Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These extraordinary engineering achievements epitomize hydraulic innovation, effortlessly melding pressure, flow, and directional control into a singular, harmonious masterpiece. This ensures unsurpassed performance and reliability in every application. Typically comprising three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously designed for seamless integration into high-end hydraulic systems, integral to premier engineering machinery. They adeptly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unparalleled precision and control. Key highlights include an ultra-compact structure, superior energy efficiency, and the ability for smooth, stepless speed control. Furthermore, they enable multiple actuators to operate concurrently under varying loads, offering unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring robust and unwavering operation in every context. Meanwhile, the HLPSV valves are masterfully engineered for variable pump systems. Although HLPSV valves may exhibit a slightly slower response time, they excel in providing remarkable energy-saving performance, making them the ultimate choice for applications where efficiency is of utmost importance. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the premier solution for sophisticated hydraulic control requirements, offering an ideal fusion of precision, reliability, and 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 - The keystone of reliability, delivering consistent and steadfast performance to ensure smooth and efficient operations throughout your system.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework::
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to seamlessly meet your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing it when unpowered;D/F - Discover a new echelon of safety and reliability with our precision-engineered pressure limiting valve, meticulously designed for secondary pressure (F50) with a pre-set pressure value. This state-of-the-art feature elevates your operational security, ensuring unparalleled protection and steadfast reliability in every application.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unleash the power of versatility with our adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This high-performance component epitomizes adaptability, meeting all your hydraulic demands with precision. For streamlined solutions, /NF denotes a configuration devoid of a pressure limiting valve, expertly tailored for HLPSV, assuring impeccable pressure management across a multitude of applications.
(7) Product Series Classification - The Pinnacle of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to engineering brilliance, crafted to suit every application, ensuring you acquire a product that is perfectly aligned 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 complementary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly crafted for flawless and effortless integration.
(9)Directional valve block inflow controller options: Choose from our extensive range: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each providing precision and exceptional efficiency.
(10) Valve core function symbols: Explore our comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each thoughtfully engineered to satisfy specific functional requirements.
(11) Output flow code for ports A & B: Optimize your system's efficiency with our array of peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for outstanding performance and dependability.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, concurrent pressure limitation at actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all calibrated in bar to ensure absolute system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your control 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 crafted for precise control and optimal functionality.
(14) Operation modes: Select from a diverse array of operation modes: A(1,2), manual operation with the choice of long or short handle; E, electric proportional control; EA(1,2), integrating electric proportional control with manual operation; D, electric switching value control; DA(1,2), combining electric switching value control with 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, expertly crafted for comprehensive and precise control.
(15) Ancillary Block Port Sizes: Explore our versatile range of ancillary block port sizes, meticulously crafted for effortless adaptability and integration into your systems. Select from these precision-engineered options: /2 G3/8, /3 G1/2, /4 G3/4, /5 G1. Each size is expertly designed to ensure seamless compatibility and performance enhancement.
(16) End Plate Options: Experience the epitome of customization with our finely crafted end plate solutions. E1 presents the standard configuration, featuring an external discharge of pilot oil complemented by an external oil return control port T. E2 elevates this design with an added port Y for enhanced functionality. E3 stands out with a 2-position 3-way magnetic ball valve, ingeniously raising your system's pressure to safety valve standards when energized.
End Plate Variants: E4 closely mirrors E1 but boasts an innovative internal discharge of pilot oil with a fully sealed port T. E5 mirrors the enhancements of E2, also incorporating internal discharge capabilities. E6 is a sophisticated counterpart to E3, each design variant guaranteeing superior discharge control and operational excellence.
(17) Control Voltage and Anti-Explosion Cable Options: Secure your operations with our range of control voltage and anti-explosion cable options, precisely designed for demanding applications. Choose the G12-12VDC for unparalleled safety and specialization.G24: Offering robust compatibility and safety features for your operational needs.- : A versatile option ensuring seamless integration across systems.24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Explore our comprehensive selection, each option meticulously engineered for optimal safety and performance.12: Designed for specialized applications, providing precision and reliability.bb621436: A code representing our commitment to quality and innovation in hydraulic control systems.
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.
For our enhanced Safety Atex Valve, the flagship product, the load-sensitive proportional valve, epitomizes 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 timeframe, we initiate a thorough process of preparation and uphold stringent quality control measures. Our dedication to excellence ensures that each product arrives in impeccable condition, perfectly aligned with your expectations. Your satisfaction with our flawless delivery is our unwavering commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer a remarkably low minimum order quantity, allowing you to conveniently order as little as a single piece for sample verification. This adaptability facilitates your project initiation with exceptional ease and precision, perfectly catering to your unique requirements.
Question:3. How to proceed with an order for LED lights?
Answer: Commence your order process by conveying your specific requirements or desired applications to us. We will then provide you with a tailored quote, meticulously crafted to meet your unique needs or guided by our expert advice. After finalizing the drawings and placing a deposit, we will formalize the order and begin production. We guarantee adherence to every specification with precision, ensuring a seamless and bespoke solution perfectly suited 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 you formally notify us prior to production commencement and confirm the design based on the sample we provide. This ensures that your branding is represented with unparalleled precision and excellence, capturing your identity flawlessly.
){kind=link}