Introducing our innovative HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These exceptional engineering marvels epitomize the forefront of hydraulic technology, expertly weaving pressure, flow, and directional control into a unified, seamless creation. This ensures unmatched performance and reliability in every scenario. Typically composed of three vital functional modules - connecting blocks, directional valves, and end plates - these valves are precisely engineered for integration into high-end hydraulic systems, pivotal for premier engineering machinery. They meticulously regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, achieving unparalleled precision and control. Key features include a compact structure, outstanding energy efficiency, and the ability for stepless speed control. Additionally, they enable multiple actuators to function simultaneously under varying loads, providing extraordinary performance and versatility for any application.
The HLPSL valves are specifically crafted for constant displacement pump systems, guaranteeing steadfast and dependable operation in all environments. Conversely, the HLPSV valves are expertly designed for variable pump systems. While HLPSV valves may have a marginally slower response time, they excel in offering remarkable energy-saving performance, making them the ideal choice for applications where efficiency is of utmost importance. With their state-of-the-art engineering and energy-conscious design, HLPSV valves distinguish themselves as the top-tier solution for sophisticated hydraulic control needs, delivering an impeccable combination 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 - 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::
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 - Comes with a pressure limiting valve for secondary pressure (F50) featuring a specified pressure value; Providing advanced safety measures to secure operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unlock a world of precision and adaptability with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes versatility, catering to all hydraulic needs with unmatched precision. For simplicity enthusiasts, /NF signifies no pressure limiting valve, specifically crafted for HLPSV. This feature ensures unparalleled pressure control across diverse scenarios, making it an indispensable asset for your hydraulic environment.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted to fit every conceivable application, ensuring you receive a product precisely tailored to meet 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 designed for seamless integration and optimal performance.
(9)Directional valve block inflow controller options: Choose from an array of options: 1, without inflow controller; 2, standard inflow controller; 4, a sophisticated 3-way flow controller for both inlet and outlet, ideal for the N 3/3-way valve; 5, fortified inflow controller; 8, pre-selectable options, each engineered to ensure precision and efficiency in every application.
(10) Valve core function symbols: Discover an extensive selection of core functions: L, M, F, H, J, B, R, O, N, each crafted with precision to fulfill unique functional requirements, offering unparalleled innovation and reliability.
(11) Output flow code for ports A & B: Maximize efficiency and performance with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, tailored for optimal performance in every scenario.
(12) Secondary pressure limitation options: Choose from: N, without 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 and enhanced operational reliability.
(13) Function ON/OFF and pressure outlet options: Tailor your control system with 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 designed to deliver precision and unmatched control.
(14) Operation modes: Experience diverse operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a harmonious blend 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 aligning pilot oil ports with oil ports A and B; F, pure hydraulic control with perpendicular pilot oil ports, engineered for comprehensive, powerful control.
(15) Ancillary block port sizes: Select from an array of versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each meticulously engineered for seamless adaptability and integration into your existing systems.
(16) End plate options: Our versatile end plate selection offers tailored choices to suit your needs, including: E1, the standard model, featuring an external discharge of pilot oil and an external oil return control port T; E2, which mirrors E1 but with the addition of a port Y for enhanced functionality; E3, equipped with 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, designed similarly to E1, but with the innovation of internal discharge for pilot oil, effectively sealing port T; E5, comparable to E2, also features internal discharge; E6, akin to E3, incorporates advanced discharge control mechanisms to maintain optimum performance and safety.
(17) Control voltage and the length of anti-explosion type cable options: Choose from a range of options such as G12-12VDC, guaranteeing safety and compatibility with highly specialized applications, providing peace of mind with robust protection.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 proud subsidiary of the renowned China Baoan Group (stock code: 000009), we are a recognized national high-tech enterprise. Our forte lies in the precise research, development, manufacturing, and sales of hydraulic components of the highest quality. Honored as a national 'specialized, refined, and innovative' small giant enterprise, we are deeply committed to continuous technological advancement and superior quality. This steadfast dedication elevates us to the forefront of our industry.
Our flagship offering, the load-sensitive proportional valve, represents the zenith of modern hydraulic system control. Skillfully crafted for construction machinery and heavy-duty equipment, this indispensable component is crucial for critical applications, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We proudly forge strategic partnerships with numerous leading domestic manufacturers, significantly contributing to the localization of 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 steadfast in delivering products, services, and solutions of exceptional caliber. Our mission is to emerge as a globally trusted supplier of premier hydraulic components, establishing new standards 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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