Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, an epitome of hydraulic engineering excellence. These revolutionary marvels are the culmination of advanced hydraulic innovation, adeptly integrating pressure, flow, and directional control in one flawless, harmonious entity. This ensures extraordinary performance and reliability in every use case. Typically comprising three essential modules - connecting blocks, directional valves, and end plates - these valves are expertly designed for seamless integration into high-end hydraulic systems, indispensable for elite engineering machinery. They precisely regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unparalleled precision and control. Outstanding features include a compact structure, superior energy efficiency, and the ability for stepless speed control. Moreover, they enable multiple actuators to operate concurrently under diverse loads, delivering unmatched performance and versatility for any application.
The HLPSL valves are meticulously tailored for constant displacement pump systems, guaranteeing unwavering and dependable operation across all settings. Conversely, the HLPSV valves are masterfully crafted for variable pump systems. While HLPSV valves may exhibit a marginally slower response time, they excel in providing remarkable energy-saving performance, rendering them the ultimate choice for scenarios where efficiency is of utmost importance. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the premier solution for sophisticated hydraulic control needs, offering an ideal amalgamation of precision, reliability, and efficiency.
| 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 - The cornerstone of consistent and unwavering performance, ensuring your operations run smoothly and efficiently.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations::
2-G3/8; Designed for compact efficiency, catering to streamlined and seamless operational flows.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges.;
(3) Additional Components and Specifications - Lifting system capabilities to new heights::
C,Standard Type - A reliable and trustworthy baseline, tailored to your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to meet your specific operational needs seamlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing it when unpowered;D/F - Experience unparalleled safety with our pressure limiting valve for secondary pressure (F50). This feature incorporates a specified pressure value, providing cutting-edge safety measures to safeguard your operations efficiently and effectively.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This component redefines versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. For those seeking simplicity, /NF indicates no pressure limiting valve, specifically crafted for HLPSV, assuring optimal pressure control across diverse scenarios. It's a must-have for all your hydraulic needs.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted to cater to every application, ensuring you receive a product perfectly aligned 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; including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly crafted for seamless integration and enhanced efficiency.
(9)Directional valve block inflow controller options: Choose from these precise options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, ideal for the N 3/3-way valve; 5, reinforced inflow controller; 8, with pre-selectable options, each designed to ensure precision and efficiency.
(10) Valve core function symbols: Discover a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each engineered meticulously to meet unique functional demands.
(11) Output flow code for ports A & B: Achieve maximum efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, optimized for superior performance.
(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 robust system safety and reliability.
(13) Function ON/OFF and pressure outlet options: Customize your experience with options including: 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 tailored for precision control.
(14) Operation modes: Explore diverse operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), combining electric proportional control with manual operation; D, electric switching value control; DA(1,2), blending electric switching value control with 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, engineered for comprehensive control.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered for seamless adaptability and enhanced versatility.
(16) End plate options: Experience the pinnacle of customization with our tailored end plate selections: E1, our standard option, featuring an external discharge of pilot oil and an external oil return control port T, perfectly engineered for a seamless operation; E2, mirrors E1 but boasts an additional port Y for enhanced functionality; E3, integrates a 2-position 3-way magnetic ball valve, expertly raising system pressure to safety valve levels during power supply, ensuring peak performance and safety.
E4, akin to E1, yet offers internal discharge of pilot oil with a sealed port T; E5, a mirror of E2, but optimizes internal discharge for elevated control precision; E6, akin to E3, each guaranteeing advanced discharge management, catering to the most demanding of hydraulic applications.
(17) Control voltage and the length of anti-explosion type cable options: Choose from our meticulously curated selections such as G12-12VDC, designed to ensure unmatched safety and compatibility with highly specialized applications, meeting the rigorous demands of modern hydraulic systems.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and excellence in the hydraulic industry. As a prestigious subsidiary of the eminent China Baoan Group (stock code: 000009), we are proud to be recognized as a distinguished national high-tech enterprise. Our specialization in the meticulous research, development, manufacturing, and sales of premium hydraulic components sets us apart. 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 trailblazers in our field.
Our flagship product, the Load Sensitive Proportional Valve for Hydraulic Equipment Safety Control, represents the zenith of cutting-edge hydraulic system control. Exquisitely engineered for construction machinery and heavy-duty equipment, this versatile component is indispensable for high-stakes applications like 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 steadfast in our commitment to delivering exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence worldwide.
Question:1. What about the lead time?
Answer:The lead time for production is typically around one month following receipt of payment. During this period, we engage in detailed preparation and implement stringent quality control measures to ensure that every product reaches you in perfect condition. Your satisfaction with our impeccable delivery is our top priority.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer an impressively low minimum order quantity, allowing you the flexibility to order even a single piece for sample verification. This adaptability means you can start your projects with ease and precision, meeting your unique requirements without hassle.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate the process by sharing your detailed requirements or intended applications with us. We will then tailor a quote specifically for you, based on your needs or through our expert advice. Upon confirming the drawings and placing a deposit, we will finalize the order and commence production. We ensure every specification is adhered to with precision, offering you a seamless and customized solution.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 certainly possible. Please make sure to inform us formally before the production begins and confirm the design based on the sample we provide. This ensures that your branding is showcased with utmost precision and superior quality, reflecting your identity perfectly.
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