Behold the dawn of a new era in hydraulic solutions with our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not just components; they are a symphony of engineering brilliance, the apex of innovative hydraulic technology. Seamlessly integrating pressure, flow, and directional control into a singular, harmonious entity, these valves ensure unparalleled performance and reliability in every endeavor. Comprising three fundamental functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously engineered for incorporation into elite hydraulic systems, which are indispensable for premier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision and control. Standout features include a sleek, compact design, outstanding energy efficiency, and the capability for stepless speed control. Furthermore, they empower multiple actuators to operate concurrently under varying loads, offering unmatched performance and versatility for any application.
The HLPSL valves are expertly crafted for constant displacement pump systems, ensuring steadfast and reliable operation in every scenario. Meanwhile, the HLPSV valves are masterfully designed for variable pump systems. While HLPSV valves may display a slightly slower response time, their exceptional energy-saving performance sets them apart, making them the ultimate selection when efficiency is of utmost importance. With state-of-the-art engineering and energy-efficient design, HLPSV valves rise to the top as the premier solution for advanced hydraulic control needs, offering a flawless combination 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 - A rock-solid pillar of reliability, delivering unwavering and consistent performance. It ensures seamless and efficient system operations, maintaining the operational excellence you demand.;
HLPSV: Variable Displacement Pump - The ultimate expression of versatility, offering unparalleled adaptability. This pump can meet a wide range of operational requirements, providing exceptional flexibility.;
(2) Connection Block Ports P & R Specifications - A perfect blend of precision and reliability, creating a steadfast operational framework for your system::
2-G3/8; Designed for compact efficiency, it supports smooth and uninterrupted operational flows, enhancing system functionality.
3-G1/2; Built for robust performance, this component ensures dependability and a solid foundation for your system's integrity.;
4-G3/4; With state-of-the-art connectivity, it offers superior control and enhances system integration, pushing boundaries.;
5, 55-G1; Perfect for high-demand applications with superior flow rates, ensuring consistent and reliable performance every time.;
6-G1 1/4; This component guarantees peerless performance, expertly designed for challenging environments to tackle obstacles seamlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A foundation of unwavering reliability, meticulously crafted to meet all essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensuring precision control, it enhances the system's overall efficiency with exacting standards.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management for unmatched performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering bespoke pressure control solutions tailored precisely for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); These offer customized solutions, ensuring seamless alignment with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Maximizing efficiency and control for superior system performance:C - No magnetic ball valve; F - Normally open magnetic ball valve, which efficiently enables pump pressurization when powered, and allows for unloading when unpowered; D - Normally closed magnetic ball valve, expertly facilitating pump unloading when powered, and ensuring pressurization when unpowered;D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, meticulously designed for secondary pressure (F50). This state-of-the-art feature guarantees adherence to advanced safety protocols, significantly enhancing both operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience groundbreaking versatility and precision with customizable pressure settings, ranging from 63 to 400 bar. This component exemplifies adaptability, fully accommodating a diverse range of hydraulic requirements. For seamless configurations, /NF indicates no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across a wide spectrum 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 to meet diverse applications, providing you with a product that aligns seamlessly with 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, engineered with precision for seamless integration and operation.
(9)Directional valve block inflow controller options: Select from a diverse array of options that ensure precision and exceptional efficiency: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, designed specifically for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options.
(10) Valve core function symbols: Discover a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to fulfill specific functional requirements with unmatched precision.
(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, expertly designed to provide superior performance and unmatched reliability.
(12) Secondary pressure limitation options: Choose from a selection ensuring uncompromised system safety: 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.
(13) Function ON/OFF and pressure outlet options: Customize your system with a variety of options, each meticulously engineered for precise control and functionality: 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.
(14) Operation modes: Immerse in an extensive selection of meticulously designed operation modes, each crafted for ultimate precision and control. Choose from: A(1,2) - manual operation, offering customizable long or short handle options for tailored control; E - electric proportional control for seamless adjustments; EA(1,2) - a hybrid of electric proportional control and manual operation for dynamic versatility; D - electric switching value control for swift responsiveness; DA(1,2) - a blend of electric switching value control with manual operation for unmatched adaptability; M - manual friction positioning with a long handle for steady control; H - pure hydraulic control with pilot oil ports aligned with oil ports A and B for straightforward operation; F - pure hydraulic control with perpendicular pilot oil ports for flexible configurations. Each mode is designed to deliver comprehensive and precise control to meet your unique needs.
(15) Ancillary block port sizes: Experience unparalleled precision with our expertly designed port size options, engineered for seamless adaptability and integration. Select from a finely crafted range: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option is tailored to provide unmatched flexibility and efficiency, catering to your specific requirements and enhancing system performance.
(16) End plate options: Explore our outstanding collection of custom-designed end plate solutions. E1 sets the standard with its external discharge of pilot oil and an external oil return control port T. Upgrade to E2 for an additional port Y, enhancing system functionality. Discover the innovative E3, which incorporates a 2-position 3-way magnetic ball valve, elevating your system's pressure to safety valve levels when energized for superior performance and reliability.
E4, akin to E1, offers a distinctive internal discharge of pilot oil with a sealed port T. E5 parallels E2's excellence, enhanced with internal discharge capabilities. E6, echoing E3's advanced design, represents the future of superior discharge control, ensuring your system operates with peak efficiency and performance.
(17) Control voltage and anti-explosion cable options: Enhance your system's safety and reliability with our comprehensive selection of solutions. Choose G12-12VDC for specialized applications requiring uncompromised safety and compatibility, providing peace of mind in demanding environments.G24: Your trusted choice for robust performance and solid reliability, designed to deliver unwavering results where it matters most.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Optimize your strategic selections with these options, engineered for superior efficiency and adaptability across various challenging environments.12: A hallmark of precision and reliability, meticulously designed for seamless integration into your systems, ensuring impeccable performance.bb621436: The epitome of excellence, encapsulating the benchmark in our cutting-edge design. Embrace innovation and superior design standards with this code of excellence.
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 Valve System, 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:The typical lead time for production is approximately one month post-payment. Throughout this period, we engage in comprehensive preparations while maintaining rigorous quality control. This dedication ensures that every product is delivered to you in perfect condition, reflecting our unwavering commitment to your complete satisfaction through impeccable delivery.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer an exceptionally low minimum order quantity, enabling you to conveniently order as few as a single piece for sample verification. This flexibility empowers you to launch your projects with unmatched ease and accuracy, precisely catering to your unique requirements effortlessly.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate your order by conveying your detailed requirements or intended applications to us. We will create a personalized quote tailored to your specific needs or with our expert recommendations. After the drawings are finalized and a deposit is made, we will formalize the order and commence production. We guarantee precision in every specification, ensuring a smooth and customized solution crafted exclusively for you.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, ensuring every detail is flawlessly executed for an unparalleled and personalized solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is indeed possible. Please ensure you inform us prior to production and confirm the design using the sample we provide. This ensures your branding is portrayed with exceptional accuracy and excellence, perfectly embodying your identity.
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