Experience the dawn of a groundbreaking era in hydraulic technology with our pioneering HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These components are not just parts; they represent a brilliant fusion of engineering brilliance and state-of-the-art hydraulic innovation. By ingeniously merging pressure, flow, and directional control into one cohesive unit, our valves ensure remarkable performance and steadfast reliability across all applications. Crafted with impeccable precision, they comprise three core functional modules - connecting blocks, directional valves, and end plates - all meticulously engineered for seamless integration into elite hydraulic systems, indispensable for premier engineering machinery. These valves adeptly regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key features include a sophisticated, compact design, outstanding energy efficiency, and the capability for stepless speed modulation. Furthermore, they enable multiple actuators to function concurrently under varying loads, offering extraordinary performance and versatility across a wide range of applications.
The HLPSL valves are expertly designed for constant displacement pump systems, ensuring unwavering, dependable operations in any scenario. Conversely, the HLPSV valves are meticulously engineered for variable pump systems. While they may demonstrate a slightly slower response, HLPSV valves excel in their remarkable energy-saving features, making them the optimal choice when efficiency is crucial. These valves, with their advanced engineering and environmentally conscious design, emerge as the ultimate solution for advanced hydraulic control needs, combining flawless precision, reliability, and energy efficiency into one seamless and sophisticated 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 - Experience the steadfast power of this robust, performance-reliable pump, designed to deliver consistent, unwavering performance that ensures your system's operations are seamless and efficient.;
HLPSV: Variable Displacement Pump - Discover unmatched adaptability with this versatile pump, engineered to provide unparalleled flexibility to accommodate a wide range of operational requirements with exceptional ease.;
(2) Connection Block Ports P & R Specifications - These ports bring precision engineering to life, creating a reliable foundation for enduring performance and operational excellence::
2-G3/8; Compact and efficient, this port is crafted for smooth, unhindered operational flows, ensuring your system operates at peak performance.
3-G1/2; Built for robust strength and dependability, this port strengthens your system's integrity with steadfast reliability.;
4-G3/4; Equipped with cutting-edge connectivity, it offers superior control and enhances seamless system integration.;
5, 55-G1; Achieving outstanding flow rates, this port is perfect for high-demand applications, delivering consistently reliable results.;
6-G1 1/4; Known for unmatched performance, this expertly crafted component excels in challenging conditions, overcoming obstacles with ease.;
(3) Additional Components and Specifications - Take your system capabilities to unparalleled heights of excellence with these components::
C,Standard Type - A paragon of reliability, this component is meticulously engineered to fulfill essential operational needs with precision and assurance.;
G,Throttle Valve (For HLPSL only) - Delivers precise control, significantly enhancing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unparalleled performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Customize your pressure control with precision solutions tailored to meet diverse application demands:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); These bespoke solutions ensure seamless alignment with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate system efficiency and control with precision-engineered enhancements:C - Step into innovation with our No magnetic ball valve; F - Embrace efficiency with the Normally open magnetic ball valve, which seamlessly enables pump pressurization when powered and adeptly manages unloading when unpowered; D - Discover reliability with the Normally closed magnetic ball valve, designed to facilitate pump unloading when powered and ensure pressurization when unpowered.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, meticulously crafted for secondary pressure (F50). This state-of-the-art feature guarantees enhanced safety protocols, significantly elevating operational security and instilling unmatched reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience groundbreaking versatility and precision with customizable pressure settings spanning from 63 to 400 bar. This avant-garde component exemplifies adaptability, fully accommodating a diverse spectrum of hydraulic requirements. For seamless configurations, /NF represents no pressure limiting valve, meticulously tailored for HLPSV, ensuring pristine 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; Delve into the realm of engineering marvels, where each series is meticulously crafted to cater to diverse applications, delivering a product that aligns seamlessly with your exact specifications and 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, crafted with 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.
(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 meet specific functional requirements with unparalleled precision.
(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 engineered for superior performance and unwavering 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 peace of mind.
(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 meticulously engineered for precise control and unmatched functionality.
(14) Operation modes: Experience an extensive selection of operation modes, each meticulously engineered for comprehensive and precise control. Choose from a diverse array: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a seamless blend of electric proportional control and manual operation; D, electric switching value control; DA(1,2), an innovative combination of 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. Each mode is crafted for precision and reliability, ensuring your systems function with exceptional efficiency.
(15) Ancillary block port sizes: Elevate your systems with our exquisitely engineered port size solutions, meticulously crafted for perfect adaptability and seamless integration. Select from our expertly designed options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each choice offers unmatched flexibility and is specifically tailored to meet your precise needs with exceptional efficiency and effectiveness.
(16) End plate options: Explore our extraordinary suite of precisely tailored end plate innovations. E1 sets the industry standard with an external pilot oil discharge and an external oil return control port T. Enhance your operations with E2, adding an additional port Y for increased functionality. Discover E3, a breakthrough innovation featuring a 2-position 3-way magnetic ball valve that elevates your system's pressure to premier safety valve levels when energized, ensuring unrivaled performance and supreme reliability.
E4 mirrors the excellence of E1 with an internal pilot oil discharge and a sealed port T. E5 enhances the capabilities of E2, now with internal discharge features. Advance confidently with E6, echoing the groundbreaking design of E3. Every variant promises superior discharge control to ensure your system's peak efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and dependability with our comprehensive range of expertly tailored solutions. Choose G12-12VDC for specialized applications demanding uncompromised safety and compatibility. Each option is crafted to provide maximum reliability under challenging conditions.G24: The definitive choice for unwavering performance and rock-solid dependability, ensuring your operations never falter.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Enhance your strategic selection with these options, precision-engineered for peak efficiency and adaptability across various demanding environments.12: Exemplifying precision and reliability, expertly crafted for seamless integration into your systems, ensuring flawless operation every time.bb621436: The hallmark of excellence, setting a new benchmark in our innovative design, representing the pinnacle of engineering and quality.
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 engage in meticulous preparations and uphold unparalleled standards of quality control. Each product is crafted with precision to ensure it arrives in immaculate condition. Our steadfast dedication to providing you with flawless delivery underpins our promise to achieve your utmost satisfaction.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer an exceptionally low minimum order quantity, allowing you the remarkable opportunity to purchase as little as a single piece for sample verification. This provides the flexibility to effortlessly initiate your projects, catering precisely to your individual requirements with supreme 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 intended applications with us. We will then craft a bespoke quote, perfectly aligned with your needs, based either on your detailed specifications or our expert guidance. With the completion of drawings and a deposit, the order will be formalized, and production will commence. We guarantee that every detail will be attended to with precision, delivering a seamless, tailor-made solution that perfectly aligns with your vision.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, ensuring that every detail is meticulously executed to create a seamless and tailored solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is entirely possible. Kindly ensure that you notify us formally before production begins and confirm the design according to the sample we provide. This guarantees that your branding is represented with exceptional precision and excellence, embodying your identity perfectly.
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