Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. Embrace the future of hydraulic innovation with these revolutionary engineering marvels, the epitome of cutting-edge technology. Our valves seamlessly integrate pressure, flow, and directional control into a singular, harmonious masterpiece, ensuring unparalleled performance and steadfast reliability in every application. Crafted with precision, these valves typically comprise three essential functional modules: connecting blocks, directional valves, and end plates. They are meticulously designed for incorporation into high-end hydraulic systems, a cornerstone for top-tier engineering machinery. Our valves precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control over every nuance. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Furthermore, they empower multiple actuators to operate simultaneously under varying loads, offering unrivaled performance and versatility for an extensive range of applications.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every setting, no matter the demand. In contrast, the HLPSV valves are masterfully engineered for variable pump systems. Though HLPSV valves may exhibit a slightly slower response time, they are unparalleled in delivering exceptional energy-saving performance. This makes them the ultimate choice for applications where efficiency is paramount. Embrace the future with their cutting-edge engineering and energy-efficient design, as HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering a perfect blend 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 - Elevate your safety standards with our precision-engineered pressure limiting valve, designed specifically for secondary pressure (F50) at a meticulously defined value. This state-of-the-art feature ensures that your operations are not only secure but also enjoy enhanced reliability, embodying the pinnacle of advanced safety measures.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unleash the power of versatility and precision with our adjustable settings, available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component is a symbol of adaptability, ready to meet all your hydraulic demands. For configurations that need streamlining, /NF indicates the absence of a pressure limiting valve, exquisitely crafted for HLPSV, ensuring impeccable pressure management across a multitude of applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a magnum opus, precisely designed to cater to every application, guaranteeing you receive a product that aligns flawlessly with your specific 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, designed with precision for effortless and seamless integration.
(9)Directional valve block inflow controller options: Explore a diverse range: 1, without inflow controller; 2, standard inflow controller; 4, a sophisticated 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, superior inflow controller; 8, pre-selectable options, each offering precision and exceptional efficiency.
(10) Valve core function symbols: Discover an extensive range of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill specific functional demands with finesse.
(11) Output flow code for ports A & B: Attain peak efficiency with available peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for outstanding 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, guaranteeing uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your controls 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 crafted for precise control and functionality.
(14) Operation modes: Choose from a variety 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), a combination of 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 designed for comprehensive and precise control.
(15) Ancillary block port sizes: Select from a versatile array of options designed for ultimate adaptability and seamless integration: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each size is expertly crafted to meet your specific needs for enhanced performance.
(16) End plate options: Explore our custom end plate solutions meticulously designed for precision and efficiency: E1 offers external discharge of pilot oil and an external oil return control port T as standard; E2 builds on E1's foundation with an added port Y, providing more flexibility; E3 elevates your system with a 2-position 3-way magnetic ball valve, enabling pressure elevation to safety valve standards when activated, ensuring superior operational safety.
E4, akin in design to E1, ingeniously integrates an internal discharge of pilot oil with a sealed port T for enhanced safety; E5 mirrors E2's capabilities with internal discharge features; E6 showcases the sophistication of E3, each version delivering advanced discharge control tailored for optimal efficiency.
(17) Control voltage and anti-explosion cable options: Select from a secure and compatible range like G12-12VDC, explicitly designed for safety and specialization in demanding applications.G24 - Offering versatile voltage options for various settings.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G - Each option engineered for robust performance and reliability.12 - Providing dependable and efficient power solutions.bb621436 - Ensuring unmatched product identification and authenticity.
Since our 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 of the renowned 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, 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 indispensable 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 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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