Witness the dawn of unparalleled hydraulic innovation with our revolutionary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These aren't mere components; they represent an extraordinary fusion of engineering excellence and cutting-edge hydraulic advancements. Artfully blending pressure, flow, and directional control into a cohesive and seamless unit, these valves promise unmatched performance and steadfast reliability in every application. Consisting of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are exquisitely designed for integration into top-tier hydraulic systems, vital for premier engineering machinery. They expertly control the movement direction and velocity of hydraulic cylinders, motors, and other actuators, ensuring unparalleled precision and mastery. Key features include a sleek, compact design, superb energy efficiency, and seamless stepless speed control. Moreover, they enable multiple actuators to function simultaneously under diverse loads, offering unparalleled versatility and performance for any application.
The HLPSL valves are meticulously tailored for constant displacement pump systems, guaranteeing unwavering and dependable operation in every scenario. In contrast, the HLPSV valves are intricately crafted for variable pump systems. Although HLPSV valves may exhibit a slightly delayed response, their remarkable energy-saving capabilities distinguish them as the prime choice where efficiency is paramount. With cutting-edge engineering and an energy-efficient design, HLPSV valves ascend as the leading solution for sophisticated hydraulic control needs, delivering a perfect synthesis of precision, reliability, and energy conservation.
| 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 cornerstone of reliability ensures steadfast and consistent performance, delivering seamless and efficient operations throughout your system.;
HLPSV: Variable Displacement Pump - A paragon of versatility, this pump provides exceptional adaptability to meet a wide array of operational requirements.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, crafting a firm operational framework::
2-G3/8; Designed for compact efficiency, supporting smooth, uninterrupted operational flows.
3-G1/2; Engineered for robust performance, providing a solid foundation for systemic integrity.;
4-G3/4; Cutting-edge connectivity enhances control and system integration.;
5, 55-G1; Ideal for high-demand applications, ensuring consistent and reliable flow rates.;
6-G1 1/4; Delivers unmatched performance, designed to excel in challenging environments.;
(3) Additional Components and Specifications - Enhancing system capabilities to new heights::
C,Standard Type - A reliable foundation, meticulously crafted to fulfill essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, boosting the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, achieving unmatched performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing bespoke solutions to align seamlessly with your operational needs.
(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, 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 with our precision-engineered pressure limiting valve tailored specifically for secondary pressure (F50). This cutting-edge feature ensures advanced safety protocols, significantly boosting operational security and reliability, guaranteeing peace of mind in your hydraulic systems.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unmatched versatility and precision with adjustable pressure settings ranging from 63 to 400 bar. This component exemplifies adaptability, perfectly catering to a wide array of hydraulic needs. For seamless configurations, /NF represents no pressure limiting valve, expertly designed for HLPSV, ensuring flawless pressure management across diverse 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, crafted with precision to address diverse applications, providing you with a product that seamlessly aligns with your exact needs, ensuring optimal performance.
(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 to ensure seamless integration and smooth operation.
(9)Directional valve block inflow controller options: Choose from a rich 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, tailored for your specific hydraulic needs.
(10) Valve core function symbols: Explore an extensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional requirements, ensuring optimal performance and reliability.
(11) Output flow code for ports A & B: Achieve maximum 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 reliability in your operations.
(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 measured in bar, ensuring uncompromised system safety and enhanced operational security.
(13) Function ON/OFF and pressure outlet options: Personalize 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 carefully engineered for precise control and enhanced functionality.
(14) Operation modes: Choose from an extensive array 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), 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 exact control.
(15) Ancillary block port sizes: Experience the pinnacle of precision engineering with our expertly crafted port size selections. Our range offers seamless adaptability and integration, ensuring your systems operate at peak efficiency. Choose from our meticulously designed options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each choice is tailored to meet your specific requirements, providing unmatched flexibility and performance.
(16) End plate options: Delve into our remarkable portfolio of expertly tailored end plate solutions. E1 sets the standard with its external discharge of pilot oil and external oil return control port T. Elevate your experience with E2, featuring an additional port Y for enhanced capability. Discover the groundbreaking innovation of E3, which incorporates a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve levels when powered. This guarantees unparalleled performance and reliability.
E4, reminiscent of E1, shines with an internal discharge of pilot oil and a sealed port T. E5 mirrors the excellence of E2, now with internal discharge capabilities. Embrace the future with E6, reflecting the advanced design of E3. Each variant guarantees superior discharge control for optimal system efficiency and performance.
(17) Control voltage and anti-explosion cable options: Enhance the safety and reliability of your system with our extensive range of custom solutions. Choose G12-12VDC for specialized applications where absolute safety and compatibility are crucial.G24: The ultimate choice for robustness and unwavering reliability, ensuring robust performance across diverse applications.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Expand your strategic selection with these options, crafted for maximum efficiency and adaptability in the most demanding environments.12: An emblem of precision and reliability, meticulously designed for flawless integration into your systems.bb621436: A code synonymous with excellence, setting the benchmark in our cutting-edge design innovations.
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 carefully orchestrated period, we embark on thorough preparations and maintain stringent quality control protocols. These meticulous efforts ensure that each and every product is delivered to you in perfect condition. Our unwavering dedication to achieving your complete satisfaction through flawless delivery remains our foremost commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly provide an exceptionally low minimum order quantity, allowing you the luxury of ordering just a single piece for sample verification. This unparalleled flexibility enables you to initiate your projects with the greatest ease and utmost precision, effortlessly accommodating your distinct requirements.
Question:3. How to proceed with an order for LED lights?
Answer: To commence, convey your detailed requirements or intended applications to us. We will then devise a personalized quote tailor-made for you, either based on your specific needs or drawing from our expert advice. Once the drawings are finalized and a deposit is made, we formalize the order and initiate production. We pledge to adhere to every specification with exacting precision, ensuring a seamless and bespoke solution crafted 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. Please ensure that you formally notify us before the production starts 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 distinctive identity.
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