Step into a new era of hydraulic innovation with our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not just components; they are the pinnacle of engineering mastery and hydraulic advancement. By flawlessly integrating pressure, flow, and directional control into a singular, unified unit, our valves offer outstanding performance and unyielding reliability across numerous applications. Engineered with precision, these valves feature three core functional modules - connecting blocks, directional valves, and end plates - meticulously crafted for seamless integration into top-of-the-line hydraulic systems, crucial for superior engineering machinery. They expertly regulate the motion direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key features include a sleek, compact design, exceptional energy efficiency, and the ability for stepless speed modulation. Additionally, they enable multiple actuators to function simultaneously under varying loads, delivering extraordinary performance and adaptability across a wide range of applications.
The HLPSL valves are designed with expertise for constant displacement pump systems, ensuring dependable, consistent operations in any circumstance. Conversely, the HLPSV valves are crafted with precision for variable pump systems. Although they may have a slightly slower response, HLPSV valves excel in energy-saving capabilities, making them the perfect choice when efficiency is of utmost importance. These valves, with their cutting-edge engineering and environmentally-friendly design, represent the pinnacle of solutions for advanced hydraulic control requirements, merging flawless 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 - A non-magnetic ball valve; F - A normally open magnetic ball valve, crafted to enable pump pressurization when powered and seamlessly switch to unloading when unpowered; D - A normally closed magnetic ball valve, facilitating efficient pump unloading when powered and pressurization when unpowered;D/F - Raise your safety standards to new heights with our precision-engineered pressure limiting valve, specifically designed for secondary pressure (F50). This cutting-edge feature guarantees superior safety protocols, enhancing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unparalleled versatility and precision with its customizable pressure settings, ranging from 63 to 400 bar. This component exemplifies adaptability, fully accommodating a wide array of hydraulic requirements. For seamless configurations, /NF symbolizes no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across a diverse spectrum of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as an engineering marvel, expertly crafted to meet a diverse range of applications, providing you with a product that aligns seamlessly with your specific 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 meticulously engineered intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, crafted for seamless integration and unrivaled 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: Delve into a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to fulfill specific functional requirements, ensuring optimal performance and adaptability.
(11) Output flow code for ports A & B: Maximize your system's efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly designed to ensure superior performance and reliability throughout.
(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 safety and reliable performance for the entire system.
(13) Function ON/OFF and pressure outlet options: Tailor your system with precision through 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 option meticulously engineered for precise control and top-tier functionality.
(14) Operation modes: Choose from a diverse selection of expertly designed operation modes to meet your specific needs: A(1,2) offers manual operation with optional long or short handle; E provides electric proportional control for precision; EA(1,2) combines electric proportional and manual control for versatile operations; D is 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 provides pure hydraulic control aligning pilot oil ports with oil ports A and B; F offers pure hydraulic control with perpendicular pilot oil ports, all crafted for unparalleled control.
(15) Ancillary block port sizes: Enhance your systems with our precisely engineered port size solutions, ensuring seamless integration and adaptability. Choose from our range of options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option is designed for exceptional flexibility and is meticulously tailored to meet your specific requirements with outstanding efficiency.
(16) End plate options: Discover our exceptional suite of end plate innovations, precisely tailored for superior performance. E1 leads the way with external pilot oil discharge and external oil return control port T. E2 enhances functionality with an additional port Y. Discover E3's pioneering design featuring a 2-position 3-way magnetic ball valve, elevating your system's pressure to top-tier safety valve standards when energized, ensuring unmatched performance and reliability.
E4, akin to E1, features an internal pilot oil discharge with a sealed port T. E5 mirrors E2's excellence with added internal discharge features. Experience advanced technology with E6, echoing E3's innovative design. Each variant ensures superior discharge control, enabling your system to operate at maximum efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Enhance the safety and reliability of your system with our comprehensive range of tailored solutions. Select G12-12VDC for specialized applications requiring uncompromised safety and compatibility.G24: The ultimate choice for consistent performance and unwavering reliability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Enhance your strategic selection with these options, designed for peak efficiency and adaptability in various challenging environments.12: Exemplifying precision and reliability, perfectly tailored for seamless integration into your systems.bb621436: A hallmark of excellence, setting the standard in our trailblazing 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: Begin your order by sharing your specific project requirements or intended applications with 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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