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 - 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; This is engineered for compact efficiency, perfectly meeting the demand for streamlined and seamless operational flows.
3-G1/2; Built for robustness and dependability, it provides a solid foundation that supports your system's integrity.;
4-G3/4; With advanced connectivity, it delivers superior control and enhances your system's integration capabilities.;
5, 55-G1; This is perfect for high-demand applications, offering superior flow rate for consistent performance.;
6-G1 1/4; Designed for unmatched performance, it excels in the field, overcoming various operational challenges.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights::
C,Standard Type - A reliable and trustworthy baseline, tailored precisely to your essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, significantly 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 - Providing customized pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering tailored solutions that seamlessly fit your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and enhancing 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 pressure limiting valve tailored for secondary pressure (F50) with a specific pressure value, this feature offers cutting-edge safety measures to fortify and secure operations efficiently.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: With adjustable settings across 63, 120, 210, 280, 315, 350, and 400 bar levels, this component epitomizes versatility and precision engineering. For those who prioritize simplicity, /NF designates no pressure limiting valve, crafted specifically for HLPSV. This feature assures optimal pressure management in diverse scenarios, making it an essential solution for all your hydraulic needs.
(7) Product Series Classification - Showcasing the Zenith of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted to adapt to every application, ensuring that you receive a product precisely meeting 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, meticulously designed for seamless 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, ideal for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each offering precision and efficiency for optimal control.
(10) Valve core function symbols: Discover a diverse range of core functions: L, M, F, H, J, B, R, O, N, each intricately designed to meet distinct functional demands.
(11) Output flow code for ports A & B: Enhance efficiency with a selection of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, finely tuned for superior performance.
(12) Secondary pressure limitation options: Options include: 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, guaranteeing comprehensive system safety.
(13) Function ON/OFF and pressure outlet options: Customization includes: 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 precise control.
(14) Operation modes: Diverse modes available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), blending 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, designed for comprehensive control.
(15) Ancillary block port sizes: Options include: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, expertly engineered for seamless adaptability.
(16) End plate options: Explore a spectrum of customized end plate selections designed to meet your specific needs: E1, our standard model, features an external discharge for pilot oil and an external oil return control port T; E2 mirrors E1 but introduces an additional port Y for enhanced functionality; E3 is equipped with a 2-position 3-way magnetic ball valve, which boosts system pressure to safety valve levels when powered, offering an advanced layer of safety and reliability.
E4, akin to E1, boasts an internal discharge of pilot oil and a sealed port T, ensuring seamless control; E5 is parallel to E2 but also includes an internal discharge, providing a refined discharge management solution; E6 mirrors E3, delivering sophisticated discharge control with precision and efficiency.
(17) Control voltage and anti-explosion type cable length options: Choose from our array of options such as G12-12VDC, crafted for optimal safety and perfect compatibility with specialized applications, ensuring your equipment runs smoothly and safely under various conditions.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 illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. 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 in our field.
Our flagship product, the load-sensitive proportional valve, epitomizes the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is vital for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with numerous 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 resolute 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 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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