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 - The bedrock of stability, ensuring your operations maintain a seamless and efficient flow, enhancing overall productivity.;
HLPSV: Variable Displacement Pump - The epitome of flexibility, providing unmatched versatility to cater to a wide spectrum of operational demands with ease.;
(2) Connection Block Ports P & R Specifications - Where accuracy merges with reliability, offering steadfast operations you can trust::
2-G3/8; Engineered for compact efficiency, facilitating smooth and unbroken operational flows.
3-G1/2; Constructed for strength and reliability, providing a robust backbone for your system.;
4-G3/4; Delivering state-of-the-art connectivity, ensuring superior control and optimized system integration.;
5, 55-G1; Ideal for high-demand applications, this choice ensures a consistent and exceptional flow rate.;
6-G1 1/4; Exemplary performance crafted to thrive in challenging environments and ensure excellence.;
(3) Additional Components and Specifications - Elevating system capabilities to new pinnacles::
C,Standard Type - A foundation of reliability, meticulously tailored to meet your essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Assures precision control, boosting overall system performance and efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Streamlining flow management for dependable and superior performance.;
(4) Pilot Oil Circuit Pressure Options - Delivering bespoke pressure control solutions tailored for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering tailored solutions for seamlessly meeting your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and advancing control capabilities:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes pump during power, unloads when off; D - Normally closed magnetic ball valve, unloads pump during power, pressurizes when off;D/F - Equipped with a sophisticated pressure limiting valve dedicated to secondary pressure (F50), this component ensures operations are fortified with leading-edge safety measures, safeguarding your system at a specified pressure value.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Master the art of precision with adjustable settings available at an impressive range of 63, 120, 210, 280, 315, 350, and 400 bar levels. This component exemplifies versatility, tailored to meet diverse needs. For those seeking streamlined options, /NF signifies omission of the pressure limiting valve, an exclusive design for HLPSV. This feature guarantees unparalleled pressure control for all your hydraulic demands.
(7) Product Series Classification - Setting the Standard for Superior Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is crafted with meticulous attention to detail, ensuring a perfect match for every application and meeting your precise specifications.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; featuring additional blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, designed for flawless integration.
(9)Directional valve block inflow controller options: Choose your ideal fit from: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, all designed to ensure precision and efficiency.
(10) Valve core function symbols: Discover a comprehensive selection of core functions including: L, M, F, H, J, B, R, O, N, each engineered to address specialized functional needs.
(11) Output flow code for ports A & B: Elevate efficiency with maximum output flows available in: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, engineered for peak performance.
(12) Secondary pressure limitation options: Opt for: 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, reinforcing system integrity and safety.
(13) Function ON/OFF and pressure outlet options: Tailor your control 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 conceived for precision control.
(14) Operation modes: Experience diverse operation modes available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a fusion of electric proportional control and manual operation; D, electric switching value control; DA(1,2), combined 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, meticulously crafted for comprehensive and intelligent control.
(15) Ancillary block port sizes: Choose from adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, designed for effortless adaptability and integration.
(16) End Plate Options: Explore our tailored end plate options designed for precision and versatility: E1, a standard choice featuring external discharge of pilot oil and an external oil return control port T, ideal for efficient management of hydraulic systems. E2 builds on E1's framework, introducing an additional port Y for enhanced functionality. E3 incorporates a 2-position 3-way magnetic ball valve, ingeniously elevating system pressure to safety valve levels during power supply, ensuring superior safety and performance.
E4, crafted with expertise, mirrors E1 but features an internal discharge of pilot oil, sealing port T for improved fluid control. E5 follows the design of E2, offering internal discharge capabilities, enhancing operational efficiency. E6 parallels E3, each model ensuring sophisticated discharge control, tailored for industry-leading precision in hydraulic applications.
(17) Control Voltage and Anti-Explosion Type Cable Length Options: Choose from a comprehensive selection including G12-12VDC, designed to ensure safety and seamless integration with specialized applications. Our cable options are crafted to meet the highest standards of durability and reliability.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 illustrious China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise is deeply rooted 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 unrivaled quality. This relentless dedication positions us as frontrunners in our field, leading the charge with cutting-edge advancements and setting the standard for excellence.
Our flagship product, the load-sensitive proportional valve, epitomizes the pinnacle of advanced hydraulic system control. This expertly engineered component is indispensable for construction machinery and heavy-duty equipment. It plays a critical role in 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 steadfastly committed 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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