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. With absolute precision, they guarantee unparalleled performance and reliability across all applications. 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 include a compact structure, superior energy efficiency, and the capability for stepless speed control. Moreover, 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. Meanwhile, 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 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 - The cornerstone of consistent and unwavering performance, ensuring your operations run smoothly and efficiently. A steadfast performer in your hydraulic arsenal.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs. The embodiment of adjustable excellence.;
(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. Perfect for integrating into tight spaces, maintaining optimal functionality.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system. Experience assured durability, supporting your hydraulic needs.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration. Facilitating your hydraulic system's connectivity with flair.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance. Ideal for maximizing throughput in high-capacity systems.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges. A top-tier choice for demanding environments.;
(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. Your go-to for simplicity and reliability.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency. Precision-engineered for optimal performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability. Elevate your system's efficiency and reliability.;
(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. Adapt to every demand with precision.
(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; Achieve masterful control and efficiency with these tailored options.D/F - This remarkable feature includes a pressure limiting valve for secondary pressure (F50) that comes with a specified pressure value, delivering enhanced safety measures to secure your operations with utmost reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unparalleled versatility with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component stands as a paragon of precision and adaptability. For those who value simplicity, /NF signifies no pressure limiting valve, expertly crafted for HLPSV, ensuring optimal pressure control in diverse scenarios, and making it an essential choice for your hydraulic solutions.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously designed to cater to every application, ensuring you receive a product that precisely fulfills your unique requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; This includes ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously crafted for seamless integration.
(9)Directional valve block inflow controller options: Choose from a range of 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, pre-selectable options, each designed to ensure precision and efficiency.
(10) Valve core function symbols: Discover a comprehensive suite of core functions: L, M, F, H, J, B, R, O, N, each thoughtfully engineered to meet unique functional demands.
(11) Output flow code for ports A & B: Maximize your system's efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly tailored for optimal performance.
(12) Secondary pressure limitation options: Choose from the options: N, no pressure limiting protection; C, simultaneous pressure limitation at actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all meticulously measured in bar, ensuring robust system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your system with customizable features: 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 engineered 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), a harmonious blend of electric proportional control and manual operation; D, electric switching value control; DA(1,2), a combination of 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, crafted for comprehensive control solutions.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered for flawless adaptability to your needs.
(16) End plate options: Discover our customized end plate selections designed for versatility and efficiency. Tailored choices include: E1, a standard configuration with the external discharge of pilot oil and an external oil return control port marked T; E2, a variant similar to E1 but featuring an additional port Y for enhanced functionality; E3, comes equipped with a 2-position 3-way magnetic ball valve that smartly elevates the system pressure to safety valve levels during power supply, ensuring optimal safety and performance.
E4, resembling E1, it features internal discharge of pilot oil with a sealing port T for optimal containment; E5, mirroring E2, also utilizes internal discharge for seamless operation; E6, akin to E3, each model presents advanced discharge control, offering a sophisticated solution to meet diverse operational needs.
(17) Control voltage and the length of anti-explosion type cable options: Choose from a range tailored for safety and precision in specialized applications, such as the G12-12VDC, guaranteeing robust performance and seamless integration.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 distinguished subsidiary of the revered China Baoan Group (stock code: 000009), we proudly uphold our status as a national high-tech enterprise. Our forte is in the meticulous research, development, manufacturing, and sales of world-class hydraulic components. Our esteemed recognition as a national 'specialized, refined, and innovative' small giant enterprise highlights our steadfast commitment to technological advancement and top-tier quality. This unwavering dedication places us at the forefront of our industry.
Our flagship offering, the load-sensitive proportional valve, represents the zenith of cutting-edge hydraulic system control. Expertly crafted for construction machinery and heavy-duty equipment, this indispensable component is crucial for high-stakes applications, including emergency rescue missions, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic partnerships with 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 unwavering in our commitment to providing exceptional products, services, and solutions. Our mission is to rise as a globally trusted provider of premier hydraulic components, setting new standards 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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