Welcome to the pinnacle of hydraulic technology innovation with our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These components are far from ordinary; they symbolize a superior fusion of engineering excellence and cutting-edge hydraulic advancement. By harmoniously combining pressure, flow, and directional control into a single, unified entity, our valves offer outstanding performance and unwavering dependability in every application. Masterfully engineered, they feature three essential functional modules: connecting blocks, directional valves, and end plates, meticulously designed for seamless integration into elite hydraulic systems, indispensable for premier engineering machinery. These valves precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Noteworthy attributes include a sleek, compact design, superior energy efficiency, and the capacity for stepless speed modulation. Additionally, they enable multiple actuators to function simultaneously under diverse load conditions, offering unparalleled performance and versatility across a wide range of applications.
The HLPSL valves are expertly engineered for constant displacement pump systems, ensuring steadfast and reliable operations in any situation. Conversely, the HLPSV valves are meticulously designed for variable pump systems. Although they may exhibit a slightly slower response time, HLPSV valves distinguish themselves with their remarkable energy-saving capabilities, making them the preferred choice when efficiency is of utmost importance. These valves emerge as the ultimate solution for sophisticated hydraulic control requirements, combining impeccable precision, reliability, and energy efficiency in one seamless package, thanks to their advanced engineering and eco-friendly design.
| 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 - A stalwart in reliability, this pump ensures unwavering, consistent delivery throughout your system, facilitating seamless and effective operations.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and versatility, this pump excels in flexibility, adeptly meeting diverse operational demands with ease.;
(2) Connection Block Ports P & R Specifications - The perfect marriage of precision engineering and reliability, creating a steadfast operational foundation::
2-G3/8; Expertly designed for compact efficiency, it guarantees uninterrupted and smooth operational flows.
3-G1/2; Engineered for robust performance, it provides a resilient base to uphold your system's integrity.;
4-G3/4; Featuring advanced connectivity, this component enhances system integration with superior control.;
5, 55-G1; With exceptional flow rates, it is perfect for demanding applications, delivering reliable and consistent results.;
6-G1 1/4; A paragon of performance, this component is crafted to excel in challenging environments and overcome obstacles effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unparalleled heights of excellence::
C,Standard Type - A pillar of reliability, this component is meticulously designed to meet essential operational needs with precision.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, greatly enhancing the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unmatched performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions, precisely tailored to meet diverse application needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); These bespoke solutions seamlessly align with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhances system efficiency and control with precision:C - No magnetic ball valve; F - Normally open magnetic ball valve, a state-of-the-art innovation that powers up to pressurize the pump and smartly unloads when unpowered; D - Normally closed magnetic ball valve, seamlessly designed to unload the pump upon activation and pressurize when unpowered, offering an unparalleled level of efficiency;D/F - Elevate your safety standards with our meticulously engineered pressure limiting valve, crafted for secondary pressure (F50). This cutting-edge feature ensures the highest safety protocols, dramatically enhancing the operational reliability and security of your system like never before.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover revolutionary versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component epitomizes adaptability, effortlessly meeting a vast array of hydraulic needs. For flawless configurations, /NF indicates no pressure limiting valve, perfectly tailored for HLPSV, ensuring impeccable pressure management across diverse applications with unmatched precision.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering marvel, flawlessly crafted to cater to a wide array of applications, providing you with a superior product that aligns seamlessly with your unique specifications and needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; featuring ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, all engineered with precision for seamless integration and optimal operation.
(9)Directional valve block inflow controller options: Choose from a comprehensive range of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, tailor-made for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering unparalleled precision and extraordinary efficiency.
(10) Valve core function symbols: Explore a diverse selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional requirements with the utmost precision.
(11) Output flow code for ports A & B: Achieve optimal efficiency with superior output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly crafted to deliver exceptional performance and reliability in every application.
(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 unmatched safety and uncompromised system integrity.
(13) Function ON/OFF and pressure outlet options: Tailor 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 option meticulously crafted for precise control and exceptional functionality.
(14) Operation modes: Discover an extensive selection of finely tuned operation modes designed for precision and versatility. Choose from: A(1,2) for manual operation with a choice of long or short handle; E for electric proportional control offering dynamic adaptability; EA(1,2), which combines the best of electric proportional control with manual operation for optimal flexibility; D for electric switching value control, delivering responsive adjustments; DA(1,2) that amalgamates electric switching with manual operation for enhanced control; M for manual friction positioning with a long handle for steady control; H for pure hydraulic control that ingeniously aligns pilot oil ports with oil ports A and B; F offers pure hydraulic control with strategically perpendicular pilot oil ports, all crafted to provide unparalleled comprehensive and precise control.
(15) Ancillary block port sizes: Unlock the full potential of your systems with our precisely engineered port size solutions, crafted to ensure exceptional adaptability and seamless integration. Choose from a variety of expertly designed options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each meticulously tailored option offers unmatched flexibility, ensuring that every need is met with exceptional efficiency and precision.
(16) End plate options: Immerse yourself in an exceptional array of bespoke end plate innovations. E1 sets a benchmark with its external pilot oil discharge and an external oil return control port T, providing robust functionality. E2 elevates this with an additional port Y, enhancing your system's capability. Explore the revolutionary E3, which seamlessly integrates a 2-position 3-way magnetic ball valve, boosting your system's pressure to premier safety valve levels when energized. This ensures superior performance coupled with unmatched reliability.
E4, akin to E1, offers uniqueness with an internal pilot oil discharge and a sealed port T. E5 mirrors E2's excellence, now further refined with internal discharge capabilities. Venture into advanced technology with E6, echoing the forward-thinking design of E3. Each variant is engineered for superior discharge control, ensuring your system operates at its peak efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and reliability with our expansive range of expertly tailored solutions. G12-12VDC stands out as an impeccable choice, ideal for specialized applications where safety and compatibility are paramount.G24: The definitive standard for unwavering performance and steadfast dependability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Elevate your strategic selection with these options, meticulously engineered to achieve peak efficiency and adaptability across a spectrum of challenging environments.12: Representing precision and unwavering reliability, these options are expertly tailored for seamless integration into your system's architecture.bb621436: The epitome of excellence, setting a new benchmark in our trailblazing 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. Revel in our expertise 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 propels us as frontrunners in our field, continually pushing the boundaries of what's possible.
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 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 on the world stage.
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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