Welcome to a new epoch in hydraulic excellence with our revolutionary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These marvels are more than mere components; they are a masterpiece of engineering innovation, representing the pinnacle of hydraulic technology. By seamlessly integrating pressure, flow, and directional control into one cohesive and harmonious unit, these valves deliver unparalleled performance and reliability in any application. Meticulously composed of three core functional modules - connecting blocks, directional valves, and end plates - these valves are engineered with precision for seamless integration into top-tier hydraulic systems, essential for the most demanding engineering machinery. They expertly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering precision and control like never before. Their standout features include a sleek and compact design, superior energy efficiency, and the ability to provide stepless speed control. Moreover, they enable multiple actuators to operate simultaneously under different loads, offering unmatched versatility and performance for any task.
The HLPSL valves are expertly designed for constant displacement pump systems, ensuring steadfast and reliable operation in every situation. In contrast, the HLPSV valves are crafted with precision for variable pump systems. Although HLPSV valves might exhibit a slightly slower response time, their outstanding energy-saving performance distinguishes them, making them the go-to choice when efficiency is paramount. With cutting-edge engineering and an energy-efficient design, HLPSV valves emerge as the ultimate solution for sophisticated hydraulic control requirements, providing an unbeatable 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 - A pillar of unwavering reliability, this pump ensures your system operates with seamless precision and efficiency, delivering constant, dependable performance.;
HLPSV: Variable Displacement Pump - The embodiment of versatility, this pump adapts effortlessly to a diverse array of operational demands, offering unparalleled flexibility.;
(2) Connection Block Ports P & R Specifications - Precision and reliability fused to form a sturdy operational backbone::
2-G3/8; Designed for compact excellence, this port facilitates smooth, uninterrupted operations.
3-G1/2; Built for robust and reliable performance, this port fortifies your system's structure.;
4-G3/4; Featuring advanced connectivity, this port enhances system integration and offers superior control.;
5, 55-G1; Ideal for high-demand scenarios with its superior flow rates, ensuring consistent, dependable performance.;
6-G1 1/4; Designed for challenging conditions, this component excels in performance, navigating obstacles effortlessly.;
(3) Additional Components and Specifications - Enhancing system capabilities beyond conventional limits::
C,Standard Type - A reliability cornerstone, meticulously engineered to meet foundational operational requirements.;
G,Throttle Valve (For HLPSL only) - Promotes precision control, significantly boosting overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Drives optimal flow management, ensuring peerless performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure control solutions for diverse application needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Customizable solutions to precisely match your unique operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Boosting efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, and pressurizing when unpowered;D/F - Elevate your safety standards to new heights with our precision-engineered pressure limiting valve, meticulously designed for secondary pressure (F50). This state-of-the-art feature guarantees the implementation of advanced safety protocols, significantly enhancing operational security and reliability, ensuring peace of mind with every use.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unparalleled versatility and precision with customizable pressure settings spanning from 63 to 400 bar. This component embodies adaptability, perfectly accommodating a diverse array of hydraulic requirements. For seamless and efficient configurations, /NF denotes 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, meticulously crafted to meet diverse application needs, providing you with a product that aligns seamlessly with your precise requirements.
(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, meticulously engineered for seamless integration and optimal operation.
(9)Directional valve block inflow controller options: Choose from a diverse array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, specifically designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and exceptional efficiency.
(10) Valve core function symbols: Explore a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered 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, expertly designed to provide 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 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 meticulously engineered for precise control and flawless functionality.
(14) Operation modes: Select from a diverse 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 designed for comprehensive and precise control.
(15) Ancillary block port sizes: Unleash the power of precision with our meticulously crafted port size options, engineered for seamless adaptability and integration. Choose from expertly designed selections: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each provides the pinnacle of flexibility, tailored to meet your exact requirements with unmatched efficiency.
(16) End plate options: Immerse yourself in our exceptional portfolio of finely tailored end plate solutions. E1 stands as the standard bearer, featuring an external discharge of pilot oil and an external oil return control port T. Elevate to E2 for an enhanced experience, offering an additional port Y. Discover the cutting-edge innovation of E3, which integrates a 2-position 3-way magnetic ball valve. This elevates your system's pressure to the pinnacle of safety valve levels when powered, ensuring unparalleled performance and reliability.
E4, akin to E1, distinguishes itself with an internal discharge of pilot oil and a sealed port T. E5 mirrors E2's excellence, now with internal discharge capabilities. Step into the future with E6, echoing the advanced design of E3. Each variant promises superior discharge control, ensuring your system operates with peak efficiency and performance.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and reliability with our comprehensive array of tailored solutions. Opt for G12-12VDC, ideal for specialized applications that demand absolute safety and compatibility without compromise.G24: Your go-to choice for robust performance and unwavering reliability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Enhance your strategic selections with these options, designed for maximum efficiency and adaptability in various demanding environments.12: A symbol of precision and reliability, tailored for impeccable integration into your systems.bb621436: The code of excellence representing a benchmark in our innovative design.
Since its 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 under the renowned China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise is deeply embedded in the meticulous research, development, manufacturing, and sales of premium hydraulic components. We are honored with the esteemed designation of a national 'specialized, refined, and innovative' small giant enterprise, which underscores our unwavering commitment to technological advancement and superior quality. It is this relentless dedication that has positioned us as frontrunners in our field, driving progress with each innovation.
Our enhanced Safety Atex Valve, the flagship product, epitomizes the pinnacle of advanced hydraulic system control. This expertly engineered component is designed for construction machinery and heavy-duty equipment, playing a crucial role in 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. Guided 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 delivering exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence across the world.
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.
Question:3. How to proceed with an order for LED lights?
Answer: Begin the process by communicating your detailed requirements or intended applications to us. We will then craft a tailored quote specifically for you, either based on your unique needs or through our seasoned advice. Once the drawings are finalized and a deposit is made, we will formalize the order and initiate production. We promise adherence to every specification with precision, ensuring a seamless and bespoke solution just for you.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, guaranteeing that every detail is executed to perfection for a seamless and tailored solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is certainly feasible. Kindly ensure that you formally notify us prior to the commencement of production and confirm the design based on the sample we provide. This guarantees that your branding is represented with unparalleled precision and excellence, perfectly capturing your identity.
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