Experience a revolution in hydraulic solutions with our pioneering HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not mere components; they epitomize a symphony of engineering brilliance, showcasing the pinnacle of innovative hydraulic technology. By seamlessly integrating pressure, flow, and directional control into one cohesive entity, these valves deliver unmatched performance and dependability in every application. Comprising three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for integration into high-end hydraulic systems, which are vital for top-tier engineering machinery. They expertly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing exceptional precision and control. Noteworthy features include a sleek, compact design, remarkable energy efficiency, and the capability for stepless speed control. Furthermore, they enable multiple actuators to operate simultaneously under varying loads, providing unparalleled performance and versatility for any application.
HLPSL valves are precisely designed for constant displacement pump systems, ensuring steadfast and reliable operation in every scenario. In contrast, HLPSV valves are masterfully engineered for variable pump systems. HLPSV valves may exhibit a slightly slower response, yet their outstanding energy-saving performance distinguishes them, making them the ultimate choice when efficiency is paramount. With cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, 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 steadfast cornerstone of dependability delivers unwavering and consistent performance, ensuring seamless and efficient operations throughout your system.;
HLPSV: Variable Displacement Pump - The epitome of versatility and adaptability, this pump offers exceptional flexibility to cater to a wide spectrum of operational requisites.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability converge to create a steadfast operational framework::
2-G3/8; Crafted for compact efficiency, it is designed to support smooth and uninterrupted operational flows.
3-G1/2; Engineered for robust performance and dependability, offering a solid foundation for your system's integrity.;
4-G3/4; Featuring cutting-edge connectivity, this offers superior control and enhances system integration.;
5, 55-G1; With superior flow rates, it's perfect for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering peerless performance, this component is expertly designed to thrive in challenging environments and tackle obstacles seamlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unparalleled heights::
C,Standard Type - A foundation of reliability, meticulously crafted to meet essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, thereby enhancing the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unmatched performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering bespoke pressure control solutions tailored for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering customized solutions to seamlessly align with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control:C - An innovative no magnetic ball valve solution; F - Our normally open magnetic ball valve, crafted to enable pump pressurization when powered and seamless unloading when unpowered; D - A normally closed magnetic ball valve, expertly designed to facilitate pump unloading when powered, and deliver pressurization when unpowered;D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, a pinnacle of innovation, designed specifically for secondary pressure (F50). This state-of-the-art feature guarantees unparalleled safety protocols, significantly enhancing your operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience groundbreaking versatility and precision with our customizable pressure settings ranging from 63 to 400 bar. This component exemplifies unmatched adaptability, fully accommodating a diverse array of hydraulic requirements. For seamless 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, 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: 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, each delivering precision and exceptional efficiency.
(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.
(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 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 meticulously engineered for precise control and functionality.
(14) Operation modes: Discover unparalleled versatility with our extensive range of operation modes, meticulously engineered for both precision and adaptability. Choose from A(1,2) for manual operation, with options for long or short handles. Opt for E, offering electric proportional control, or the integrated EA(1,2), combining electric control with manual finesse. Embrace D for electric switching value control, or DA(1,2) for an innovative blend of electric control with manual versatility. For manual friction positioning, M features a long handle, while H delivers pure hydraulic control with aligned pilot oil ports. Lastly, experience F, offering pure hydraulic control with perpendicular pilot oil ports, each designed for comprehensive and exacting control.
(15) Ancillary block port sizes: Experience the epitome of precision with our advanced port size options, crafted for seamless adaptability and effortless integration into your systems. Select from G3/8, G1/2, G3/4, and G1, each expertly designed to offer maximum flexibility and engineered to meet your precise requirements with exceptional efficiency.
(16) End plate options: Dive into our exclusive range of end plate solutions, meticulously designed for exceptional performance. E1 serves as the standard choice, featuring an external discharge of pilot oil and an external oil return control port T. Step up to E2 for enhanced functionality, providing an additional port Y. Embrace the innovation of E3, which incorporates a 2-position 3-way magnetic ball valve, elevating your system's pressure to the highest safety valve levels when powered, ensuring superior performance and reliability.
E4: Designed similar to E1, this variant offers an internal discharge of pilot oil with a sealed port T. E5 enhances E2's features with internal discharge capabilities. Experience the futuristic design of E6, echoing the advancements of E3. Each variant is crafted to deliver superior discharge control, ensuring your system operates at peak efficiency and maximum performance.
(17) Control voltage and anti-explosion cable options: Secure your system's utmost safety and reliability with our extensive array of tailored solutions. Choose G12-12VDC for applications that require absolute safety and seamless compatibility without any compromise.G24: The epitome of robust performance and unwavering reliability, designed for those who demand excellence.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Enhance your strategic choices with these meticulously designed options, crafted for optimal efficiency and adaptability in a variety of challenging environments.12: A hallmark of precision and reliability, meticulously crafted for seamless integration into your systems.bb621436: The embodiment of excellence, setting a benchmark in our innovative design and engineering prowess.
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.
Inquiries:1. What about the lead time?
Response:Typically, the production lead time is around one month post-payment. Within this period, we engage in meticulous preparation and stringent quality assurance protocols, ensuring each product reaches you in perfect condition. Delivering flawless products for your utmost satisfaction is our unwavering commitment.
Inquiries:2. Do you have any MOQ limit for LED light orders?
Response: We offer an exceptionally low minimum order quantity, allowing you the flexibility to order as little as one piece for sample evaluation. This adaptability ensures you can commence your projects with ease and precision, perfectly aligning with your specific needs.
Inquiries:3. How to proceed with an order for LED lights?
Response: Initiate the process by sharing your detailed requirements or intended applications with us. We then provide a customized quote tailored to your needs or based on our expert advice. Upon finalization of drawings and deposit payment, we confirm the order and begin production. We adhere strictly to specifications, ensuring a seamless and bespoke solution tailored uniquely for you.drawings,and place a deposit to confirm the order. We then organize production, ensuring every detail is flawlessly executed for a seamless, custom solution.
Inquiries:4. Is it OK to print my logo on the product?
Response: Absolutely, this is entirely possible. Please ensure you notify us before production starts and confirm the design with the sample we provide. This ensures your branding is presented with exquisite precision and excellence, capturing your identity perfectly.
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