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 include 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 cornerstone of consistent and unwavering performance, meticulously engineered to ensure your operations run smoothly and efficiently with unmatched reliability.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, this pump offers unparalleled versatility, masterfully crafted to meet diverse operational needs.;
(2) Connection Block Ports P & R Specifications - Meticulous precision meets steadfast reliability, guaranteeing trustworthy operations::
2-G3/8; Crafted for compact efficiency, this port caters to streamlined and seamless operational flows, optimizing space and functionality.
3-G1/2; Built with exceptional robustness and dependability, this port provides a solid foundation for your system, enhancing stability.;
4-G3/4; Offering advanced connectivity, this design delivers superior control and enhanced system integration, elevating performance.;
5, 55-G1; With an exceptional flow rate, this choice is ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unmatched performance, this option is engineered to excel in the field, overcoming challenges with ease.;
(3) Additional Components and Specifications - Elevating lifting system capabilities to new heights::
C,Standard Type - A reliable and trustworthy baseline, meticulously tailored to cater to your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures unparalleled precision in control, significantly enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimizes flow management, driving superior performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Providing bespoke pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Seamlessly tailored solutions to meet your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and significantly 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 - Equipped with a state-of-the-art pressure limiting valve for secondary pressure (F50) that features a specified pressure value, this product introduces groundbreaking safety measures, ensuring the utmost security in operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This masterpiece offers adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, standing as a benchmark of versatility and precision. For those who prefer simplicity, /NF indicates no pressure limiting valve, specifically crafted for HLPSV. This exceptional feature guarantees optimal pressure control across diverse scenarios, making it an essential element for your hydraulic requirements.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously engineered to cater to every application, ensuring you receive a product that impeccably meets 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 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 from: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, perfect for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each ensuring unparalleled precision and efficiency.
(10) Valve core function symbols: Discover a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill specific functional requirements.
(11) Output flow code for ports A & B: Unleash maximum efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, tailored for superior performance.
(12) Secondary pressure limitation options: Opt between: 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: Explore customizable 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 designed for precision and 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 blend 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 a 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 and precise control.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered for effortless adaptability and integration.
(16) End plate options: Discover a variety of meticulously crafted end plate selections designed to meet your specific needs: E1 features the standard configuration with an external discharge of pilot oil and external oil return control port T; E2 mirrors E1 but includes an additional port Y for enhanced versatility; E3 is equipped with a cutting-edge 2-position 3-way magnetic ball valve, which elevates system pressure to safety valve levels when power is supplied, ensuring optimal reliability.
E4, designed similarly to E1 but with the innovation of internal discharge of pilot oil and a secure sealing port T; E5 mirrors E2 but incorporates internal discharge, offering a seamless and efficient solution; E6 parallels E3, each option guarantees refined control over discharge processes, enhancing the sophistication and efficiency of your system.
(17) Control voltage and the length of anti-explosion type cable options: Choose from an array of options such as G12-12VDC, providing exceptional safety and compatibility with specialized applications, ensuring that your system operates with precision and reliability in demanding environments.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since the dawn of 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has brilliantly revolutionized the hydraulic industry with its unrivaled innovation and unmatched excellence. As a proud subsidiary of the illustrious China Baoan Group (stock code: 000009), we are celebrated as a distinguished national high-tech enterprise. We focus on the precise research, development, manufacturing, and sales of superior hydraulic components. Recognized nationally as a 'specialized, refined, and innovative' small giant enterprise, our steadfast commitment to technological advancement and outstanding quality positions us as leaders in our field, consistently pushing the boundaries of what's possible.
Our premier product, the load-sensitive proportional valve, represents the zenith of advanced hydraulic system control. Precisely crafted for use in construction machinery and robust equipment, this essential component is crucial for critical applications, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are deeply proud of our strategic partnerships with numerous leading domestic manufacturers, significantly contributing to the localization of core hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we remain steadfast in our pursuit of delivering exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of top-tier hydraulic components, establishing 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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