Experience the dawn of a groundbreaking epoch in hydraulic technology with our state-of-the-art HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These components transcend ordinary functionality; they represent a symphony of engineering mastery and avant-garde hydraulic innovation. By flawlessly merging pressure, flow, and directional control into a unified, cohesive entity, our valves ensure unmatched performance and steadfast reliability across every application. Each valve is meticulously crafted with precision and comprises three essential functional modules - connecting blocks, directional valves, and end plates - engineered with the utmost care for seamless integration into elite hydraulic systems, vital for superior engineering machinery. Our valves adeptly regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Standout features include a sleek, compact design, exceptional energy efficiency, and the capability for stepless speed modulation. Furthermore, they enable multiple actuators to operate concurrently under varying loads, delivering unmatched performance and versatility for a myriad of applications.
The HLPSL valves are ingeniously tailored for constant displacement pump systems, ensuring steadfast, reliable operations in any situation. Meanwhile, the HLPSV valves are meticulously designed for variable pump systems. Despite a slightly slower response, the HLPSV valves are distinguished by their exceptional energy-saving capabilities, making them the perfect choice when efficiency is paramount. These valves, with their advanced engineering and eco-friendly design, emerge as the definitive solution for sophisticated hydraulic control demands, embodying supreme 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 remarkable powerhouse of performance reliability guarantees unyielding, steady delivery, ensuring smooth and effective operations throughout your entire system.;
HLPSV: Variable Displacement Pump - The epitome of flexibility and resilience, this pump provides unmatched adaptability to cater to a broad spectrum of operational demands with unparalleled ease.;
(2) Connection Block Ports P & R Specifications - Combining precision engineering with unwavering reliability to create a lasting operational framework::
2-G3/8; Designed for compact efficiency, this port ensures smooth, uninterrupted operational flows.
3-G1/2; Crafted for robust performance and dependable operation, providing a sturdy foundation to maintain your system's integrity.;
4-G3/4; Featuring state-of-the-art connectivity, it offers superior control and seamlessly enhances system integration.;
5, 55-G1; With excellent flow rates, it's perfect for high-demand applications, delivering consistent, reliable results.;
6-G1 1/4; Providing unmatched performance, this component is expertly designed to excel in challenging environments, overcoming obstacles with ease.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights of excellence::
C,Standard Type - A pillar of reliability, meticulously crafted to fulfill essential operational needs with precision.;
G,Throttle Valve (For HLPSL only) - Provides precision control, significantly boosting the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving extraordinary performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering 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); Providing custom 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 unmatched precision:C - No magnetic ball valve; F - Normally open magnetic ball valve, a revolutionary design that enables pump pressurization when powered and seamlessly transitions to unloading when unpowered; D - Normally closed magnetic ball valve, offering an innovative solution for pump unloading when powered and efficient 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 component is an embodiment of advanced safety protocols, significantly enhancing operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience groundbreaking versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component embodies adaptability, adeptly accommodating a diverse range of hydraulic requirements. For seamless configurations, /NF signifies no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across a wide spectrum of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to engineering marvel, expertly crafted to meet an array of applications, providing you with a product that aligns seamlessly with your precise 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 seamless integration and flawless operation.
(9)Directional valve block inflow controller options: Select from a versatile array 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 exceptional precision and remarkable efficiency.
(10) Valve core function symbols: Discover an extensive selection of core functions: L, M, F, H, J, B, R, O, N, each expertly engineered to fulfill specific functional requirements with unmatched precision.
(11) Output flow code for ports A & B: Maximize system efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, 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 uncompromised system safety.
(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 precision control and optimal functionality.
(14) Operation modes: Discover a versatile range of operation modes meticulously designed for optimal precision and versatility. A(1,2): Manual operation with a choice of long or short handle; E: Electric proportional control for precise adjustments; EA(1,2): A seamless blend of electric proportional and manual operation; D: Electric switching value control for dynamic functionality; DA(1,2): Combined electric switching and manual control; M: Manual friction positioning with a long handle for steady control; H: Pure hydraulic control, aligning pilot oil ports with A and B; F: Pure hydraulic control with perpendicular pilot oil ports, all crafted to deliver comprehensive, accurate control.
(15) Ancillary block port sizes: Seamlessly integrate our expertly crafted port size solutions into your systems, ensuring unmatched adaptability and efficiency. Choose from our meticulously engineered options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1, each offering exceptional flexibility tailored to your specific requirements.
(16) End plate options: Explore our exceptional suite of end plate innovations, each precisely engineered to enhance your system's performance. E1: Features external pilot oil discharge and external oil return control port T. E2: Adds an additional port Y for increased functionality. E3: Integrates a 2-position 3-way magnetic ball valve, elevating system pressure to premier safety valve levels when energized, ensuring superior performance and reliability.
E4: Similar to E1, features internal pilot oil discharge and a sealed port T. E5: Mirrors E2 with the advantage of internal discharge capabilities. E6: Embodies E3's forward-thinking design, guaranteeing excellent discharge control for peak system performance and efficiency.
(17) Control voltage and anti-explosion cable options: Enhance the safety and dependability of your system with our comprehensive range of tailored solutions. G12-12VDC: Ideal for specialized applications demanding utmost safety and compatibility.G24: Your ultimate choice for robust performance and unwavering reliability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Elevate your strategic selections with these options, engineered for maximum efficiency and adaptability in diverse challenging environments.12: Precision and reliability embodied, expertly designed for flawless integration into your systems.bb621436: The embodiment of excellence, setting a new standard in our pioneering design.
Since our auspicious inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and excellence in the hydraulic industry. As an illustrious subsidiary of the renowned China Baoan Group (stock code: 000009), we are proud to be a distinguished national high-tech enterprise. Our core competence is centered around the meticulous research, advanced development, precision manufacturing, and strategic sales of premium hydraulic components. Our prestigious designation as a national 'specialized, refined, and innovative' small giant enterprise is a testament to our unwavering commitment to technological advancement and superior quality. This steadfast dedication firmly establishes us as pioneers and leaders in our field.
Our flagship product, the enhanced Safety Atex Valve, epitomizes the zenith of advanced hydraulic system control. Masterfully engineered for construction machinery and heavy-duty equipment, this highly adaptable component is indispensable for critical applications such as emergency rescue operations, tunnel engineering, mining, and the municipal service sector. We are immensely proud of our strategic partnerships with numerous leading domestic manufacturers, where we play an integral role in localizing core hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, captivating customers with our dedication, and retaining customers with unmatched quality'-we are staunchly committed to delivering exceptional products, unrivaled services, and groundbreaking solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new standards of excellence across the globe.
Customer Inquiry:1. What about the lead time?
Response:Our standard lead time is approximately one month following the receipt of payment. During this crucial timeframe, we meticulously prepare and apply rigorous quality control measures to ensure each product is delivered in immaculate condition. Our steadfast commitment is to guarantee your complete satisfaction with our impeccable delivery service.
Customer Inquiry:2. Do you have any MOQ limit for LED light orders?
Response: Our minimum order quantity is remarkably low, allowing you to order as little as one piece for sample verification. This extraordinary flexibility provides you the freedom to initiate your projects with ease, tailored precisely to your unique requirements with utmost convenience.
Customer Inquiry:3. How to proceed with an order for LED lights?
Response: Start your order by communicating your specific requirements or desired applications to us. We will then craft a tailored quote specifically for you, based on your detailed inputs or our professional recommendations. Once the drawings are finalized and a deposit is made, we will formalize the order and initiate production, guaranteeing precision and a customized solution that aligns seamlessly with your vision.drawings,and make a deposit to formalize the order. We will then arrange production, ensuring every detail is flawlessly executed for a seamless, customized solution.
Customer Inquiry:4. Is it OK to print my logo on the product?
Response: Certainly, this is entirely feasible. Please ensure you notify us formally before production initiates and confirm the design through the sample we provide. This ensures your brand is represented with exceptional precision and excellence, perfectly embodying your identity.
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