Embark on a journey to the forefront of hydraulic innovation with Jiangsu KM Hydraulic Control System Co., Ltd.'s cutting-edge HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. Far more than mere components, these valves represent a pinnacle of engineering prowess and advanced hydraulic breakthroughs. By ingeniously merging pressure, flow, and directional control into a single, harmonious entity, they provide unsurpassed performance and steadfast reliability for every application. Meticulously crafted, these valves comprise three essential functional modules-connecting blocks, directional valves, and end plates-intentionally designed to integrate seamlessly into elite hydraulic systems, vital for leading engineering machinery. The valves expertly regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and finesse. Distinguished by a streamlined, compact design, exceptional energy efficiency, and smooth, stepless speed modulation, they also enable multiple actuators to function concurrently under varied loads, showcasing extraordinary versatility and performance across a comprehensive range of applications.
The HLPSL valves are meticulously designed for systems with constant displacement pumps, guaranteeing robust and dependable operations under any circumstances. Conversely, the HLPSV valves are precisely engineered for variable pump systems. Although they may exhibit a slightly more gradual response, these HLPSV valves excel in their remarkable energy-saving characteristics, cementing their status as the optimal choice when efficiency takes precedence. With cutting-edge engineering and a commitment to environmental sustainability, these valves stand as the quintessential solution for sophisticated hydraulic control needs, seamlessly combining immaculate precision, unwavering reliability, and outstanding energy efficiency in a single, cohesive 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 powerhouse of unrivaled performance delivers relentless reliability, ensuring a smooth and consistent operation throughout your entire system.;
HLPSV: Variable Displacement Pump - The apex of versatility, this pump demonstrates exceptional adaptability, catering to a diverse range of operational needs with remarkable ease.;
(2) Connection Block Ports P & R Specifications - The epitome of precision engineering blended with unwavering reliability, forming a robust operational backbone::
2-G3/8; Engineered with an emphasis on compact efficiency, it guarantees smooth and uninterrupted operational flows.
3-G1/2; Built for robust performance, it provides a resilient foundation that upholds your system's integrity.;
4-G3/4; Featuring advanced connectivity, it delivers enhanced system control and seamless integration.;
5, 55-G1; With exceptional flow rates, it is perfectly suited for high-demand applications, offering consistent and reliable results.;
6-G1 1/4; This component delivers unmatched performance, expertly designed to thrive in challenging conditions, overcoming any obstacles with ease.;
(3) Additional Components and Specifications - Enhancing system capabilities and pushing the boundaries of excellence::
C,Standard Type - A pillar of reliability, intricately designed to meet key operational needs with precision.;
G,Throttle Valve (For HLPSL only) - Provides precise control, significantly boosting the system's efficiency and overall performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Drives optimal flow management, ensuring unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Delivering precision-tailored pressure control solutions to suit a wide array of application needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering custom solutions that perfectly align with your unique operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control with unparalleled precision:C - No magnetic ball valve; F - Normally open magnetic ball valve: Energize your system with ease, allowing pump pressurization when powered and seamless unloading when unpowered. D - Normally closed magnetic ball valve: Experience unrivaled efficiency, facilitating pump unloading when powered and seamless pressurization when unpowered.D/F - Elevate your operational safety standards with our specially designed, precision-engineered pressure limiting valve crafted for secondary pressure (F50). This groundbreaking feature ensures state-of-the-art safety protocols, significantly boosting operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unprecedented versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component showcases adaptability, meeting a wide array of hydraulic needs. For seamless configurations, /NF signifies no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across all applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series: Each series is a marvel, expertly engineered to address diverse applications, offering you a product that seamlessly aligns with your distinct needs.
(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 flawless integration and operation.
(9)Directional valve block inflow controller options: Choose from an extensive array of options: 1, no inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for inlet and outlet, specifically designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering 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 meticulously engineered to fulfill specific functional requirements with precision.
(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 crafted for superior performance and unmatched 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 integrity.
(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 meticulously engineered for precise control and optimal functionality.
(14) Operation modes: Discover a diverse and meticulously engineered selection of operation modes that cater to every need: A(1,2), manual operation with a choice of long or short handles; E, with electric proportional control; EA(1,2), blending electric proportional and manual controls for unprecedented versatility; D, for precise electric switching value control; DA(1,2), combining electric switching value and manual operation; M, featuring manual friction positioning with a long handle; H, offering pure hydraulic control aligning pilot oil ports with oil ports A and B; F, presenting pure hydraulic control with perpendicular pilot oil ports. Each mode is crafted to provide comprehensive and precise control, ensuring your systems operate at their best.
(15) Ancillary block port sizes: Elevate your systems with our expertly engineered port size solutions, designed for perfect adaptability and seamless integration. Choose from our robustly designed array: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. These options offer unmatched flexibility and are meticulously tailored to meet your specific requirements with exceptional efficiency.
(16) End plate options: Explore our exceptional suite of precisely tailored end plate innovations. E1 sets the benchmark with external pilot oil discharge and external oil return control port T. Opt for E2 to experience enhanced functionality with an added port Y. E3 introduces a groundbreaking 2-position 3-way magnetic ball valve, elevating your system's pressure to premier safety valve levels when energized, delivering superior performance and unmatched reliability.
E4 mirrors E1 but with distinct internal pilot oil discharge and a sealed port T. E5 enhances the excellence of E2 with internal discharge capabilities. E6, echoing E3's innovative design, offers a step into advanced technology. Each variant ensures superior discharge control, optimizing your system's efficiency and performance.
(17) Control voltage and anti-explosion cable options: Enhance your system's safety and reliability with our extensive range of expertly tailored solutions. Choose G12-12VDC for specialized applications where uncompromised safety and compatibility are paramount.G24: The pinnacle choice for consistent performance and steadfast reliability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Maximize strategic selection with these options, engineered for peak efficiency and adaptability across demanding environments.12: Crafted for precision and reliability, designed for seamless integration into your systems.bb621436: The hallmark of excellence, setting a new standard in innovative 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 production lead time is approximately one month after we receive payment. During this essential phase, we engage in meticulous preparations and adhere to the most rigorous quality control protocols. This ensures each product arrives in flawless condition. Our unwavering dedication to delivering your order with unparalleled perfection is our foremost priority, guaranteeing your complete satisfaction.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We are delighted to offer an exceptionally low minimum order quantity, allowing you the unique benefit of ordering as little as one piece for sample validation. This advantageous flexibility enables you to commence your projects with ease, catering precisely to your distinct requirements with maximum convenience and accuracy.
Question:3. How to proceed with an order for LED lights?
Answer: Begin your order process by sharing your specific requirements or desired applications with us. We will then carefully craft a personalized quote, tailored exclusively for your necessities, using either your detailed input or our expert suggestions. Upon finalizing the drawings and making a deposit, we will formalize the order and initiate production. Rest assured, every specification will be executed with precision, ensuring a seamless and customized solution perfectly aligned with your vision.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, ensuring every detail is executed flawlessly for a bespoke and seamless solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is entirely feasible. Please make sure to notify us formally before production begins and confirm the design according to the sample we provide. This ensures your branding is depicted with exceptional precision and excellence, perfectly representing your unique identity.
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