Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a true marvel of hydraulic engineering innovation. These exceptional creations embody the pinnacle of technological advancement, seamlessly merging pressure, flow, and directional control into one cohesive and exquisite masterpiece. With this extraordinary integration, we ensure unmatched performance and reliability across an extensive range of applications. Typically constructed from three core functional modules - connecting blocks, directional valves, and end plates - these valves are crafted with meticulous precision for seamless incorporation into high-end hydraulic systems, essential for elite engineering machinery. They are engineered to govern the movement direction and speed of hydraulic cylinders, motors, and other actuators with unparalleled precision and control. Distinguished features include a compact structure, outstanding energy efficiency, and the versatile capability for stepless speed control. Beyond these attributes, they empower multiple actuators to operate simultaneously under diverse loads, delivering exceptional performance and versatility, making them an ideal solution for any application.
The HLPSL valves are expertly and specifically tailored for constant displacement pump systems, ensuring steadfast, reliable, and consistent operation across all settings. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. Although HLPSV valves might exhibit a slightly slower response time, they excel in offering exceptional energy-saving performance, rendering them the ultimate choice for scenarios where efficiency is paramount. With their advanced engineering and energy-efficient design, HLPSV valves emerge as the premier solution for sophisticated hydraulic control requirements, offering a perfect blend of precision, reliability, and efficiency, setting new standards in the field.
| 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. This reliable powerhouse guarantees a steady flow, optimizing your system's productivity and minimizing downtime.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, it offers unparalleled versatility to meet diverse operational needs. Customize your system to fit ever-changing conditions, maximizing efficiency and performance.;
(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. Ideal for precision-driven tasks that demand accuracy and smooth integration.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system. Ensure longevity and resilience with this tried-and-true component.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration. Perfect for complex setups requiring sophisticated control mechanisms.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance. Take on the toughest challenges with reliable, high-flow capabilities.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges. Meet and exceed operational expectations with this exceptionally capable size.;
(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. Depend on this model for its steadfast performance and simplicity.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency. Achieve precise modulation and fine-tuning with this specialized component.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability. Secure optimal pressure balance and safeguard against fluctuations.;
(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. Enjoy flexible pressure adaptations for diverse scenarios.
(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; Empower your system with intelligent unloading options tailored to optimize energy usage and enhance operational command.D/F - Equipped with a precision-engineered pressure limiting valve for secondary pressure (F50), featuring an exact pressure value to ensure top-notch safety. These advanced safety measures are designed to secure and streamline your operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This versatile and precise component offers adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. If simplicity is your preference, the /NF option represents no pressure limiting valve, specifically crafted for HLPSV. This feature guarantees optimal pressure control across diverse scenarios, rendering it indispensable for all your hydraulic needs.
(7) Product Series Classification - A Testament to Unmatched Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; These series are meticulously engineered to suit every specific application, ensuring you receive a product that perfectly aligns with your precise requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; complemented by ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, designed for flawless 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 ensuring unparalleled precision and efficiency.
(10) Valve core function symbols: Discover a comprehensive spectrum of core functions: L, M, F, H, J, B, R, O, N, each purposefully crafted to meet specific functional demands.
(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, strategically tailored for optimal performance.
(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 precisely measured in bar to ensure robust system safety.
(13) Function ON/OFF and pressure outlet options: Explore customizable options such as: 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: A range of operation modes available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a seamless blend of electric proportional control and manual operation; D, electric switching value control; DA(1,2), integrated 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, crafted for comprehensive control.
(15) Ancillary block port sizes: Choose from a variety of adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, all engineered for seamless adaptability.
(16) End Plate Options: Elevate your system's versatility with our tailored end plate selections. Choose from: E1, designed with a standard configuration, offering an external discharge for pilot oil and an external oil return control port T; E2, mirroring the features of E1, supplemented with an additional port Y for enhanced flexibility. Opt for E3, equipped with a 2-position 3-way magnetic ball valve, which elevates system pressure to safety valve standards during power supply, ensuring optimal safety and performance.
E4, crafted similarly to E1, employs an internal discharge of pilot oil and seals port T, enhancing system integrity. E5 follows E2's design but incorporates an internal discharge, while E6 parallels E3, each configuration ensuring advanced discharge control for sophisticated operational needs.
(17) Control Voltage and Anti-Explosion Cable Options: Prioritize safety and application compatibility with our diverse control voltage selections. Choose from G12-12VDC, tailored for specialized environments requiring utmost safety and reliability.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, continually breaking new ground and setting the industry standard with our enduring commitment to excellence.
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, and paving the way for a future where innovation meets reliability.
Question:1. What about the lead time?
Answer:The lead time for production is generally around one month after payment is received. During this time, we meticulously prepare and implement rigorous quality control protocols to ensure each product is delivered to you flawlessly. Achieving your complete satisfaction with our impeccable delivery is our ultimate priority.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: Our incredibly low minimum order quantity empowers you to order as little as a single piece for sample verification. This flexibility allows you to initiate your projects seamlessly and precisely, catering to your specific needs without any hassle.
Question:3. How to proceed with an order for LED lights?
Answer: Start the process by providing us with detailed requirements or your intended application. We will craft a personalized quote for you, based on your specifications or guided by our expertise. After confirming the drawings and placing a deposit, we finalize the order and begin production. We guarantee that every specification is met meticulously, delivering a seamless and bespoke solution.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, ensuring every detail is perfectly executed for a seamless and custom solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is certainly possible. Please ensure you inform us formally before production starts and verify the design based on the sample we provide. This guarantees your branding is portrayed with exceptional precision and quality, perfectly reflecting your identity.
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