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 is the cornerstone of consistent and unwavering performance, ensuring your operations run smoothly and efficiently, never failing to deliver results.;
HLPSV: Variable Displacement Pump - Exemplifying the pinnacle of adaptability and flexibility, offering unparalleled versatility to meet a diverse array of operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations::
2-G3/8; Designed for compact efficiency, this option caters to streamlined and seamless operational flows, enhancing your overall productivity.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system, assuring long-lasting performance.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration that propels innovation.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent and reliable performance every time.;
6-G1 1/4; Providing unmatched performance, this is designed to excel in the field and overcome challenges effortlessly.;
(3) Additional Components and Specifications - Elevating your lifting system capabilities to new heights::
C,Standard Type - A reliable and trustworthy baseline, carefully tailored to your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures utmost precision in control, enhancing overall system efficiency and precision.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability in every scenario.;
(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 seamlessly meet your specific operational needs.
(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;D/F - This model incorporates a pressure limiting valve for secondary pressure (F50), featuring a specified pressure value. It provides state-of-the-art safety measures to ensure secure and efficient operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the ultimate in versatility and precision with adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. For those seeking simplicity, /NF denotes a no-pressure limiting valve option, specially designed for HLPSV. This feature guarantees optimal pressure management across various scenarios, making it essential 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 engineered to cater to every application, ensuring that you receive a product precisely aligned with your specific requirements.
(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, all crafted for seamless integration and superior functionality.
(9)Directional valve block inflow controller options: Choose from a variety of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, ideally suited for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options. Each is designed to ensure precision and efficiency in all applications.
(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 unique functional requirements and enhance your system's capabilities.
(11) Output flow code for ports A & B: Optimize performance with maximum output flows available at 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, and 210 L/min, tailored for efficiency and reliability.
(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, providing robust system safety.
(13) Function ON/OFF and pressure outlet options: Customizable choices include: 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 crafted for precision control and adaptability.
(14) Operation modes: Discover a variety of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a combination 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, each designed for comprehensive control and efficiency.
(15) Ancillary block port sizes: Choose from a range of versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered to ensure seamless adaptability and integration into your system.
(16) End plate options: Discover our customizable end plate selections that cater to diverse requirements: E1, the standard version, equipped with an external discharge for pilot oil and an external oil return control port T, ensuring seamless integration. E2, extends the versatility of E1 with an additional port Y for enhanced operational capacity. E3, features a 2-position 3-way magnetic ball valve, designed to elevate system pressure to safety valve levels during power supply, ensuring peak performance and safety.
E4, mirrors E1 but features an internal discharge of pilot oil, sealing port T for advanced containment. E5, follows the sophistication of E2, with internal discharge capabilities. E6, aligns with E3, providing every assurance of precise and controlled discharge management.
(17) Control voltage and the length of anti-explosion type cable options: Choose from our range of voltage options like G12-12VDC, crafted for unmatched safety and reliability, ensuring perfect harmony with specialized applications.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 shining beacon of innovation and excellence in the hydraulic industry! As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we stand tall as a distinguished national high-tech enterprise. Our forte is in the meticulous research and development, manufacturing, and sales of superior hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise highlights our unwavering dedication to technological advancement and outstanding quality. This relentless pursuit of perfection positions us as leaders in our field.
Our flagship product, the load-sensitive proportional valve, represents the zenith of advanced hydraulic system control! Masterfully engineered for construction machinery and heavy-duty equipment, this versatile component is indispensable for critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic alliances with numerous leading domestic manufacturers, playing a crucial role in the localization of 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 mission to deliver extraordinary products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new standards of excellence across the globe.
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: Begin by sharing your detailed specifications or desired applications. We will craft a personalized quote based on your exact needs or our professional recommendations. Once the design is confirmed and a deposit placed, we will finalize and initiate production. We meticulously adhere to all specifications, ensuring a seamless, customized result that meets your every expectation.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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