Step into a new era of hydraulic technology excellence with our state-of-the-art HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These components transcend ordinary functionality, showcasing a brilliant fusion of engineering mastery and the latest hydraulic innovations. By flawlessly merging pressure, flow, and directional control into a streamlined and unified unit, our valves provide unparalleled performance and steadfast reliability across a multitude of applications. Built with meticulous precision, these valves consist of three essential functional modules - connecting blocks, directional valves, and end plates - all carefully crafted for seamless integration into elite hydraulic systems, crucial for high-performance engineering machinery. They precisely regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, ensuring unmatched precision and control. Standout features include a sleek, space-saving design, exceptional energy efficiency, and the capability for smooth, stepless speed modulation. Furthermore, they enable multiple actuators to function concurrently under variable loads, delivering exceptional performance and versatility across a wide range of applications.
The HLPSL valves are expertly engineered for constant displacement pump systems, providing unwavering, dependable operations in every scenario. In contrast, the HLPSV valves are meticulously designed for variable pump systems. Although they may demonstrate a slightly slower response, HLPSV valves excel with their remarkable energy-saving features, making them the perfect choice when efficiency takes center stage. These valves, showcasing cutting-edge engineering and environmentally conscious design, emerge as the ultimate solution for advanced hydraulic control requirements, seamlessly combining flawless precision, reliability, and energy efficiency in one cohesive 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 - Discover unparalleled hydraulic precision with our No Magnetic Ball Valve. F - Enhance operational efficiency with our Normally Open Magnetic Ball Valve, providing seamless pump pressurization when powered and effortless unloading when unpowered. D - Experience optimal functionality with our Normally Closed Magnetic Ball Valve, ensuring pump unloading when powered and dependable pressurization when unpowered.D/F - Elevate your safety standards to new heights with our precision-engineered Pressure Limiting Valve, meticulously designed for secondary pressure (F50). This cutting-edge feature guarantees advanced safety protocols, significantly bolstering operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Immerse yourself in groundbreaking versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component epitomizes adaptability, fully accommodating a diverse range of hydraulic requirements. For seamless configurations, /NF denotes no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across a vast array of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents an engineering marvel, expertly crafted to meet diverse applications, providing you with a product that aligns seamlessly with your 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, engineered with precision for flawless integration and 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, specifically designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and exceptional efficiency.
(10) Valve core function symbols: Uncover a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to fulfill unique functional requirements.
(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 crafted to deliver superior 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, ensuring uncompromised system safety.
(13) Function ON/OFF and pressure outlet options: Customize your system with options like: N, no 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 functionality.
(14) Operation modes: Indulge in an extensive selection of operation modes, each masterfully designed to cater to every operational nuance: A(1,2), offering manual operation with an option for a long or short handle; E, featuring electric proportional control; EA(1,2), a seamless blend of electric proportional control and manual operation; D, showcasing electric switching value control; DA(1,2), merging electric switching value control with manual operation; M, presenting manual friction positioning with an extended handle; H, delivering pure hydraulic control through the alignment of pilot oil ports with oil ports A and B; F, embracing pure hydraulic control with perpendicular pilot oil ports. Every mode is crafted to deliver comprehensive and precise control.
(15) Ancillary block port sizes: Immerse your systems in our precisely engineered port size solutions, designed to ensure perfect adaptability and seamless integration. Choose from our meticulously crafted array of options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option provides unparalleled flexibility and is precisely tailored to meet your exact specifications with outstanding efficiency.
(16) End plate options: Discover our remarkable collection of meticulously tailored end plate innovations. E1 leads the way, featuring external pilot oil discharge and an external oil return control port T. Amplify your system with E2, which adds an additional port Y for increased functionality. Experience the groundbreaking innovation of E3, incorporating a 2-position 3-way magnetic ball valve, elevating your system's pressure to superior safety valve standards when energized, ensuring unmatched performance and reliability.
E4, akin to E1, stands out with an internal pilot oil discharge and a sealed port T. E5 reflects the excellence of E2, now enhanced with internal discharge capabilities. Embrace advanced technology with E6, echoing E3's innovative design. Each variant promises superior discharge control, ensuring your system functions at peak efficiency and optimum performance.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and reliability with our wide range of expertly tailored solutions. Choose G12-12VDC for applications that require uncompromised safety and compatibility.G24: The paramount choice for unwavering performance and steadfast dependability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Elevate your strategic selection with these options, engineered for peak efficiency and adaptability across a spectrum of demanding environments.12: Exemplifying precision and reliability, meticulously crafted for flawless integration into your systems.bb621436: The epitome of excellence, setting a benchmark in our cutting-edge design.
Since our pioneering 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 are recognized as a national high-tech enterprise of distinction. Our specialization in the meticulous research, development, manufacturing, and sales of premium hydraulic components highlights our expertise. Our esteemed status as a national 'specialized, refined, and innovative' small giant enterprise epitomizes our unwavering commitment to technological advancement and superior quality, positioning us as leaders in our field.
Our enhanced Safety Atex Valve, the flagship product, epitomizes the pinnacle of advanced hydraulic system control. Masterfully 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 partnerships with numerous leading domestic manufacturers, playing a crucial 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 crucial period, we embark on comprehensive preparations and uphold the highest standards of quality control, ensuring each product reaches you in pristine condition. Our unwavering devotion to achieving your complete satisfaction with our impeccable delivery is our foremost commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer an exceptionally low minimum order quantity, providing you with the unique advantage of ordering as little as a single piece for sample verification. This flexibility empowers you to kickstart your projects effortlessly, catering precisely to your exclusive needs with utmost convenience and precision.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate your order by conveying your specific requirements or intended applications to us. We will then meticulously prepare a bespoke quote, tailored exclusively for your needs, either through your detailed inputs or our expert recommendations. Once the drawings are finalized and a deposit is made, we will formalize the order and commence production. We assure you that every specification will be met with precision, providing a seamless, customized solution that perfectly aligns with your vision.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 entirely possible. Please ensure that you formally notify us before production begins and confirm the design according to the sample we provide. This ensures your branding is represented with outstanding precision and excellence, perfectly embodying your identity.
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