E1 option offers a standard setup with an external discharge of pilot oil and a control port T for external oil return. Experience the enhanced E2, which builds on E1's features and introduces an additional port Y for greater versatility. The innovative E3 option includes a 2-position 3-way magnetic ball valve, elevating your system's pressure to safety valve levels when powered, ensuring superior operational performance.
The E4 option, similar to E1, distinguishes itself with an internal discharge of pilot oil and a sealed port T for added security. E5 mirrors E2 but features an internal discharge, delivering enhanced system integrity. Discover the sophistication of E6, which reflects the advanced design of E3, promising remarkable discharge control and optimal system performance for every application.
(17) Control voltage and anti-explosion cable options: Ensure unparalleled system safety and reliability with our range of specialized voltage control and anti-explosion cable options. Opt for G12-12VDC, ideal for specialized applications requiring the highest levels of safety and compatibility, and explore other options tailored to meet your specific needs.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 Atex Valve, the flagship product, embodies 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.
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Answer:Typically, the lead time for production spans approximately one month after payment is received. During this period, we devote ourselves to meticulous preparations and enforce stringent quality control processes. Our commitment ensures that every product delivered to you is in impeccable condition. Achieving your utmost satisfaction with our flawless delivery is our foremost promise.
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