Experience the dawn of a groundbreaking era in hydraulic excellence with Jiangsu KM Hydraulic Control System Co., Ltd.'s pioneering HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. Far beyond ordinary components, these valves epitomize a remarkable fusion of engineering prowess and avant-garde hydraulic technology. By harmoniously integrating pressure, flow, and directional control into a singular, cohesive masterpiece, our valves deliver outstanding performance and steadfast reliability in every application imaginable. Crafted with utmost precision, they comprise three essential functional modules - connecting blocks, directional valves, and end plates - meticulously engineered for seamless integration into top-tier hydraulic systems, indispensable for superior engineering machinery. These valves meticulously modulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Notable features include a sleek, compact design, unparalleled energy efficiency, and the capability for stepless speed modulation. Furthermore, they empower multiple actuators to operate concurrently under varying loads, delivering unrivaled performance and versatility across a wide array of applications.
The HLPSL valves are skillfully designed for constant displacement pump systems, ensuring steadfast reliability in any scenario. Conversely, the HLPSV valves are meticulously crafted for variable pump systems. Although they may present a slightly slower response time, HLPSV valves distinguish themselves with exceptional energy-saving capabilities, rendering them the ultimate choice when efficiency is paramount. With state-of-the-art engineering and eco-conscious design, these valves present themselves as the definitive solution for sophisticated hydraulic control needs, seamlessly merging impeccable precision, unwavering reliability, and unmatched energy efficiency into one elegant 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 ensures continuous, unwavering delivery, fostering seamless and effective operations across your system with unmatched dependability.;
HLPSV: Variable Displacement Pump - The epitome of adaptability, this pump offers unparalleled flexibility, meeting diverse operational challenges with exceptional ease and versatility.;
(2) Connection Block Ports P & R Specifications - The perfect blend of precision engineering and reliability, these specifications form an enduring framework for optimal operation::
2-G3/8; Compactly designed for smooth, unhindered flow, ensuring seamless operation efficiency.
3-G1/2; Robustly crafted for exceptional performance, maintaining system integrity with dependability.;
4-G3/4; With cutting-edge connectivity, it offers superior control, enhancing system integration with ease.;
5, 55-G1; Ideal for high-demand scenarios, it provides remarkable flow rates, ensuring consistent and reliable outcomes.;
6-G1 1/4; With unmatched performance, this component excels even in challenging environments, overcoming obstacles effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights with excellence and precision::
C,Standard Type - A paragon of reliability, meticulously crafted to meet essential operational needs with precision.;
G,Throttle Valve (For HLPSL only) - Provides precision control, significantly enhancing the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Elevates flow management to new heights, ensuring unparalleled performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Offering tailored pressure control solutions to precisely meet diverse application needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Crafting bespoke solutions that align seamlessly with your operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control with precision, optimizing performance seamlessly:C - A visionary choice with no magnetic ball valve; F - The sophisticated, normally open magnetic ball valve that empowers your system, allowing for pump pressurization when powered and effortless unloading when unpowered; D - The ingeniously crafted, normally closed magnetic ball valve, enabling seamless pump unloading when powered and efficient pressurization when unpowered.D/F - Elevate your operational safety to unparalleled heights with our precision-engineered pressure limiting valve, meticulously designed for secondary pressure (F50). This cutting-edge feature ensures superior safety protocols, significantly boosting operational security and reliability, setting new benchmarks in safety standards.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unlock groundbreaking versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component exemplifies adaptability, fully accommodating diverse hydraulic requirements. For seamless configurations, /NF represents no pressure limiting valve, expertly tailored for HLPSV, ensuring impeccable pressure management across a vast array of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence: Discover our series, a testament to superior engineering and precision, designed to meet diverse application needs with unparalleled precision.;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a marvel of engineering, expertly crafted to address diverse applications, providing a product that seamlessly aligns with your specific 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: Select from a versatile array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, designed specifically for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each engineered to deliver precision and exceptional efficiency.
(10) Valve core function symbols: Explore a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to fulfill specific functional requirements with unmatched precision.
(11) Output flow code for ports A & B: Maximize operational 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 and reliability.
(12) Secondary pressure limitation options: Choose from: N, with 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 an array of options: 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 optimal functionality.
(14) Operation modes: Immerse yourself in a versatile spectrum of operation modes designed to meet every precise requirement: A(1,2) offers manual operation with the choice between a long or short handle; E, providing electric proportional control for seamless management; EA(1,2) blends electric proportional control with manual dexterity; D, utilizes electric switching value control; DA(1,2) harmonizes electric switching value control with manual operation; M, ensures manual friction positioning with a long handle; H, delivers pure hydraulic control with the alignment of pilot oil ports with oil ports A and B; F, offers pure hydraulic control featuring perpendicular pilot oil ports. Each mode is meticulously crafted for comprehensive precision and control, tailored to elevate your operational experience.
(15) Ancillary block port sizes: Elevate your system's adaptability and seamless integration with our precisely engineered port size solutions. Choose from our expertly designed options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option is crafted to deliver unmatched flexibility and is meticulously tailored to fulfill your precise needs, ensuring exceptional efficiency and seamless compatibility with your system's requirements.
(16) End plate options: Explore our extraordinary lineup of end plate innovations, each precisely tailored to elevate your system. E1 sets the benchmark with external pilot oil discharge and an external oil return control port T. With E2, experience additional functionality via an extra port Y. Discover E3's groundbreaking integration of a 2-position 3-way magnetic ball valve, elevating your system's pressure to premier safety valve levels when energized for superior performance and unmatched reliability.
E4: Embrace the distinctiveness of E4, featuring an internal pilot oil discharge and a sealed port T. E5 mirrors E2's excellence, further enhanced with internal discharge capabilities. With E6, step confidently into advanced technology reflecting E3's innovative design. Every variant ensures superior discharge control, guaranteeing that your system operates at peak efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Amplify your system's safety and reliability with our extensive range of expertly crafted solutions. Choose G12-12VDC, ideal for applications demanding uncompromised safety and compatibility.G24: Your go-to choice for steadfast performance and unwavering dependability, ensuring your operations are conducted with the utmost reliability and efficiency.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Enhance your strategic selection with these options, every one engineered for peak efficiency and adaptability across a variety of challenging environments, ensuring that your system performs flawlessly under any condition.12: Precisely engineered to embody both precision and reliability, making it an ideal choice for flawless system integration.bb621436: A code of excellence, setting a benchmark in our pioneering design, ensuring that your system stands out with unmatched 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, represents the pinnacle of advanced hydraulic system control. Masterfully engineered for construction machinery and heavy-duty equipment, this versatile component is indispensable 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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