Step into a new age of hydraulic advancement with our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. They are much more than standard components; these valves represent the pinnacle of engineering prowess melded with leading-edge hydraulic technology. By unifying pressure, flow, and directional control into one seamless unit, our valves ensure unmatched performance and steadfast reliability in every possible application. Engineered to perfection, they are composed of three core functional modules: connecting blocks, directional valves, and end plates, all meticulously designed for flawless integration into premier hydraulic systems that are indispensable for elite engineering machinery. These valves precisely manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched accuracy and control. Key highlights include a sleek, compact design, exceptional energy efficiency, and the capability for smooth, stepless speed modulation. Additionally, they enable multiple actuators to function simultaneously under varying loads, offering extraordinary performance and versatility across a wide range of applications.
The HLPSL valves are masterfully designed for constant displacement pump systems, ensuring consistent and dependable operations in any circumstance. In contrast, the HLPSV valves are intricately engineered for variable pump systems. Despite a slightly slower response, HLPSV valves excel with superior energy savings, making them the ultimate choice when efficiency is a top priority. These valves, embodying state-of-the-art engineering and eco-friendly design, rise as the premier solution for advanced hydraulic control requirements, uniting impeccable precision, reliability, and energy efficiency into a single, 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 stalwart of operational consistency ensures seamless, uninterrupted performance, delivering reliability that elevates your entire system.;
HLPSV: Variable Displacement Pump - Embodying versatility and adaptability, this remarkable pump meets diverse operational demands with unparalleled ease and proficiency.;
(2) Connection Block Ports P & R Specifications - The epitome of precision engineering, offering a reliable framework for sustained operations::
2-G3/8; Engineered for compact efficiency, facilitating smooth and unimpeded operational flows.
3-G1/2; Designed for robust performance, ensuring a strong foundation for maintaining your system's integrity.;
4-G3/4; With superior connectivity, it provides enhanced control and seamless system integration.;
5, 55-G1; Ideal for high-demand applications, offering exceptional flow rates and consistent reliability.;
6-G1 1/4; Engineered to excel in challenging environments, this component delivers unmatched performance effortlessly.;
(3) Additional Components and Specifications - Pushing system capabilities to unprecedented levels of excellence::
C,Standard Type - A beacon of reliability, crafted with precision to meet essential operational demands.;
G,Throttle Valve (For HLPSL only) - Provides precise control, significantly boosting the system's overall efficacy.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, ensuring unparalleled performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering precisely tailored pressure control solutions for diverse application requirements:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering custom solutions perfectly aligned with your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Precision-enhanced control for superior system efficiency:C - Experience the next level of hydraulic control with our no magnetic ball valve option. F - Select our normally open magnetic ball valve, enabling your pump to efficiently pressurize when powered and gracefully unload when unpowered. D - Opt for the normally closed magnetic ball valve, facilitating seamless pump unloading when powered and impeccable pressurization when unpowered.D/F - Elevate your operational safety to unparalleled heights with our precision-engineered pressure limiting valve, specifically crafted for secondary pressure (F50). This cutting-edge feature ensures superior safety protocols, substantially augmenting your operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unlock revolutionary versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component stands as a beacon of adaptability, perfectly catering to a broad spectrum of hydraulic demands. For flawless configurations, /NF signifies no pressure limiting valve, meticulously customized for HLPSV, guaranteeing impeccable pressure management across a wide array of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as an engineering marvel, expertly crafted to address diverse applications, offering a product that aligns seamlessly 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; complemented by ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously engineered for seamless integration and operation.
(9)Directional valve block inflow controller options: Select from a wide spectrum of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, tailored specifically for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering unparalleled precision and exceptional efficiency.
(10) Valve core function symbols: Explore a vast array of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional demands.
(11) Output flow code for ports A & B: Maximize efficiency with top-tier output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly designed to deliver 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, ensuring unmatched system safety.
(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 functionality.
(14) Operation modes: Dive into a world of versatility with our comprehensive selection of operation modes meticulously curated for your every need: A(1,2) offers manual operation with the choice of long or short handles for personalized control. E stands for electric proportional control delivering precision at your fingertips. EA(1,2) combines the best of both worlds, merging electric proportional control with manual operation for flexibility and command. D introduces electric switching value control, while DA(1,2) fuses this with manual operation for seamless transitions. M provides manual friction positioning with an elongated handle for stability. H brings pure hydraulic control, synchronizing pilot oil ports with oil ports A and B for unmatched alignment. F offers pure hydraulic control with perpendicular pilot oil ports, all crafted with exquisite precision for comprehensive and meticulous control.
(15) Ancillary block port sizes: Empower your systems with our premium port size solutions, designed to seamlessly integrate and adapt with exceptional efficiency. Select from our precision-engineered options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option is a testament to flexibility, crafted to meet your exact specifications and operational needs with superior performance.
(16) End plate options: Discover our remarkable collection of end plate innovations, each crafted with precision and excellence. E1 sets the benchmark, featuring an external pilot oil discharge and a dedicated external oil return control port T for optimal performance. E2 enhances functionality with an additional port Y, elevating your system's capabilities. E3 stands as a breakthrough, integrating a 2-position 3-way magnetic ball valve that elevates your system's pressure to safety valve levels when energized, ensuring unparalleled reliability and superior performance.
E4, akin to E1, provides internal pilot oil discharge with a sealed port T, ensuring contained and efficient operation. E5 parallels the excellence of E2, with added internal discharge capabilities for advanced applications. E6 reflects E3's innovative spirit, delivering forward-thinking design and precise discharge control, guaranteeing your system performs with peak efficiency and reliability.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and dependability with our comprehensive range of precisely tailored solutions. Choose G12-12VDC for specialized applications that demand unmatched safety and compatibility, ensuring robust and reliable performance.G24: The epitome of reliable performance, designed for steadfast dependability in every application.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Our expertly engineered options are crafted to provide peak efficiency and adaptability, mastering various challenging environments with superior performance.12: The embodiment of precision and reliability, painstakingly crafted for seamless integration into your systems.bb621436: A hallmark of excellence, this code signifies our commitment to pioneering design and setting industry standards.
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 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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