Discover the pinnacle of hydraulic innovation with Jiangsu KM Hydraulic Control System Co., Ltd.'s Proportional Valve Solutions for Enhanced Truck Crane Safety Technology. Enter a new realm with our revolutionary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These aren't just ordinary components; they represent the quintessence of engineering mastery, a harmonious blend of advanced hydraulic technology. Seamlessly merging pressure, flow, and directional control into one unified, elegant solution, these valves promise extraordinary performance and unwavering dependability in every application. Constructed of three essential functional modules - connecting blocks, directional valves, and end plates - these meticulously crafted valves are designed to integrate effortlessly into high-end hydraulic systems, essential for top-tier engineering machinery. They precisely control the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unrivaled precision and control. Noteworthy features include a sleek, compact design, superior energy efficiency, and the ability for stepless speed control. Additionally, they allow multiple actuators to function simultaneously under diverse load conditions, offering unparalleled versatility and performance in any scenario.
The HLPSL valves are meticulously engineered for constant displacement pump systems, guaranteeing steadfast and reliable operation under all circumstances. Meanwhile, the HLPSV valves are expertly designed for variable pump systems, offering a slightly more measured response time, but with outstanding energy-saving capabilities that set them apart. When efficiency is paramount, HLPSV valves emerge as the ultimate choice. With cutting-edge engineering and energy-conscious design, HLPSV valves stand as the premier solution for sophisticated hydraulic control requirements, delivering a seamless 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. Experience peace of mind knowing your system is powered by a pump that stands for reliability.;
HLPSV: Variable Displacement Pump - The epitome of versatility and adaptability, this pump offers exceptional flexibility to cater to a wide spectrum of operational requisites. Tailored to meet your diverse needs, it dynamically adjusts to provide optimal performance.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability converge to create a steadfast operational framework: Dive into our meticulously engineered ports, designed to elevate your system's operational prowess.:
2-G3/8; Crafted for compact efficiency, it is designed to support smooth and uninterrupted operational flows. Empower your system with components that promise seamless performance.
3-G1/2; Engineered for robust performance and dependability, offering a solid foundation for your system's integrity. Experience the blend of strength and dependability.;
4-G3/4; Featuring cutting-edge connectivity, this offers superior control and enhances system integration. Unlock advanced control capabilities for unmatched system integration.;
5, 55-G1; With superior flow rates, it's perfect for high-demand applications, ensuring consistent and reliable performance. Designed for the most demanding applications, it guarantees top-tier reliability.;
6-G1 1/4; Delivering peerless performance, this component is expertly designed to thrive in challenging environments and tackle obstacles seamlessly. Unleash the potential of components that excel in tough conditions.;
(3) Additional Components and Specifications - Elevating system capabilities to unparalleled heights: Explore the sophisticated components crafted to take your system to new heights of performance and reliability.:
C,Standard Type - A foundation of reliability, meticulously crafted to meet essential operational needs. Trust in components that deliver foundational performance with precision.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, thereby enhancing the system's overall efficiency. Achieve unparalleled system efficiency through precise control.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unmatched performance and reliability. Elevate your system's reliability with precise flow management control.;
(4) Pilot Oil Circuit Pressure Options - Delivering bespoke pressure control solutions tailored for diverse applications: Custom pressure solutions crafted to seamlessly align with your specific operational requirements.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: Discover superior control and efficiency, refined for unparalleled system performance.C - No magnetic ball valve; F - Normally open magnetic ball valve, enabling pump pressurization when powered, and unloading when unpowered; D - Normally closed magnetic ball valve, facilitating pump unloading when powered, and pressurization when unpowered;D/F - Elevate your safety standards to unprecedented heights with our precision-engineered pressure limiting valve, meticulously designed for secondary pressure (F50). This state-of-the-art feature introduces a new echelon of advanced safety protocols, significantly enhancing operational security and reliability, ensuring your operations are safeguarded with the pinnacle of engineering expertise.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience groundbreaking versatility and unparalleled precision with customizable pressure settings that span an impressive range from 63 to 400 bar. This component is the epitome of adaptability, adeptly accommodating a diverse array of hydraulic requirements. For seamless configurations, /NF signifies the absence of a pressure limiting valve, meticulously curated for HLPSV, ensuring impeccable pressure management across a vast spectrum of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence Awaits:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as an engineering marvel, masterfully crafted to meet diverse applications, providing you with a product that aligns seamlessly with your precise needs, delivering innovation and excellence at every turn.
(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, designed with precision for seamless integration, operation, and uncompromised performance.
(9)Directional valve block inflow controller options: Select from a dynamic array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, specifically tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision, exceptional efficiency, and the ultimate in performance.
(10) Valve core function symbols: Discover a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each carefully engineered to meet and exceed specific functional requirements, ensuring your systems perform with excellence.
(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 offer superior performance and unrivaled reliability, empowering your operations with maximum efficiency.
(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 meticulously measured in bar, ensuring your system's safety is uncompromised, with precision-engineered solutions.
(13) Function ON/OFF and pressure outlet options: Customize your system with precision-tailored options: 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 exact control and functionality, offering unmatched precision.
(14) Operation modes: Select from a diverse collection 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 crafted for comprehensive and precise control, ensuring your systems operate with the utmost precision and efficiency.
(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 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 time, we engage in meticulous preparation and uphold rigorous quality control processes, ensuring each product reaches you in impeccable condition. Our unwavering dedication is to deliver flawlessly, securing your utmost satisfaction.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer a remarkably low minimum order quantity, allowing you the convenience of ordering just a single piece for sample verification. This flexibility empowers you to start your projects with ease and precision, effortlessly meeting your exclusive requirements.
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Answer: Absolutely, this is feasible. Please ensure that you notify us before production begins and confirm the design based on the sample we provide. This ensures your branding is depicted with unmatched precision and excellence, perfectly capturing your identity.
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