Behold the onset of a revolutionary dawn in hydraulic technology with our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These components transcend mere functionality, embodying a masterful fusion of engineering brilliance with state-of-the-art hydraulic innovation. By harmoniously merging pressure, flow, and directional control into one unified, cohesive system, our valves deliver unparalleled performance and steadfast reliability across all applications. Meticulously crafted, they comprise three essential functional modules: connecting blocks, directional valves, and end plates, each designed with precision to seamlessly integrate into elite hydraulic systems, vital for premier engineering machinery. These valves expertly regulate the directional movement and speed of hydraulic cylinders, motors, and other actuators, ensuring unmatched precision and control. Standout features include a sleek, compact design, exceptional energy efficiency, and the capability for stepless speed modulation. Additionally, they enable multiple actuators to operate concurrently under varied loads, providing unmatched performance and versatility across a spectrum of applications.
The HLPSL valves are astutely engineered for constant displacement pump systems, ensuring unwavering, dependable performance in any situation. In contrast, the HLPSV valves are meticulously designed for variable pump systems. Although they might respond at a slightly reduced pace, HLPSV valves excel with their remarkable energy-saving properties, making them the quintessential choice when efficiency is of the utmost importance. With cutting-edge engineering and eco-friendly design, these valves emerge as the ultimate solution for advanced hydraulic control needs, harmoniously blending immaculate precision, reliability, and energy efficiency into one seamless package.
| 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 resilient titan of performance reliability provides unwavering, consistent delivery, ensuring seamless and effective operations across your entire system.;
HLPSV: Variable Displacement Pump - The quintessential model of versatility and adaptability, this pump offers unparalleled flexibility to meet a wide array of operational demands with exceptional ease.;
(2) Connection Block Ports P & R Specifications - Where precision engineering meets reliability to form an enduring operational framework::
2-G3/8; Designed with compact efficiency in mind, it ensures smooth and unhindered operational flows.
3-G1/2; Crafted for robust performance and dependability, providing a strong foundation for sustaining your system's integrity.;
4-G3/4; With state-of-the-art connectivity, it offers superior control and enhances system integration seamlessly.;
5, 55-G1; With outstanding flow rates, it's ideal for high-demand applications, delivering consistent and reliable outcomes.;
6-G1 1/4; Offering unmatched performance, this component is expertly crafted to excel in challenging environments, overcoming obstacles effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights of excellence::
C,Standard Type - A bastion of reliability, meticulously engineered to fulfill essential operational needs with precision.;
G,Throttle Valve (For HLPSL only) - Delivers precision control, significantly enhancing the system's overall efficiency.;
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 - Providing tailored pressure control solutions to meet diverse application needs with precision:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions that seamlessly align with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control with precision:C - Experience unparalleled precision with our no magnetic ball valve configuration; F - Our cutting-edge normally open magnetic ball valve allows for pump pressurization when powered and seamlessly transitions to unloading when not powered; D - The normally closed magnetic ball valve expertly reverses the sequence, enabling pump unloading when powered and transitioning to pressurization when unpowered.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, meticulously crafted to handle secondary pressure (F50). This state-of-the-art feature guarantees advanced safety protocols, significantly enhancing operational security and reliability, ensuring peace of mind in every operation.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embrace groundbreaking versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component epitomizes adaptability, accommodating a broad spectrum of hydraulic needs. With configuration options like /NF, featuring no pressure limiting valve, you'll find meticulous solutions tailored for HLPSV, guaranteeing impeccable pressure management across a myriad of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence: Discover the future of hydraulic solutions with our expertly crafted series, designed to meet diverse applications with precision and reliability.;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as an engineering marvel, thoughtfully crafted to meet diverse applications, providing you with a product that aligns seamlessly with your specific and 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. These components are crafted with precision, engineered for flawless integration and seamless operation.
(9)Directional valve block inflow controller options: Choose 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 control and exceptional efficiency tailored to your needs.
(10) Valve core function symbols: Discover an extensive selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to fulfill specific functional requirements with impeccable precision.
(11) Output flow code for ports A & B: Maximize operational efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each expertly designed to deliver superior performance and reliability for your hydraulic systems.
(12) Secondary pressure limitation options: Choose from options like: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B. Each option is measured in bar, ensuring uncompromised system safety and optimal functionality.
(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 meticulously engineered for precise control and exceptional functionality.
(14) Operation modes: Explore our diverse array of operation modes, each meticulously designed to deliver dynamic and precise control for any requirement. Choose from: A(1,2), offering manual operation with an optional long or short handle; E, providing sophisticated electric proportional control; EA(1,2), blending electric proportional control with manual operation; D, focusing on electric switching value control; DA(1,2), merging electric switching value control with manual functionality; M, featuring manual friction positioning with a long handle; H, delivering pure hydraulic control by aligning pilot oil ports with oil ports A and B; F, offering pure hydraulic control with perpendicular pilot oil ports. Each mode is crafted for comprehensive excellence in operation.
(15) Ancillary block port sizes: Enhance your systems with our impeccably crafted port size solutions. Our expertly designed options include /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each delivers exceptional adaptability and seamless integration, tailored to meet your specific needs with outstanding efficiency and performance.
(16) End plate options: Discover our remarkable suite of end plate innovations, each precisely crafted to elevate your system's functionality. E1 sets the benchmark with external pilot oil discharge and an external oil return control port T. E2 elevates functionality with an additional port Y. E3 introduces a 2-position 3-way magnetic ball valve, boosting the system's pressure to safety valve standards when energized, ensuring superior performance and reliability.
E4, paralleling E1, features an internal pilot oil discharge and a sealed port T. E5 reflects E2's excellence, now with internal discharge capabilities. E6, mirroring E3's innovative design, ensures advanced technology implementation. Each variant provides superior discharge control, assuring your system's optimal performance and peak efficiency.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and dependability with our extensive selection of expertly customized solutions. Select G12-12VDC, ideal for applications that require uncompromising safety and compatibility.G24: The pinnacle of steadfast performance and unyielding reliability, ensuring your system operates with flawless consistency.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Elevate your strategic choices with these expertly engineered options, designed for maximum efficiency and adaptability across challenging environments.12: A testament to precision and dependability, each solution is crafted for seamless integration and flawless operation within your systems.bb621436: The hallmark of excellence, setting a new standard in our innovative designs.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has not merely participated, but has truly 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:Our standard lead time for production is approximately one month following the receipt of payment. During this essential timeframe, we dedicate ourselves to thorough preparation and rigorous quality control to ensure that each product arrives to you in flawless condition. We are steadfast in our commitment to delivering exceptional results, reflecting our dedication to your utmost satisfaction with every single delivery.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We are delighted to offer an extremely low minimum order quantity, allowing you the unparalleled advantage of ordering just one piece for sample verification. This remarkable flexibility enables you to seamlessly initiate your projects, catering specifically to your unique requirements with unmatched ease and precision.
Question:3. How to proceed with an order for LED lights?
Answer: To start your order, please communicate your precise requirements or intended applications to us. We will then carefully prepare a customized quote tailored just for you, based on either your detailed specifications or our expert recommendations. After the design drawings are approved and a deposit is made, we will confirm the order and begin production. Rest assured, every detail will be met with exacting standards, providing you with a seamless, personalized solution that aligns perfectly with your vision.drawings,and place a deposit to formalize the order. Eventually, we will initiate production, ensuring that every intricate detail is executed flawlessly for a bespoke and tailored solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is entirely feasible. Kindly inform us formally before the commencement of production and confirm the design based on the sample we provide. This will ensure that your brand is represented with exceptional precision and excellence, perfectly capturing your identity.
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