Introducing the dawn of a revolutionary era in hydraulic solutions with our trailblazing HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are far more than mere components; they represent a symphony of engineering excellence and stand as the pinnacle of innovative hydraulic technology. Seamlessly integrating pressure, flow, and directional control into one cohesive, harmonious entity, these valves ensure exceptional performance and reliability in every application. Crafted with precision, they consist of three essential functional modules - connecting blocks, directional valves, and end plates - engineered meticulously for integration into premium hydraulic systems, which are crucial for high-end engineering machinery. They govern the movement direction and speed of hydraulic cylinders, motors, and other actuators with unmatched precision and control. Noteworthy features include a sleek, compact design, superb energy efficiency, and the ability for stepless speed control. Additionally, they enable multiple actuators to function simultaneously under varying loads, delivering exceptional performance and versatility for any application.
The HLPSL valves are skillfully engineered for constant displacement pump systems, ensuring steadfast and reliable operation in every scenario. On the other hand, the HLPSV valves are expertly designed for variable pump systems. While HLPSV valves might exhibit a slightly slower response time, their outstanding energy-saving performance sets them apart, making them the ideal choice when efficiency is paramount. With cutting-edge engineering and an energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, offering a flawless blend of precision, reliability, and energy 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 - This indispensable component is your steadfast ally, delivering unwavering and consistent performance to ensure seamless and efficient operations throughout your entire system.;
HLPSV: Variable Displacement Pump - Embodying versatility and adaptability, this pump is the pinnacle of flexibility, designed to cater to a wide array of operational needs and conditions.;
(2) Connection Block Ports P & R Specifications - Precision and reliability meet to create a solid operational foundation::
2-G3/8; Expertly crafted for compact efficiency, it is engineered to support smooth and uninterrupted operational flows, ensuring reliability at every turn.
3-G1/2; Built for robust performance and dependability, offering a steadfast base for your system's integrity and longevity.;
4-G3/4; Equipped with cutting-edge connectivity, this port enhances system integration and offers superior control over your operations.;
5, 55-G1; Ideal for high-demand applications, this port guarantees superior flow rates, ensuring consistent and reliable performance every time.;
6-G1 1/4; Delivering unparalleled performance, this component is designed to excel in challenging environments, effortlessly overcoming obstacles.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A cornerstone of reliability, this component is meticulously crafted to fulfill essential operational requirements with excellence.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly 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 unwavering reliability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions crafted for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to perfectly align with your unique operational requirements, ensuring seamless integration.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Boosting efficiency and control with precision.C - Experience the innovation in valve technology with our No Magnetic Ball Valve, ensuring seamless operation without magnetic interference. F - Discover the efficiency of the Normally Open Magnetic Ball Valve, which activates pump pressurization upon power and unloads effortlessly when unpowered. D - Enhance hydraulic systems with the Normally Closed Magnetic Ball Valve, which achieves pump unloading when powered and reliable pressurization when unpowered.D/F - Elevate your safety standards with our precision-engineered Pressure Limiting Valve, meticulously crafted for Secondary Pressure (F50). This cutting-edge feature ensures advanced safety protocols, significantly boosting operational security and unwavering reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unprecedented versatility and precision with customizable pressure settings, seamlessly ranging from 63 to 400 bar. This innovative component embodies adaptability, meeting a wide spectrum of hydraulic needs. For flawless configurations, /NF indicates no pressure limiting valve, expertly tailored for HLPSV, guaranteeing impeccable pressure management across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence: Unveil the superior craftsmanship behind each series, offering unparalleled engineering solutions.;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering masterpiece, meticulously crafted to meet varied applications, providing you with a perfectly aligned product for your precise 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, expertly designed for flawless integration and optimal operation.
(9)Directional valve block inflow controller options: Choose from a comprehensive selection: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, expertly engineered for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and unparalleled efficiency.
(10) Valve core function symbols: Explore a wide array of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to meet specific functional requirements.
(11) Output flow code for ports A & B: Harness peak efficiency with a range of output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, ensuring superior performance and unwavering reliability.
(12) Secondary pressure limitation options: Opt 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 meticulously measured in bar, safeguarding uncompromised system safety.
(13) Function ON/OFF and pressure outlet options: Customize your system with a spectrum of 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 option precisely engineered for ultimate control and functionality.
(14) Operation modes: Explore a rich spectrum of operation modes meticulously designed to cater to your diverse needs: A(1,2) for manual operation with optional long or short handle; E for precise electric proportional control; EA(1,2) combines electric proportional control with manual operation for unparalleled versatility; D offers electric switching value control; DA(1,2) merges electric switching value control with manual operation; M offers manual friction positioning with a long handle; H delivers pure hydraulic control by aligning pilot oil ports with oil ports A and B; and F ensures pure hydraulic control with perpendicular pilot oil ports. Each mode is crafted for impeccable and precise control.
(15) Ancillary block port sizes: Enhance precision with our expertly crafted port size options, designed for seamless adaptability and integration: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. These options represent the pinnacle of flexibility, engineered to meet your exact requirements with unmatched efficiency.
(16) End plate options: Explore our exceptional collection of finely tailored end plate solutions. E1 is the standard with external discharge of pilot oil and an external oil return control port T. Upgrade to E2 for an additional port Y. Experience innovation with E3, featuring a 2-position 3-way magnetic ball valve, elevating your system's pressure to safety valve levels when powered, ensuring exceptional performance and reliability.
E4 shares similarities with E1, featuring an internal discharge of pilot oil and a sealed port T. E5 mirrors E2, offering internal discharge capabilities. E6, with its advanced design similar to E3, promises superior discharge control, ensuring optimal system efficiency and performance.
(17) Control voltage and anti-explosion cable options: Strengthen your system's safety and reliability with our comprehensive range of tailored solutions. Choose G12-12VDC for specialized applications demanding utmost safety and compatibility without compromise.G24: The ultimate choice for robust performance and steadfast reliability across various applications.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Optimize your strategic selections with these options, crafted for maximum efficiency and adaptability in demanding environments.12: This symbol of precision and reliability is crafted for seamless integration into your systems, ensuring impeccable performance.bb621436: The epitome of excellence, representing a benchmark in our innovative design and commitment to quality.
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.
Question:1. What about the lead time?
Answer:Typically, the lead time for production spans approximately one month after payment is received. During this crucial timeframe, we engage in meticulous preparations and uphold our rigorous quality control processes. Our dedicated approach ensures that each product reaches you in impeccable condition, reflecting our unwavering commitment to achieving your utmost satisfaction through flawless delivery.
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Answer: We proudly offer a remarkably low minimum order quantity, presenting you with the opportunity to order as little as a single piece for sample verification. This exceptional flexibility allows you to embark on your projects with utmost ease and precision, effortlessly accommodating your exclusive requirements and ensuring your complete satisfaction.
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