Prepare to be amazed by the dawn of a revolutionary era in hydraulic technology with our state-of-the-art HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not just components; they are an extraordinary fusion of engineering excellence and cutting-edge hydraulic innovation. Our valves seamlessly integrate pressure, flow, and directional control into one cohesive unit, ensuring exceptional performance and unwavering reliability for every application. Crafted with the utmost precision, they embody three integral functional modules - connecting blocks, directional valves, and end plates - each meticulously designed for seamless integration into top-tier hydraulic systems. These are essential for premier engineering machinery, precisely regulating the movement direction and velocity of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key features include a sleek, compact design, superior energy efficiency, and seamless stepless speed modulation. Furthermore, they empower multiple actuators to operate simultaneously under varying loads, delivering unparalleled performance and versatility across a wide range of applications.
The HLPSL valves are expertly engineered for constant displacement pump systems, ensuring steadfast, reliable operations in any scenario. Meanwhile, the HLPSV valves are meticulously crafted for variable pump systems. Although they may respond slightly slower, HLPSV valves are distinguished by their remarkable energy-saving capabilities, making them the quintessential choice when efficiency is paramount. With advanced engineering and an eco-conscious design, these valves stand as the ultimate solution for sophisticated hydraulic control needs, combining impeccable 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 delivers unwavering, consistent power, ensuring seamless and effective operations throughout your entire system.;
HLPSV: Variable Displacement Pump - The quintessential model of versatility and adaptability, providing unparalleled flexibility to meet a diverse range of operational demands with exceptional ease.;
(2) Connection Block Ports P & R Specifications - Where precision engineering meets reliability to create an enduring operational framework::
2-G3/8; Designed for compact efficiency, it ensures smooth and unhindered operational flows, maintaining system fluidity.
3-G1/2; Crafted for robust performance and dependability, providing a strong foundation for sustaining your system's unwavering integrity.;
4-G3/4; With state-of-the-art connectivity, it offers superior control, enhancing system integration with seamless precision.;
5, 55-G1; With outstanding flow rates, it's perfect for high-demand applications, delivering consistent, reliable outcomes and peak performance.;
6-G1 1/4; Offering unmatched performance, this component excels in challenging environments, overcoming obstacles with effortless precision.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights of excellence::
C,Standard Type - A bastion of reliability, meticulously engineered to meet essential operational needs with unwavering precision.;
G,Throttle Valve (For HLPSL only) - Delivers precision control, significantly amplifying the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and steadfast dependability.;
(4) Pilot Oil Circuit Pressure Options - Providing tailored pressure control solutions to meet your 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 pinpoint precision:C - No magnetic ball valve. F - Embrace superior functionality with our normally open magnetic ball valve, designed to energize pump pressurization when powered and initiate unloading when unpowered. D - Discover enhanced operational efficiency with our normally closed magnetic ball valve, facilitating pump unloading when powered and ensuring pressurization when unpowered for optimized performance.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve crafted specifically for secondary pressure (F50). This state-of-the-art feature ensures advanced safety protocols, significantly enhancing operational security and reliability, offering you peace of mind with cutting-edge engineering.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience groundbreaking versatility with customizable pressure settings ranging from 63 to 400 bar. This component stands as a testament to adaptability, fully accommodating a wide array of hydraulic requirements. For seamless configurations, /NF indicates the absence of a pressure limiting valve, precisely tailored for HLPSV, ensuring impeccable pressure management across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence: Discover the mastery behind each series designed to meet diverse applications and provide you with a product aligned seamlessly with your specific requirements.;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering marvel, meticulously crafted to address a multitude of applications, ensuring you receive a product that aligns seamlessly with your precise operational 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 to ensure seamless integration and flawless operation.
(9)Directional valve block inflow controller options: Choose from a versatile selection of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, crafted specifically for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and outstanding efficiency.
(10) Valve core function symbols: Discover a comprehensive array of core functions including: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill distinct functional requirements with precision.
(11) Output flow code for ports A & B: Optimize efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly crafted to provide exceptional performance and reliability.
(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 integrity.
(13) Function ON/OFF and pressure outlet options: Personalize your system 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 option meticulously engineered to provide precise control and functionality tailored to your needs.
(14) Operation modes: Discover an extensive selection of operation modes, meticulously designed to cater to every need: A(1,2) offers manual operation with a choice between a long or short handle; E provides electric proportional control for refined precision; EA(1,2) seamlessly blends electric proportional control with manual operation; D is tailored for electric switching value control; DA(1,2) merges electric switching value control with manual operation; M offers manual friction positioning with a long handle; H features pure hydraulic control, aligning pilot oil ports with oil ports A and B; and F boasts pure hydraulic control with perpendicular pilot oil ports. Each mode is crafted for comprehensive and precise control, setting new standards of excellence.
(15) Ancillary block port sizes: Transform your systems with our ingeniously crafted port size solutions, designed for impeccable adaptability and seamless integration. Choose from our premium array of expertly designed options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option provides extraordinary flexibility and is meticulously tailored to meet your specific requirements with unparalleled efficiency and precision.
(16) End plate options: Explore our remarkable array of meticulously engineered end plate innovations. E1 sets the benchmark with external pilot oil discharge and an external oil return control port T. Experience E2's enhanced prowess with an additional port Y for elevated functionality. Delve into E3's groundbreaking integration of a 2-position 3-way magnetic ball valve, elevating your system's pressure to premier safety valve standards when energized. This ensures superior performance and reliability across the board.
E4, akin to E1, is unique with an internal pilot oil discharge and a sealed port T. E5 parallels E2's excellence, now bolstered with internal discharge capabilities. Embrace the cutting-edge technology of E6, echoing E3's innovative design. Each variant promises superior discharge control, ensuring peak efficiency and optimal system performance.
(17) Control voltage and anti-explosion cable options: Bolster your system's safety and reliability with our comprehensive range of expertly tailored solutions. G12-12VDC is ideal for specialized applications requiring unmatched safety and compatibility.G24: The epitome of steadfast performance and unwavering reliability, engineered for your peace of mind.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Elevate your strategic choices with these options, designed for peak efficiency and adaptability across diverse, challenging environments.12: Exemplifying precision and reliability, perfectly engineered for seamless integration into your systems.bb621436: The hallmark of excellence, establishing a benchmark in our cutting-edge design.
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 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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