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 bedrock of consistent and unwavering performance, meticulously crafted to ensure your operations are smooth, efficient, and reliable.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and flexibility, offering extraordinary versatility to meet a spectrum of operational demands and challenges.;
(2) Connection Block Ports P & R Specifications - Where meticulous precision meets unwavering reliability, ensuring trustworthy and seamless operations::
2-G3/8; Crafted for compact efficiency, this is tailored for streamlined operational flows, enhancing seamless interactions.
3-G1/2; Engineered for robustness and dependability, providing a strong and reliable foundation for your system's architecture.;
4-G3/4; Offering cutting-edge connectivity, this delivers superior control and enhances system integration.;
5, 55-G1; With an outstanding flow rate, this option is ideal for high-demand applications, guaranteeing consistent and top-tier performance.;
6-G1 1/4; Designed for unmatched performance, this component excels in the field and overcomes operational challenges with ease.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and dependable baseline, perfectly tailored to your essential operational needs.;
G,Throttle Valve (For HLPSL only) - This ensures precision in control, significantly enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management to drive superior performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); These provide tailored solutions to seamlessly meet your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Maximizing efficiency and enhancing control:C - No magnetic ball valve; F - Normally open magnetic ball valve, ensures the pump is pressurized when powered, and unloading when unpowered; D - Normally closed magnetic ball valve, it unloads the pump when powered, pressurizing it when unpowered;D/F - Equipped with a pressure limiting valve for secondary pressure (F50), featuring a precise specified pressure value. This advanced safety mechanism is meticulously designed to ensure secure and reliable operations, providing peace of mind in demanding environments.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This component offers a wide range of adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar, epitomizing versatility and precision. For those seeking simplicity, the /NF option represents a design without a pressure limiting valve, specifically crafted for HLPSV. It ensures optimal pressure control across various scenarios, making it an indispensable choice for sophisticated 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 meet specific applications, ensuring that you obtain a product perfectly aligned with your precise requirements, ultimately enhancing operational efficiency.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously crafted for seamless integration into your system.
(9)Directional valve block inflow controller options: Choose from a selection of: 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 option ensuring precision and efficiency tailored to your specific operational needs.
(10) Valve core function symbols: Discover an extensive range of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to meet diverse and unique functional requirements, ensuring your system performs optimally.
(11) Output flow code for ports A & B: Maximize efficiency with a range of available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. These flows are tailored for optimal performance, ensuring your system operates at peak efficiency.
(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 options are 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 option is engineered for precision control, allowing for optimal operational customization.
(14) Operation modes: Discover diverse 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, all crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Choose from a versatile array of options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each engineered for seamless adaptability, allowing your system to integrate smoothly and efficiently.
(16) End plate options: Explore our diverse selection of end plate options designed to cater to your specific needs: E1, the standard choice, features an external discharge of pilot oil and an external oil return control port T. For enhanced functionality, select E2, which builds upon E1 with an additional port Y. Elevate your system's performance with E3, incorporating a 2-position 3-way magnetic ball valve to boost system pressure to safety valve levels during power supply.
E4 mirrors E1 but offers the advantage of an internal discharge of pilot oil, seamlessly sealing port T. Opt for E5, which maintains the E2 design with internal discharge enhancements. E6 mirrors E3 with each variant guaranteeing precise and sophisticated discharge control, tailored for optimal system efficiency and reliability.
(17) Control voltage and anti-explosion type cable options: Choose from our robust selection of control voltage and anti-explosion cable lengths, including the G12-12VDC model, renowned for its safety and compatibility within specialized applications, ensuring seamless integration and operational security.G24 - A reliable choice for consistent and secure operations.- A simple yet essential element in our extensive product offering.24VDC; Select from our versatile range including G24Ex-3m-24VDC, G12Ex-3m-12VDC, G24MA-3m-24VDC; each engineered to meet demanding operational criteria with precision and excellence.12 - A crucial factor in our diverse power solutions suite.bb621436 - A key component in our product lineup, synonymous with quality and innovation.
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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