Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves! These revolutionary engineering marvels stand at the forefront of hydraulic innovation, seamlessly intertwining pressure, flow, and directional control into one cohesive, harmonious masterpiece. This results in extraordinary performance and reliability with every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are crafted with meticulous precision for seamless integration into high-end hydraulic systems, serving as the backbone for top-tier engineering machinery. They meticulously govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unparalleled precision and control. Key features include a remarkably compact structure, outstanding energy efficiency, and the capability for stepless speed control. Furthermore, they empower multiple actuators to operate simultaneously under varying loads, delivering unmatched 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. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they are unmatched in delivering exceptional energy-saving performance, making them the ultimate choice for applications where efficiency is of paramount importance. With their state-of-the-art engineering and energy-efficient design, HLPSV valves shine 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 is the core of stable and consistent performance, ensuring your operations are seamless and efficient, with unmatched reliability and dedication to excellence.;
HLPSV: Variable Displacement Pump - The epitome of flexibility and adaptability, offering remarkable versatility to address a wide range of operational requirements with ease and precision.;
(2) Connection Block Ports P & R Specifications - Where exactness meets trustworthiness, ensuring dependable operations with precision-engineered details::
2-G3/8; Engineered for compact efficiency, this design supports streamlined and seamless operational workflows with ease of integration.
3-G1/2; Constructed for robustness and reliability, providing a sturdy and dependable foundation for your system's infrastructure.;
4-G3/4; Facilitating advanced connectivity, this option offers superior control and enhances overall system integration to new levels.;
5, 55-G1; With an exceptional flow rate, this choice is ideal for high-demand applications, ensuring consistent and effective performance.;
6-G1 1/4; Delivers unmatched performance, crafted to excel in challenging environments and overcome obstacles with ease.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights with innovative solutions::
C,Standard Type - A steadfast and reliable baseline, customized to meet your fundamental operational requirements with precision.;
G,Throttle Valve (For HLPSL only) - Guarantees precision in control, enhancing the overall efficiency and responsiveness of the system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management for superior performance and unwavering dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions to suit a variety of application needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Each solution is tailored to seamlessly fulfill your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing control and efficiency for optimized performance:C - Without magnetic ball valve; F - Normally open magnetic ball valve, energizes the pump when powered, and unloads when not; D - Normally closed magnetic ball valve, unloads the pump when powered, and pressurizes when not; Each configuration is designed to streamline your operations.D/F - This sophisticated system is equipped with a pressure limiting valve tailored for secondary pressure (F50) with a defined pressure value. It offers advanced safety mechanisms to safeguard and enhance operational security.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This feature provides adjustable settings across a spectrum of bar levels: 63, 120, 210, 280, 315, 350, and 400, showcasing exceptional versatility and precision. For those who appreciate simplicity, /NF indicates no pressure limiting valve, specifically crafted for HLPSV. It ensures optimal pressure control in diverse scenarios, making it a critical component for your hydraulic system requirements.
(7) Product Series Classification - Setting the Benchmark of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is thoughtfully engineered to cater to every application, ensuring you receive a product that impeccably meets your unique specifications.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; complemented by ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, designed for effortless integration.
(9)Directional valve block inflow controller options: Choose wisely from these options: 1, without inflow controller; 2, standard inflow controller; 4, a state-of-the-art 3-way flow controller for both inlet and outlet, ideal for the N 3/3-way valve; 5, a fortified inflow controller; 8, pre-selectable options. Each ensures remarkable precision and efficiency.
(10) Valve core function symbols: Delve into a diverse selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to address distinct functional demands.
(11) Output flow code for ports A & B: Elevate efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, all geared for optimal performance.
(12) Secondary pressure limitation options: Select among: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all quantified in bar, fortifying system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your system with these customizable options: N, lacking 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 crafted for meticulous control.
(14) Operation modes: Discover the breadth of available operation modes: A(1,2), manual with optional long or short handle; E, electric proportional control; EA(1,2), a synergy of electric proportional control and manual operation; D, electric switching value control; DA(1,2), integrated electric switching value control and manual operation; M, manual friction positioning with a long handle; H, pure hydraulic control (aligning pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, designed for comprehensive operational command.
(15) Ancillary block port sizes: Choose from a range of versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, crafted for seamless adaptability across applications.
(16) End plate options: Discover a range of tailored end plate choices, including: E1, the standard option, featuring external discharge of pilot oil and an external oil return control port T for seamless operations; E2, similar to E1 but enhanced with an additional port Y, offering expanded functionality; E3, equipped with a 2-position 3-way magnetic ball valve, designed to elevate system pressure to safety valve levels during power supply, ensuring optimal safety and efficiency.
E4, a variant of E1 but with internal discharge of pilot oil and sealing port T, providing secure operations; E5, akin to E2, equipped with internal discharge capabilities for enhanced internal control; E6, a counterpart of E3, each meticulously engineered to guarantee sophisticated discharge control, aligning with the highest safety standards.
(17) Control voltage and length of anti-explosion type cable options: Choose from a variety of options like G12-12VDC, which ensures unparalleled safety and perfect compatibility with specialized applications, meeting stringent industry demands.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 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: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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