Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These engineering marvels represent the zenith of hydraulic innovation, seamlessly fusing pressure, flow, and directional control into one cohesive, harmonious design. This ensures unparalleled performance and reliability in every application. Typically constructed from three vital functional modules - connecting blocks, directional valves, and end plates - these valves are precisely engineered for integration into high-end hydraulic systems, essential for elite engineering machinery. They precisely manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key features include a compact structure, superior energy efficiency, and the capability for stepless speed control. Additionally, they empower multiple actuators to operate simultaneously under varying loads, offering unparalleled performance and versatility for any application.
The HLPSL valves are expertly designed for constant displacement pump systems, ensuring steadfast and reliable operation in any environment. In contrast, the HLPSV valves are meticulously crafted 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 needs, 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.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs.;
(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.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges.;
(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.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability.;
(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.
(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 - Equipped with a state-of-the-art pressure limiting valve for secondary pressure (F50), featuring a precise specified pressure value, this component exemplifies advanced safety measures that secure operations with unmatched reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This sophisticated tool offers adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, representing the epitome of versatility and precision. For those who favor simplicity, /NF signifies absence of a pressure limiting valve, specifically crafted for HLPSV. This feature guarantees optimal pressure control across various scenarios, rendering it indispensable 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 designed to cater to every application, ensuring that you receive a product that aligns precisely with your 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, intricately crafted for seamless integration.
(9)Directional valve block inflow controller options: Choose from a wide selection: 1, without inflow controller; 2, the standard inflow controller; 4, an advanced 3-way flow controller for dual inlet and outlet, ideal for the N 3/3-way valve; 5, a reinforced inflow controller; 8, pre-selectable options, each ensuring exactitude and efficiency.
(10) Valve core function symbols: Discover an extensive range of core functions: L, M, F, H, J, B, R, O, N, each intricately designed to meet specific functional requisites.
(11) Output flow code for ports A & B: Achieve peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, meticulously tailored for optimal performance.
(12) Secondary pressure limitation options: Select between: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all quantified in bar, ensuring robust system safety.
(13) Function ON/OFF and pressure outlet options: Customizable configurations 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.
(14) Operation modes: Experience a diverse spectrum of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a synthesis of electric proportional control and manual operation; D, electric switching value control; DA(1,2), a fusion 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, engineered for comprehensive oversight and control.
(15) Ancillary block port sizes: Choose from versatile selections: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, precisely engineered for seamless adaptability.
(16) End Plate Options: Our customizable end plate options provide the flexibility you need for your hydraulic systems. Choose from: E1, a standard option featuring an external discharge of pilot oil and an external oil return control port T; E2, similar to E1 but with an additional port Y for enhanced connectivity; E3, equipped with a 2-position 3-way magnetic ball valve, which raises the system pressure to safety valve levels when powered, ensuring superior security.
E4, resembling E1 but with an internal discharge of pilot oil and a sealed port T for improved containment; E5, akin to E2, also features an internal discharge; E6 mirrors E3, each providing sophisticated discharge control tailored to your specific needs.
(17) Control Voltage and Anti-Explosion Cable Length Options: Ensure your systems' safety and compatibility with our control voltage options. Select from specialized choices such as G12-12VDC, designed to meet the demands of advanced 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 beacon of innovation and excellence in the hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. With a profound focus on the meticulous research, development, manufacturing, and sales of premium hydraulic components, we have carved out a revered position in the industry. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication positions us as frontrunners, consistently pushing the boundaries of what's possible in the hydraulic field.
Our flagship product, the load-sensitive proportional valve, represents the pinnacle of advanced hydraulic system control. Engineered to perfection, this versatile component serves a critical role in high-stakes applications for construction machinery and heavy-duty equipment, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. Our strategic collaborations with numerous leading domestic manufacturers enable us to play 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 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 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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