Witness the dawn of a revolutionary era in hydraulic technology with our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These components are not just mere parts; they epitomize a masterful fusion of engineering brilliance and state-of-the-art hydraulic innovation. By seamlessly integrating pressure, flow, and directional control into a singular, cohesive unit, our valves deliver exceptional performance and unwavering reliability in every application. Crafted with meticulous precision, they comprise three integral functional modules - connecting blocks, directional valves, and end plates - which are meticulously designed for seamless integration into top-tier hydraulic systems, indispensable for premier engineering machinery. These valves execute the precise regulation of movement direction and velocity of hydraulic cylinders, motors, and other actuators, providing unrivaled precision and control. Noteworthy features include a sleek and compact design, unparalleled energy efficiency, and the capability for stepless speed modulation. Furthermore, they empower multiple actuators to operate simultaneously under varying loads, offering unparalleled performance and versatility across a wide array of applications.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast, reliable operations in any scenario. Conversely, the HLPSV valves are meticulously crafted for variable pump systems. Despite exhibiting a marginally slower response, HLPSV valves excel with their outstanding energy-saving capabilities, making them the ideal choice when efficiency is of utmost importance. These valves, designed with state-of-the-art engineering and an eco-conscious approach, emerge as the ultimate solution for sophisticated hydraulic control needs, seamlessly uniting impeccable precision, reliability, and energy efficiency in one comprehensive 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 - No magnetic ball valve; F - Normally open magnetic ball valve, perfectly enabling seamless pump pressurization when powered while effortlessly unloading when unpowered; D - Normally closed magnetic ball valve, skillfully facilitating pump unloading when powered and ensuring pressurization when unpowered, creating an optimal hydraulic solution;D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, a marvel designed for secondary pressure (F50). This cutting-edge feature guarantees advanced safety protocols, significantly elevating operational security and reliability, ensuring peace of mind during every operation.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unleash groundbreaking versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component is the epitome of adaptability, fully accommodating a diverse range of hydraulic needs. For seamless configurations, /NF signifies no pressure limiting valve, meticulously tailored for HLPSV, guaranteeing impeccable pressure management across a myriad of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering marvel, expertly crafted to meet diverse applications, delivering a product that aligns seamlessly with your exact needs and expectations.
(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 innovative intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly engineered for seamless integration and exceptional 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, meticulously designed specifically for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and remarkable efficiency.
(10) Valve core function symbols: Discover a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each masterfully engineered to fulfill specific functional requirements with precision.
(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 designed to provide superior performance, ensuring unparalleled 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 reliability.
(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 option meticulously engineered for precise control and exceptional functionality.
(14) Operation modes: Choose from a vast array of meticulously crafted operation modes for comprehensive and precise control: A(1,2), embrace manual operation with the versatility of an optional long or short handle; E, experience electric proportional control for refined adjustments; EA(1,2), a seamless integration of electric proportional control with manual operation; D, benefit from the precision of electric switching value control; DA(1,2), a harmonious blend of electric switching and manual operation; M, revel in manual friction positioning with a long handle; H, opt for pure hydraulic control with aligned pilot oil ports A and B; F, elevate to pure hydraulic control with perpendicular pilot oil ports.
(15) Ancillary block port sizes: Discover the perfect fusion of adaptability and seamless integration with our exquisitely crafted port size solutions. Select from our expertly designed options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each choice offers unparalleled flexibility and is meticulously tailored to deliver exceptional efficiency, ensuring your systems are perfectly empowered.
(16) End plate options: Explore our extraordinary suite of precisely tailored end plate innovations. E1 sets a high standard with its external pilot oil discharge and external oil return control port T. Elevate your systems with E2, featuring an additional port Y for enhanced functionality. Discover the groundbreaking E3, integrating a 2-position 3-way magnetic ball valve to boost system pressure to premier safety valve levels when energized, ensuring unmatched reliability and performance.
E4, much like E1, stands out with internal pilot oil discharge and a sealed port T. E5 mirrors E2's excellence, now enhanced with internal capabilities. Advance with E6, reflecting E3's innovative design. Each variant is crafted to ensure superior discharge control, optimizing system performance and efficiency.
(17) Control voltage and anti-explosion cable options: Bolster your system's safety and reliability with our expertly tailored solutions. Opt for G12-12VDC, ideal for specialized applications requiring uncompromised safety and compatibility.G24: The ultimate choice for steadfast performance and unwavering dependability, delivering consistent excellence in diverse applications.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Enhance your strategic selections with these expertly engineered options, designed for peak efficiency and adaptability across challenging environments.12: Embodying precision and reliability, this option is expertly tailored for flawless integration, ensuring seamless performance within your systems.bb621436: The code of excellence, setting a new benchmark in our pioneering design, synonymous with quality and innovation.
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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