Experience the advent of a groundbreaking era in hydraulic technology with our avant-garde HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These components transcend traditional roles, embodying a sophisticated synergy of engineering brilliance and state-of-the-art hydraulic innovation. By skillfully integrating pressure, flow, and directional control into a unified, harmonious entity, our valves deliver unparalleled performance and steadfast reliability across all applications. Crafted with meticulous precision, they comprise three essential functional modules-connecting blocks, directional valves, and end plates-each designed with care for integration into world-class hydraulic systems, crucial for elite engineering machinery. These valves expertly regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key attributes include a sleek, compact design, exceptional energy efficiency, and seamless stepless speed modulation. Furthermore, they facilitate concurrent operation of multiple actuators under varying loads, delivering unmatched performance and adaptability across a wide range of applications.
The HLPSL valves are masterfully engineered for constant displacement pump systems, ensuring robust, reliable operations in every circumstance. Conversely, the HLPSV valves are meticulously designed for variable pump systems. Although they may demonstrate a slightly slower response time, HLPSV valves excel with their remarkable energy-saving features, making them the perfect choice when efficiency is of the essence. These valves, boasting cutting-edge engineering and an environmentally-conscious design, emerge as the quintessential solution for advanced hydraulic control demands, flawlessly merging impeccable precision, reliability, and energy efficiency into a singular, 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 stalwart of reliability guarantees steadfast and consistent delivery, ensuring the smooth and effective operation across your entire system.;
HLPSV: Variable Displacement Pump - A paragon of versatility and adaptability, this pump provides unmatched flexibility to meet diverse operational needs with remarkable ease.;
(2) Connection Block Ports P & R Specifications - The fusion of precision engineering and reliability creates a durable operational framework::
2-G3/8; Engineered for compact efficiency, it ensures smooth and uninterrupted operational flows.
3-G1/2; Built for robust performance and dependability, it provides a solid foundation for maintaining your system's integrity.;
4-G3/4; Featuring state-of-the-art connectivity, it offers superior control and seamlessly enhances system integration.;
5, 55-G1; With exceptional flow rates, it's perfect for high-demand applications, delivering reliable and consistent performance.;
6-G1 1/4; Providing unmatched performance, this component is expertly designed to excel even in the harshest environments, effortlessly overcoming challenges.;
(3) Additional Components and Specifications - Raising system capabilities to unparalleled levels of excellence::
C,Standard Type - A pillar of reliability, meticulously crafted to meet essential operational demands with precision.;
G,Throttle Valve (For HLPSL only) - Offers precise control, significantly boosting the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering customized 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 tailored 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 - The normally open magnetic ball valve that revolutionizes operation by enabling pump pressurization when powered and efficient unloading when unpowered; D - The normally closed magnetic ball valve, specifically designed to facilitate pump unloading when powered and robust pressurization when unpowered;D/F - Elevate your safety standards exponentially with our meticulously precision-engineered pressure limiting valve, flawlessly designed for secondary pressure (F50). This cutting-edge feature stands at the forefront of advanced safety protocols, significantly enhancing operational security, ensuring the highest reliability, and safeguarding your system integrity.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Immerse yourself in the groundbreaking versatility and unparalleled precision of customizable pressure settings, spanning an impressive range from 63 to 400 bar. This integral component is the epitome of adaptability, expertly accommodating a diverse range of hydraulic requirements. For seamless configurations, /NF represents the absence of a pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across a broad spectrum of dynamic 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 a diverse array of applications, providing you with a product that seamlessly aligns with your precise needs, ensuring functionality, versatility, and unmatched performance.
(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 seamless integration and top-tier operation, ensuring adaptability and superior performance.
(9)Directional valve block inflow controller options: Select from a meticulously curated array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, designed with precision for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering unmatched precision and exceptional operational efficiency.
(10) Valve core function symbols: Discover an extensive selection of core functions: L, M, F, H, J, B, R, O, N, each masterfully engineered to fulfill specific, sophisticated functional requirements, providing unparalleled flexibility and utility.
(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, each expertly designed to deliver superior performance and unwavering reliability, ensuring your operations run seamlessly.
(12) Secondary pressure limitation options: Choose from a tailored selection: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all thoroughly measured in bar, ensuring uncompromised system safety and operational excellence.
(13) Function ON/OFF and pressure outlet options: Customize your system with a suite of 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, ultimate functionality, and enhanced performance.
(14) Operation modes: Choose from an impressive selection of operation modes, each designed for precision and versatility: A(1,2), offering manual operation with a choice of long or short handle; E, providing electric proportional control; EA(1,2), a seamless blend of electric proportional control and manual operation; D, featuring electric switching value control; DA(1,2), combining electric switching value control with manual operation; M, allowing manual friction positioning with a long handle; H, offering pure hydraulic control by aligning pilot oil ports with oil ports A and B; F, delivering pure hydraulic control with perpendicular pilot oil ports. Each mode is meticulously engineered for comprehensive and precise management.
(15) Ancillary block port sizes: Enhance your system with our finely crafted port size solutions. Select from our expertly designed options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each one promises unparalleled adaptability and seamless integration, meticulously tailored to meet your specific requirements with exceptional efficiency.
(16) End plate options: Explore our exceptional range of precisely engineered end plate solutions. E1 stands out with external pilot oil discharge and an external oil return control port T. Upgrade to E2, featuring an additional port Y for increased functionality. Discover the innovative E3, which incorporates a 2-position 3-way magnetic ball valve, elevating your system's pressure to top-tier safety valve standards when energized, ensuring superior performance and unmatched reliability.
E4, similar to E1, offers an internal pilot oil discharge with a sealed port T. E5 mirrors the excellence of E2, enhanced with internal discharge capabilities. Embrace advanced technology with E6, echoing the innovative design of E3. Each variant ensures superior discharge control, enabling your system to operate with peak efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Elevate your system's safety and reliability with our comprehensive range of expertly tailored solutions. Choose G12-12VDC for specialized applications requiring absolute safety and compatibility.G24: The ultimate choice for steadfast performance and unwavering dependability, ensuring your system's reliability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Enhance your strategic choices with these options, meticulously engineered for peak efficiency and adaptability in various challenging environments.12: Representing precision and reliability, expertly crafted for seamless integration into your systems.bb621436: The hallmark of excellence, setting a benchmark in our groundbreaking 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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