Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations represent the pinnacle of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into a singular, harmonious masterpiece. This guarantees unparalleled performance and reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for integration into high-end hydraulic systems, crucial for top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights encompass a compact structure, superior energy efficiency, and the capability for stepless speed control. Beyond this, they empower multiple actuators to operate simultaneously under varying loads, delivering unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. On the other hand, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in delivering exceptional energy-saving performance, making them the ultimate choice for applications where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering a perfect blend 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 - This integral component guarantees unwavering and consistent performance, ensuring your operations maintain seamless and efficient flow without interruption.;
HLPSV: Variable Displacement Pump - A paradigm of adaptability, this pump offers extraordinary versatility, perfectly aligning with diverse operational demands.;
(2) Connection Block Ports P & R Specifications - Precision and reliability intersect here, laying the groundwork for dependable operations::
2-G3/8; Engineered for compact efficiency, this size facilitates streamlined and seamless operational flows.
3-G1/2; Emphasizing robustness and reliability, this dimension offers a solid foundation for your system.;
4-G3/4; Providing advanced connectivity, this size enhances control and system integration.;
5, 55-G1; Delivering an exceptional flow rate, this choice is optimal for high-demand applications, ensuring steady performance.;
6-G1 1/4; Crafted for unmatched performance, this size is designed to excel in challenging environments.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A steadfast and reliable baseline, meticulously crafted to meet your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Guarantees precision in control, significantly boosting system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This component optimizes flow management, promoting superior performance and unwavering dependability.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control solutions tailored for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering bespoke solutions to seamlessly meet your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Maximizing efficiency and enhancing control capability:C - No magnetic ball valve; F - Normally open magnetic ball valve, activating the pump upon power, deactivating when power is cut; D - Normally closed magnetic ball valve, deactivating the pump upon power, activating when power is cut;D/F - Equipped with a pressure limiting valve for secondary pressure (F50), designed with precision to feature a specified pressure value, this product offers top-tier advanced safety measures that secure and optimize operational processes, ensuring peace of mind in high-stakes environments.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the epitome of versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. For those who seek simplicity, /NF represents the option without a pressure limiting valve, specifically designed for HLPSV. This feature guarantees optimal pressure control across varying scenarios, making it an essential component 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 meet every application, ensuring a perfect match for your precise needs, reflecting our commitment to delivering superior quality and performance.
(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 for seamless integration, catering to complex hydraulic systems with ease.
(9)Directional valve block inflow controller options: Choose from a selection of precision-engineered options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, ideal for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each meticulously crafted to ensure supreme precision and efficiency, tailored to your specific operational requirements.
(10) Valve core function symbols: Delve into a comprehensive suite of core function symbols: L, M, F, H, J, B, R, O, N, each intricately designed to address and fulfill distinct functional requirements, showcasing unparalleled engineering excellence.
(11) Output flow code for ports A & B: Achieve maximum operational efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, tailored to deliver optimal performance and meet your hydraulic system's demands.
(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 in critical operations.
(13) Function ON/OFF and pressure outlet options: Explore customizable options designed for precision control: 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 to provide high-precision control and adaptability.
(14) Operation modes: Discover diverse operation modes available: 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), merging 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, all meticulously crafted to offer comprehensive control and flexibility.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each engineered for seamless adaptability, ensuring a perfect fit for varied hydraulic configurations.
(16) End Plate Options: Discover our tailor-made end plate selections, designed to meet your specific needs with precision and reliability. Choose from: E1, the standard option, featuring an external discharge for pilot oil and an external oil return control port (T); E2, expands on E1 by offering an additional port (Y) for increased functionality; E3, integrates a 2-position 3-way magnetic ball valve, enabling elevation of system pressure to safety valve levels during power supply, ensuring unparalleled safety and efficiency.
E4, mirrors E1 but offers internal discharge of pilot oil with a sealed port (T); E5, mirrors E2 with internal discharge capabilities; E6, mirrors E3, each providing sophisticated discharge control mechanisms to enhance operational reliability.
(17) Control Voltage & Anti-Explosion Cable Length Options: Select from our reliable voltage options such as G12-12VDC, guaranteeing safety and compatibility with an array of specialized applications, promoting seamless integration and performance.G24 - a versatile voltage option ensuring robust performance.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G - explore a variety of configurations to perfectly suit your operational requirements.12 - an efficient choice for optimized systems.bb621436 - your reference for advanced system components.
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 flagship product, the load-sensitive proportional valve, epitomizes 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:Our lead time is typically one month after payment is received. During this period, we meticulously prepare and conduct rigorous quality control to ensure every product is flawless upon arrival. Delivering on time and exceeding your expectations is our utmost commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We boast a remarkably low minimum order quantity, allowing you to order even a single piece for sample evaluation. This flexibility ensures you can embark on your projects effortlessly, aligning precisely with your specific needs.
Question:3. How to proceed with an order for LED lights?
Answer: Start by sharing your detailed requirements or the intended applications with us. We will provide a tailored quote based on your specifications or our expert advice. After confirming the drawings and placing a deposit, we finalize and begin production, ensuring that every specification is met with accuracy, providing you a fluid and personalized solution.drawings,and place a deposit to formalize the order. We will then organize production, ensuring every detail is executed flawlessly, offering you a seamless and customized experience.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is entirely possible. Please inform us formally before production begins and confirm the design based on the sample we provide. This ensures your branding is represented with exceptional precision and quality, perfectly capturing your identity.
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