Welcome to the dawn of a groundbreaking revolution in hydraulic technology with Jiangsu KM Hydraulic Control System Co., Ltd.'s innovative HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not just components; they symbolize a masterful fusion of engineering brilliance and cutting-edge hydraulic innovation. By deftly integrating pressure, flow, and directional control into a seamless unit, our valves ensure unparalleled performance and steadfast reliability in every application. Meticulously crafted, they comprise three essential functional modules - connecting blocks, directional valves, and end plates - all designed with precision for flawless integration into top-tier hydraulic systems, indispensable for elite engineering machinery. These valves expertly regulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Distinguished features include a sleek, compact design, exceptional energy efficiency, and the ability for stepless speed modulation. Furthermore, they enable multiple actuators to function simultaneously under varying loads, offering unparalleled performance and versatility across a wide range of applications.
The HLPSL valves are specially designed for constant displacement pump systems, ensuring consistent, reliable operations in any situation. On the other hand, the HLPSV valves are meticulously engineered for variable pump systems. While they may have a slightly slower response, the HLPSV valves are lauded for their exceptional energy-saving capabilities, making them the quintessential choice when efficiency is of utmost importance. These valves, with their advanced engineering and eco-friendly design, represent the ultimate solution for sophisticated hydraulic control needs, merging flawless precision, reliability, and energy efficiency into one seamless, unrivaled 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 enduring leader in performance reliability offers unwavering and consistent delivery, ensuring seamless and effective operations across your entire hydraulic system.;
HLPSV: Variable Displacement Pump - An epitome of versatility and adaptability, this pump provides unparalleled flexibility to meet various operational demands with exceptional ease and precision.;
(2) Connection Block Ports P & R Specifications - Where precision engineering meets reliability to create a robust operational framework::
2-G3/8; Designed for compact efficiency, it ensures smooth and unhindered operational flows, maintaining optimal performance at all times.
3-G1/2; Engineered for robust performance and reliability, providing a solid foundation to sustain your system's integrity and functionality.;
4-G3/4; With state-of-the-art connectivity, it offers superior control, enhancing system integration with impeccable precision.;
5, 55-G1; With remarkable flow rates, it's ideal for high-demand applications, delivering consistently reliable outcomes across various scenarios.;
6-G1 1/4; This component offers unrivaled performance, expertly crafted to excel in challenging environments, overcoming obstacles with effortless ease.;
(3) Additional Components and Specifications - Taking system capabilities to unprecedented heights of excellence::
C,Standard Type - A stronghold of reliability, meticulously engineered to meet essential operational needs with unmatched precision.;
G,Throttle Valve (For HLPSL only) - Delivers precision control that significantly enhances the overall efficiency of your hydraulic system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering tailored pressure control solutions to meet diverse application needs with unmatched precision:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing 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 exacting precision:C - No magnetic ball valve; F - The normally open magnetic ball valve is designed for excellence, allowing pump pressurization upon activation and seamless unloading when deactivated; D - Experience the efficiency of the normally closed magnetic ball valve which enables pump unloading when engaged and pressurizes effortlessly when disengaged;D/F - Elevate your safety standards to unprecedented levels with our precision-engineered pressure limiting valve, specifically designed for secondary pressure applications (F50). This cutting-edge feature ensures robust safety measures, significantly enhancing operational security and reliability, giving you peace of mind in every operation.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unparalleled versatility and precision with our adjustable pressure settings ranging from 63 to 400 bar. This component exemplifies adaptability, catering to a wide array of hydraulic requirements. Seamless configurations are made possible, with /NF representing no pressure limiting valve, meticulously optimized for HLPSV, ensuring impeccable pressure management across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence: Experience the zenith of precision and innovation with our product series, each a testament to engineering mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents an engineering marvel, meticulously crafted to cater to a variety of applications. These series offer you products that align seamlessly with your specific needs, providing unparalleled performance and reliability.
(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, which is engineered with precision for seamless integration and optimal operation in every scenario.
(9)Directional valve block inflow controller options: Choose from our diverse array of options to perfectly match your requirements: 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 exceptional precision and efficiency.
(10) Valve core function symbols: Discover a comprehensive selection of core functions designed to meet specific needs: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill distinct functional requirements with precision and reliability.
(11) Output flow code for ports A & B: Maximize operational efficiency with our expert-designed output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each setting crafted to deliver superior performance and unwavering reliability.
(12) Secondary pressure limitation options: Choose from a suite of options: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, ensuring your system remains uncompromised in safety and performance.
(13) Function ON/OFF and pressure outlet options: Customize your system with a variety of options meticulously crafted for precision control: 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 engineered to deliver precise control and enhanced functionality.
(14) Operation modes: Discover an impressive selection of operation modes designed to cater to a wide range of functionality needs: A(1,2) offers versatile manual operation with a choice of long or short handle; E brings cutting-edge electric proportional control; EA(1,2) seamlessly blends electric proportional control with manual operation; D provides precise electric switching value control; DA(1,2) combines electric switching value control with manual operation for enhanced versatility; M offers manual friction positioning with a long handle for tactile control; H introduces pure hydraulic control, aligning pilot oil ports to A and B for streamlined operations; F features pure hydraulic control with perpendicular pilot oil ports, each mode crafted meticulously for unparalleled precision and control.
(15) Ancillary block port sizes: Elevate your system's adaptability and seamless integration with our meticulously engineered port size solutions. Our range includes: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option is crafted with precision, offering unmatched flexibility to meet your specific requirements with outstanding efficiency.
(16) End plate options: Explore our exceptional suite of end plate innovations, each precision-crafted to meet your unique demands. E1 offers the standard with external pilot oil discharge and external oil return control port T. E2 takes functionality further with an additional port Y. Experience innovation with E3, integrating a 2-position 3-way magnetic ball valve, elevating your system's pressure to premier safety valve standards when energized, ensuring superior performance and reliability.
E4 mirrors E1's excellence but with an internal pilot oil discharge and sealed port T. E5 elevates E2's functionality with internal discharge capabilities. Step into advanced technology with E6, echoing E3's innovative design. Each variant assures superior discharge control, ensuring your system operates at peak efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Reinforce your system's safety and reliability with our comprehensive range of expertly tailored solutions. Choose G12-12VDC for specialized applications demanding top-tier safety and compatibility.G24: The premier choice for steadfast performance and unwavering dependability, ensuring your system's operations are consistently reliable.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Enhance your strategic selection with these options, crafted for peak efficiency and adaptability across a diverse array of challenging environments.12: Exemplifying precision and reliability, meticulously crafted for flawless integration into your systems to support seamless operations.bb621436: The hallmark of excellence, setting a benchmark in innovative design and pioneering standards.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of groundbreaking innovation and exceptional excellence within the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. We specialize 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 dedication to technological advancement and superior quality. This relentless dedication positions us as frontrunners in our field.
Our enhanced Safety Atex Valve, the flagship product, stands as the pinnacle of advanced hydraulic system control. Expertly 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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