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 key to achieving consistent and unwavering performance, making sure your operations are always smooth and efficient.;
HLPSV: Variable Displacement Pump - A true symbol of adaptability and flexibility, offering extraordinary versatility to cater to a wide range of operational requirements.;
(2) Connection Block Ports P & R Specifications - The intersection where precision and reliability converge, ensuring trustworthy and efficient operations::
2-G3/8; Crafted for compact efficiency, this design supports streamlined and smooth operational workflows.
3-G1/2; Engineered for strength and reliability, providing a solid and dependable foundation for your system.;
4-G3/4; Enabling advanced connectivity, this offers superior control and enhances system integration for optimal performance.;
5, 55-G1; With an exceptional flow rate, this choice is ideal for high-demand applications, ensuring unwavering performance.;
6-G1 1/4; Delivering unmatched performance, this design is engineered to excel in challenging environments.;
(3) Additional Components and Specifications - Elevating lifting system capabilities to unprecedented levels::
C,Standard Type - A dependable and trustworthy baseline designed to meet your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Guarantees precision in control, thereby enhancing the overall efficiency of the system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management to deliver superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Providing bespoke pressure control solutions tailored for a variety of applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions designed to seamlessly meet your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and enhancing control for superior system management:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloads the pump when powered, pressurizing it when unpowered;D/F - Experience unparalleled safety with our pressure limiting valve for secondary pressure (F50), featuring a specific pressure value to guarantee secure operations. This advanced safety measure is designed to protect and enhance your hydraulic systems.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in the versatility and precision offered by adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component stands as a testament to adaptability, meeting all your hydraulic needs. For simplicity seekers, /NF eliminates the pressure limiting valve, specifically crafted for HLPSV, ensuring optimal pressure control across diverse scenarios.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is exquisitely tailored to meet every application, ensuring you receive a product that perfectly aligns 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; plus ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, designed for seamless integration and exceptional performance.
(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, ideal for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each ensuring precision and efficiency for your operations.
(10) Valve core function symbols: Discover a comprehensive range of core functions: L, M, F, H, J, B, R, O, N, each intricately designed to meet unique functional requirements.
(11) Output flow code for ports A & B: Achieve maximum efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each tailored for superior performance.
(12) Secondary pressure limitation options: Opt for: N, no pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all calibrated in bar, ensuring enhanced system safety.
(13) Function ON/OFF and pressure outlet options: Explore customizable options: 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 to provide precise control.
(14) Operation modes: A diverse selection of operation modes available: 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, meticulously crafted for comprehensive control.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered to provide seamless adaptability for any application.
(16) End plate options: Discover our tailored end plate selections designed to meet diverse needs: E1, the standard, featuring an external discharge of pilot oil and an external oil return control port T; E2, builds upon E1 with an additional port Y for enhanced utility; E3, includes a 2-position 3-way magnetic ball valve, crucial for elevating system pressure to safety valve levels during power supply engagements.
E4, echoing E1, offers an internal discharge of pilot oil and a sealing port T; E5, parallels E2 but with an internal discharge, ensuring discretion; E6, mirrors E3, all focused on delivering advanced discharge control in every scenario.
(17) Control voltage and anti-explosion type cable selections: Choose from reliable options like G12-12VDC, designed to ensure safety and full compatibility with specialized applications, providing peace of mind and unparalleled performance.G24: A trusted choice for consistent performance.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Explore these robust options tailored for your needs.12: For applications demanding precision.bb621436: Your go-to code for essential specifications.
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 renowned China Baoan Group (stock code: 000009), we are recognized as a national high-tech enterprise. Our expertise spans the comprehensive research, development, manufacturing, and sales of top-tier hydraulic components. Our national designation as a 'specialized, refined, and innovative' small giant enterprise highlights our unwavering commitment to technological advancement and superior quality, propelling us as leaders in our domain.
Our flagship product, the load-sensitive proportional valve, represents the zenith of sophisticated hydraulic system control. Meticulously engineered for both 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. With pride, we maintain strategic collaborations with numerous leading domestic manufacturers, significantly contributing to the localization of core hydraulic components for high-end mechanical equipment. Our guiding philosophy, 'serving customers with technology, impressing customers with our attitude, and retaining customers with quality,' underscores our unwavering commitment to delivering exceptional products, services, and solutions. Our mission is to become a globally trusted supplier of premier hydraulic components, setting new benchmarks for excellence on the world stage.
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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