Step into the future of hydraulic technology with our pioneering HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. More than just components, these marvels of engineering excellence and innovative hydraulic design set a new standard. By ingeniously merging pressure, flow, and directional control into a single, unified system, our valves offer extraordinary performance and steadfast reliability in every application. Crafted with meticulous precision, they include three essential functional modules - connecting blocks, directional valves, and end plates - each thoughtfully designed for seamless integration into elite hydraulic systems, crucial for top-tier engineering machinery. These valves precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision and control. Key features include a streamlined, compact design, exceptional energy efficiency, and stepless speed control. Additionally, they enable multiple actuators to function simultaneously under varied loads, delivering exceptional performance and flexibility across a wide range of applications.
The HLPSL valves are expertly customized for constant displacement pump systems, guaranteeing steadfast and reliable operation under any conditions. Conversely, the HLPSV valves are skillfully crafted for variable pump systems. Though they may respond slightly slower, the HLPSV valves excel in their remarkable energy-saving abilities, making them the perfect choice when efficiency is crucial. With cutting-edge engineering and a design focused on sustainability, these valves emerge as the quintessential solution for advanced hydraulic control requirements, uniting flawless precision, reliability, and energy efficiency in one 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 resilient titan of performance reliability provides unwavering, consistent delivery, ensuring seamless and effective operations across your entire system.;
HLPSV: Variable Displacement Pump - The quintessential model of versatility and adaptability, this pump offers unparalleled flexibility to meet a wide array of operational demands with exceptional ease.;
(2) Connection Block Ports P & R Specifications - Where precision engineering meets reliability to form an enduring operational framework::
2-G3/8; Designed with compact efficiency in mind, it ensures smooth and unhindered operational flows.
3-G1/2; Crafted for robust performance and dependability, providing a strong foundation for sustaining your system's integrity.;
4-G3/4; With state-of-the-art connectivity, it offers superior control and enhances system integration seamlessly.;
5, 55-G1; With outstanding flow rates, it's ideal for high-demand applications, delivering consistent and reliable outcomes.;
6-G1 1/4; Offering unmatched performance, this component is expertly crafted to excel in challenging environments, overcoming obstacles effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights of excellence::
C,Standard Type - A bastion of reliability, meticulously engineered to fulfill essential operational needs with precision.;
G,Throttle Valve (For HLPSL only) - Delivers precision control, significantly enhancing the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Providing tailored pressure control solutions to meet diverse application needs with precision:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions that seamlessly align with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control with precision:C - Non-magnetic ball valve; F - Normally open magnetic ball valve, ingeniously designed to power pump pressurization and enable unloading when unpowered; D - Normally closed magnetic ball valve, skillfully crafted to facilitate pump unloading when powered, while ensuring sustained pressurization when unpowered.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, meticulously designed for secondary pressure applications (F50). This state-of-the-art feature guarantees advanced safety protocols, significantly enhancing operational security and reliability for peace of mind across operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in groundbreaking versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component exemplifies adaptability, accommodating a diverse range of hydraulic requirements. For seamless configurations, /NF indicates no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across a spectrum 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 meet diverse applications, providing you with a product that aligns seamlessly with your precise needs and expectations.
(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 exceptional precision for seamless integration and optimal operation.
(9)Directional valve block inflow controller options: Select from a diverse 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 delivering precision and exceptional efficiency tailored to your specific requirements.
(10) Valve core function symbols: Discover a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to fulfill specific functional requirements with utmost precision and reliability.
(11) Output flow code for ports A & B: Maximize 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 in demanding applications.
(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, these options ensure 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 option is meticulously engineered for precise control and exceptional functionality.
(14) Operation modes: Select from a diverse array of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a fusion of electric proportional control and manual operation; D, electric switching value control; DA(1,2), combined electric switching value control and manual operation; M, manual friction positioning with long handle; H, pure hydraulic control (alignment of pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, all meticulously crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Empower your systems with our exquisitely engineered port size solutions, crafted to ensure perfect adaptability and seamless integration. Choose from our expertly designed array of options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option delivers unmatched flexibility and is meticulously tailored to fulfill your precise needs with exceptional efficiency.
(16) End plate options: Dive into our extraordinary suite of precisely tailored end plate innovations. E1 sets the standard, featuring external pilot oil discharge and an external oil return control port T. Elevate your experience with E2, which introduces an additional port Y for enhanced functionality. Explore the breakthrough innovation of E3, integrating a 2-position 3-way magnetic ball valve. This elevates your system's pressure to premier safety valve levels when energized, ensuring superior performance and unmatched reliability.
E4, much like E1, is distinct with an internal pilot oil discharge and a sealed port T. E5 mirrors the excellence of E2, now enhanced with internal discharge capabilities. Step confidently into advanced technology with E6, echoing E3's forward-thinking design. Each variant guarantees superior discharge control, ensuring your system operates at peak efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Strengthen your system's safety and reliability with our extensive range of expertly tailored solutions. Opt for G12-12VDC, perfect for specialized applications that demand uncompromised safety and compatibility.G24: The ultimate choice for steadfast performance and unwavering dependability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Enhance your strategic selection with these options, engineered for peak efficiency and adaptability across various challenging environments.12: Embodying precision and reliability, expertly tailored for flawless integration into your systems.bb621436: The code of excellence, setting a benchmark in our pioneering 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.
Introducing our pioneering Safety Atex Valve, the flagship marvel of cutting-edge hydraulic control systems. With exceptional engineering crafted for the rigorous demands of construction machinery and heavy-duty equipment, this versatile component is indispensable for high-stakes applications, including emergency rescue missions, tunnel engineering, mining operations, and municipal service units. 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:Our typical lead time is around one month from the moment we receive your payment. During this pivotal timeframe, we meticulously prepare and implement rigorous quality control measures, ensuring that each product is delivered to you in impeccable condition. Our steadfast commitment is to achieve your ultimate satisfaction through our dedication to flawless delivery.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer an incredibly low minimum order quantity, allowing you the remarkable advantage of ordering as little as one piece for sample verification. This exceptional flexibility enables you to effortlessly launch your projects, precisely catering to your specific needs with optimal convenience.
Question:3. How to proceed with an order for LED lights?
Answer: Begin your order process by communicating your distinct requirements or intended applications to us. We will then craft a bespoke quote tailored specifically to your needs, influenced by either your detailed inputs or our expert suggestions. Once the drawings are finalized and the deposit is placed, we will formalize the order and initiate production, assuring that each specification is met with precision to deliver a seamless, custom solution aligned perfectly 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 make sure to formally inform us before production begins and confirm the design as per the sample we provide. This ensures that your branding is represented with outstanding precision, perfectly capturing your identity with excellence.
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