Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These extraordinary engineering marvels epitomize the zenith of hydraulic innovation, ingeniously merging pressure, flow, and directional control into one seamless masterpiece. The result is unmatched performance and dependability in every application. Comprising three vital functional modules - connecting blocks, directional valves, and end plates - these valves are exquisitely designed for integration into high-end hydraulic systems, indispensable for premium engineering machinery. They expertly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing precision and control that is second to none. Noteworthy features include a compact structure, exceptional energy efficiency, and the capability for stepless speed control. Furthermore, they enable multiple actuators to function in unison under various loads, ensuring performance and versatility that is unmatched in any application.
The HLPSL valves are meticulously tailored for constant displacement pump systems, guaranteeing steadfast and reliable operation in all environments. Conversely, the HLPSV valves are masterfully crafted for variable pump systems. Although HLPSV valves may have a marginally slower response time, they excel in delivering remarkable energy-saving performance, making them the ideal choice when efficiency is crucial. With their state-of-the-art engineering and energy-efficient design, HLPSV valves are 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 - The keystone of reliability, delivering consistent and steadfast performance to ensure smooth and efficient operations throughout your system. This pump is engineered to maintain unwavering performance standards, providing the backbone for seamless system functionality.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements. This pump excels in adjusting to dynamic demands, perfect for systems requiring diverse operational capabilities.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework. These specifications are crafted to ensure a faultless interface, promoting a seamless integration and dependable functionality::
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows. This specification guarantees efficient space utilization and operational effectiveness.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity. It ensures steadfast durability while maintaining optimal performance.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration. This is tailored for high-efficiency applications requiring precise control.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance. This specification is crucial for systems that require maximum throughput and efficiency.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly. It is suited for operations that require robust performance under challenging conditions.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights. These components are designed to push the boundaries of operational excellence, ensuring your system's peak performance::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements. It forms the cornerstone for developing efficient and effective systems.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system. This valve ensures meticulous operation management, optimizing system performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability. It facilitates superior pressure regulation, enhancing system reliability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications. These options are tailored to provide precise pressure modulation to suit varied operational needs: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, these configurations ensure optimal pressure control for any scenario.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control. These valves are crafted to refine operational efficiency and control, ensuring optimal system performance: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 configuration is developed to provide specific operational benefits, allowing tailored control for your system's needs.D/F - At the heart of our innovative safety system lies a precision-engineered pressure limiting valve, specifically designed for secondary pressure (F50) with a precise pressure value. This avant-garde feature ensures top-tier safety protocols, significantly elevating the operational security and reliability of our truck crane control systems.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unlock unparalleled versatility and precision with adjustable pressure settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. A testament to adaptability, this component addresses all hydraulic demands flawlessly. For streamlined configurations, /NF signifies the absence of a pressure limiting valve, meticulously crafted for HLPSV, ensuring meticulous pressure management across various applications.
(7) Product Series Classification - A Testament to Engineering Brilliance:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a paragon of exceptional design, expertly calibrated to meet every specific application, ensuring you receive a product tailored precisely to your unique requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Accompanied by ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered for flawless and seamless integration.
(9)Directional valve block inflow controller options: Choose from a diverse array: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering outstanding precision and unparalleled efficiency.
(10) Valve core function symbols: Explore a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each precisely designed to meet specific functional requirements with precision.
(11) Output flow code for ports A & B: Achieve peak efficiency with available output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each tailored for superior performance and steadfast reliability.
(12) Secondary pressure limitation options: Select 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 precisely measured in bar, ensuring unwavering system safety.
(13) Function ON/OFF and pressure outlet options: Personalize 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 optimal control and 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 blend of electric proportional control and manual operation; D, electric switching value control; DA(1,2), a fusion of 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, crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Discover the versatility of our expertly crafted options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These are meticulously engineered for flawless adaptability and seamless system integration, ensuring a perfect fit for your operational needs.
(16) End plate options: Explore our exquisite selection of end plate solutions tailored to your precise requirements. E1, the standard bearer, offers an external discharge for pilot oil and an external oil return control port T; E2 builds on E1's excellence by incorporating an additional port Y for enhanced utility; E3, featuring a 2-position 3-way magnetic ball valve, takes your system's pressure management to safety valve standards when activated.
E4, designed akin to E1, yet cutting-edge with an internal discharge of pilot oil and a sealed port T; E5 mirrors the innovative E2 with internal discharge capabilities; E6 encapsulates the sophistication of E3. Each model is designed to ensure superior discharge control and advanced operational efficiency.
(17) Control voltage and anti-explosion cable options: Select from our secure and tailored options like G12-12VDC, designed for optimal safety and specialization, particularly in challenging environments demanding the highest reliability.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, exemplifies the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is indispensable 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 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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