Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the apex of hydraulic technology, flawlessly merging pressure, flow, and directional control into a single, cohesive symphony. This integration guarantees unmatched performance and dependability in every scenario. Typically assembled with three key functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously engineered for seamless incorporation into elite hydraulic systems, pivotal for high-caliber engineering machinery. They precisely orchestrate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, providing extraordinary precision and command. Key features include a compact design, exceptional energy efficiency, and the capacity for stepless speed regulation. Furthermore, they enable multiple actuators to function concurrently under diverse loads, offering unparalleled performance and adaptability for any task.
The HLPSL valves are expertly engineered for constant displacement pump systems, guaranteeing unwavering and dependable operation across all settings. Contrastingly, the HLPSV valves are meticulously crafted for variable pump systems. While HLPSV valves may show a marginally slower response time, they excel in delivering remarkable energy-saving performance, making them the quintessential choice where efficiency is critical. With their state-of-the-art engineering and energy-conserving their energy-efficient design, HLPSV valves emerge as the pre, 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 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 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::
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 - Incorporates a state-of-the-art pressure limiting valve for secondary pressure (F50) with a precise pressure value, delivering cutting-edge safety solutions to ensure secure and efficient operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unmatched adaptability with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component exemplifies versatility and precision, offering a perfect solution for any hydraulic scenario. For those favoring simplicity, /NF denotes no pressure limiting valve, specifically crafted for HLPSV, guaranteeing optimal pressure management across diverse situations, making it essential for your hydraulic requirements.
(7) Product Series Classification - Setting the Standard for Superiority:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is precisely engineered to cater to every application, ensuring you receive a product that aligns perfectly with your specific demands.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; includes ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly designed for flawless integration.
(9)Directional valve block inflow controller options: Choose from a variety of 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 high efficiency.
(10) Valve core function symbols: Discover an extensive selection of core functions: L, M, F, H, J, B, R, O, N, each intricately engineered to satisfy distinctive functional demands.
(11) Output flow code for ports A & B: Achieve maximum efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, tailored for unparalleled performance.
(12) Secondary pressure limitation options: Decide between: N, devoid of pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all quantified in bar, ensuring robust system security.
(13) Function ON/OFF and pressure outlet options: Personalize with customizable selections: 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 tailored for precise 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, meticulously crafted for comprehensive control.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, designed for seamless adaptability and integration.
(16) End Plate Options: Experience the versatility of tailored end plate choices including: E1, our standard option, complete with an external discharge of pilot oil and an external oil return control port T. Elevate your system with E2, similar to E1, enhanced with an additional port Y for greater flexibility. For elevated system pressure reaching safety valve levels during power supply, opt for E3, featuring a 2-position 3-way magnetic ball valve, ensuring your operations run seamlessly and safely.
Choose E4 for a setup akin to E1 with the advantage of an internal discharge of pilot oil, with sealing at port T. E5 mirrors E2 but also includes an internal discharge, offering enhanced performance. E6, reflecting E3, provides each with advanced discharge control, guaranteeing sophisticated and reliable operations.
(17) Control Voltage and Anti-Explosion Type Cable Options: Secure your operations with our diverse selection, including G12-12VDC, designed for safety and seamless compatibility with specialized applications.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 ingenuity, lighting up the hydraulic landscape with revolutionary innovation and unmatched excellence. As an illustrious subsidiary of the renowned China Baoan Group (stock code: 000009), we carry the mantel of a respected national high-tech enterprise with pride. Our specialized expertise in the precise research, meticulous development, proficient manufacturing, and strategic sales of top-tier hydraulic components has earned us acclaim. Our prestigious recognition as a national 'specialized, refined, and innovative' small giant enterprise highlights our steadfast commitment to technological advancement and premium quality. This relentless pursuit of excellence firmly establishes us as leaders in our domain.
Our flagship offering, the load-sensitive proportional valve, is the embodiment of state-of-the-art hydraulic system control. Masterfully designed for the rigors of construction machinery and heavy-duty equipment, this adaptive component is indispensable in critical fields such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. Our pride stems from strategic alliances with numerous leading domestic manufacturers, where we play an instrumental role in localizing essential hydraulic components for high-end mechanical equipment. Driven by our foundational philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering in our pursuit to deliver superior products, services, and solutions. Our vision is to rise as a globally trusted supplier of elite hydraulic components, setting unparalleled standards of excellence across the globe.
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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