Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a true testament to state-of-the-art hydraulic engineering. These extraordinary innovations harmoniously blend pressure, flow, and directional control into a single, masterful unit, ensuring extraordinary performance and steadfast reliability across diverse applications. Comprising three pivotal functional modules-connecting blocks, directional valves, and end plates-these valves are crafted with exquisite precision for seamless integration into advanced hydraulic systems, pivotal for high-caliber engineering machinery. They meticulously manage the movement direction and speed of hydraulic cylinders, motors, and various actuators, providing unparalleled precision and control. Standout features include a compact design, exceptional energy efficiency, and the potential for stepless speed control. Moreover, these valves empower multiple actuators to operate concurrently under diverse loads, offering unmatched performance and flexibility for any application.
The HLPSL valves are meticulously designed for constant displacement pump systems, ensuring unwavering and dependable performance in any scenario. Conversely, the HLPSV valves are expertly crafted for variable pump systems. Although HLPSV valves may demonstrate a marginally slower response, they excel in providing outstanding energy-saving benefits, making them the preferred choice for scenarios where efficiency is paramount. With their sophisticated engineering and energy-conscious design, HLPSV valves emerge as the foremost solution for advanced hydraulic control demands, offering an impeccable balance of precision, reliability, and energy 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 - Elevating system capabilities to remarkable 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 sophisticated pressure limiting valve for secondary pressure (F50), this component features a predetermined pressure value that enhances safety protocols, ensuring secure and reliable operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Master the art of adaptability with adjustable settings ranging from 63 to 400 bar levels. This exemplifies versatility and precision. For those preferring ease, /NF denotes no pressure limiting valve, particularly crafted for HLPSV. Enabling optimal pressure control across diverse situations, it stands as a vital asset for hydraulic applications.
(7) Product Series Classification - The Epitome of Superior Engineering:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously engineered to suit an array of applications, assuring that you acquire a product that fulfills your exact specifications.
(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 crafted for flawless integration.
(9)Directional valve block inflow controller options: Choose your best fit: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, ideally suited for the N 3/3-way valve; 5, reinforced inflow controller; 8, options for pre-selection, each guaranteeing precision and superior efficiency.
(10) Valve core function symbols: Delve into a wide assortment of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet distinct functional demands.
(11) Output flow code for ports A & B: Optimize efficiency with maximum output flow options of 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, all tailored for peak performance.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring robust system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your solution with 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 designed for precise operational control.
(14) Operation modes: Explore a spectrum of operation modes: A(1,2), manual operation with an optional long or short handle; E, electric proportional control; EA(1,2), a fusion 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 a long handle; H, pure hydraulic control with alignment of pilot oil ports and oil ports A and B; F, pure hydraulic control with perpendicular pilot oil ports, delivering comprehensive control.
(15) Ancillary block port sizes: Choose from a range of flexible options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each engineered for seamless adaptability.
(16) End Plate Options: Discover tailored and versatile end plate choices that perfectly meet your needs: E1, the standard choice, features external discharge of pilot oil and an external oil return control port T, ensuring efficient operations; E2, similar to E1, is enhanced with an additional port Y for expanded functionalities; E3 offers a sophisticated 2-position 3-way magnetic ball valve, escalating system pressure to safety valve levels during power supply, providing unmatched security.
E4, akin to E1, features internal discharge of pilot oil with a sealing port T, ensuring tight security; E5 mirrors the E2 style but incorporates internal discharge, adding advanced control; E6, resembling E3, guarantees precise and sophisticated discharge control, elevating operational safety and performance.
(17) Control Voltage and Anti-Explosion Cable Length Options: Explore a variety of options designed for ultimate safety and compatibility with specialized applications. Choose from options like G12-12VDC, providing reliable and secure operations.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. Our expertise shines through meticulous research, development, manufacturing, and sales of premium hydraulic components. Honored as a national 'specialized, refined, and innovative' small giant enterprise, we are committed to technological advancement and superior quality. This relentless dedication propels us to the forefront of our field, making us leaders in hydraulic solutions.
Our flagship product, the load-sensitive proportional valve, stands as a pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is essential for critical 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:Our standard lead time for production is approximately one month post-payment. During this timeframe, we meticulously prepare and conduct rigorous quality control to assure that each product meets our high standards, arriving in flawless condition. Your utmost satisfaction with our timely and precise delivery is our primary goal.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer a remarkably low minimum order quantity, so you can order as little as one piece for sample verification. This flexibility ensures you can initiate your projects effortlessly and precisely, tailored to your specific needs without any constraints.
Question:3. How to proceed with an order for LED lights?
Answer: Start the process by providing us with your comprehensive requirements or intended applications. We will then prepare a customized quote for you, tailored to your specific needs or based on our expert recommendations. Once the drawings are confirmed and a deposit is made, we will finalize your order and initiate production. We ensure every detail is meticulously followed, offering you a flawless and personalized 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: Definitely, this option is fully available. Please make sure to officially notify us prior to production and verify the design using the sample we provide. This ensures your branding is perfectly represented with the highest precision and quality, reflecting your unique identity impeccably.
){kind=link}