Witness the dawn of a revolutionary era in hydraulic technology with our innovative HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These aren't mere components; they epitomize a masterful blend of engineering excellence and cutting-edge hydraulic innovation. Seamlessly integrating pressure, flow, and directional control into one cohesive unit, our valves deliver exceptional performance and unwavering reliability in every application. Crafted with precision, they consist of three integral functional modules-connecting blocks, directional valves, and end plates-designed meticulously for integration into top-tier hydraulic systems, essential for premier engineering machinery. These valves precisely regulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, offering unrivaled precision and control. Their notable features include a sleek, compact design, superior energy efficiency, and the ability for stepless speed modulation. Moreover, they empower multiple actuators to operate simultaneously under varying loads, providing unparalleled performance and versatility across diverse applications.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast reliability in any scenario. On the other hand, the HLPSV valves are meticulously crafted for variable pump systems. While they may exhibit a marginally slower response, HLPSV valves stand out for their outstanding energy-saving capabilities, making them the ideal choice when efficiency is paramount. These valves, with state-of-the-art engineering and eco-conscious design, emerge as the ultimate solution for sophisticated hydraulic control needs, combining impeccable precision, reliability, and energy efficiency in 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 robust cornerstone in performance excellence assures steadfast, consistent delivery, facilitating effortless and effective operations throughout your entire system.;
HLPSV: Variable Displacement Pump - The epitome of versatility and adaptiveness, this pump provides unmatched flexibility, effortlessly meeting a diverse range of operational requirements.;
(2) Connection Block Ports P & R Specifications - Precision engineering meets steadfast reliability, creating a durable operational framework::
2-G3/8; Engineered for compact efficiency, it ensures smooth and uninterrupted operational flows.
3-G1/2; Built for rugged performance and dependability, forming a solid foundation for maintaining your system's integrity.;
4-G3/4; With advanced connectivity, it provides superior control, seamlessly enhancing system integration.;
5, 55-G1; Exceptional flow rates make it ideal for high-demand applications, ensuring consistent and reliable results.;
6-G1 1/4; Unrivaled performance, expertly designed to thrive in challenging environments, effortlessly overcoming obstacles.;
(3) Additional Components and Specifications - Elevating system capabilities to unparalleled levels of excellence::
C,Standard Type - A beacon of reliability, meticulously crafted to precisely meet essential operational needs.;
G,Throttle Valve (For HLPSL only) - Provides precision control, significantly boosting the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unparalleled performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering tailored pressure control solutions with precision to suit diverse application needs: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 pinpoint accuracy:C - Experience the efficiency of no magnetic ball valve; F - Embrace the innovation of our normally open magnetic ball valve, expertly designed to enable pump pressurization when powered and seamless unloading when unpowered; D - Discover the reliability of our normally closed magnetic ball valve, crafted to facilitate pump unloading when powered and precision pressurization when unpowered.D/F - Elevate your operational safety with our precision-engineered pressure limiting valve, tailored for secondary pressure (F50). This state-of-the-art feature guarantees enhanced safety protocols, providing superior operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embrace groundbreaking versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component exemplifies adaptability and is fully tailored to accommodate a wide array of hydraulic needs. For seamless configurations, /NF is crafted with no pressure limiting valve, precisely engineered for HLPSV, ensuring exemplary pressure management across diverse 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, meticulously crafted to meet diverse applications, offering a product that aligns perfectly with your precise requirements.
(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 operation.
(9)Directional valve block inflow controller options: Discover a range 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 engineered for precision and outstanding efficiency.
(10) Valve core function symbols: Explore an extensive selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to meet specific functional demands.
(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.
(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, guaranteeing unparalleled system safety.
(13) Function ON/OFF and pressure outlet options: Customize your system with a variety 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 precisely engineered for meticulous control and functionality.
(14) Operation modes: Discover the full spectrum of operation modes designed for unparalleled versatility: A(1,2) offers manual operation with the flexibility of a long or short handle; E introduces electric proportional control for precision; EA(1,2) seamlessly merges electric proportional control with manual operation for enhanced control; D provides electric switching value control; DA(1,2) combines electric switching value control with manual operation for superior adaptability; M offers manual friction positioning with a long handle for tactile precision; H features pure hydraulic control with pilot oil ports aligned with oil ports A and B; F presents pure hydraulic control with perpendicular pilot oil ports. Each mode is meticulously engineered for comprehensive and precise control, ensuring you have the ideal solution for every scenario.
(15) Ancillary block port sizes: Elevate your system's performance with our meticulously engineered port size options, crafted for seamless integration and perfect adaptability. Choose from our expertly designed range: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each size option is precision-tailored to deliver unparalleled flexibility and efficiency, ensuring your system meets your exact specifications with exceptional reliability.
(16) End plate options: Explore our remarkable series of end plate innovations, each precisely tailored to elevate your system. E1 sets the standard with external pilot oil discharge and an external oil return control port T. Enhance your system with E2, featuring an additional port Y for increased functionality. Discover the cutting-edge E3, which integrates a 2-position 3-way magnetic ball valve, elevating your system's pressure to premier safety valve levels when energized, ensuring unmatched performance and reliability.
E4 mirrors E1 with internal pilot oil discharge and a sealed port T, ensuring distinct performance. E5 builds on E2's excellence, now with internal discharge capabilities for enhanced efficiency. E6 echoes E3's innovative design, with each variant guaranteeing superior discharge control. These options ensure your system operates at peak efficiency and optimal performance, providing advanced technology solutions for your needs.
(17) Control voltage and anti-explosion cable options: Bolster your system's safety and reliability with our comprehensive range of expertly tailored solutions. Select G12-12VDC, an ideal choice for specialized applications demanding uncompromised safety and compatibility, ensuring your system is fortified with the highest safety standards.G24: Opt for steadfast performance and unwavering dependability, ensuring your system's reliability in all operational conditions.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Enhance your strategic selection with these meticulously engineered options, designed for peak efficiency and adaptability across a wide range of demanding environments.12: Exemplifies precision and reliability, expertly designed for flawless integration into your systems, ensuring impeccable performance.bb621436: The epitome of excellence, establishing a benchmark in our innovative and pioneering design, setting new standards for quality and performance.
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 Proportional Valve System for Innovative Truck Crane Safety Solutions, 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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