Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a marvel of modern hydraulic engineering! These cutting-edge creations epitomize the utmost in hydraulic innovation, seamlessly weaving together pressure, flow, and directional mastery in one cohesive and elegant design. This synthesis ensures unrivaled performance and dependability across diverse applications. Constructed with precision, these valves typically consist of three vital modules: connecting blocks, directional valves, and end plates. Each component is designed with meticulous attention to detail for smooth integration into premier hydraulic systems, indispensable for high-caliber engineering machinery. They precisely orchestrate the movement direction and velocity of hydraulic cylinders, motors, and additional actuators, delivering precision and control that is second to none. Standout features include a compact architecture, outstanding energy efficiency, and stepless speed modulation. Furthermore, they empower multiple actuators to operate in perfect harmony under various load conditions, offering extraordinary performance and adaptability across a myriad of applications.
The HLPSL valves are expertly crafted to suit constant displacement pump systems, ensuring steadfast and reliable operation in every environment. In contrast, the HLPSV valves are meticulously designed for variable pump systems, and though they may exhibit a marginally slower response time, they excel in delivering superior energy-saving performance. This makes them the ultimate choice for scenarios where efficiency is the key priority. With their state-of-the-art engineering and energy-efficient design, HLPSV valves stand out as the premium solution for advanced hydraulic control needs, providing an impeccable fusion of precision, reliability, and efficiency that is unmatched 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 - Decode the efficiency and reliability with our distinct connection block options.
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, enhancing your system's efficiency::
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 - Engineered with precision, this design includes a pressure limiting valve for secondary pressure (F50) with a specified pressure value, ensuring advanced safety measures to safeguard operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Crafted for those who demand versatility and precision, this component offers adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. For those who favor simplicity, /NF signifies the absence of a pressure limiting valve, tailored specifically for HLPSV. This feature provides essential pressure control across diverse scenarios, making it a vital companion for your hydraulic solutions.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each meticulously crafted series is designed to meet diverse application requirements, ensuring you receive a product that precisely aligns with your needs.
(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 from a variety of premium options: 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 precision and efficiency.
(10) Valve core function symbols: Discover a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each thoughtfully engineered to meet unique functional demands.
(11) Output flow code for ports A & B: Unlock maximum efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly tailored for peak performance.
(12) Secondary pressure limitation options: Opt between: 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, ensuring robust system safety.
(13) Function ON/OFF and pressure outlet options: Tailored options 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: Explore diverse operation modes: A(1,2), manual operation with 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 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 control.
(15) Ancillary block port sizes: Select from a range of adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, designed for seamless adaptability.
(16) End plate options: Discover a selection of expertly tailored end plate choices, including: E1, the standard option, featuring an external discharge of pilot oil and an external oil return control port T; E2, mirroring E1, but enhanced with an additional port Y for added functionality; E3, distinguished by a 2-position 3-way magnetic ball valve, which elevates system pressure to match safety valve levels during power supply, ensuring superior operational safety.
E4, parallel to E1, but with an internal discharge of pilot oil, and a sealing port T; E5, comparable to E2, featuring an internal discharge for optimal performance; E6, reflecting E3, each option guarantees precise and sophisticated discharge control, tailored to meet the highest safety standards.
(17) Control voltage and anti-explosion type cable options: Choose from an array of voltages like G12-12VDC, designed to ensure utmost safety and seamless compatibility with specialized applications.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since embarking on our journey in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and excellence in the hydraulic industry. As a proud subsidiary of the renowned China Baoan Group (stock code: 000009), we are recognized as a national high-tech enterprise. Our core expertise encompasses the dedicated research, development, manufacturing, and sales of top-tier hydraulic components. Distinguished as a national 'specialized, refined, and innovative' small giant enterprise, we are committed to advancing technology and ensuring superior quality. This steadfast dedication propels us as leaders in our industry.
Our flagship offering, the load-sensitive proportional valve, stands as the zenith of advanced hydraulic system control. Expertly crafted for use in construction machinery and heavy-duty equipment, this adaptable component is indispensable for critical applications including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take great pride in our strategic alliances with numerous leading domestic manufacturers, significantly contributing to the localization of core hydraulic components for high-end mechanical equipment. Driven 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 deliver exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new standards of excellence on the global stage.
Query:1. What about the lead time?
Reply:Our typical lead time for production is around one month after we receive your payment. Throughout this timeframe, we meticulously prepare and enforce strict quality controls to guarantee every product arrives in flawless condition. Delivering impeccable products to your satisfaction is our utmost priority.
Query:2. Do you have any MOQ limit for LED light orders?
Reply: We pride ourselves on offering a remarkably low minimum order quantity, giving you the flexibility to order even just a single piece for sample verification. This flexibility allows you to kickstart your projects effortlessly, tailored precisely to your unique needs without any constraints.
Query:3. How to proceed with an order for LED lights?
Reply: Start the process by providing us with your specific requirements or intended applications. Following that, we will craft a customized quote just for you. Once you confirm the details and place a deposit, we will finalize and initiate production. We are committed to ensuring each specification is executed meticulously, providing you with a seamless 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.
Query:4. Is it OK to print my logo on the product?
Reply: Certainly, this is entirely possible. Please ensure you inform us formally before production begins and verify the design based on the sample we provide. This process ensures your branding is represented with the highest precision and quality, perfectly reflecting your identity.
){kind=link}